Simplify the radical

[tex]\sqrt{x} 245[/tex]

Answers

Answer 1

The radical expression √45 when simplified has a value of 3√5

Simplifying the radical expression

From the question, we have the following parameters that can be used in our computation:

The radical expression √45

Express 45 as the product of 9 and 5

So, we have the following representation

√45 = √(9 * 5)


Expand the expression

This gives

√45 = √9 * √5

Take teh square roots of 9

This gives

√45 = 3 * √5

Lastly, we have

√45 = 3√5

Hence, the radical expression when simplified is 3√5

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Complete question

Simplify the radical √45


Related Questions

the subject is polynomial

Answers

Answer:

3p^2 -6p +3

Step-by-step explanation:

(3p-3) ( p-1)

We can FOIL

first : 3p*p = 3p^2

outer: 3p * -1 = -3p

inner: -3*p = -3p

last: -3*-1 = 3

Add them together : 3p^2 -3p -3p +3

                                  3p^2 -6p +3

Answer:

4th answer is correct

Step-by-step explanation:

( 3p - 3 ) ( p - 1 )

Multiply each term in ( p - 1 ) by 3p and -3.

3p ( p - 1 ) - 3 ( p - 1 )

Solve the brackets.

3p² - 3p - 3p + 3

Combine like terms.

3p² - 6p + 3

En una escuela se proyecta la construccion de una base con una placa conmemorativa en la cara frontal ¿cual es el area de la placa?
El rectángulo tiene 60 cm altura, 180 cm ancho y el triángulo arriba tiene 80 cm ancho y 30 altura

Answers

De acuerdo a la información, el área total de la placa es de 10800 centímetros cúbicos.

¿Cómo calcular el área total de la placa?

El área que debe cubrir la placa es un área en forma de rectángulo. Por está razón, el área que se va a cubrir puede ser calculada utilizando la siguiente formula:

Área = largo x altura

De acuerdo a lo anterior, encontremos el área reemplazando los valores correspondientes:

60 cm x 180 cm = 10800 centímetros cúbicos

Por lo tanto, el área de la zona a cubrir por la placa es de  10800 centímetros cúbicos.

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In triangle ABC, ∠A = 50°, a = 11, and b = 14.

(a) Show that there are two triangles, ABC and A1B1C1, that satisfy these conditions. Using the Law of Sines, we know the following. (Round your answers to three decimal places. ) sin(B) ≈ ∠B ≈ ° and ∠B1 ≈ 180° − ° ≈ ° For triangle ABC, we see the following. (Round your answers to two decimal places. ) ∠C ≈ ° and c ≈ For triangle A1B1C1, we see the following. (Round your answers to two decimal places. ) ∠C1 ≈ ° and c ≈ Thus, there are two triangles that satisfy these conditions.

(b) Show that the areas of the triangles in part (a) are proportional to the sines of the angles C and C1, that is, area of ΔABC/ area of ΔA1B1C1 = sin(C)/ sin(C1). By the area formula, we see the following. Area of ΔABC/ Area of ΔA1B1C1 = 1 2 ab sin(C)/_______ =

Answers

In this problem, we are given the angle A, and the side lengths a and b of triangle ABC. Using the   Geometry concept of Law of Sines, we can solve for the remaining angles and side lengths of the triangle. We find that sin(B) ≈ ∠B ≈ ° and ∠C ≈ °, and we can calculate that c ≈ 9.69. This gives us one possible triangle that satisfies the given conditions.

However, the problem states that there are two triangles that satisfy these conditions. To find the second triangle, we must first construct a triangle with angle A₁ = 180° - A and sides a₁ and b₁ such that a₁/b₁ = a/b. This is possible because the Law of Sines tells us that this ratio is constant for all three sides of a triangle. We then apply the Law of Sines to this new triangle to solve for its remaining parts. We find that sin(B₁) ≈ ∠B₁ ≈ ° and ∠C₁ ≈ °, and we can calculate that c₁ ≈ 12.02. This gives us the second possible triangle that satisfies the given conditions.

Now, to show that the areas of the two triangles are proportional to the sines of their respective angles C and C₁, we use the area formula for a triangle, which is 1/2 * base * height. The height of each triangle can be calculated using the sine of the angle opposite the base. Therefore, we have:

Area of ΔABC/ Area of ΔA₁B₁C₁ = (1/2 * a * c * sin(C)) / (1/2 * a₁ * c₁ * sin(C₁))

We can simplify this expression by substituting a1/b1 for a/b and simplifying:

Area of ΔABC/ Area of ΔA₁B₁C₁ = (a/b) * (c/c₁) * (sin(C)/sin(C₁))

Using the Law of Sines, we know that a/b = sin(A)/sin(B) and c/c₁ = sin(C)/sin(C₁), so we can substitute these values into our expression:

Area of ΔABC/ Area of ΔA₁B₁C₁ = (sin(A)/sin(B)) * (sin(C)/sin(C₁)) * (sin(C)/sin(C₁))

Using the fact that the angles in a triangle sum to 180°, we can solve for sin(A) and sin(B):

sin(A) = sin(180° - B - C) = sin(B + C)

sin(B) = sin(180° - A - C) = sin(A + C)

Substituting these values into our expression, we get:

Area of ΔABC/ Area of ΔA₁B₁C₁ = (sin(B + C)/sin(B)) * (sin(C)/sin(C₁)) * (sin(C)/sin(C₁))

Simplifying this expression, we get:

Area of ΔABC/ Area of ΔA₁B₁C₁ = sin(C)/sin(C₁)

Therefore, the areas of the two triangles are proportional to the sines of their respective angles C and C₁

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A cylinder has a radius of 5 and a volume of 150pi. What is the height of the cylinder?

Answers

Answer: 6 units

Step-by-step explanation:

The formula for the volume of a cylinder is V = πr²h, where V is the volume, r is the radius, and h is the height.

In this case, we know that the radius (r) of the cylinder is 5, and the volume (V) is 150π. Substituting these values into the formula, we get:

150π = π(5²)h

Simplifying the equation, we get:

150 = 25h

Dividing both sides by 25, we get:

h = 6

Therefore, the height of the cylinder is 6 units.

Marcus is using a plant food to fertilize his garden his garden is a rectangle Marcus uses 1 cup of plant food for every square yard of his garden. There are 4 cups in 1 quart one quart of plant food weights 28 ounces what is the total weight in ounces of the plant food Marcus uses to fertilize his garden?

Answers

Marcus is using a plant food to fertilize his garden his garden is a rectangle Marcus uses 1 cup of plant food for every square yard of his garden.

To solve it, we need to first find the area of Marcus's garden in square yards, and then multiply it by 1 cup of plant food per square yard. Finally, we need to convert the total cups to ounces using the given conversion rate.

Let the length of Marcus's garden is l yards and the width is w yards. Then the area of his garden in square yards is

A = lw.

If Marcus uses 1 cup of plant food per square yard, then he will use A cups of plant food in total.

To convert cups to ounces, we can use the given conversion rate of 4 cups per 28 ounces.

1 cup = 28/4 ounces

Therefore, the total weight of plant food Marcus uses in ounces is

Total weight = A * (28/4) ounces

By substituting A = lw, we get

Total weight = lw * (28/4) ounces

Total weight = 7lw ounces

Hence, the total weight of plant food Marcus uses to fertilize his garden is 7 times the product of the length and width of his garden, measured in yards.

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HELP GEOMETRY WILL GIVE BRAINLY PLEASE SHOW STEPS

Answers

Answer:

396 pi mm²

Step-by-step explanation:

The surface area of a cylinder:

The total surface area (A) of a cylinder is calculated by adding the areas of the two bases and the lateral surface area.

A = 2πr^2 + 2πrh

Given:

The surface area of the first cylinder (A1) = 594π mm^2

Height of the first cylinder (h1) = 24 mm

Height of the second cylinder (h2) = 16 mm

We can use the property of similarity and set up the proportion:

A1 / A2 = (h1 / h2)^2

Plugging in the given values, we get:

594π / A2 = (24 / 16)^2

Simplifying, we get:

594π / A2 = 3/2)^2

594π / A2 = 9/4

Cross-multiplying, we get:

A2 = (594π * 4) / 9

A2 = 264π mm^2

So, the correct surface area of the second cylinder is 264π mm^2.

Find the surface area of the rectangular prism.

Answers

The surface area of the rectangular prism which is given above would be = 130ft²

How to calculate the surface area of the rectangular prism?

To calculate the surface area of the rectangular prism the formula that should be used;

=2( wl+hl+wh)

where;

w = 5ft

l = 10ft

h = 1 ft

surface area = 2(5×10+1×10+5×1)

= 2(50+10+5)

= 2×65 = 130ft²

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Question 90
The quality of milk reaching the ultimate consumer is largely determined
a. at the plant, where processing and handling occurs
b. at the farm, where the milk is processed
c. by the USDA through stringent testing and laboratory analysis
d. by the FDA in accordance with Federal regulations

Answers

The quality of milk reaching the ultimate consumer is largely determined at the plant, where processing and handling occurs. a

Once milk is collected from the farm, it is transported to processing plants where it undergoes a series of treatments to ensure that it is safe for consumption.

This includes pasteurization, homogenization, and standardization.
The pasteurization process involves heating the milk to a specific temperature for a certain amount of time to kill harmful bacteria.

Homogenization helps to evenly distribute the milk's fat content, while standardization ensures that the milk meets certain regulatory requirements for fat content and nutritional value.
The plant, milk undergoes rigorous quality control testing to ensure that it meets certain standards.

This includes testing for bacterial count, somatic cell count, and antibiotic residue.

Any milk that fails to meet these standards is discarded.
The USDA and FDA also play a role in ensuring that milk reaching consumers is of high quality.

The USDA sets standards for milk production, while the FDA regulates the use of antibiotics and other drugs in milk production.

The primary responsibility for ensuring milk quality rests with the processing plant.
The USDA and FDA do play a role in ensuring the quality of milk reaching consumers, the majority of the responsibility lies with the processing plant.

It is at the plant where the milk undergoes treatments to ensure that it is safe for consumption and undergoes rigorous quality control testing to meet certain standards.

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each unit square of a $3\times 3$ grid of unit squares is to be colored either blue or red. for each square, either color is equally likely to be used. find the probability of obtaining a grid that does not have a $2\times 2$ red square.

Answers

The probability of obtaining a grid that does not have a 2 × 2 red square is 127/128 and the value of (p + q + 1) / 310  is 0.82.

Total number of outcomes = [tex]2^9[/tex] = 512

We will subtract the outcomes of obtaining a grid that does not have a

2 × 2 red squares from the total outcomes.

Favorable outcomes = Total outcomes - outcomes having [tex]2[/tex] × [tex]2[/tex] red squares

                                   = [tex]2 ^3 - 4[/tex]

                                    = 508

So favorable outcomes are 508.

Probability calculates the chances of experiments occurring. It is obtained by the ratio between favorable outcomes and total outcomes. It is basically how likely something is to happen.

Probability = Favorable outcomes / Total no. of outcomes

                  = 508 / 512

                  = p/q

                 = 127/128

So, the probability of obtaining a grid that does not have a 2 × 2 red square is 127/128.

        Now, the value of (p + q + 1)/310

     =  (127 + 128 + 1)/310

   = 256/310

= 0.82

Therefore, the value of (p + q + 1) / 310 is 0.82.

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The complete question is -

"Each unit square of a 3 * 3 square grid is to be colored either blue or red for each square, either color is equally likely. The probability of obtaining a grid that does not have a 2 * 2 red square is CHCF(p,q) is 1). Find this probability and then find the value of  (p + q + 1) / 310 ?"

3PLEASE HELP ME THIS IS URGENT I WILL GIVE BRAINLIEST ​

Answers

Answer: x= 7191.509 ft

Step-by-step explanation:

Sin9/1 = 1125/x

X/1 = 1125/sin9

Sev set a goal to run 13 miles in a week. sev ran 1.4 per day for 3 days and 2.4 miles for 2 days. how many more miles does sev need to run to meet her goal of 18 miles.

Answers

Sev needs to run 9 miles as per the below calculations to complete his target.

The target that Sev needs to achieve is 18 miles in a week. A week has 7 days. Sev is already done running for 5 days.
Day 1: 1.4 miles

Day 2: 1.4 miles

Day 3: 1.4 miles

Day 4: 2.4 miles

Day 5: 2.4 miles

Thus, Sev has run for 1.4*3 = 4.2 miles in the first 3 days.

Sev has run for 2.4*2 = 4.8 miles in the last 2 days.

So far, she has run 4.2 + 4.8 = 9 miles. Since her goal is to run 18 miles, she needs to run an additional: 18 - 9 = 9 miles to meet her goal.

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in a city of 100,000 voters, 40% are democrat, 30% republican, 20% green, and 10% undecided. a sample of 1000 people is selected. (a) what is the expectation and variance for the number of greens in the sample?

Answers

The variance of the number of green voters in the sample is 160.

What is variance?

In statistics, variance is a measure of the spread or variability of a set of data. It measures how much the values in a dataset differ from the mean or average value. Specifically, variance is the average of the squared differences from the mean.

We can use the binomial distribution to model the number of green voters in the sample, where the probability of success (voter being green) is p = 0.2 and the number of trials (voters in the sample) is n = 1000.

The expectation or mean of the number of green voters in the sample is given by the formula:

E(X) = np

where X is the random variable representing the number of green voters in the sample. Substituting the values, we get:

E(X) = 1000 * 0.2 = 200

So we expect to see about 200 green voters in the sample.

The variance of the number of green voters in the sample is given by the formula:

Var(X) = np(1 - p)

Substituting the values, we get:

Var(X) = 1000 * 0.2 * (1 - 0.2) = 160

So the variance of the number of green voters in the sample is 160.

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Ten Pin Bowling charges a fee to rent
shoes and a cost per game. The shoe
rental costs $5.25, and each game costs
$2.50. Write the equation of this
scenario in slope-intercept
form.

Answers

Answer:

y = 2.50x + 5.25

FORMULA FOR SLOPE INTERCEPT

y = mx + b

IM SO SORRY IF THIS DOES NOT MAKE SENSE!

The steeple of a tower is covered in copper foil. The tower is a prism with a regular hexagonal base, a height of 100 m, and a lateral area of 2400 m2. The steeple is a pyramid with the same base as the tower and composed of equilateral triangles. What is the exact amount of copper foil covering the steeple?

Answers

The exact amount of copper foil covering the steeple is 720√3 square meters.

The lateral area of the prism is given as 2400 m². We know that the lateral area of a prism is given by the formula:

Lateral area = perimeter of base x height of the prism

Let's denote the side length of the hexagonal base by s. The perimeter of the base is then 6s, and the height of the prism is 100 m. Using the given lateral area, we can solve for s:

2400 = 6s x 100

s = 4 x √15

The base area of the steeple is the same as the base area of the prism, which is given by:

Base area = (3 x √3 x s²) / 2

The steeple is composed of equilateral triangles, so each face of the steeple is an equilateral triangle with side lengths. The area of an equilateral triangle is given by the formula:

Area = (√3 * s²) / 4

The total surface area of the steeple is the sum of the areas of its faces. There are six faces, so the total surface area is:

Total surface area = 6 x Area

Total surface area = 6 x (√3 x s²) / 4

Total surface area = (3 x √3 x s²) / 2

Substituting the value of s we found earlier, we get:

Total surface area = (3 x √3 x (4 x √15)²) / 2

Total surface area = 720 x √3

Therefore, the exact amount of copper foil covering the steeple is 720√3 square meters.

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in how many ways can the letters d, i, g, i, t be arranged so that the two i's are not next to each other?

Answers

There are 36 ways to arrange the letters d, i, g, i, t so that the two i's are not next to each other.

To find the number of ways the letters d, i, g, i, t can be arranged so that the two i's are not next to each other, follow these steps:
Consider the four non-i letters: d, g, t.

There are 3! (3 factorial) ways to arrange these letters, which is equal to 3 x 2 x 1 = 6 ways.

Since we want to prevent the two i's from being next to each other, we can think of placing them in the "gaps" between the non-i letters.

There are 4 possible gaps for the i's to be placed: (i) d (i) g (i) t (i).
Since there are two i's, we need to choose 2 of the 4 gaps to place them in.

This can be done in 4C2 ways (combination), which is equal to 4! / (2! x (4-2)!) = 6 ways.
Multiply the number of ways to arrange the non-i letters (step 1) with the number of ways to place the i's (step 3): 6 x 6 = 36.

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There are 72 ways to arrange the letters d, i, g, i, t so that the two i's are not next to each other.

To arrange the letters d, g, i, t, and i so that the two i's are not next to each other, follow these steps:

Step 1: Treat the two i's as one entity for now (denoted as [i]). So, we have 4 entities: d, g, t, and [i].
Step 2: Arrange these 4 entities (d, g, t, and [i]) in any order. There are 4! (4 factorial) ways to do this, which is 4 x 3 x 2 x 1 = 24 ways.
Step 3: Now, we need to separate the two i's. There are 3 spaces between the other letters (d, g, and t) where we can place the second i.
For example: if the arrangement is d-[i]-g-t, the second i can be placed in any of the three spaces indicated by the dashes.
Step 4: For each of the 24 arrangements from Step 2, there are 3 possible ways to place the second i. So, the total number of arrangements is 24 x 3 = 72 ways.

Thus, there are 72 ways to arrange the letters d, i, g, i, t so that the two i's are not next to each other.

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- - - 3. Find the area under the standard normal curve between: (a) z = -1.20 and 2 = 1.20 (b) z = 1.23 and 2 = 1.87 = (c) z = -2.35 and 2 = -0.5 z (d) z> 2.16 (e) -0.8 < < 1.53 Note: You should bring

Answers

To find the area under the standard normal curve, we need to use a standard normal distribution table or a calculator with a normal probability distribution function.

(a) To find the area between z = -1.20 and z = 1.20, we can use the symmetry property of the normal distribution curve and find the area to the right of z = -1.20 and double it:

P(-1.20 < z < 1.20) = 2 * P(z < 1.20) - 1 = 2 * 0.8849 - 1 = 0.7698

Therefore, the area under the standard normal curve between z = -1.20 and z = 1.20 is approximately 0.7698.

(b) area between z = 1.23 and z = 1.87

P(1.23 < z < 1.87) = P(z < 1.87) - P(z < 1.23) = 0.9693 - 0.8907 = 0.0786

Therefore, the area under the standard normal curve between z = 1.23 and z = 1.87 is approximately 0.0786.

(c) area between z = -2.35 and z = -0.5

P(-2.35 < z < -0.5) = P(z < -0.5) - P(z < -2.35) = 0.3085 - 0.0094 = 0.2991

Therefore, the area under the standard normal curve between z = -2.35 and z = -0.5 is approximately 0.2991.

(d) To find the area to the right of z = 2.16

P(z > 2.16) = 1 - P(z < 2.16) = 1 - 0.9842 = 0.0158

Therefore, the area under the standard normal curve to the right of z = 2.16 is approximately 0.0158.

(e) To find the area between z = -0.8 and z = 1.53

P(-0.8 < z < 1.53) = P(z < 1.53) - P(z < -0.8) = 0.9370 - 0.2119 = 0.7251

Therefore, the area under the standard normal curve between z = -0.8 and z = 1.53 is approximately 0.7251.

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how many ml of fluid should the client drink per day? (enter numeric value only. if rounding is necessary, round to the whole number.)

Answers

The amount of fluid that a person should drink per day can vary depending on factors such as their age, sex, weight, activity level, and climate.

The Institute of Medicine recommends that men should consume about 3.7 liters (125 ounces) of fluid per day, while women should consume about 2.7 liters (91 ounces) of fluid per day. This includes fluid from all sources, including water, other beverages, and food.

It is important to note that individual fluid needs may vary and may be influenced by factors such as health conditions, medications, and pregnancy or breastfeeding. It is always a good idea to consult with a healthcare professional to determine the appropriate amount of fluid intake for your specific needs.

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A client's daily fluid intake should be around 3,700 ml for men and 2,700 ml for women, keeping in mind that individual needs may vary.

Remember to round to the nearest whole number if necessary.

As a concise answer bot, I cannot provide a 200-word response.

How many ml of fluid a client should drink per day, we need to consider general guidelines for daily fluid intake.
The general recommendation for daily fluid intake is approximately:
- For men: 3,700 ml (about 13 cups)
- For women: 2,700 ml (about 9 cups)
These amounts include fluids from all sources, such as water, beverages, and food.

Please note that individual needs may vary depending on factors such as age, activity level, and climate.

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838
Discovering Solids Quiz
Geometry B (SP23) 3 / Area
1. How many faces, vertices, and edges are in the figure below?
faces= 6, vertices = 5, edges = 9
Ofaces= 5, vertices = 6, edges = 10
Ofaces = 7, vertices = 7, edges = 12
faces = 8, vertices = 8, edges = 8.

Answers

A hexagonal pyramid has seven vertices.

A hexagonal pyramid contains 12 edges.

A hexagonal pyramid has seven faces.

What is a hexagonal pyramid?

A hexagonal pyramid is a type of pyramid that exists. A hexagonal pyramid has a hexagonal foundation and isosceles triangles as the faces that join the pyramid together at the top.

A hexagonal pyramid is a 3D pyramid with a hexagonal foundation and sides or faces in the shape of isosceles triangles that form the hexagonal pyramid at the apex or top of the pyramid. A hexagonal pyramid has six sides and six isosceles triangular lateral faces. Heptahedron is another name for a hexagonal pyramid. A hexagonal pyramid has seven faces, twelve edges, and seven vertices. For your convenience, an image of a hexagonal pyramid is provided below.

A hexagonal pyramid has seven vertices in toa

\x linking the triangle edges to the primary vertex and six base edges.

A hexagonal pyramid has seven faces, one for each side of the triangle, and one base.

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John is a healthy 20-year-old college student. He weighs 160 lbs and jogs at a moderate pace 3 days per week for 20 minutes. Based on this information, approximately how many grams of protein does he need dail

Answers

The protein requirement may be slightly higher, around 1.0 to 1.2 g/kg, this would put his daily protein needs between 72.6 and 87.1 grams.

As a healthy 20-year-old college student who jogs at a moderate pace 3 days per week for 20 minutes, John has an active lifestyle that requires a certain amount of protein to maintain his body.

Protein is an essential nutrient that is needed for the growth and repair of muscles, bones, and other tissues in the body.
According to the Dietary Reference Intake (DRI), the recommended daily allowance of protein for an adult male is 56 grams per day.

However, this amount can vary depending on a person's body weight, activity level, and other factors.
In John's case, he weighs 160 lbs and exercises moderately 3 days per week. Based on this information, he would need approximately 72-80 grams of protein per day.

This is because athletes and people who exercise regularly need more protein to repair and build muscle tissue.
To meet his daily protein requirements, John can include protein-rich foods in his diet such as lean meats, fish, eggs, dairy products, nuts, and beans.

It is also important for him to spread out his protein intake throughout the day rather than consuming all of it in one meal.
John needs approximately 72-80 grams of protein per day to support his active lifestyle and maintain his overall health.

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1. Given: ABCD is a parallelogram.
Show: Both pairs of opposite sides are equal.
00
200
IPAIRIN METE DEAL
C
CERC

Answers

Answer:

Side AC Is Parrellel to BD

Side BA is Parallel to DC

Step-by-step explanation:

Parallel is the opposing side.

In equation F=-kx, k is commonly called the

Answers

Answer:

k is usually called the spring constant

Step-by-step explanation:

sorry if its not right, that is just what i have learned.

have a good day !!!

The isotope samarium-151 decays into europium-151, with a half-life of around 96. 6 years. A rock contains 5 grams of samarium-151 when it reaches its closure temperature, and it contains 0. 625 grams when it is discovered.




The time since the rock reached its closure temperature is _____



years. When the rock was discovered, it had _____



grams of europium-151

Answers

The time since the rock reached its closure temperature is approximately 579.8 years. When the rock was discovered, it had 4.375 grams of europium-151.

To find the time since the rock reached its closure temperature, we can use the following formula

t = t(1/2) * log(N0/Nt)

where t is the time elapsed, t(1/2) is the half-life, N0 is the initial amount of the isotope, and Nt is the amount of the isotope at the time it was discovered.

Substituting the given values, we get

t = 96.6 * log(5/0.625) ≈ 579.8 years

Therefore, the time since the rock reached its closure temperature is approximately 579.8 years.

To find the amount of europium-151 in the rock when it was discovered, we can use the fact that the total amount of samarium-151 and europium-151 in the rock is constant.

Since the rock originally contained 5 grams of samarium-151, it must have contained 5 - 0.625 = 4.375 grams of europium-151 when it was discovered.

Therefore, the rock had 4.375 grams of europium-151 when it was discovered.

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What is the name corresponding to the metric symbol mL?

Answers

Millileter is the name of mL

The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 12 seconds. (b) What is the probability that the arrival time between vehicles is 12 seconds or less? (Round your answer to four decimal places.) (c) What is the probability that the arrival time between vehicles is 4 seconds or less? (Round your answer to four decimal places.) (d) What is the probability of 30 or more seconds between vehicle arrivals? (Round your answer to four decimal places.)

Answers

The probability that the arrival time between vehicles is 12 seconds or less is approximately 0.6321.

Probability is a measure of the likelihood or chance of an event occurring. It is a quantitative measure that ranges from 0 to 1.

The exponential probability distribution with a mean of 12 seconds is given by

f(x) = (1/12) × e^(-x/12)

where x represents the time between arrivals of vehicles.

To find the probability that the arrival time between vehicles is 12 seconds or less, we need to integrate the probability density function from 0 to 12

P(X ≤ 12) = [tex]\int\limits^{12}_0[/tex] f(x)dx

=  [tex]\int\limits^{12}_0[/tex]  (1/12) × e^(-x/12) dx

= [(-e^(-x/12))]_[0,12]

= (-e^(-12/12)) - (-e^(0/12))

= 1 - e^(-1)

≈ 0.6321

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The given question is incomplete, the complete question is:

The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 12 seconds. What is the probability that the arrival time between vehicles is 12 seconds or less?

A plane rises from take-off and flies at an angle of 3 degrees with the horizontal runway. When it has gained 850 feet, find the​ distance, to the nearest​ foot, the plane has flown.

How many feet the the plane approximately fly?

Answers

By Tangent function, to the nearest foot, the plane has flown approximately 28,333 feet.

Describe Tangent?

A closed, two-dimensional shape, a circle is also a curve. The radius of the circle or the line connecting the center O to the point of tangency is always vertical or perpendicular to the tangent line AB at P, i.e., OP is perpendicular to AB as illustrated in the accompanying figure.

We are aware of our side and degree. We must determine how far the aircraft has traveled.

To determine how far the plane has traveled, we can utilize the sine function. Keep in mind that the sine function's definition is

tan(θ) = opposite/adjacent = height/distance.

tan(3) = 850/d

Solving for d, we get:

d = 850/tan(3)

d ≈ 28,333 feet

Tangent figure given below:

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if u have 4 apples and take away 0

Answers

Answer:

4

Step-by-step explanation:

4-0=4

Answer:

4 left

Step-by-step explanation:

then you have 4 apples

If you buy fast food 4 times per week and it costs you about $850 each time, then what should your monthly budget be for fast food?



A. $136


B. $35


C. $100


D. $148

Answers

The Monthly Budget for fast food is Option A. $136.

To determine how much money you should budget for fast food, we need to calculate the total amount of money you spend on fast food each week. To do this, we simply multiply the cost of one fast food meal by the number of meals you buy in a week, which is four in this case.

$850 x 4 = $3400 per week

Next, we need to figure out how much money you spend on fast food per month. To do this, we need to multiply the weekly amount by the number of weeks in a month. Most months have around four weeks, so we will use that as an estimate.

$3400 x 4 = $13600 per month

Therefore, the answer is Option A. $136. You should budget around $136 per month for fast food if you buy it four times a week and it costs you about $850 each time.

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MOUNTAIN PEAKS Marcus and Skye want to estimate how far a mountain peak is from their houses. After taking some measurements,
they construct a diagram.


The actual distance between Marcus and Skye's houses is 1 1/2 miles.
a. What is the actual distance from Marcus's house to the peak of the mountain? Round your answer to the nearest tenth of a mile.
Peak
b. What is the actual distance from Skye's house to the peak of the mountain? Round your answer to the nearest tenth of a mile.

Answers

The actual distance from Marcus's house to the peak is 0.328 miles and the Skye's distance is 0.330 miles

The actual distance from Marcus's house to the peak

Given that

The actual distance between Marcus and Skye's houses is 1 1/2 miles.

So, we have

Ratio = 0.246 : 1 1/2

Scale : Actual = 0.246 : 1 1/2

For Marcus, we have

2 : Actual = 0.246 : 1 1/2

So, we have

Actual = 0.246/(1 1/2) * 2

Evaluate

Actual = 0.328

The actual distance from Skye's house to the peak

For Skye, we have

2.015 : Actual = 0.246 : 1 1/2

So, we have

Actual = 0.246/(1 1/2) * 2.015

Evaluate

Actual = 0.330

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You may need to use the appropriate appendix table or technology to answer this question. The following results are for independent random samples taken from two populations. Sample 1 Sample 2 n1 = 20 n2 = 30 x1 = 22.8 x2 = 20.1 s1 = 2.2 s2 = 4.6 (a) What is the point estimate of the difference between the two population means? (Use x1 − x2. ) 2.7 (b) What is the degrees of freedom for the t distribution? (Round your answer down to the nearest integer.) (c) At 95% confidence, what is the margin of error? (Round your answer to one decimal place.) (d) What is the 95% confidence interval for the difference between the two population means? (Use x1 − x2. Round your answers to one decimal place.)

Answers

a). The difference between the two population means is estimated at a location to be 2.7.

b). 49 different possible outcomes make up the t distribution. The margin of error at 95% confidence is 1.7.

c). The range of the difference between the two population means' 95% confidence interval is (0.0, 5.4).

d). The (0.0, 5.4) represents the 95% confidence interval for the difference among the two population means.

What is standard deviations?

The variability or spread in a set of data is commonly measured by the standard deviation. The deviation between the values in the data set and the mean, or average, value, is measured. A low standard deviation, for instance, denotes a tendency for data values to be close to the mean, whereas a high standard deviation denotes a larger range of data values.

Using the equation [tex]x_1-x_2[/tex], we can determine the point estimate of the difference between the two population means. In this instance, we calculate the point estimate as 2.7 by taking the mean of Sample

[tex]1(x_1=22.8)[/tex] and deducting it from the mean of Sample [tex]2(x_2=20.1)[/tex].

With the use of the equation [tex]df=n_1+n_2-2[/tex], it is possible to determine the degrees of freedom for the t distribution. In this instance, the degrees of freedom are 49 because [tex]n_1[/tex] = 20 and [tex]n_2[/tex] = 30.

We must apply the formula to determine the margin of error at 95% confidence [tex]ME=t*\sqrt[s]{n}[/tex].

The sample standard deviation (s) is equal to the average of [tex]s_1[/tex] and [tex]s_2[/tex] (3.4), the t value with 95% confidence is 1.67, and n is equal to the

average of [tex]n_1[/tex] and [tex]n_2[/tex] (25). When these values are entered into the formula, we get [tex]ME=1.67*\sqrt[3.4]{25}=1.7[/tex].

Finally, we apply the procedure to determine the 95% confidence interval for the difference between the two population means [tex]CI=x_1-x_2+/-ME[/tex].

The confidence interval's bottom limit in this instance is [tex]x_1-x_2-ME2.7-1.7=0.0[/tex] and the upper limit is [tex]x_1+x_2+ME=2.7+1.7=5.4[/tex].

As a result, the (0.0, 5.4) represents the 95% confidence interval for the difference among the two population means.

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Sam finds a car for $9800. If he puts 20% down, how much will he have to borrow?

Answers

Sam will have to borrow $7840.

If Sam puts 20% down on a car that costs $9800, the down payment would be 20% of $9800 which is $1960.

The amount he will have to borrow is the difference between the cost of the car and the down payment. So, $9800 - $1960 = $7840.

This calculation can be done by first finding the percentage of the total cost that is required as a down payment and then subtracting that amount from the total cost to find the remaining amount that needs to be borrowed.

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