a brokerage firm keeps track of the total money spent on tesla stocks by their clients each day of the week, t(t). the function t(t) can be expressed as t(t)

On solving the question we got to know that - Answer: For every ticket sold, 52$ is made, 1 : 52

A diagram or graphical representation that organizes the depiction of data or values is known as a graph. The relationships between two or more items are frequently represented by the points on a graph.

A graph is a type of non-linear data structure that consists of nodes and links. While the vertices are often sometimes referred to as nodes, in a graph the edges are the lines or arcs that connect any two nodes. The vertices (V) and edges (E) that make up a graph are what constitute it most rigorously ( E ). The prefix "G" appears in the graph (E, V).

y = mx - rise/run  = 208/4,  m = 52

The proportion is that for every ticket sold, 52 $ is made, 1 : 52

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Answer:

<MON = 102°

Step-by-step explanation:

Alternative Interior Angles so both of those angle equal to each other.

(12x + 30) = (9x + 48)

Get x to one side by subtracting.

12x - 9x + 30 = 48

3x + 30 = 48

Subtract 30 to both side to get x by itself.

3x = 18

Divide 3 to both side to solve for x.

x = 6

Plug x = 6 into <MON = (9x + 48)

9*6 + 48 = 54 + 48 = 102°

As per the 95% confidence interval for the population mean is (31.042, 42.958).

What is meant by confidence interval?

In math, A normal distribution with a mean, μ  and standard deviation, σ  is used to estimate the confidence interval for the unknown population mean.

Here we have given that the random sample of n measurements was selected from a population with unknown mean and standard deviation o = 20 for each of the situations.

And we need to find the 95% confidence interval for ju for each of these situations.

Here we are given the following data:

   • Sample size, n=70

   • Sample mean, ¯x=37

   • Population standard deviation, σ=20

Then the 95% confidence interval for the population mean is defined as:

=> x±z0.01/2×σ√n

Here by applying Excel function for the confidence coefficient: 

=> NORM.INV(0.01/2,0,1)

Then we get,

=> 37±2.58×20√75(31.042, 42.958)

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a. The number of students who were in math only is 7 students.

b. The number of students who were not majoring in computer science is 15.

c. The number of students who were not math or computer science is 8

From the information given, in a class of 25 students, there were 13 math majors, 10 were computer science majors, and 6 were dual majors in both.

It should be noted that the number of math majors only will be:

= 13 - 6

= 7

The number of students not majoring in computer science will be:

= 25 - 10

= 15

Those not math or computer science majors will be:

= 25 - 6 - 7 - (10 - 6)

= 8

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The the probability of being dealt no hearts is 0.75 and probability of being dealt at least one heart is 0.25 .

Total number of cards = 52

A : the probability of being dealt no hearts

B: the probability of being dealt with hearts

P( A ) = 1 - P( B)

= 1 - 13/52

= 1 -0.25

=0.75

C : probability of being dealt at least one heart

P(C) = 13C1 / 52C1

= 13 / 52

=0.25

Probability is a way to tell or calculate the possibility of an event to occur. Using it, we can make predictions about the likelihood of an event happening, or how likely it is , it helps to make predictions more clear .

The probability can be between 0 and 1 here , P being 0 means a failure and P being 1 means a success.

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The distance between the satellite and tracking station at 12:03 p.m is 1271.55 miles.

Given that :

TS = 1000 miles

Orbital time = 2 hours

Let T be tracking station.

     S be satellite position.

     R be a satellite position at 12:03 p.m

Time = 12:03 - 12:00 = 3 min

SR = Satellite speed × time

Orbital distance = 2πR

                           = 2π(4000 + 1000)

                           = 10000 π miles

Orbital speed =  [tex]\frac{satellite distance}{satellite time}[/tex]

                       = [tex]\frac{10,000\pi }{2}[/tex]

                       = 5000 π miles/hour

                       = [tex]\frac{5000 \pi }{60}[/tex] miles/min

Distance SR  = Orbital speed × time

                      = [tex]\frac{5000 \pi }{60}[/tex] × 3

                      = 250 π miles

Using pythagoras theorem in triangle TSR

      [tex]TR^{2}[/tex] = [tex]TS^{2} + SR^{2}[/tex]

             = [tex]\sqrt{TS^{2} + SR^{2} }[/tex]

             = [tex]\sqrt{1000^{2} + 250 \pi ^{2} }[/tex]

        TR = 1271.55 miles

Therefore, the distance between the satellite and tracking station at 12:03 p.m is 1271.55 miles.

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Answer:

  62 square units

Step-by-step explanation:

You want the surface area of a rectangular prism 3 units high, 2 units wide, and 5 units long.

The surface area of a rectangular prism is given by the formula ...

  SA = 2(LW +H(L +W))

Using the given dimensions, L=5, W=2, H=3, the area is ...

  SA = 2(5·2 +3(5 +2)) = 2(10 +3(7)) = 2(31)

  SA = 62 . . . square units

The surface area of the prism is 62 square units.

Answer:

True

Step-by-step explanation:

This is true by definition.

From the given numbers root (3/4) and root (9/4) irrational numbers.

What are irrational numbers?

Irrational numbers are the set of real numbers that cannot be expressed in the form of a fraction, p/q where p and q are integers. The denominator q is not equal to zero (q ≠ 0). Also, the decimal expansion of an irrational number is neither terminating nor repeating.

Here,

root(3/16) is a rational number

root(9/16) is a rational number.

Therefore, from the given numbers root(3/4) and root(9/4)  are the irrational numbers.

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The 3rd-order Taylor polynomial of the function f(x)= √x centered at 4 is expressed as f(x) ≈ P3(x) = a₀ + a₁(x - 4) + a₂(x - 4)² + a₃(x - 4)³.

Here, a₀, a₁, a₂, and a₃ are the coefficients that need to be calculated. To find these coefficients, we must use the Taylor series formula and the derivatives of f(x) evaluated at 4.

The Taylor series formula is Pn(x) = f(a) + f'(a)(x-a) + (f''(a)/2!) (x-a)² + (f'''(a)/3!) (x-a)³ + ... +[tex](f^(n)(a)/n!) (x-a)^n[/tex].

The derivatives of f(x) evaluated at 4 are f'(4) = 1/2, f''(4) = -1/8, f'''(4) = -1/16.

Using these values, the coefficients of the 3rd-order Taylor polynomial can be calculated as a₀ = 2, a₁ = 1/2, a₂ = -1/8, and a₃ = -1/16.

Therefore, the 3rd-order Taylor polynomial of the function f(x)= √x centered at 4 is P3(x) = 2 + (1/2)(x - 4) - (1/8)(x - 4)² - (1/16)(x - 4)³.

Using this polynomial to approximate √14.03, we have P3(14.03) = 2 + (1/2)(14.03 - 4) - (1/8)(14.03 - 4)² - (1/16)(14.03 - 4)³ ≈ 3.76401097.

Therefore, the approximation of √14.03 using the 3rd-order Taylor polynomial is 3.76401097 to 8 decimal places.

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Using the Pythagorean triplet, the value of AB is 2.

In the given question we have to find the length of AB.

From the given diagram we can see that;

ED = 2, DC = 8 and BC = 6.

To solve this question we use the Pythagorean Triplet.

Pythagorean triples consist of the three positive numbers a, b, and c, where a^2+b^2 = c^2. The symbols for these triples are (a,b,c). Here, a represents the right-angled triangle's hypotenuse, b its base, and c its perpendicular.

Since we have to find the value of AB.

So we can write it as

EC^2 = AE^2+AC^2

(ED+DC)^2 = AE^2+(AB+BC)^2

Now putting the value

(2+8)^2 = AE^2+(6+AB)^2

10^2 = AE^2+(6+AB)^2

As we know that triplet (6,8,10).

The value of EC is 10, AE = 6, the value of AC can't be 6 because one part of value of AC is already given 6. So the value of AC is 8. AS BC=6, so AB=2.

Hence, the value of AB is 2.

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The computation of the future value is $92,691.08

As we know that

Future value = Present value × (1 + interest rate)^number of years

where, the Present value is $24275

The Interest rate is 4.05%

And, the number of the year is 10 years

Now placing these values to the above formula;

So, the future value is;

Future value = Present value × (1 + interest rate)^number of years

= $24275× (1 + 0.0405)^10

= $24275× 1.448298166

= $92,691.08

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the base of a solid is a circular disk with radius 3. Therefore, the volume of the solid is 27π.

The volume of a solid is determined using the formula V = πr²h, where r is the radius of the base and h is the height of the solid. In this problem, the base is a circular disk with radius 3, and the cross-sections are isosceles right triangles with hypotenuse lying along the base. Since the cross-sections are isosceles right triangles, the height of each triangle is equal to the radius of the base, which is 3. Therefore, the height of the solid is also 3. Substituting these values into the formula gives V = π(3)²(3), which simplifies to V = 27π.

Therefore, the volume of the solid is:

V = πr²h

V = π(3)²(3)

V = 27π

Therefore, the volume of the solid is 27π.

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The students ratio expressed in fraction as 6/4 = 4/x is incorrect for the similar triangles, and the correct ratio is x : 3 = 10 : 6 expressed in fraction as x/3 = 10/6. The value for x = 5.

Since the triangles are similar, it implies that the length 3 of the smaller triangle is similar to the length x of the larger triangle,

Also the length 6 of the smaller triangle is similar to the length of the larger triangle (4 + 6 = 10).

So it will be wrong to write 6/4 = 4/x, rather the correct fraction will be;

x : 3 = 10 : 6

which when expressed as fraction, we get;

x/3 = 10/6

x = (10 × 3)/6

x = 30/6

x = 5

Therefore, the students expression 6/4 = 4/x is incorrect representation for the lengths of the similar triangles. And the correct expression is x/3 = 10/6, which gives us the value of x equal to 5.

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The growth constant is 1.0986 and the trout population will increase to 14600 after 2.1 years. The result is obtained by using the logistic equation.

The increase of population can be found by using the logistic equation. It is

[tex]P(t) = \frac{K}{1 + Ae^{-kt} }[/tex]

Where

Sunset Lake is stocked with the rainbow trout. We have

Find the growth constant k and time t when P(t) = 14600!

A = (K - P₀)/P₀

A = (28000 - 2800)/2800

A = 25200/2800

A = 9

After 1 year, we have 7000 rainbow trout. The growth constant is

[tex]7000 = \frac{28000}{1 + 9e^{-k(1)} }[/tex]

[tex]1 + 9e^{-k} = 4[/tex]

[tex]9e^{-k} = 3[/tex]

[tex]e^{-k} = \frac{1}{3}[/tex]

k = - ln (1/3)

k = 1.0986

Use k value to find the time when the population will increase to 14600!

[tex]14600 = \frac{28000}{1 + 9e^{-1.0986t} }[/tex]

[tex]1.9178 = 1 + 9e^{-1.0986t}[/tex]

[tex]0.9178 = 9e^{-1.0986t}[/tex]

[tex]\frac{0.9178 }{9} = e^{-1.0986t}[/tex]

[tex]t = \frac{ln \: 0.10198}{-1.0986}[/tex]

t = 2.078

t ≈ 2.1 years

It is in another 1.1 years after t = 1.

Hence, the growth constant k is 1.0986 the population will increase to 14600 when t is 2.1 years.

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The set of events that the sum of the numbers showing face up is at least 9 is E = {36, 45, 46, 54, 55, 56, 63, 64, 65, 66} and the probability is 5/18.

In the roster form, the elements (or members) of a set are listed in a row between curly brackets. For the event that the sum of the numbers showing face up is at least 9 and is written as a set, look at the sum of values of blue and gray dies that has values greater than equal to 9.

Here, the total outcome S = 36

By doing that, we get,

E = {36, 45, 46, 54, 55, 56, 63, 64, 65, 66} = 10

Then, the probability of getting a sum of at least 9 is calculated as,

[tex]\begin{aligned}P(X\geq 9)&=\frac{\text{Number of favorable outcomes}}{\text{total number of outcomes}}\\&=\frac{n}{S}\\&=\frac{10}{36}\\&=\frac{5}{18}\;\text{or}\;0.28\end{aligned}[/tex]

The answer is 5/18.

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The cost for two stations that are 10 miles apart will be $8.21.

What is cost?

Cost denotes the amount of money that a company spends on the creation or production of goods or services. It does not include the markup for profit. From a seller's point of view, cost is the amount of money that is spent to produce a good or product.

Given equation is;

y = 0.354x+4.669

Where x represents the number of miles traveled.

For measuring the cost for two stations that are 10 miles apart;

x=10

Putting in given equation

y=0.354(10)+4.669

y=3.54+4.669

y=8.209

Rounding off to nearest hundredth;

y=$8.21

The cost for two stations that are 10 miles apart will be $8.21

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The inequality is: h less than equal to 2 That is the Numbers written in order from least to greatest going across

To find:

The values that make the given inequality true.

We have,

h less than equal to 2

It means the value of h must be less than or equal to 2.

In the given options, the list of numbers which are less than or equal to 2 is

-6, -3, -1, 1, 1.9, 1.99, 1.999, 2

The list of numbers which are greater than 2 is

2.001, 2.01, 2.1, 3, 5, 7, 10

Therefore, the first 8 options are correct and the required values are -6, -3, -1, 1, 1.9, 1.99, 1.999, 2.

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the measure of the hypotenuse angle must be 180 - (45 + 45) = 90 degrees .The angle measure of the hypotenuse in this case would be 45 degrees.

In right triangles, the angles of the triangle always add up to 180 degrees. Since the base and leg side of the triangle have the same measure, the two angles opposite of them must both be 45 degrees. Thus, the measure of the hypotenuse angle must be 180 - (45 + 45) = 90 degrees.In right triangles, the sum of the angles is always 180 degrees. The base and leg of a right triangle have the same measure, thus the angles opposite of them must both be equal. This means that the two angles add up to 90 degrees. Subtracting 90 from 180 degrees gives us the angle measure of the hypotenuse, which is 90 degrees.

180° - (45° + 45°) = 90°

Therefore, the angle measure of the hypotenuse in this case is 90°

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The money he will have in this account if he keeps it for 5 years is $358.

Compound interest is the term used to describe interest on savings that is calculated using both the initial principal and interest that has accrued over time. You can earn interest on interest, which is known as compound interest.

WE have given $100 and it earns 5% interest annually, you will have $105 at the end of the first year. You will have $110.25 by the conclusion of the second year.

Given,

P = $800

Time t=5 years

Interest rate= 2.9%

Hence, the amount will have in his account is:

=[tex]P(1 + 10 / 2000)^{2t}[/tex]

Here, the interest is compounded semiannually.

[tex]800 (1 + 2.9 / 200)^{10}[/tex]

=$358

Therefore, if the interest rate is compounded semiannually then the money he will have in this account if he keeps it for 5 years is $358.

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the mean and standard deviation of the random variable X, which represents the income from insuring four 21-year-old men, is 2000 and 27.22, respective

Mean: $2,000

Standard Deviation: $741.42

The mean of the random variable X is calculated by taking the sum of the products of the probability of each outcome and the corresponding value of X. The probabilities of each outcome, in this case, are 0, 0.38, 0.59, and 0.03, respectively. The corresponding values of X are $1000, 2000, 3000, and 4000$. Thus, the mean of X is calculated as:

Mean =[tex]$\sum_{i=1}^{N} P(X = x_i)*x_i[/tex]

= 0*1000 + 0.38*2000 + 0.59*3000 + 0.03*4000

= 2000

The standard deviation of the random variable X is calculated by taking the square root of the sum of the products of the probability of each outcome and the square of the difference between the corresponding value of X and the mean. The probabilities of each outcome, in this case, are 0, 0.38, 0.59, and 0.03, respectively. The corresponding values of X are $1000, 2000, 3000, and 4000$. The mean of X is 2000. Thus, the standard deviation of X is calculated as:

Standard Deviation = [tex]$\sqrt{\sum_{i=1}^{N} P(X = x_i)(x_i - \mu)^2}[/tex]

= [tex]\sqrt{(0(1000-2000)^2[/tex] + [tex]0.38*(2000-2000)^2[/tex] + [tex]0.59*(3000-2000)^2 + 0.03*(4000-2000)^2)}[/tex]

= [tex]\sqrt{741.42} = 27.22$[/tex]

Therefore, the mean and standard deviation of the random variable X, which represents the income from insuring four 21-year-old men, is 2000 and 27.22, respective

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Answer:

21.4

Step-by-step explanation:

If the ladder originally reaches up 21 feet on the side of the house, and Elijah pulls it 4 feet farther away from the house, the distance from the base of the ladder to the side of the house will increase by 4 feet. This means that the new distance from the base of the ladder to the side of the house will be 21 feet + 4 feet = 25 feet.

Since the height of the ladder is the same, and the base of the ladder is now 25 feet from the side of the house, the ladder will still reach up 21 feet on the side of the house. Therefore, the new distance from the top of the ladder to the ground will be 25 feet - 21 feet = <<25-21=4>>4 feet.

To find the new distance from the top of the ladder to the side of the house, we can use the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides. In this case, we have a right triangle with legs of lengths 21 feet (the height of the ladder) and 4 feet (the distance from the top of the ladder to the ground), and we want to find the length of the hypotenuse (the distance from the top of the ladder to the side of the house). We can use the formula c^2 = a^2 + b^2 to find the length of the hypotenuse:

c^2 = 21^2 + 4^2

= 441 + 16

= 457

c = sqrt(457)

= 21.37

Therefore, the distance from the top of the ladder to the side of the house is 21.37 feet, and the ladder will reach up 21.37 feet on the side of the house after Elijah pulls it 4 feet farther away. Round to the nearest tenth of a foot, the ladder will reach up 21.4 feet on the side of the house.

The answer would not be 17 feet because the height of the ladder and the distance from the base of the ladder to the side of the house are two separate and independent quantities. The height of the ladder is a fixed distance and does not change, regardless of the position of the base of the ladder. Therefore, even if Elijah pulls the ladder 4 feet farther away from the house, the height of the ladder will still be 21 feet and the ladder will still reach up 21 feet on the side of the house. The only change will be the distance from the base of the ladder to the side of the house, which will increase by 4 feet.

The smallest number of pupils the class could contain is 25.

A percentage is a value or ratio that may be stated as a fraction of 100. If we need to calculate a percentage of a number, we should divide it's entirety and then multiply it by 100

Since we are told that 56% of the pupils in a class are girls, the smallest number of pupils the class could contain is 25. This will be:

= 14 / 25 × 100

= 56%

This is correct as indicated above.

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Answer:

The answer would be 12.

The equation would be (25/5)+7

Step-by-step explanation:

To solve this problem, first divide 25 by 5.

25/5=5

Now, add 7 to 5 for your answer.

The answer would be 12.

The equation would be (25/5)+7

Hope this helps! Have a great day! :D

25÷5=5

5+7=12

12 is your answer

Answer:

b. temperature

Step-by-step explanation:

It is the measure of average kinetic energy of motion or K.E of a single particle in a system.

The best prediction of the number of clicks on the advertisement if 1,500 people visit the website is; C: 83

We want to find the best prediction of the number of clicks on the advertisement if 1,500 people visit the website.

Now, we see the coordinates from the table;

(1045, 60)

(1106, 63)

(1500, y)

where y  is the best prediction of the number of clicks on the advertisement if 1,500 people visit the website.

By interpolation, we can say that;

(y - 63)/(1500 - 1106) = (63 - 60)/(1106 - 1045)

(y - 63)/394 = 3/39

(y - 63)/394 = 1/13

Cross multiply to get;

y - 63 = 394/13

y = 93

Looking at the options, the closest option is option C.

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The area of the regular hexagon value calculated using given perimeter of the regular hexagon is equal to option C. 600√3 square meters.

As given in the question,

Perimeter of the regular hexagon is equal to 'P' = 120m

Relation between the area of the regular hexagon 'A' and the perimeter of the regular hexagon 'P is given by :

A = √3 × ( P²/24 )

  = √3 × [(120)²/ 24]

  = √3 × ( 14400 / 24 )

  = √ 3 × 600

 = 600√3 square meters

Therefore, the area of the regular hexagon using the perimeter of the regular hexagon is equal to Option C.  600√3 square meters.

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Answer:

9

Step-by-step explanation:

3p + 6 = 5p – 12

6 + 12 = 5p – 3p

18 = 2p

p = 18/2

p = 9

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Answer:

The answer would be 9.

Step-by-step explanation:

If you plug in 18 for both of them, the answer would be:

60=78

If you plug in 9 for both of them, the answer would be:

33=33

If you plug in 0 for both of them, the answer would be:

6=-12

If you plug in -9 for both of them, the answer would be:

-21=-57

So, 9 would be the best choice.

Hope this helps! :D

The solution to the equation x²+6x+9=20 is x = -2√5 - 3 or x = 2√5 -3 option option (B) and option (D) are correct.

What is a quadratic equation?

Any equation of the form  where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.

As we know, the formula for the roots of the quadratic equation is given by:

x = [-b± (√b²-4ac )] / 2a

The quadratic equation:

x²+6x+9=20

x²+6x -11 = 0

a = 1, b = 6, c = -11

x₁,₂ = [-6±√6² - 4.1.(-11)]/2(1)

x = -3 + 2√5 , x = -3 - 2√5

Thus, the solution to the equation x²+6x+9=20 is x = -2√5 - 3 or x = 2√5 -3 option option (B) and option (D) are correct.

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