Danielle owes $13.80 for text messaging in the month of March. If her text messaging plan costs $9 forthe first 550 messages and 20¢ for each additional text message, how many text messages did shesend that month?AnswerKeypadKeyboard Shortcutstext messages

Answer:

2

Step-by-step explanation:

If you have 1 cookie and someone gives you another cookie you now have 2.

Answer: i believe its 0.46 im not for sure though

Step-by-step explanation:

Answer:

11.34 m³

Explanation:

The volume of a right rectangular prism can be calculated as:

So, replacing the height by 3.6 m, the length by 2.1 m, and the width by 1.5m, we get:

Therefore, the volume of the prism is 11.34 m³

Slope-intercept format is represented by the following expression:

Then to rewrite it, we need to isolate the variable y, using inverse operations to solve equations:

Recall that two figures are similar if their corresponding angles have the same measure.

Therefore, if we reduce or increment the measurement of each angle, the resulting figure will not be similar to the original figure.

Now, notice that increasing the length of the sides of a polygon does not necessarily result in a similar figure, for example:

Now, recall that translations, rotations, reflections, and dilations result in similar figures.

Answer: Third and last options.

K (5 * 3)

K * 15

15K

The answer is 15K based on the information available. I asked the student twice if he has more details about this exercise but he become unresponsive.

Hope that this is the answer to the actual exercise.

Closing the session.

Step 1

There are 18,652 geese on a lake

Required: To round this off to the ten thousand place

Step 2

Hence, we will approximate the thousands and add its value to the ten thousand.

Step 3

The mechanic rounds the weight of the car to the nearest thousand and gets 4000 lb.

Using the rule below;

Therefore,

Therefore,

Part a: The people can arrive in 5040 ways

Part b: In 120 ways, Jim can arrive first and Kim last

Part c: The probability that Jim will arrive first and Kim last is 1/42

People invited to the party: Jim, Eduardo, Larry, Simone, Ian, Dawn, Tyrone, and Kim

Part a:

Since there are 7 people, the number of ways they can arrive is 7*6*5*4*3*2*1 =.5040 ways

Part b:

For Jim to arrive first and Kim last:

The remaining 5 people can arrive in any order so, the number of ways in which they can arrive is 5*4*3*2*1 = 120 ways

Part c:

The probability that Jim will arrive first and Kim last is given by:

Number of ways Jim can arrive first and Kim last/ Total number of ways in which all the people can arrive at the party

= 120/5040 = 1/42

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Answer:

16 batches of cookies

Step-by-step explanation:

First, I converted the fraction (1/2) to a decimal (.5). Then I divided 4 by .5 and got 8. Next, multiply 8 by 2 and we get 16, which means we can make 16 batches of cookies.

4 ÷ .5 = 8
8 × 2 = 16

Answer:

Step-by-step explanation:

8/9 - 1/3

To subtract these two fractions, first find a common denominator.

The common denominator will be the

least common multiple for the two denominators.

In this case, the least common multiple of 9 and 3 is 9.

So to subtract, a denominator of 9 is needed in each fraction.

8/9 already has 9 in the denominator so it stays the same.

To get a 9 in the denominator of 1/3, multiply top and bottom by 3.

This gives us 3/9.

So we have 8/9 - 3/9 which is 5/9.

#7777

The volume of the silo with given height and diameter is 4374π ft or 13734.36 ft. (approximately).

What is volume?

Volume is a measurement of 3-D space that is occupied. Numerous imperial units or SI-derived units, such as the cubic meter and liter, are frequently used to quantify it numerically (such as the gallon, quart, cubic inch). Volume and length (cubed) have a symbiotic relationship. The volume of a container is typically thought of as its capacity, not as the amount of space it takes up.

Given in the question,

The diameter of the cylindrical silo is 18 ft,

and its height is 54 ft.

Volume of a cylinder can be calculated using the formula:

[tex]V = \pi r^2 h[/tex]

Here, V = volume, r = radius, h = height,

We know that, radius is half of diameter. So, radius = 18/2 = 9 ft

Putting the given value in the formula:

[tex]V = \pi 9^2 \times 54[/tex]

[tex]V = \pi \times 81 \times 54[/tex]

V = 4374π ft.

Putting the value of π as 3.14 (approximately)

So, volume of the silo becomes 13734.36 ft.

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1)  A number that is divided by 5, with the result as 50 less than if the number had been divided by 6 is; -1500

2) If both turtles survive until then, the number of years from today that the older turtle's age would be 3 times that of the younger turtle is; 146 years

1) Let the number be x. We are told that it is divided by 5, and the result is 50 less than if the number had been divided by 6. Thus, we have;

(x/6) - (x/5) = 50

Multiply through by 30 to get;

5x - 6x = 1500

-x = 1500

x = -1500

2) Let the older turtle be x and the younger one be y.

Today, the older turtle's age is 11 times that of the younger turtle. Thus;

Todays age;

Older turtle = 11y years

Younger turtle = y years

In 24 years, the older turtle's age will only be 7 times that of the younger turtle. Thus;

11y + 24 = 7(y + 24)

11y + 24 = 7y + 168

11y - 7y = 168 - 24

4y = 144

y = 144/4

y = 36

Thus;

Age of older turtle today = 11 * 36 = 396 years

Age of younger turtle today = 36 years

Thus, for older turtle to be thrice the age of younger turtle, then;

3(36 + t) = 396 + t

108 + 3t = 396 + t

2t = 292

t = 292/2

t = 146 years

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The solution for the given system of equations, y = [tex]\frac{-1}{2}[/tex]x + 5 and y = 3x - 2 is (2,4) and the graph is attached below

The system of equations is a set of equations consist the same variables. If the given equation are all linear then, it is the system of linear equation.

To solve such system, it is required to figure out the variable values that can solve all the equations involved in the system.

For the given system of equation the variable value is x.

So,  [tex]\frac{-1}{2}[/tex]x + 5  = 3x - 2

2 + 5 = 3x + [tex]\frac{x}{2}[/tex]

7 = x ([tex]\frac{6+1}{2}[/tex]) = [tex]\frac{7x}{2}[/tex]

x = 2

Now apply the obtained value of x in either of the equations:

y = 3x - 2

y = 6 - 2

y = 4

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Solution

Step 1

Two lines are perpendicular if the product of their slope = -1

Step 2

Step 2

If the full-time year-round median salary for U.S. men in 2010 was $42,600. The​ full-time year-round median salary for U.S. men in 2010 was 121% of the​ full-time year-round median salary for U.S. women in 2010.

Using this formula

Median salary percentage = 2010 Median salary in US men / 2010 Median salary in US women

Let plug in the formula

Median salary percentage = $42,500 / $35,000

Median salary percentage = 1.2143 × 100

Median salary percentage = 121.43%

Median salary percentage = 121% (Approximately)

Therefore median salary for men in 2010 was 121% of  median salary for  women in 2010.

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(b) To determine the year the population will reach 1,200,000, substitute p(t) = 1,200,000 into p(t) above and calculate the value of t

The year when t= 8, given that t=0 in 2014 is the year 2022

(c) the rate of change of the population in the year 2019

Firstly, differentiate p(t) with respect to t

In the year 2019, t = 5

Substitute t=5 into the rate of change above

Data:

• Distance ( ,D ,)= 144 miles

• Time ( ,t ,) = 4 hours

• Speed of Ahmed (,A,): unknown

• Speed of Blake (,B,): unknown

• Formula of speed:

Procedure:

• As Blake travels 8 mph faster than Ahmed

Since they are traveling towards each other, we can add up their speeds as follows:

Using the distance formula, we can find the speed:

To know the speed of Blake:

Answer:

• Blake = 292 mph

• Ahmed = 284 mph

The dimensions of the rectangle are L=10in, B=5in

A rectangle includes everything listed below:

Your polygon's four sides must be two congruent pairings in order to have two pairs of parallel sides. The length of the left and right sides, as well as the base and top, will be equal.

let width of rectangle be x, then length will be

B=5+x

given area of rectangle

A=50in²

area = length×width

A=L×B

50 = x×(5+x)

50=5x+x²

x²+5x-50=0

x²+10x-5x-50=0

x(x+10)-5(x+10)=0

x=-10 or x=5

since x=-10 is not possible

therefore, x=5

Length(L)=5+5=10in

Width(B) = 5in

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Given:

When two negetive sign comes together it becomes positive.

Thus, the final answer is 21.

In any equation in math, the most basic thing is the the fact that both expressions on either side of the equality sign are of the same value. This means -35 and 5b (in number 1) are of the same value. Therefore, whatever you do to the one on the left, you must likewise do to the one on the right. That is, if you have to add 10 to the one on the left, you must simultaneously add 10 to the one on the right. Hence, number 1 is solved as follows;

(1) -35 = 5b

To eliminate the 5 and isolate the b variable, divide both sides by 5

-35/5 = 5b/5

- 7 = b

(2) x - 6 = - 26

Add 6 to both sides of the equation;

x - 6 + 6 = - 26 + 6

x = - 20

(3) 130 = 13b

Divide both sides of the equation by 13

130/13 = 13b/13

10 = b

(4) 19 = 16 + m

Subtract 16 from both sides of the equation

19 - 16 = 16 - 16 + m

3 = m

(5) a + 15 = 11

Subtract 15 from both sides of the equation

a + 15 - 15 = 11 - 15

a = - 4

(6) p - 8 = - 8

Add 8 to both sides of the equation

p - 8 + 8 = - 8 + 8

p = 0

(7) - 17 + x = - 24

Add 17 to both sides of the equation

- 17 + 17 + x = - 24 + 17

x = - 7

(8) 4 + n = 13

Subtract 4 from both sides of the equation

4 - 4 + n = 13 - 4

n = 9

(9) - 3x = 0

Divide both sides of the equation by - 3

- 3x/-3 = 0/-3

x = 0

(10) 0.6 = m - 0.8

Add 0.8 to both sides of the equation

0.6 + 0.8 = m - 0.8 + 0.8

1.4 = m

(11) x - 5.3 = 1.27

Add 5.3 to both sides of the equation

x - 5.3 + 5.3 = 1.27 + 5.3

x = 6.57

The order of the numbers from lowest to highest is 4.68 × 10⁻⁶,  8.34 × 10⁻², 1.2  × 10⁷, 3.24 × 10⁹ and  5.48  × 10⁹

The given numbers are expressed in standard form. Standard form is a way of writing numbers as a power 10 e.g 100 = 1 × 10² and 0.01 = 1 × 10⁻².

So converting the numbers back to ordinary numbers will be useful.

To do this, we will multiply or divide the powers of 10 with the decimal numbers.

We will multiply if the power is positive e.g 2.4 x 10² = 2.4 x 100 = 240 and divide if the power is negative  2.4 x 10⁻² = 2.4/100 = 0.024

3.24 × 10⁹  = 3.24 x 1000,000,000 =  3240000000

4.68 × 10⁻⁶ = 4.68 / 1000000 = 0.00000468

5.48  × 10⁹ = 5480000000

8.34 × 10⁻² = 8.34/100 = 0.0834

1.2  × 10⁷ = 12000000

Therefore, arranging from lowest to highest. We have:

4.68 × 10⁻⁶,   8.34 × 10⁻², 1.2  × 10⁷, 3.24 × 10⁹ and  5.48  × 10⁹

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Answer:

180

Step-by-step explanation:

So, in the first 4 games, they score 10 points. If this continues to happen in the remaining 18 games, it would be 180.

             10 x 18 = 180.

Solving an Equation

We are given the equation:

The first step is to multiply the constants by the binomials in parentheses:

This step was correctly done by Jose.

The second step is to 'pass' the 4x from the right side of the equation to the left by adding 4x on both sides:

This step was also correct.

Now we must 'pass' 15 to the right by subtracting 15:

And here we find the first error. Jose subtracted 15-20 instead of 20-15 and erroneously got -5.

Answer: First error in step 3

A linear equation has a constant slope.

For every step increase in x, there needs to be another step increase in y.

From the table,

x decreases by 2 units

y doesn't decrease by the same unit

So, this cannot be linear relationship.

To see whether it is quadratic or exponential, we graph the (x,y) points and see the general shape of the curve by connecting the points in a smooth curve.

The graph is shown below:

From seeing the graph, it is quite evident that the tabular relationship represents a quadratic function.

Thus, the correct answer is:

Answer:

f(x) = x^4

Step-by-step explanation:

h(x) = f(g(x)) = (x - 2)^4

g(x) = x - 2

h(x) = f(g(x)) = (g(x))^4

f(x) = x^4

Answer:

ez

Step-by-step explanation:

ezz

The teammates are 15 but 6 of them do not want the photo, so the number of the teammates who wants the photo is 15 - 6.

Now, each photo cost $2 adn the number of photo is equal to the number of teammates who wants the photo which is (15-6), so the expression for the total cost is:

We have to multiply the cost of each photo for the number of photo Greta will buy.

The length , width and height of a box with volume 125 cubic centimeters will be

1, 5 and 25.

The volume of a box can be calculated by multiplying its length, width, and height.

here given volume = 125

V = l x w x h

125 = l x w x h

l, w, h is the factors of 125

To find the common factors, we must first list the factors of each of the given numbers.

since 125 is  composite number, it will have more than two factors.

125 → 1, 5, 25 and 125.

The factors of 125 is 1, 5, 25,125

here 125 cannot consider as length since volume is 125 other sides cannot be 0.

so the length, width, height can be 1 , 5, 25.

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Answer:

89%

Step-by-step explanation:

Answer:

Step-by-step explanation: