HELP

A person makes an overseas phone call. The telephone company charges 58 cents for the first minute and then 66 cents for each minute there after. Because it's an overseas phone call, there is also a 50c ent service charge. If the phone call cost $14.28, how many minutes did this person talk? The person talked for ____ minutes.

The mathematical expression from the algebraic expression is a x^3 - 6.

According to the statement

We have to find that the expression of the statement in the mathematical form.

So, For this purpose, we know that the

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division.

From the given information:

The hx values are 6 less than the cube of x

Then

To convert into the mathematical form:

The cube of the x is in the mathematical form is a x^3

Then

And the 6 less than the cube

And in the mathematical form it becomes the

x^3 - 6.

So, The mathematical expression from the algebraic expression is a x^3 - 6.

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Answer: Do you have a picture of the problem so it will be more sense?

Step-by-step explanation:

Answer:

The value of the product is 2²

Answer:

105.47 hours

Step-by-step explanation:

1300x0.13=172.9

172.9+1300=1502.9

1502.9/14.25=105.47

By calculating speed of each person we can find who is faster.

Speed can be defined as the distance covered with respect to time. It is a scalar quantity. It is calculated as follows

Speed  = Distance / Time taken

The time taken by each person is 20 seconds.

Distance covered by Jan = 50 meter

Speed of Jan = Distance / Time taken

Speed of Jan = 50 / 20

Speed of Jan = 2.5 meters per second

Distance covered by Dingh = 60 meter

Speed of Dingh = Distance / Time taken

Speed of Dingh = 60 / 20

Speed of Dingh = 3 meters per second

Since the speed of Dingh is more than Jan, we can say that Dingh is faster.

Distance = Speed × Time taken

Here, time taken = 1 second

This implies Distance Covered = Speed

Therefore, Jan covers 2.5 meters in one second while Dingh covers 3 meters in one second.

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Answer:

23

Step-by-step explanation:

Answer:

$34,000.00

Step-by-step explanation:

[tex]2,780,000/82 = 33,902.439\\33,902.439 ~ 34,000.00[/tex]

The average hockey player makes per game is an amount of $34,000.00 which is the correct option would be option (A).

In mathematics, divides left-hand operands into right-hand operands in the division operation. The primary purpose of the division is to generate equal groupings or to determine how many people are in each category after a fair distribution.

For example 4/2 = 2

The average professional hockey player makes $2.78 million a year.

$2.78 million = $2,780,000

They play an average of 82 games.

The average hockey player makes per game = 2,780,000 / 82

Apply the division operation to get the answer.

The average hockey player makes per game = 33,902.439

The average hockey player makes per game = $33,900.00

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Considering division signal rules, one possible example of an equation that results in a positive number is:

-9/-3 + 3/1 = 6.

A division(fraction) results in a positive numbers if the two terms have the same signal, either both positive or both negative.

Hence, to ensure an expression with a positive result in this problem, the terms in each division got to have the same signal, as the example that follows:

-9/-3 + 3/1 = 6.

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Answer:

You remove the difference between the two numbers from each other. E.g., 5-2=3, and 6-4=2.

Step-by-step explanation:

Answer:

-8^3/7^3 = -512/343

Step-by-step explanation:

3√ (-512/343) = 3√-(8/7)^3 = -8/7

-8^3/7^3 = -512/343

Length of BC is 25 inches.

Here,

Line l contains points A, B and C.

A B =7 inches, A C = 32 inches, and point B is between points A and C.

We have to find the length of BC in inches.

What are Collinear points?

If two or more points are lie on a straight line then points are called Collinear points.

Now,

Line l contains points A, B and C.

Point B is between points A and C.

Length of A B = 7 inches and A C = 32 inches

Hence, Length of BC = Length of AC - Length of A B

                                 = 32 - 7 = 25 inches.

Therefore, Length of BC is 25 inches.

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The given sequence is geometric, with common ratio = 0.4.

Now, Given: 10, 4, 1.6, 0.64, ....

Here, [tex]\frac{4}{10}=\frac{1.6}{4}=\frac{0.64}{1.6}=0.4[/tex]

That is, the given sequence follows the only necessary condition for a sequence to be geometric.

Hence, The given sequence is geometric, with common ratio = 0.4.

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The equation of the circle that passes through the point (-2 , 3) and has a center at the origin is x^2 + y^2 = 13.

Using the distance formula, get the radius of the circle by solving for the distance between the center and the point (-2 , 3).

radius = distance = √(x2 - x1)^2 + (y2 - y1)^2

radius = √(-2 - 0)^2 + (3 - 0)^2

radius= √4 + 9

radius = √13

The standard form of the equation of the circle is given by (x - h)^2 + (y - k)^2 = r^2, where (h , k) is the location of the center and r is the radius of the circle.

Given the radius and center of the circle, substitute these values to the standard form of the equation of the circle.

(x - h)^2 + (y - k)^2 = r^2

where (h , k) = (0 , 0)

r = √13

(x - 0)^2 + (y - 0)^2 = (√13)^2

x^2 + y^2 = 13

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The functions

y = -|x + 4| - 5y=−∣x+4∣−5

y = |x + 4| - 5y=∣x+4∣−5

Both these functions have got a common vertex in the third Quadrant.

They are the reflections of each other in a horizontal line.

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If 22 is the geometric mean of a number and four times the number, then the number is 11.

Geometric mean, like arithmetic mean, is a kind of average and a measure of central tendency.

To solve for the geometric mean, we multiply the numbers together and then take a square root (for two numbers), cube root (for three numbers) etc. In other words, geometric mean is the nth root of the product of n values.

The formula for the geometric mean is given by:

GM = n√x1 x2 . . . xn

Let x = x1 = unknown number

y = x2 = four times the number = 4x

Using the formula in solving geometric mean, plug in the values and variables.

GM = n√x1 x2 . . . xn

22 = √xy

22 = √x(4x)

22 = √4x^2

22 = 2x

x = 11

y = 4x

y = 44

Hence, the number is 11. 22 is the geometric mean of 11 and 44.

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An isosceles triangle is one with two equal-length sides. ΔABC is an isosceles triangle.

The shortest distance (length of the straight line segment's length connecting both given points) between points ( p,q) and (x,y) is:

D = √[(x-p)² + (y-q)²] units.

Given that the coordinates of the vertices of the triangle are A(0,0), B(a, b), and C(2a, 0). Now, to prove that the given triangle is an isosceles triangle we need to find the length of each side of the triangle.

AB = √[(x₂-x₁)² + (y₂-y₁)²]

     = √[(a - 0)² + (b - 0)²]

     = √(a² + b²)

BC = √[(x₂-x₁)² + (y₂-y₁)²]

     = √[(2a - a)² + (0 - b)²]

     = √(a² + b²)

AC = √[(x₂-x₁)² + (y₂-y₁)²]

     = √[(2a - 0)² + (0 - 0)²]

     = √4a²

     = 2a

Since the length AB and BC are the same, while the length of AC is different, therefore, ΔABC is an isosceles triangle.

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The volume of the larger tent in the shape of hemispheres, with circular floors, is 89.8 cubic feet.

If the diameter of the smaller tent is 6 feet, then its radius is 3 feet. Solving for the area of its circular floor,

A = πr^2

A = π(3 feet)^2

A = 9π square feet

Using the ratio of the floor areas of the two tents, calculate the area of the circular floor of the larger tent.

9 : 12.25 = 9π square feet : x

where x = area of the circular floor of the larger tent

9x = 12.25(9π)

x = 12.25 π square feet

If the area of the circular floor of the larger tent is 12.25 π square feet, then solving for its radius,

A = πr^2

12.25 π square feet = πr^2

r = 3.5 feet

Hemisphere refers to half of a sphere and its volume is given by the formula V = 2/3πr^3, where r is the radius.

V = 2/3πr^3

V = 2/3 π (3.5 feet)^3

V = 89.79719002 cubic feet

Rounding off to the nearest tenth.

V = 89.8 cubic feet

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Answer: x=27    y=4

Step-by-step explanation:

Let the larger of two numbers is x and the smaller of two numbers is y

Hence,

[tex]\displaystyle\left \{ {x-5y=7} \atop {x+y=31}} \right.\\\\\left \{ {{x-5y=7} \atop {x+y-y=31-y}} \right. \\\\\left \{ {{x-5y=7\ \ \ \ \ (1)} \atop {x=31-y}\ \ \ \ (2)} \right. \\[/tex]

Substitute equation (2) into equation (1):

[tex]31-y-5y=7\\31-6y=7\\31-6y+6y=7+6y\\31=7+6y\\31-7=7+6y-7\\24=6y\\[/tex]

Divide both parts of the equation by 6:

[tex]4=y\\Hence,\\x=31-4\\x=27[/tex]

Answer:

go

Step-by-step explanation:

i don't understand this shirty app

Answer: 9

Step-by-step explanation:

20% of 50 is 10. So, he has a total of 60 volunteers. He uses 15% of that for the stage area, and 15% of 60 is 9. So, Tyrone assigned 9 volunteers to the stage area.

Your answer should be - 84.

Explanation:

Starting equation: [tex]2\:+\:8\:-\:2\:\left[32\:+\:5\:\left(1\:+\:2\right)\right][/tex]

-Calculate within parentheses [32 + 5 (1+2)] = 47.

Remaining equation: 2 + 8 - 2 x 47

-Multiply and divide (left to right) 2 x 47 = 94

Remaining equation: 2 + 8 - 94

-Add and subtract (left to right) 2 + 8 - 94 = -84

Your final answer is -84

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Hope this helps!

Have a great day and God bless! :)

Answer: $7 per book

Step-by-step explanation:

$77 for 11 books, so we do 77 ÷ 11 = 7

For the following function, we have that:

In a graph:

Hence, for the graph in this problem, we have that:

Hence:

We have to look at the values of y on the interval, hence:

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Answer:

9

Step-by-step explanation:

3x3=9

Answer:

the sum is 9

Step-by-step explanation:

3×1=3

3×2=6

3×3=9

Answer:-3 1/24

Step-by-step explanation:

In 8 months he will have a total of 44 books in his collection.

The correct answer is an option (H)

In this question,

Paul collects comic books. He has 20 books in his collection, and he adds 3 per month.

We need to find the number of months required to have a total of 44 books in his collection.

Let n be the required number of months.

From given information, we get an equation,

20 + 3n = 44

We solve above equation to find the required number of months.

20 + 3n - 20 = 44 - 20

3n = 24

n = 8

Therefore, in 8 months he will have a total of 44 books in his collection.

The correct answer is an option (H)

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Answer:

Step-by-step explanation:

The telephone company offers two billing plans for local calls. Plan 1 charges ​$30 per month for unlimited calls and Plan 2 charges ​$15 per month plus ​$0.04 per call.

a. Use an inequality to find the number of monthly calls for which Plan 1 is more economical than Plan 2.

b. Explain the meaning of the answer to part

Answer:

8

Step-by-step explanation:

x³; x = 2

2³ or 2 × 2 × 2 = 8

I hope this helps!