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Nesterboy [21]
3 years ago
12

What is the volume of a sphere with radius 9? Round to the tenths.

Mathematics
1 answer:
GrogVix [38]3 years ago
8 0

Answer:

V=3053.6

Step-by-step explanation:

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Which linear inequality is represented by the graph?
Charra [1.4K]

Answer:

y < 2/3 x - 1 is the linear inequality which represented by the graph ⇒ 4th answer

Step-by-step explanation:

* Lets explain how to solve the problem

- At first lets find the equation of the line

∵ The line passes through points (3 , 1) and (-3 , -3)

∵ The form of the equation is y = mx + c, where m is the slope of the

  line and c is the y-intercept

- The rule of the slope of any line passes through points (x1 , y1) and

  (x2 , y2) is m = (y2 - y1)/(x2 - x1)

- The y-intercept means the intersection between the line and the

  y-axis at point (0 , c)

∵ (3 , 1) and (-3 , -3) are two points on the line

- Let (x1 , y1) is (3 , 1) and (x2 , y2) is (-3 , -3)

∴ The slope of the line m = (-3 - 1)/(-3 - 3) = -4/-6 = 2/3

∵ The line intersects the y-axis at point (0 , -1)

∴ c = -1

∵ The equation of the line is y = mx + c

∴ The equation of the line is y = 2/3 x + -1

∴ The equation of the line is y = 2/3 x - 1

- If the shaded part is over the line then the sign of inequality is ≥ or >

- If the shaded part is under the line then the sign of inequality is ≤ or <

- If the line represented by solid line (not dashed), then the sign of

 inequality is ≥ or ≤

- If the line represented by dashed line (not solid), then the sign of

 inequality is > or <

∵ The shading part is under the line

∵ The line is dashed

∴ The sign of the inequality is <

∴ y < 2/3 x - 1

* y < 2/3 x - 1 is the linear inequality which represented by the graph

4 0
3 years ago
Each year, roughly 10^6 computer programmers each make $10^5. How much money is this all together? Express your answer both as a
faust18 [17]

Given parameters:

Amount made by each computer programmer = $10⁵

Number of computer programmers = 10⁶

Problem;

How much money is this all together  = ?

Solution:

  The total money can be found using;

                   = Amount made by each programmer x number of programmers

                   = $10⁵ x 10⁶

                   = $10¹¹

As a power of ten, the amount made is $10¹¹

In dollar amount  = $100,000,000,000

6 0
3 years ago
Three times the difference of a number and 7 is 30. Find the number.
oksano4ka [1.4K]

Answer:

<h2>x = 17</h2>

Step-by-step explanation:

3(x - 7) = 30 is our equation, since we take 7 away from the number and then multiply the result by 3.

3x - 21 = 30

Add 21

3x = 51

Divide by 3

x = 17

To check.

3(17 - 7(

3(10)

30 = 30 Correct

8 0
3 years ago
Rosen 15 how many solutions are there to the equation x1 x2 x3 x4 x5
anygoal [31]
<span>The number of answers always corresponds to the highest number of <u>exponents. </u>

Therefore, if <u>x</u></span><u>⁵</u><span><u> is the highest exponent, then there are 5 possible answers</u>.

However, it is important to note that not all of these have real answers for each one. In some cases, an x</span>⁵<span> equation will have a number of real answers and a number of imaginary answers. Nevertheless, they will always add to 5. </span>
4 0
3 years ago
Solve the equation. 20 = –d + 16<br><br> A. 4<br><br> B. –10<br><br> C. –6<br><br> D. –4
gizmo_the_mogwai [7]
Hello there
The correct answer to this question would be D: negative 4

This is because the negatives from negative 4 and negative d would cancel each other out, to make it a positive 4, resulting in the equation being: 20 = 4 + 16 ,  which is true

I hope this helped ^^
3 0
3 years ago
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