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iVinArrow [24]
3 years ago
10

The surface area of a sphere is 64n square inches. Which equation can be used to solve for the radius of the sphere?

Mathematics
1 answer:
MrRa [10]3 years ago
4 0

Answer:

64n = 4nr2

Step-by-step explanation:

So the formula for the surface area of a sphere is A=4πr^2

Now A= 64n

(im assuming n is supposed to be pi)

so 64n=4πr^2

thus the last one would be correct (also assuming its supposed to be r^2)

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A paper company needs to ship paper to a large printing business. The paper will be shipped in small boxes and large boxes. The
snow_tiger [21]

Answer: the number of small boxes shipped is 14 and the number of large boxes shipped is 12.

Step-by-step explanation:

Let x represent the number of small boxes shipped and

Let y represent the number of large boxes shipped.

A total of 26 boxes of paper were shipped. This means that

x + y = 26

The volume of each small box is 7 cubic feet and the volume of each large box is 13 cubic feet. The combined volume of small and large boxes shipped is

7x + 13y = 254 - - - - - - - - - - - - - - - -1

Substituting x = 26 - y into equation 1, it becomes

7(26 - y) + 13y = 254

182 - 7y + 13y = 254

- 7y + 13y = 254 - 182

6y = 72

y = 72/6 = 12

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x = 14

6 0
3 years ago
Solve the inequality 5(2h+8)<60
Bezzdna [24]

Answer and Step-by-step explanation:

Greetings!

Let's~answer~your~question!

First, ~let's~ work~ on ~the~ left~ hand ~side~ of ~your ~inequality,~ the~ 5(2h+8)~This\\ means,~ for~ instance, ~to ~see ~if ~it ~can~ be ~simplified ~at~ all.~Multiply~ h ~and~ 2

The~ answer~ is~ h

2\times h~ evaluates~ to~ 2h

2\times h+8 ~evaluates~ to~ 2h+8

Multiply ~5~ by~ 2h+8

we ~multiply~ 5~ by~ each ~term ~in~ 2h+8 ~term ~by~ term~and~we~use~distributive~\\property.

Multiply ~5 ~and~ 2h

5\times2h=10h

Multiply~ 5 ~and ~8

5 \times 8 = 40

3 0
2 years ago
In AWXY, m_W = (10x +17), m_X = (2x – 9)", and m_Y = (3x + 7)º.<br> Find mZY
ella [17]

Answer:

m\angle Y=40^\circ

Step-by-step explanation:

Suppose we have a triangle WXY whose internal angles are:

m\angle W = 10x+17

m\angle X=2x-9

m\angle Y=3x+7

The sum of the measures of the angles must be 180°, thus:

10x+17 + 2x-9+3x+7=180

Simplifying:

15x + 15 = 180

Subtracting 15:

15x = 165

Dividing by 15:

x = 11

Thus, the measure of angle Y is

m\angle Y=3x+7=3*11+7=33+7=40

\mathbf{m\angle Y=40^\circ}

8 0
2 years ago
Which is NOT a true statement?
rusak2 [61]

Answer:

option 4

Step-by-step explanation:

|a| represents Absolute value, it is the distance from zero that a number is on the number line. And we know distance cannot be negative.

So,

|a| = a

|-a| = a\\\\| \frac{-a}{b}| = \frac{a}{b}\\\\|\frac{a}{-b}| = \frac{a}{b}

6 0
3 years ago
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