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3 years ago

14

A roll of nickels has a $2 value. Which of these tables correctly shows the ratios of different numbers of rolls of nickels to t

heir values?

1 answer:

olasank [31]3 years ago

8 0

You didn’t show the tables??

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sladkih [1.3K]

The answer is 7,500.

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3 years ago

2. Simplify: 2xy + 10x2 - 9xy

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The answer is letter D

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omeli [17]

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A toy ball in the shape of a sphere expands and contracts. When it is completely closed, it has a diameter of 12.5 inches.Find

lana [24]

The volume of the sphere is $1022.65 \ in^3$

Explanation:

Given that the diameter of the toy ball is 12.5 inches

We need to determine the volume of the toy ball.

The radius of the toy ball is given by

$r=\frac{d}{2}$

$r=\frac{12.5}{2}$

$r=6.25 \ in$

Thus, the radius of the toy ball is 6.25 in

The volume of the sphere can be determined using the formula,

$V=\frac{4}{3} \pi r^{3}$

Substituting the values, we get,

$V=\frac{4}{3} \pi(6.25)^{3}$

Multiplying, we get,

$V=\frac{976.5625 \pi}{3}$

Substituting $\pi=3.14$ , we have,

$V=\frac{976.5625 (3.14)}{3}$

Simplifying, we get,

$V=1022.65 \ in^3$

Thus, the volume of the sphere is $1022.65 \ in^3$

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3 years ago

Could someone help me solve these problems, step by step please so that I can understand what to do! Please only Answer with rea

seropon [69]

Answer:

don't know

Step-by-step explanation:

ok please mark me brainlist.

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3 years ago