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3 years ago

ALGEBRA 2URGENT!!!!! 70 POINTS PLZ HELP

Mathematics

1 answer:

Marysya12 [62]3 years ago

4 0

Answer: z=x+2

Step-by-step explanation:

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The radius of a softball is 3.75 cm, and the radius of a table tennis ball is 2 cm. The volume of the softball is how many times

Natali5045456 [20]

Answer:

The volume of the softball is 6.6 times the volume of the tennis ball

Step-by-step explanation:

we know that

The volume of a sphere is equal to

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

step 1

Find the volume of the softball

we have

$r=3.75\ cm$

substitute

$V=\frac{4}{3}(3.14)(3.75)^{3}=220.8\ cm^{3}$

step 2

Find the volume of the tennis ball

we have

$r=2\ cm$

substitute

$V=\frac{4}{3}(3.14)(2)^{3}=33.5\ cm^{3}$

step 3

Divide the volume of the softball by the volume of the tennis ball

$220.8\ cm^{3}/33.5\ cm^{3}=6.6$

therefore

The volume of the softball is 6.6 times the volume of the tennis ball

<em>Alternative Method</em>

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

The scale factor is equal to the ratio of its radius

$\frac{3.75}{2}=1.875$

therefore

The scale factor elevated to the cube is

$1.875^{3}=6.6$

therefore

The volume of the softball is 6.6 times the volume of the tennis ball

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3 years ago

Which of the following is FALSE? The diagonals of a parallelogram bisect each other. The diagonals of a rhombus bisect each othe

WINSTONCH [101]

The diagonals of rhombus bisect each other

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4 years ago

Read 2 more answers

What is -9+8x=-10y equals

dlinn [17]

Your answer would be Y=-8x-9/10

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3 years ago

(ab+8a+1)-(-6ab+4) help me&we could help eachother

allsm [11]

To simplify this expression, first you would have to distribute the negative or subtraction throughout the second group of parentheses.

After we do this, we get the simplified expression:

ab + 8a + 1 + 6ab - 4

Now, we must simplify like terms, meaning combine the terms that have the same variable.

7ab + 8a - 3

That is your final answer ^^^

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3 years ago

While hiking, Tristan ate 2 4/5 cups

nekit [7.7K]

Answer:

exact form = $\frac{13}{10}$