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Nonamiya [84]
3 years ago
11

Help.

Mathematics
1 answer:
prisoha [69]3 years ago
5 0

Answer:

A. -3x^3 + 2x^2 +13x - 10

Step-by-step explanation:

Multiply each term in the first expression by each term in the second expression and combine like terms.

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Tiffany wants to calculate the volume of her globe. The globe is in the shape of a sphere. She measured the circumference of the
Elis [28]

Answer:

<h2>231in^3</h2>

Step-by-step explanation:

We know that the volume of a sphere/globe is given as

V=4 /3πr^3

but the circumference is expressed as

C=2πr

solving for r given  that C=24

24=2*3.142r

24=6.284r

r=24/6.284

r=3.8in

put r=3.6 in the expression for volume we have

V=4 /3π(3.8)^3

V=4 /3π(55

V=(220.59*3.142)/3

V=693.12/3

V=231in^3

The volume of the globe is 231in^3

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