3 years ago

Enter the number that belongs in the green box

Mathematics

1 answer:

Vlada [557]3 years ago

5 0

Answer:

X=90

Step-by-step explanation:

x=90 because it is a right angle.

hope that helps!

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PLEASE HELP: The mass of a ball is 128 g. It has a density of 0.5 g/cm³. What is the volume of the ball? Show your work and plac

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Answer:

Part 1) The volume of the ball is 256 cm³

Part 2) The radius of the ball is 3.94 cm

Step-by-step explanation:

Part 1) we know that

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D=m/V

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The volume is equal to divide the mass by the density

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In this problem we have

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D=0.5 g/cm³

substitute

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we know that

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we have

$V=256\ cm^{3}$

assume

$\pi =3.14$

substitute and solve for r

$256=\frac{4}{3}(3.14)r^{3}$

$768=(12.56)r^{3}$

$r^{3}=768/(12.56)$

$r=3.94\ cm$

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