3 years ago

Plsss help mee xoxox

Mathematics

1 answer:

Oduvanchick [21]3 years ago

4 0

Answer:

length is 20, so width would be 16

Step-by-step explanation:

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Akimi4 [234]

Question 10
30-2=28

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120*2= 240

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Area = 352 square feet
Question 11
Volume = pi*r*r*h
=3.142*2.5*2.5*0.5
= 9.817
From the choices the answer is
D. 9.8 cubic ft

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3 years ago

Need help on this, what is the correct name for this number?

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Answer:

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3 years ago

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Find the Surface Area and Volume of Sphere with radius 12 cm.

Gnom [1K]

$Radius:r=12cm\\\\Surface\ area:\\A=4\pi r^2\to A=4\pi\cdot12^2=4\pi\cdot144=576\pi\ (cm^2)\\\\Volume:\\V=\frac{4}{3}\pi r^3\to V=\frac{4}{3}\pi\cdot12^3=\frac{4}{3}\pi\cdot1728=4\pi\cdot576=2304\pi\ (cm^3)$