3 years ago

Pleaaseee explain !!

Mathematics

1 answer:

lesantik [10]3 years ago

6 0

Answer:

Step-by-step explanation:13+51=64

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The density of air is approximately 1.225 kg/m^3 what is the volume of a soccer ball if the mass of the air it contains is 0.08

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Using the the density(D)-mass(m)-volume(V) formula $m=DV$ , we can calculate the volume $V= \frac{m}{D}= \frac{0.08}{1.225}= 0.0653 m^{3}$

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3 years ago

A cone and a sphere both have a radius of 1. If you fill the cone with liquid, and pour it into the sphere, it fits exactly. Wha

PtichkaEL [24]

Answer and Step-by-step explanation:

First, solve for the volume of the sphere, then solve for the height of the cone using the volume of the sphere (which is said to be equal to the volume of the cone) and the radius given.

Volume formula of Sphere

V = $\frac{4}{3} \pi r^2$

Substitute 1 in for r

$\frac{4}{3} \pi (1)^2 = \frac{4}{3} \pi = 4.189$ = Volume

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Volume formula for Cone: $V = \pi r^2\frac{h}{3}$

Solve for h

Multiply both sides by 3, then divide by pi and r^2.

$h = \frac{3V}{\pi r^2}$

Plug in the volume and the radius.

$h = \frac{3(4.189)}{\pi (1)^2}$

Simplify

$h = \frac{12.567}{\pi }$

h ≈ 4

4 is approximately the height.

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3 years ago

Please HELP ME PLEASE PLEASE PLEASE PLEASE

Lubov Fominskaja [6]

Answer:

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