PLEASE HELP I'M BEING TIMED!!!!

Mathematics

2 answers:

Kryger [21]2 years ago

7 0

Answer:

Step-by-step explanation:

Helga [31]2 years ago

3 0

6.3
use the equation 4/3 *r^3 *pi for each, then find the difference

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If it diameter we’re reduced by half it’s volume would be

marishachu [46]

Well lets work it out.
Diameter = 2 * Radius
Diameter * 1/2 = 1/2 * 2 * Radius
That would mean that the Radius would also be halved.
(1/2 * Radius)^2 * pi * height = volume, and 0.5^2 = 1/4, so its volume is reduced by a fourth

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2 years ago

A car cover a distance 300 miter in 50 second How much distance a car covers in 1 second

vovikov84 [41]

Divide total distance by total seconds:

300 meters / 50 seconds = 6 meters per second.

Answer: 6 meters

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2 years ago

Which monomial is a perfect cube? 49p9q3r24 81p12q15r12 121p9q3r6 343p6q21r6.

Makovka662 [10]

The monomial is a perfect cube is $\rm 343p^6q^{21}r^6$ .

<h3>Perfect cubes;</h3>

Perfect cubes are the numbers that are the triple product of the same number.

We have to determine

Which monomial is a perfect cube?

A perfect cube monomial must have three identical roots, such that the product of the roots equals the perfect square monomial.

It must be possible for the coefficient of a perfect cube monomial to be written in the form n3, where n equals the cube root of the coefficient.

A perfect cube monomial must have exponents on the variables.

Then

The monomial is a perfect cube is;

$\rm= 343p^6q^{21}r^6\\\\= \sqrt[3]{ 343 }= 7$