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IRISSAK [1]
4 years ago
5

CAN SOMEONE PLEASE HELP ME WITH THIS​

Mathematics
1 answer:
Wewaii [24]4 years ago
8 0

Answer:

V≈335

Step-by-step explanation:

V= πr2(h/3)

The radius, r, is 8mm and the height, h, is 5mm. Then solve π8x2(8/3) which is 335.1 then round to a whole number and that's your answer.

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What expression represents the volume of the cone in cubic units
AleksAgata [21]

Answer:

Volume=\frac{2}{3} \, \pi \,x^3  which agrees with the first answer listed among your options

Step-by-step explanation:

Volume of cone: \frac{1}{3} Base\,*\,height

So in our case:

1) Base s a circle, of radius "x" then the surface of this is: Area = \pi \,r^2 =\pi\,x^2

2) the cone's height is "2x"

Therefore the cone's volume is: Volume=\frac{1}{3} \pi x^2\,(2x)=\frac{2}{3} \, \pi \,x^3

7 0
3 years ago
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A car's velocity is modeled by
Igoryamba

In accordance with the function <em>velocity</em>, the car will have a complete stop after 6 seconds.

<h3>When does the car stop?</h3>

Herein we have a function of the velocity of a car (v), in feet per second, in terms of time (t), in seconds. The car stops for t > 0 and v = 0, then we have the following expression:

0.5 · t² - 10.5 · t + 45 = 0

t² - 21 · t + 90 = 0

By the <em>quadratic</em> formula we get the following two roots: t₁ = 15, t₂ = 6. The <em>stopping</em> time is the <em>least</em> root of the <em>quadratic</em> equation, that is, the car will have a complete stop after 6 seconds.

To learn more on quadratic equations: brainly.com/question/2263981

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8 0
2 years ago
A number to the 8th power divided by the same number to the 5th power equals 27. What is the number?
Yuliya22 [10]

x^8/x^5=27

x=3 when you flip the equation (rounded number)


7 0
3 years ago
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A roof is shaped like a cone with a diameter of 12 feet. One bundle of shingles covers 32 square feet. How many bundles should y
max2010maxim [7]

Answer:

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Step-by-step explanation:

We know that the total area of a cone is:

A = Pi * r * (r + g), let g be the generatrix.

The radius is half the diameter, therefore, 12/2 = 6 feet.

Replacing:

A = 3.14 * (6) * (6 + g) = 113.04 (6 + g) square feet.

To know the total number of tiles package, we must divide the area of the cone by the area occupied by a package. So:

113.04 (6 + g) / 32

The problem statement does not have a height or the value of the generatrix therefore it is not possible to calculate the number of packages.

3 0
3 years ago
You buy butter for $3 a pound one portion of onion compote requires 1.6 oz of butter how much does the butter for one portion co
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Answer:

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