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Mice21 [21]
3 years ago
14

Ratio of two volume cylinders (Geometry)

Mathematics
2 answers:
Kazeer [188]3 years ago
5 0
V1 = π* ( r1)^2 * 75;
V2 = π* ( r2)^2 * 25;

V1/V2 = (r1/r2)^2 * 3.

Masteriza [31]3 years ago
3 0
The ratio of the lengths is 75 : 25 or 3 : 1 

The ratio of and area is the square of this: ie 9 : 1 or 75^2 : 25^2
(In working out the area the radius is squared)

The ratio of the volumes is the cube of this: ie 27 : 1 or 75^3 : 25^3
(In working out the volume the radius is cubed)

Hopefully this explains it

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For her presentation on the Wonders of the World, Mary baked a square pyramid-shaped cake as pictured below. The slant height of
miskamm [114]

Answer:

volume = 195.52 in³

Step-by-step explanation:

given data

slant height of the cake = 10 inches

base length =  8 inches

solution

we know that volume pyramid is express as

volume = \frac{A^2\times h}{3}    ..............1

here

we use pythagoras for height

hypotenuse² = side1² + side2²    

put here value with other side is half of a square side

10² = h² + 4²

solve it we get

h = 9.165 in

so put here value in equation 1 we get

volume = \frac{8^2\times 9.165}{3}  

volume = 195.52 in³

6 0
3 years ago
A rectangle has a perimeter of 102 ft and a length of 40 ft. Find the width of the rectangle.
vagabundo [1.1K]
The width is11ft
hope that helps
5 0
3 years ago
Give the difference of 8/13​ and 5/13<br><br> A. 3/13<br> B. 8/13<br> C. 5/13
nikitadnepr [17]

Answer:

3/13

Step-by-step explanation:

8/13 subtract by 5/13. If the denominator is the same, you keep it, don't change it. Just subtract the numerator.

Make sure to simplify, if it is already simplified that will be the answer.

5 0
2 years ago
Read 2 more answers
What two numbers add to +5 and have a product of -3?
Tasya [4]
They don't come out even.
As rounded decimals, the two numbers are

<em>5.54138...</em>  and  <em>-0.54138...</em>


6 0
3 years ago
The sum of a number and 9 is -30
GrogVix [38]

-39+9=-30

-39 is your answer.

4 0
4 years ago
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