2 years ago

Find the surface area of the pyramid.

Mathematics

1 answer:

zubka84 [21]2 years ago

3 0

Answer: 280.8

Step-by-step explanation:

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What is the surface area of a cylinder with base radius of 3 and height 8?

Darina [25.2K]

Answer:

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Step-by-step explanation:

SA= 2πrh+2πr²

SA= 2π x 3 x8 + 2π x 3x3

= 48π + 18π

=66π

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I think it’s C

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3 years ago

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ludmilkaskok [199]

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3 years ago

The graph of a proportional relationship passes through (12,16) and (1,y). find y

anastassius [24]

Answer:

4/3

Step-by-step explanation:

A proportional relationship is a relationship that crosses through the origin or (0,0). This means the slope of the line can be found by subtracting the points (12,16) and (0,0) in the slope formula.

$m = \frac{y_2-y_1}{x_2-x_1} =\frac{16-0}{12-0}= \frac{16}{12}=\frac{4}{3}$

So the slope is 4/3 and must be the value between any two points on the line.

This means the function moves from (0,0) to (1, 4/3).

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3 years ago