2 years ago

Please help with this question

Mathematics

1 answer:

Kamila [148]2 years ago

7 0

Answer:

Step-by-step explanation:

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Multiply 7 by 9 and you will get 63 which is x.

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Step-by-step explanation:

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Variable y varies directly with variable x, and y = 6 when x = 9.

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The lateral area of a right cylinder which has a base diameter of 12 cm and a height of 8 cm is?

garik1379 [7]

Answer:

$A = 301.59\ cm^2$ or $A=96\pi\ cm^2$

Step-by-step explanation:

The lateral area of a cylinder is calculated by the following formula

$A = 2\pi r * h.$

Where r is the radius of the right cylinder and h is the height

In this case we know that the diameter d of the cylinder is

$d=2r\\\\r=\frac{d}{2}\\\\r=\frac{12}{2}\\\\r=6\ cm$

$h=8\ cm$

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$A = 2\pi*6 * 8.$

$A = 96\pi$

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3 years ago

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