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Alenkasestr [34]

2 years ago

8

Which expression below is equivalent to 4/5(1 1/4x + 3 1/3 )

1 answer:

zysi [14]2 years ago

4 0

First, change the mixed numbers into improper fractions: 1 1/4 —> 5/4 and 3 1/3 —> 10/3

rewrite equation: 4/5(5/4x + 10/3) and then distribute to 4/5(5/4x) + 4/5(10/3) = 20/20x + 40/15

simplify the sum: x + 8/3

convert 8/3 to a mixed number: 2 2/3

final answer: B. x + 2 2/3

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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

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

$h=8\ cm$

Therefore the lateral area is:

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

$A = 96\pi$

$A = 301.59\ cm^2$

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artcher [175]

Answer:

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Answer:

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Step-by-step explanation:

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