3 years ago

Question 1 of 10

Mathematics

1 answer:

anastassius [24]3 years ago

8 0

Answer:

I believe it's A

Step-by-step explanation:

I'm not sure sorry if its wrong

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The total surface area of a right circular cylinder is 84 pie cm square and the altitude is 11 cm .find the radius of the base

djyliett [7]

Answer:

use the formula r = square root of (V / (pi x h))

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3 years ago

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The length of a rectangle is one unit shorter than one-sixth of the width x which expression represents the perimeter of the rec

wlad13 [49]

Hi,

L = (1/6)x - 1

P = 2x + 2L = 2x + (2/6)x - 2

P= (7/3)x - 2

x being the width.

Hope this helps!

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3 years ago

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The length of a rectangle is 4 centimeters more than twice its width of the perimeter of the rectangle is 86centimeters find the

lana66690 [7]

Answer:

$Width= 13 cm$

$length=30cm$

Step-by-step explanation:

Let the length of the rectangle be 'L'

And the width of the rectangle be 'W'

$Perimeter= 86 cm$

According to the statement:

$Length= 2*Width+4\\L=2W+4$

Perimeter of a rectangle= 2(Length+Width)

$86=2(2W+4+W)\\86/2=3W+4\\43=3W+4\\3W=43-4\\3W=39\\W=39/3\\W=13 cm\\\\Length(L)=2W+4\\=2(13)+4=26+4=30 cm\\Length=30 cm$

$Width= 13 cm$

$length=30cm$

6 0

3 years ago

This is for extra credit

ivolga24 [154]

Answer:

Step-by-step explanation:

its to blurry what does it say so i can help

5 0

3 years ago

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14 plus 5(x plus 3) minus 7

Damm [24]

14+5(x+3)-7
14+(5x+15)-7
7+5x+15
5x+22

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3 years ago