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3 years ago

What is the area of the lateral surface of the following cylinder?

Mathematics

2 answers:

Katyanochek1 [597]3 years ago

7 0

B is correct answer :)

NikAS [45]3 years ago

4 0

Surface Area = (2 • π • r²) + (2 • π • r • height)

(2 • π • r²) is surface area of the "ends"

(2 • π • r • height) is lateral area

Lateral Area = 2 * PI * 2 * 7

Lateral Area =28 * PI =

87.9645943005 square inches 
Answer is B

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3 years ago

What is the y intercept of 60x+55y=660 [with work shown]

adelina 88 [10]

Answer:

(11, 0)

Step-by-step explanation:

to find the y intercept, set y to 0.

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60x + 55 * 0 = 660

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4 0

3 years ago

Consider the figure. What is JL?

lisov135 [29]

The answer for the above mentioned problem is JL = 12.5

Step by step explanation:

Given:

JM = 8

KM = 6

To Find:

JL = ?

Formula to be used:

$KM^2$ = JM x ML

In order to find " JL" we must first find "ML",

$KM^2$ = JM x ML

$6^2$ = 8 x ML

36 = 8 x ML

36/8 = ML

ML = 4.5

Now JL = 4.5+8

= 12.5

Thus the value of JL = 12.5

3 0

3 years ago