3 years ago

Simplify the expression pls :(

Mathematics

1 answer:

gulaghasi [49]3 years ago

7 0

The answer is 68 because 11 - 3 is 8 and 8 squares is 64 and 64 + 4 is 68.

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The Candle Factory is producing a new candle. It has a radius of 3 inches and a height of 5 inches. What is the surface area of

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Answer:

87.92 square inches

Step-by-step explanation:

Surface area for cylinder is given by $2\pi r^2 + 2\pi rh$

where r is the radius and h is the height of cylinder.

Given that candle is cylindrical in shape

Thus, Surface area for candle is calculated as given below\\

$Surface / area \ for \ candle = 2\pi r^2 + 2\pi rh\\=>Surface / area \ for \ candle = 2*3.14*3^2 + 2*3.14*5\\=>Surface / area \ for \ candle = 2*3.14*3^2 + 2*3.14*5 = 56.52 + 31.4\\=>Surface / area \ for \ candle = 56.52 + 31.4 = 87.92$

Thus, total surface area for candle is 87.92 square inches.

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3 years ago

Next week, Josephine wants: to spend the same total amount of time, but practice the same number of hours each of the 4 days. Ho

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I got the same question on Khan Academy. I was going to ask that too but saw that you already did. Maybe try to point it out to someone else on Brainly. Sorry that I could not help.

Step-by-step explanation:

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2 years ago

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