The area of a circular base of the larger cylinder is 81π. The area of a circular base of the smaller cylinder is 9π.

Mathematics

2 answers:

Burka [1]3 years ago

7 0

Answer: A & C

The dimensions of the larger cylinder are 3 times the dimensions of the smaller cylinder.

If proportional dimensional changes are made to a solid figure, then the surface area will change by the square of the scale factor of similar solids.

Step-by-step explanation:

SSSSS [86.1K]3 years ago

6 0

Answer:

A: The dimensions of the larger cylinder are 3 times the dimensions of the smaller cylinder.

C: If proportional dimensional changes are made to a solid figure, then the surface area will change by the square of the scale factor of similar solids

Step-by-step explanation:

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andreyandreev [35.5K]

Answer:

Step-by-step explanation:

She finds her average resting heart rate to be 62 after 5 days.

That means, average of the 5 heart rate pulse=62

If the last day was 58 and all the other days were the same.

Let x be her pulse on the other days,

Then,

$Average, 62=\dfrac{58+4x}{5}\\\text{Cross Multiply}\\58+4x=62 X 5\\\text{Suntract 58 from both sides}\\4x=(62X5)-58\\4x=310-58\\4x=252\\\text{Divide both sides by 4}\\x=63$