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3 years ago

What is tge total surface area of a solid sphere of diameter 14cm

Mathematics

1 answer:

Alborosie3 years ago

7 0

The surface area of a sphere of radius r is A = 4π*r^3.

Since the radius in this case is 7 cm (half the 14 cm diameter), the area of this sphere is

A = 4π(7 cm)^2, or 196π cm^2.

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V125BC [204]

Answer:

% increase = $\frac{\text{ Increased number -Original number }}{\text{Original number}} \times 100\%$

% decrease = $\frac{\text{ Original number - Decreased number }}{\text{Original number}} \times 100\%$

Step-by-step explanation:

Percentage Increase:

Let there be an original number. If it increased to a certain value we can calculate the percentage increase value with the help of following formula:

% increase = $\frac{\text{ Increased number -Original number }}{\text{Original number}} \times 100\%$

Percentage Decrease:

Let there be an original number. If it decreases to a certain value we can calculate the percentage decrease with the help of following formula:

% decrease = $\frac{\text{ Original number - Decreased number }}{\text{Original number}} \times 100\%$

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3 years ago

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rodikova [14]

Answer:

b = 7

Step-by-step explanation:

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4 years ago

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xenn [34]

Answer:

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Step-by-step explanation:

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3 years ago

If 1 inch represents 65 miles on a map, then how many inches will represent 2210 miles?

Talja [164]

Answer:

Step-by-step explanation:

2210 / 65 = 34. There is no further explanation

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2 years ago

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Marina86 [1]

Answer:

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Step-by-step explanation:

A straight line/angle is 180 degrees so subtract 42 degrees from that to get 138 degrees.

I explained as best and simple as I could, I hope I helped!!!

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