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3 years ago

What is the surface area of a sphere with a diameter of 14 cm?

Mathematics

1 answer:

Anika [276]3 years ago

3 0

9514 1404 393

Answer:

Step-by-step explanation:

The surface area of a sphere is given by ...

A = 4πr² . . . . where r is the radius, half the diameter

A = 4(3.14)(7 cm)² = 196(3.14) cm² = 615.44 cm²

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3 years ago

How many solutions does 9x+5=9x+7

Troyanec [42]

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There are 0 solutions to this problem because it cannot be re-arranged logically enough to come to a new conclusion.

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2 years ago

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Draw the image of the following segment after a dilation centered at the origin with a scale factor of 2/3

Irina18 [472]

Answer:

Step-by-step explanation:

Let the ends of the given segment are A and B.

Coordinates of A → (8, 6)

Coordinates of B → (12, 12)

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By this rule coordinates of the image points of A and B will be,

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Now we can get the image of segment AB after dilation by a scale factor of $\frac{2}{3}$ .

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3 years ago

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4 years ago

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Eduardwww [97]

Answer:

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Step-by-step explanation:

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3 years ago