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Sergeeva-Olga [200]
2 years ago
8

The area of a circular wave expands across a still pond such that its radius increases by 8cm each second. Write a formula for t

he area A of the circle as a function of time t since the wave begins:
A=

Mathematics
2 answers:
Oksana_A [137]2 years ago
7 0

Answer:

In photo below

Explanation:

In photo below

dedylja [7]2 years ago
4 0

Answer:

A(t) = π(8t)²

Step-by-step explanation:

Radius of a circular wave increases by 8 cm each second.

Every second radius of circular wave so the sequence of increase in radius will be,

8, 16, 24, 32.........(8t)

Here 't' = time

Since, area of a circle = πr²

Therefore, area of the circular wave after 't' seconds since the wave begins,

A(t) = π(8t)²

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