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CaHeK987 [17]
3 years ago
10

A radio telescope array is in an unpopulated desert region. The array covers a rectangular area that is one fourth square kilome

ter. The array is one twelfth kilometer wide. How long is the​ array? The array is [blank] kilometers long.
Mathematics
1 answer:
kramer3 years ago
3 0

Answer:

  3 km

Step-by-step explanation:

The area of a rectangle is given by the formula ...

  A = LW

Filling in the given information, we can solve for the length.

  1/4 = L·(1/12)

Multiplying by 12, we see that ...

  3 = L

The array is 3 kilometers long.

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