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3 years ago

A picture has a height that is 2 times it’s width . It is to be enlarged to an area of 128 in 2

Mathematics

1 answer:

morpeh [17]3 years ago

8 0

9514 1404 393

Answer:

8 in by 16 in

Step-by-step explanation:

In your equation, we presume that x represents the width. Solving for x, we have ...

2x² = 128 . . . . . . given equation

x² = 64 . . . . . . . . divide by 2

x = √64 = 8 . . . . square root

The enlargement will be 8 inches by 16 inches.

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