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Marrrta [24]
2 years ago
15

To get from the post office to the library, Sindy walked due north and then due east. The distance Sindy walked east is 20 meter

s more than the distance she walked north. If Sindy were able to walk directly from the post office to the library in a straight line, she would have walked 150 meters. Suppose x represents the distance Sindy walked north. Which equation can be used to find x?
x^2 (x 20)^2=150^2
202=x^2-150^2
x (x 20)=150
x^2 (x 150)^2=20^2

Mathematics
2 answers:
Sidana [21]2 years ago
7 0
Technically, none of the equations.

The equation you're looking for would be:

x²+(x+20)²=150²


Vikentia [17]2 years ago
7 0

Answer:

x² + (x + 20)² = 150²

Step-by-step explanation:

Sindy walked x meters in north and then x+20 meters toward east. If Sindy were able to walk directly from the post office to the library directly in a straight line, the distance she would have walked 150 meters.

Thus Sindy forms a right angle triangle as in the figure attached.

From Pythagoras theorem

x² + (x + 20)² = 150²

This is the equation we can use to find x.

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