How to find the length of the hypotenuse correct to one decimal place

If you are provided with the lengths of two sides a triangle, you can find the third side using the Pythagorean Theorem: .

Variable c represents the length of the hypotenuse, and variables a and b represent the lengths of the other two sides.

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let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt