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Crazy boy [7]
3 years ago
8

A girl has 11 coins in dimes and quarters. Their value is $1.55. How many quarters does she have?

Mathematics
1 answer:
kolbaska11 [484]3 years ago
8 0

Answer:     3 quarters

Step-by-step explanation:

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Step-by-step explanation:

Coordinates of midpoint are ( \frac{x_{1} +x_{2} }{2} , \frac{y_{1} +y_{2} }{2} )

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( 4 + y ) / 2 = - 6 ⇒ y = - 16

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Step-by-step explanation:

First, you need to know that a square has four equal sides, and that finding the area of a square means multiplying one side by another side. This means that if you know the area of the square, all you have to do is find the square root of the area to find a side length. So, by using a calculator, you can find that the square root of 100 is 10, which is the length of one side of the square.


8 0
3 years ago
Read 2 more answers
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hope this helps


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