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mihalych1998 [28]
3 years ago
5

PLEASE HELP

Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0

9514 1404 393

Answer:

  60 meters

Step-by-step explanation:

The area of Square B is the difference of the areas of squares C and A, so is 225 square meters. The side length is √225 = 15 meters, so the sum of the lengths of the four sides is 4·15 = 60 meters.

The perimeter of square B is 60 meters.

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Use the number line below, where RS = 6y + 3, ST = 4y + 7, and RT = 60.​
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Step-by-step explanation:

RS + ST = RT

6y + 3 + 4y + 7 = 60

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       10y + 10   = 60

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ST = 4*5 + 7 = 20 + 7 = 27

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