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pashok25 [27]
3 years ago
12

I need to replace the carpet for my bedroom floor and the supplier wants to

Mathematics
2 answers:
I am Lyosha [343]3 years ago
6 0

Answer:

D. 120 square feet

Step-by-step explanation:

12×10=120

120 square feet

AysviL [449]3 years ago
5 0

Answer:

D) 120 square ft

Step-by-step explanation:

If he wants to know the area you just multiply 10 by 12 which is 120

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You can write three equations in the numbers of nickels (n), dime (d), and quarters (q).
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The collection includes 11 nickels, 7 dimes, and 5 quarters.

_____
I used the matrix function of my calculator to solve these equations. You can find q by subtracting from the last equation five times the sum of the first two equations.
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From the second equation,
  d = q +2 = 7
And from the first,
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