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valkas [14]
2 years ago
12

At a benefit​ concert, seven bands have volunteered to perform but there is only enough time for five of the bands to play. How

many lineups are​ possible?
Mathematics
1 answer:
Artist 52 [7]2 years ago
8 0
I believe the answer is 35.
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System OT<br> W + b =13<br> 6.5w + 2b = 57.5
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Answer:   w = 7,  x = 6

Step-by-step explanation:  Solve by substitution

W + b = 13

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6.5w - 2w = 57.5 - 26

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7 + b = 13 . Subtract 7 from both sides

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Step-by-step explanation:

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In Mathematics, x and y are examples of variables.

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Step-by-step explanation:

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