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yuradex [85]
3 years ago
12

Express the formula P = 21 2w in terms of length,L. Use the new to find the length when the perimeter is 68 and the width is 13.

Mathematics
1 answer:
ElenaW [278]3 years ago
5 0

Answer:

  • l = P/2 -w
  • 21

Step-by-step explanation:

We know the perimeter formula to be ...

  P = 2L +2W

Dividing by 2 and subtracting W lets us write the formula for L:

  P/2 = L + W

  L = P/2 -W

__

For the given measurements, the length is ...

  L = 68/2 -13

  L = 21

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A movie theater charges $15 for standard viewing, $20 for 3D viewing, and $35 for Dinner and a
Ludmilka [50]

The quantity of each type of seats sold are as follows:

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According to the question,there are four times as many 3D, x seats as Dinner and a Movie, y seats.

That is, x = 4y

Also, total seats

= (x) + (y) + (z) = 3000...….............eqn(1)

Also, If the theater brings in $53,000 when tickets to all 3000 seats are sold.

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By substituting 4y for x in equations 1 and 2; we have;

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By solving equations 3 and 4 simultaneously; we have;

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and since x = 4y

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The quantity of each type of seats sold is as follows:

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Read more:

brainly.com/question/12413726

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3 years ago
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Answer:

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Answer:

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