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Blababa [14]
3 years ago
11

Please Help me with my Math question!

Mathematics
2 answers:
iris [78.8K]3 years ago
8 0
C= 8x + 5y
y-number of child tikets
C-8x= 5y
(C-8x)/5 =y
First option from up to down
ryzh [129]3 years ago
8 0

The first answer should be correct if you used literal equations. You first start off with c = 8x + 5y. To make it easier, if you move the c= to the other side, you'd get 8x + 5y = c. Then, you subtract 8x on both sides leaving you with 5y = c - 8x. Last, you would divide c - 8x by 5, which leaves you with you final answer of     y=(c-8x)/5

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The length of a rectangle is three times its width. if the area of the rectangle is 75 in2, find its perimeter.
UkoKoshka [18]

Answer:

  40 in

Step-by-step explanation:

For a width of w, the length is 3w and the area and perimeter are ...

  A = LW = (3w)(w) = 3w^2

  P = 2(L+W) = 2(3w +w) = 8w

We are given the area, so we can find w to be ...

  75 in^2 = 3w^2

  25 in^2 = w^2 . . . . . divide by 3

  5 in = w . . . . . . . . . square root

Then the perimeter is ...

  P = 8w = 8(5 in) = 40 in

7 0
2 years ago
Tiffinay plans to use 275 dollars. She wants to buy 3 pants for 42 each and 5 shirts for 27 dollars each she will pay taxs it wi
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Answer:

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Step-by-step explanation:

$42 × 3 = $126

$27 × 5 = $135

$126 + $135 = $261

$275 - $261 = $14

$14 - $6.50 = $7.50

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3 years ago
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Read 2 more answers
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