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leva [86]
3 years ago
15

PLEASE HELP IM STUCK!

Mathematics
1 answer:
Rzqust [24]3 years ago
7 0

Answer:

3(7+3m)=84

21+9m=84

9m=63

m=7

Step-by-step explanation:

hope it helps

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Of the 100 students in the science club, 65 take mathematics, 43 take physics and 10 students take both mathematics and physics.
jonny [76]

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12

Step-by-step explanation:

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4 0
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Write the equation in the form Ax + By = C. Find an equation of a line passing through the pair of points (-7,3) and (-8,-9).
Illusion [34]

Answer:

  12x -y = -87

Step-by-step explanation:

You can start with the 2-point form of the equation of a line and manipulate it to give you the standard form.

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

  y = (-9 -3)/(-8 -(-7))(x -(-7)) +3

  y = (-12/-1)(x +7) +3

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  -12x +y = 87 . . . . . subtract the x-term

  12x -y = -87 . . . . . . make the leading coefficient positive (per standard form)

3 0
3 years ago
A function C(x) = 8x + 15 represents the cost C. in dollars of producing x, T-shirts for
Alborosie

Answer:

The cost of producing 60 t-shirts is $495.

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Step-by-step explanation:

If we producing 60 t-shirts, then we plug in 60 for the x, which x represents t-shirts for the marching band.

C(x) = 8x + 15

C(x) = 8(60) + 15

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If the cost of the t-shirts is 303, we plug in 303 for the cost,C(x).

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303 = 8x + 15

288 = 8x

x = 36

4 0
3 years ago
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