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Anna [14]
2 years ago
7

What the answer fast pls

Mathematics
1 answer:
Marrrta [24]2 years ago
7 0

Answer:

x= 20 and y= 12

Step-by-step explanation:

nickel is 5 cents and quarter is 25 cents,

let x be number of nickels and y be number of cents

x+y = 32

5x + 25y = 400

you get x= 20 and y= 12

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LekaFEV [45]
<h3><u>Explanation</u></h3>
  • Convert the equation into slope-intercept form.

y = mx + b

where m = slope and b = y-intercept.

What we have to do is to make the y-term as the subject of equation.

9x - 3y = 15 \\ 9x - 15 = 3y \\  \frac{9x - 15}{3}  = y

  • Simplify

\frac{9x}{3}  -  \frac{15}{3}  = y \\ 3x - 5 = y  \\ y = 3x - 5

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<h3><u>Answer</u></h3>

\large \boxed {slope = 3}

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ExtremeBDS [4]
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A rocket is launched from ground level. The height of the rocket can be
abruzzese [7]

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Can someone PLEASE help me. I really don't know...
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