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Lorico [155]
3 years ago
10

HELP! 15 pts!

Mathematics
1 answer:
Aleks04 [339]3 years ago
3 0

Answer: B

Step-by-step explanation:

To solve the system of equations, use substitution.

x+y =24

Subtract x on both sides

y=-x+24

We can now substitute -x+24 in for y in the second equation.

3x+5y=100

3x+5(-x+24)=100

Distribute the 5

3x-5x+120=100

Subtract the 120 on both sides

-2x=-20

Divide by 2 on both sides

x=10

Substitute 10 in for x in the first equation.

x+y=24

10+y=24

Subtract 10 inches on both sides

y=14

So there are 10 3point questions and 14 5 point questions, so choice B

Hope this helped!

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The equation which can be used to find the minimum or maximum amount, c, of chocolate chips that he can weigh out will be:

 |C-78|=2.5

<h3> What will be the end of semester test?</h3>

From the question, we have to determine the equation which can be used to find the minimum or maximum amount, c, of chocolate chips that he can weigh out.

  • From the question statement, we can easily the information that
  • Sam tends to use an industrial kitchen to bake several batches of his famous chocolate chip bars.
  • Also, it is mentioned that he needs to weigh out 78 ounces of chocolate chips, plus or minus 2.5 ounces.

Mathematically, it means:

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Hene, the reqired equation will be  :|C-78|=2.5

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