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Anarel [89]
3 years ago
8

ddle" class="latex-formula">
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Mathematics
1 answer:
MissTica3 years ago
6 0

Answer:

-3

Step-by-step explanation:

Basically it's like if you owe a dollar (-1), and then you owe 2 more dollars (-2), now you owe 3 dollars (-3).

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Please help me with this. Use the combination method of substitution to solve. Please show and explain work. Thanks.
Artemon [7]

Answer:

x = 25.35 (or 2129/84) and y = 4334.04 (or 121353/28)

Step-by-step explanation:

The given equations are set up and ready to go with substitution. Simply just plug in the first equation to the second equation as both are equal to y.

Step 1: Replace y in <em>y = 87x + 2129 </em>with <em>171x</em>

171x = 87x + 2129

Step 2: Subtract 87 x on both sides

84x = 2129

Step 3: Divide both sides by 84 to get x

x = 2129/84 or 25.35 (rounded)

To get y, simply plug in x into one of the 2 original equations. In this case, I will use the first equation:

y = 171 (25.35)

y = 121353/28 or 4334.04 (rounded)

You can check your work by plugging both solutions into the calculator and see if they equal each other. The values for these answers are solely based on the equations, so if you write the <em>equations </em>wrong themselves, then that means you have the values wrong as well.

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3 years ago
Everyone at camp takes turns being on lunch duty. You and your friend are in charge of making sandwiches. you both can make 1 sa
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Find the slope of the line passing through the points (-3,-8) and (5,6)
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Slope = (6+8) / (5+3)

Slope = 14/8

Slope = 7/4

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Answer: 75.5

I took the test and got it right.

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