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lisabon 2012 [21]
3 years ago
9

Don’t understand how to do this...help would be greatly appreciated:)

Mathematics
1 answer:
tankabanditka [31]3 years ago
7 0

Answer:

You have to substitute the variables

Step-by-step explanation:

For example #3

you will substitute y for 0 and you will substitute x for 2

first equation: 0 = 2-2

second equation: 0=-3(2) +6

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Answer:

by moving the decimal in both numbers twice to the right and doing normal long division (the decimal in 3 is at the end) to get the answer of 0.72

3 0
3 years ago
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AfilCa [17]
My late response (haha): First, you would write a proportion.

Step 1: 2496 over 48 = x over 31
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Step 2: Cross multiply
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Step 3: Calculate
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Step 4: Divide both sides by 48
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Step 5: Write it as a sentence 
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Hope that helped! Good luck! :]
4 0
3 years ago
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6 0
2 years ago
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