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Mademuasel [1]
3 years ago
12

Opening Exercise

Mathematics
1 answer:
Jobisdone [24]3 years ago
4 0

Answer:

100% of 180 = 180

25% of 180 = 45

-75% of 180 = -135

37.5% of 180 = 67.5

Step-by-step explanation:

I looked them up on an app so I hope its right!

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Paraphin [41]

Answer:

hotdog $1, and hamburger $2

Step-by-step explanation:

D-is hot dogs, H-hamburgers

7D +4H = 15

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we got 2 equations with 2 unknown so we can solve

7D +4H = 15 multiply by 7

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-16D -28H = -72     add the two equations

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go back to the first equation:

7*1 +4H =15 gives us 4H = 15-7; 4H = 8 so H= $2

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Answer/Step-by-step explanation:

Each square would be about 0.78 by 0.78

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