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AleksandrR [38]
3 years ago
8

TWENTY PTS!!!

Mathematics
1 answer:
Elan Coil [88]3 years ago
7 0

Answer:

1.

d + 7 > (7d + 3)/3

3d + 21 > 7d + 3

18 > 4d

d < 18/4

d < 9/2

d < 4.5

2.

36 - 2n < 1/3 * n + 15

36 - 15 < 2 1/3 * n

21 < 7/3 * n

21 * 3/7 < n

9 < n

n > 9

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A painter charges $15.53 per hour, plus an additional amount for the supplies. If he made $157.80 on a job where he worked 5 hou
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Answer:

$80.15

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We can make an equation to solve this problem, that helps a lot. If h represented hours, we could make the equation 15.53h+s=157.8

Now we know that he worked 5 hours, so we can multiply 15.53 by 5 to simplify the equation.

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Hope this helps!

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A killer whale weighs 4.6 tons. Convert the weight to pounds.
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Is 0.21 smaller or bigger than a half?
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Answer:

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