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Gnesinka [82]
3 years ago
11

Please help me 7th grade math operations with rational numbers

Mathematics
1 answer:
Katena32 [7]3 years ago
5 0
1. Stock Market:
If a stock price decreased $2 per day for four days, then the total change in value of the stock is $8. (2 x 4)
Answer: $8.

2. Evaporation:
With the given information, we can infer that if 3 inches of water in a tank decreases each week, then 15 inches of water would decrease over the course of 5 weeks. (3 x 5)
Answer: 15 inches.

3. Football:
If a football team lost 9 yards on 3 consecutive plays, then the team's total change in position is 27 yards. (9 x 3)
Answer: 27 yards.

Hope this helps! Good luck.
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Mr. Lin received a box of books in the shape of a rectangular prism. The volume of the box is 486 in 3. What is the width of the
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Answer:

W = 9 inches.

Step-by-step explanation:

The volume of a rectangular prism is given by

V=whl

Where

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It is not mentioned that a box has a length of 18 inches and a height of 3 inches.

Using above formula.

486=w\times 18\times 3\\\\486=54w\\\\w=9\ \text{inches}

So, the width of the box is 9 inches.

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3 years ago
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Step-by-step explanation:

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Please help me out :((
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131 and 49 degrees

Step-by-step explanation:

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