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FromTheMoon [43]
3 years ago
14

Help please solve for y

Mathematics
2 answers:
Bingel [31]3 years ago
8 0
You get 2,5 like the dude on top said
murzikaleks [220]3 years ago
5 0

you have take the two x problems add them and then you take both ys and you should get a answer after that take the answer ur given and divide it by the answer you get from 2,-5

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Mr. Williams can grade 50 essays in 7 hours. His assistant, Mr. Wilfred, can do the same job in 14 hours. His other assistant, M
Elza [17]

Answer:

13.44 or 13 11/25 hours

Step-by-step explanation:

First use this format: number of essays/hours

- they are asking if all three work together, how many hours would it take, so this means addition:

50/7 + 50/14 + 25/6 = 200/x

Second, solve:

- least common multiple: 42

300/42 + 150/42 + 175/6 = 200/x

625/42 = 200/x

- cross-multiply

625x = 8,400

x = 336/25 = 13 11/25 = 13.44 (any one of these answers would work)

5 0
3 years ago
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Step-by-step explanation:

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900 + b^2 = 2500

-900              -900

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3 0
3 years ago
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gregori [183]

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Step-by-step explanation: You multiply $85 by .2 to get this answer.

7 0
3 years ago
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Orlov [11]

Answer:

Keith does.

Step-by-step explanation:

2250/60=37.5

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How many possible combinations of 6 numbers?
enot [183]
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