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ruslelena [56]
3 years ago
9

X+109 and x+89 what is x they need to be the same number when finished

Mathematics
1 answer:
const2013 [10]3 years ago
7 0

Answer:

Set them equal to each other and solve for X

Step-by-step explanation:

x+109=x+89

Subtract 109 from 89

x=-20

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Two workers finished a job in 12 days. How long would it take each worker to do the job by himself if one of the workers needs 1
FromTheMoon [43]

Answer:

20 days

Step-by-step explanation:

t = time required by one worker to complete the job alone

(t+8) = time required by the other worker

So:

7.5/ t + 7.5/ (t + 8) = 1

Solve for t.

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t = 12 days, the first guy working alone

The other worker would finish the job in 20 days.

4 0
3 years ago
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ladessa [460]

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Step-by-step explanation:

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3 years ago
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Ede4ka [16]
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5 0
3 years ago
At the market, 7 apples cost $4.55. How much do 9 apples cost?
Dvinal [7]
7 apples = 4.55
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6 0
3 years ago
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you and 3 friends go to lunch and ordered nachosthat cost 10.30. each person also orders a soda at 1.50. write an equation to sh
kicyunya [14]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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