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nlexa [21]
3 years ago
13

3x-x+4=10 I really need help please help me. Xoxo

Mathematics
1 answer:
Elena L [17]3 years ago
7 0
The answer to this question is x=3
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the time required to assemble computers varies directly as the number of computers assembled and inversely as the number of work
olga2289 [7]

Answer:

16 hours

Step-by-step explanation:

let t be time, n the number of computers and w the number of workers, then

t = \frac{kn}{w} ← k is the constant of variation

To find k use the condition n = 30, w = 6 and t = 10 , then

10 = \frac{30k}{6} ( multiply both sides by 6 )

60 = 30k ( divide both sides by 30 )

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When w = 5 and n = 40 , then

t = \frac{2(40)}{5} = \frac{80}{5} = 16 hours

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Step-by-step explanation:

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