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mixer [17]
11 months ago
14

Sean earns $7.00 per hour working after school. He needs at least $230 for a stereo system. Write and solve an inequality that d

escribes how many hours he must work to reach his goal.
Mathematics
1 answer:
Fofino [41]11 months ago
8 0

earnings = $7 per hour

He needs at least $230 . This means he needs an amount greater than or equals to $230.

let

t = hour many hours he works

Therefore,

7t\ge230\begin{gathered} 7t\ge230 \\ t\ge\frac{230}{7} \\ t\ge32.8571428571 \\ t\ge33 \end{gathered}

He needs to work approximately 33 hours or more to get at least $230 for his sterio. This means t is greater than or equals to approximately 33.

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\implies {(x^\frac{18}{5})\;.\; (x^\frac{-4}{15})}\;.\;(x^\frac{-1}{3})

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3 years ago
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we know that

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