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3 years ago

james worked for 4 hours a day 5 days a week at his part time job how many hours did he work in 4 weeks

Mathematics

2 answers:

Nana76 [90]3 years ago

7 0

Answer:

80 hours

Step-by-step explanation:

Elza [17]3 years ago

6 0

Answer:

80 hours

Step-by-step explanation:

4 hours a day every day for 5 days

4 hours * 5 days = 20 hours in one week

so for 4 weeks

20 hours * 4 weeks = 80 hours in four weeks.

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Can anyone help me solve this?

Alecsey [184]

Answer:

Step-by-step explanation:

$(\sqrt{z} +\sqrt{22})(\sqrt{z} -\sqrt{22})=35$

Subtract both sides from 35

$(\sqrt{z}+\sqrt{22} (\sqrt{z} -\sqrt{22})-35=35-35$

Simplify:

$(\sqrt{z})^{2} -57=0$

Factor $(\sqrt{z})^{2} -57: (\sqrt{z}+\sqrt{57}) (\sqrt{z}-\sqrt{57})$ =0

$\sqrt{z} +\sqrt{57}=0 or \sqrt{z} -\sqrt{57}=0$

$\sqrt{z} +\sqrt{57} =0: No Solution for Z$

$\sqrt{z} -\sqrt{57} =0: z=57$

Your answer will be z=57

and No solution

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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