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3 years ago

{x|xen and 1 < x < 5

Mathematics

2 answers:

Anarel [89]3 years ago

4 0

9514 1404 393

Answer:

x ∈ {2, 3, 4}

Step-by-step explanation:

Your set builder notation describes the set of integers between 1 and 5, not including 1 or 5. Those integers are 2, 3, 4. In roster form, the set is ...

{2, 3, 4}

Fed [463]3 years ago

3 0

Answer:

x = 1, 5

Step-by-step explanation:

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4 years ago

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3 years ago

Bob can paint a fence in 5 hours, and working with Jen, the two of them painted a fence in 2 hours. How long would it have taken

irakobra [83]

Answer: $\frac{10}{3}$

Step-by-step explanation:

Given

Bob can Paint a fence in 5 hr

so full job can be done in 5 hr

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so in 1 hr $\frac{1}{x}$ part of job is done

Also if they combine they can do the job in 2 hr

so in 1 hr $\frac{1}{2}$

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3 years ago