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# HELP PLZ URGENT!!!!! SUMMER math hw due tommorow

-1
152
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HELP .

For each of the given statements:

• Determine the values of x for which each statement is true.

• Show the set of all points corresponding to the values of x on a number line.

x=|x|

HELP#2 .

Janet can do a job in 3 hours while Garry can do the same job in 2 hours. If Janet works for an hour before Garry began helping her, how long will it take them to do the job?

Aug 15, 2019

#1
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$$x=|x| \Rightarrow x \in [0, \infty)$$

$$\text{Janet's rate is \dfrac{1}{3}~ job/hr}\\ \text{Garry's is \dfrac{1}{2}~job/hr}\\ \text{Janet works an hour and gets \dfrac 1 3 of the job done}\\ \text{Garry joins her and they work at the rate of \dfrac 1 3 + \dfrac 1 2 = \dfrac 5 6~job/hr on the remaining \dfrac 2 3 of the job}\\ \text{It takes them \dfrac{\frac 2 3}{\frac 5 6} = \dfrac 4 5~hr to complete the job}$$

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Aug 15, 2019
#3
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Here is the answer to part 1

$$\frac{9}{5}$$

here is the expnation by CPhil

https://web2.0calc.com/questions/help_77520

Copy and past into search.

Aug 15, 2019
#4
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CPhil included the 1 hr Janet spent working alone.  I did not.

The question asks how long it would take "them" to do the job.

If you're going to be so critical perhaps investigate a bit further in the future.

Rom  Aug 15, 2019