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Allushta [10]
4 years ago
10

A plumber earns $50 for a repair job, plus an additional $75 per hour he works. On Tuesday, he completed 3 repair jobs and earne

d a total of more than $600.
Part A Write an inequality that can be used to determine h, the number of hours the plumber worked Tuesday
Part B: Solve your inequality to determine the number of hours the plumber worked Tuesday. Provide mathematical justification for your answer.
Mathematics
1 answer:
Veseljchak [2.6K]4 years ago
6 0

Answer:

A. 150+75h>600

B. More than 6 hours

Step-by-step explanation:

A plumber earns $50 for a repair job, so he will earn $150 for three repair jobs.

Let h be the number of hours the plumber worked on Tuesday. He earns $75 per hour worked, so he will earn $75h in h hours.

In total, the plumber earned $(150 + 75h)

A. On Tuesday, he completed 3 repair jobs and earned a total of more than $600. Thus

150+75h>600

B. Solve this inequality. Subtract 150:

150+75h-150>600-150\\ \\75h>450

Divide by 75:

h>\dfrac{450}{75}\\ \\h>6

This means, the plumber worked more than 6 hours.

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630 + 0 is greater than or is is less than630​
grigory [225]

Answer:

630+0 is 630. So 630 is equal to 630.

6 0
3 years ago
Gary owns a taco truck. He charges $3.49 for a nacho taco and $4.99 for a cool ranch taco. How much does Gary make if 15 nacho t
Vitek1552 [10]

Answer:

227 dollers

Step-by-step explanation:

multiply 3.49 and 15 to get 52.35

multiply 4.99 and 35 together to get 174.65

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8 0
3 years ago
In a group of 40 people, 35% have never been abroad. Two people are selected at random without replacement and are asked about t
Alisiya [41]

Answer:

\frac{7}{60}

Step-by-step explanation:

Given that in a group of 40 people, 35% have never been abroad. Two people are selected at random without replacement and are asked about their past travel experience.

Since the two are drawn without replacement the first trial affects the second trial.  In other words, each trial is not independent of the other.

a) Hence this cannot be binomial experiment.  The reason is p=probability for each trial is not constant as first draw affect the probability for Ii draw

b) The probability that in a random sample of 2, no one has been abroad

=Prob of selecting both people from the group where no one has been abroad

We have in the group 35% i.e. 14 people never been to abroad

So required probability = Prob of selecting both from 14 people

=\frac{14C2}{40C2} \\=\frac{14*13}{40*39} \\=\frac{7}{60}

3 0
3 years ago
Help me find value of y please !!:]
scoray [572]

Answer     y=40

Step-by-step explanation:

its split in half so if one side is 40 that means the other side is to

3 0
3 years ago
What is 2 < 3 + x????????
Lisa [10]
2<3+x
subtract 3 on both sides
2-3<3-3+x
simplify 
-1<x 
this can also be rewritten as 
x>-1
5 0
4 years ago
Read 2 more answers
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