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BlackZzzverrR [31]
3 years ago
5

In order to complete a large job, 1000 workers were hired, just enough to complete the job on schedule. All the workers stayed o

n the job while the first quarter of the work was done, so the first quarter of the work was completed on schedule. Then 100 workers were laid off, so the second quarter of the work was completed behind schedule. Then an additional 100 workers were laid off, so the third quarter of the work was completed still further behind schedule. Given that all workers work at the same rate, what is the minimum number of additional workers, beyond the 800 workers still on the job at the end of the third quarter, that must be hired after three-quarters of the work has been completed so that the entire project can be completed on schedule or before?
Mathematics
2 answers:
dexar [7]3 years ago
7 0

Answer:

766

Step-by-step explanation:

it was on rsm

slamgirl [31]3 years ago
3 0

This is just here for the 20 character limit but the answer is in the picture.

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Liam is a tyre fitter it takes him 56 minutes to fit 4 tyres to a van if he works for 42 minutes how many tyres can he fit.
dlinn [17]
I think the answer is 2 tyres but i am not sure but don’t blame me if it’s wrong
5 0
2 years ago
Help! It says that I need to determine If both equations represent lines which are parallel, perpendicular, or none...
12345 [234]
    4x + 2y = 8     (1)
    8x + 4y = -4y  (2)

A) Two lines are parallel if they have the same gradient
       - putting both equations into the gradient- intercept form ( y = mx + c                where m is the gradient)
            (1) 4x + 2y = 8
                          2y = 8 - 4x
                            y = -2x + 4
             
            (2) 8x + 4y = -4y
      <span>                    </span>8x = -4y - 4y
                            y = \frac{-8x}{-8}
                            y = -x
   <span>Thus the gradient of the two equations are different and as such          the two lines are not parallel
</span>
B)  When two lines are perpendicular, the product of their gradient is -1
                   m_{1} * m_{2} = p
                                             p = (-2) * (-1)
                                             p =  2
<span>          ∴ the two lines are not perpendicular either.</span>

Thus these lines are SKEWED LINES

4 0
3 years ago
Order the set of number from least to greatest .
earnstyle [38]

Answer (Please vote me Brainliest if this helps!):

The answer is D

Step-by-step explanation:

Lets start off with the square roots:

\sqrt{16} = 4

\sqrt{18} = 3\sqrt{2} = 4.24264...

Mixed fraction:

4\frac{2}{3} = 4.667

Therefore the answer is D.

6 0
2 years ago
Read 2 more answers
Jason did yard work for 3 hours and earned $18. What are the unit ratios in hours per dollar and dollars per hour?
GalinKa [24]

Answer:

1:6       One hour of work is worth $6

Step-by-step explanation:

$18/3= $6

5 0
3 years ago
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Please help me! Thank you
Maru [420]

Step-by-step explanation:

5⁰= 1

2–3 means 1/2³

1/8

=0.125

8 0
3 years ago
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