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Airida [17]
4 years ago
5

A computer repairman charges an initial fee of $100 plus an hourly fee of $75.

Mathematics
2 answers:
Ann [662]4 years ago
8 0

Answer:

The repairman worked 5hours

Step-by-step explanation:

Initial fee = $100

Charge per hour = $75

This simply implies that the repairman charges $100 and charge 75 for every hour worked.

Initial fee = $100

Charge per hour = $75

To find the hours work when his total work fee is 475, we should understand that,

Total work fee = initial fee + total charges

Total charges = charge per hour * hour worked.

Total work fee = initial free + (charge per hour * hour worked.)

475 = 100 + 75*h

Collect like terms

75h = 475 - 100

75h = 375

Divide both side by 75 .

75h/75 = 375/75

h = 5.

Since h represent hour work by the repairman.

The repairman worked 5hours

Lisa [10]4 years ago
4 0
475 - 100 = 75x
Subtract 100 from the 475
375 = 75x
Divide both side w 75 . The 75 on the X side cancels out
375/ 75 = 5
X= 5
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Answer:

Step-by-step explanation:

This only works if the room is a prism shaped, or cylinder.  

Volume of a prism or cylinder is area of he base times height.  So since we know the height and volume we can fand the area.

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B = 8

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If a parallelogram has an area of 7 square units, and the height corresponding to a base is (\frac{1}{4}) units, then the base is 28 units.

As per the question statement, a parallelogram has an area of 7 square units, and the height corresponding to a base is (\frac{1}{4}) units.

We are required to find out the base of the parallelogram.

To solve this question, we need to know the formula to calculate the area of a parallelogram, which goes as

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Putting our data obtain from the question statement, in the above-mentioned formula, we can calculate the value of the base of our concerned parallelogram, i.e.,

7=(base*\frac{1}{4})\\or, base=(7*4)\\or, base = 28
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  • Parallelogram: In Euclidean geometry, a parallelogram is a four-sided, plane, closed figure (Quadrilateral) with two pairs of parallel, opposite sides.

To learn more about Parallelograms, click on the link below.

brainly.com/question/16052466

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