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Lorico [155]
3 years ago
11

Whats the area of a square computer screen with 21-inch sides

Mathematics
1 answer:
Sidana [21]3 years ago
3 0
84 Sq inches by 21 x 4
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A masonry contractor is preparing an estimate for building a stone wall and gate. He estimates that the job will take a​ 40-hour
kodGreya [7K]

Solution: Estimated time for the work is 40 hour work week.

Estimated payment to 3 laborers working 40 hours at cost $14 per hour is:

3\times 40\times 14= $1680

Estimated payment to 6 masons working 40 hours at cost $24 per hour is:

6\times 40\times 24= $5760

Estimated cost of material = $3143

Contractor wishes to make a profit of $500

Therefore, the mathematical expression that will give the estimated cost of the job is:

Cost = 1680+5760+3143+500

The estimated total cost is:

Cost =$11083




5 0
3 years ago
Read 2 more answers
For her phone service, Melissa pays a monthly fee of $16, and she pays an additional $0.06 per minute of use. The least she has
Annette [7]

Answer:

1287

Step-by-step explanation:

93.22-16=77.22

77.22 devided by 0.06=1287

8 0
3 years ago
An automobile saleswoman earns 12% on all of her sales. Last month, she sold 3 cars for a total sales amount of $28,950. What is
snow_tiger [21]

Answer:

3474

Step-by-step explanation:

28,950/100=289.5  289.5*12=3474

7 0
3 years ago
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5x-3y when x=7 and y=-8
I am Lyosha [343]
5 (7) - 3 (-8)

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Because two negatives equal a positive the subtraction sign will change into an addition sign.

35+24

So your answer will be 59.

Hope this helped :)
5 0
3 years ago
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