$h-number\ of\ the\ full\ hours\\\\7.25h\geq125\ \ \ \ \ |divide\ both\ sides\ by\ 7.25\\\\h\geq\frac{125}{7.25}\\\\h\geq\frac{12500}{725}\\\\h\geq\frac{500}{29}\\\\h\geq17\frac{7}{29}\\\\Answer:You\ must\ work\ at\ least\ 18\ hours.$

7 0

4 years ago

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!solve this!<br> 3x + 70 − 7x ≥ 18

UNO [17]

Answer:

3x + 70 − 7x ≥ 18

Step 1: Simplify both sides of the inequality.

−4x + 70 ≥ 18

Step 2: Subtract 70 from both sides.

−4x + 70 − 70 ≥ 18 − 70

−4x ≥ −52

Step 3: Divide both sides by -4.

−4x /−4 ≥ −52 /−4

x ≤ 13

8 0

2 years ago

You estimate the distance from your house to your school to be 1.6 miles. The actual distance is 1.9 miles. Find the percent err

Bezzdna [24]

To find percent error you use the following formula:
$% Error = \frac{final value - given value}{given value}$
% error = (1.6 - 1.9)/1.9 * 100% = 15.79%

5 0

3 years ago

Farmer George is painting 3 chicken coops. He started painting this morning. Now he only has 3/4 of a chicken coop left to paint

mariarad [96]

If Farmer George starts painting in the morning, and only has 3/4 of a chicken coop left to paint:
3-3/4=
12/4-3/4=9/4 painting in the morning
To put it in a mixed number, 2 1/4 (aka 2.25)

3 0

3 years ago

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