Answer:
100 ft²
Step-by-step explanation:
There are 4 congruent sides in a square
Perimeter = 4x
40 = 4x
x = 10
Area = base x height or length x width
Since all sides are the same, 10 is base and height
10x10 = 100
units = ft²
Answer = 100 ft²
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-Chetan K
Selection A is appropriate.
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20*1.1^n is the general expression for the cost n years in the future.
20*1.1^3 = 26.62 is the cost 3 years in the future.
There are 7 days to a week, so 4 weeks = 4 * 7 = 28 days.
28 days x 2,500 kg per day = 70,000 total kgs.
Divide total kgs by kgs per ton:
70,000 total kgs / 907.2 kg per ton = 77.16 tons , round the answer to 77 tons.
Answer:
x= 6
Step-by-step explanation:
Isolate all variables on their own and numbers on the other
5x -4x +7-7 = -1 +7 +4x -4x
5x -4x = -1+7
Solve for x
x = 6
