Answer: 70x^2 -50x
Step-by-step explanation:
^ means exponent
175 pairs of skates are rented for 7 hours.
Step-by-step explanation:
Given,
Pairs of skated rented each hour = 25
Let,
Number of hours = h
Total pairs rented = T
T = Pairs rented each hour * number of hours
T = 25h
Evaluate the expression for 7 hours.
h = 7
175 pairs of skates are rented for 7 hours.
Keywords: multiplication, linear expression
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Actually, the area of a triangle is a = bh/2. If a = 30 and b = 12:
So he height is 5 units