A car is traveling at a speed of 81 miles per hour. What is the car's speed in feet per second? How many feet will the car trave
1 answer:
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Answer:
36
Step-by-step explanation:
first, see the formula in the attached picture.
now, by applying that formula we get :
the coefficient of the x7y2 is :
9C7 = 36 (you can either use a calculator or just the algebraic formula)
