maxandalexplayz
06.10.2021 •
Mathematics
The braking distance, in feet of a car a Travling at v miles per hour is given.
D= 2.6+ V^2/22
a. What is the braking distance, in feet, if the car is going 25 mph? 55 mph?
85 mph? Show your work.
b. Suppose that the car took 450 feet to brake. Use your computations in part (a)
to make a prediction about how fast it was going when the brakes were applied.
Solved
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Ответ:
p is number of Popsicles sold
6f+1.5p=94.50
f+p=36
Rearrange
p=36-f
Substitute
6f+1.5(36-f)=94.5
Reduce
6f+54-1.5f=94.5
4.5f=40.5
F=9
Substitute
9+p=36
P=27
George sold 27 Popsicles and 9 Frogs