Kevin W.

asked • 04/08/18

Solve the given equation for x. Need help

4) The distanced needed for a car to stop, d, is directly proportional to the square of its rate of travel, r. Under certain driving conditions, a car traveling 60 mph needs 300 feet to stop. With these same driving conditions, how long does it take a car to stop if the car is traveling 30 mph when the brakes are applied?

5) A principal of $12000 is invested in an account paying an annual rate of 3.5%. Find the amount in the account after 6 years if the account is compounded semiannually, quarterly, and monthly.

6) Graph the linear function by finding x-and y-intercepts.

-5x+3y=15

7) Find the slope and y-intercept of the line.

x-5y=30

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