OARITHMETIC AND ALGEBRA REVIEWEvaluating a formulaUse the equation below to find y, if m 6 and x=7.y= mxy = 0II

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Answered: Use the equation below to find y, if…

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter1: Equations And Graphs

Section1.2: Graphs Of Equations In Two Variables; Circles

Problem 99E

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Falling-Body Problems Use the formula h=16t2+v0t discussed in Example 7. How fast would a ball have to be thrown upward to reach a maximum height of 100 ft? [Hint: Use the discriminant of the equation 16t2v0t+h=0 .]
Distance and time Anthony leaves Kingstown at 2:00 PM and drives to Queenville, 160 mi distant, at 45mi/h .At 2:15 PM. Helen leaves Queensville and drives to Kingstown at 40 mi/h . At what time do they pass each other on the road?
Volume of a Cone The volume V of a cone can be calculated by the formula V=13r2h, where r is the radius and h is the height. Solve for h.
Distance and Time Anthony leaves Kingstown at 2:00 P.M. and drives to Queensville, 160 mi distant, at 45 mi/h. at 2:15 P.M. Helen leaves Queensville and drives to Kingstown at 40 mi/h. At what time do they pass each other on the road?
Measurement Use the fact that 14 gallons is approximately the same amount as 53 liters to find a mathematical model that relates liters y to gallons x. Then use the model to find the numbers of liters in 5 gallons and 25 gallons.
Navigation Two boats leave the same port at the same time. One travels at a speed of 30 mi/h in the direction N 50 E, and the other travels at a speed of 26 mi/h in a direction S 70 E see the figure. How far apart are the two boats after 1 h?
Falling-Body Problems Suppose an object t dropped from a height h0 above the ground. Then its height after t seconds is given by h=16t2+h0 , where h ¡s measured in feet. Use this information Lo solve the problem. If a ball is dropped from 288 ft above the ground, how bug does it take to reach ground level?
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Use the equation below to find y, if m=6 and x=7. y3mx