Jane (J) is 9 miles offshore in a boat and wishes to reach a coastalvillage (B) located 30 miles down a straight shoreline from the point (A) nearest the boat.9 miles4 miles per hour5 miles per houraShe can row at 4 miles per hour and walk at 5 miles per hour. Findthe point (L) at which she should land her boat to reach the village inthe least amount of time.Enter your answer as the distance a (in miles) between A and L.I I|(Enter in integer.)a

Given data: The distance covered in the walk is BL=(30-a). The first distance is AJ=9 miles. The…

Answered: Jane (J) is 9 miles offshore in a boat…

Jane (J) is 9 miles offshore in a boat and wishes to reach a coastal village (B) located 30 miles down a straight shoreline from the point ( A) nearest the boat.

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter7: Rational Expressions And Functions

Section7.5: Solve Applications With Rational Equations

Problem 7.98TI: Victoria jogs 12 miles to the park along a flat trail and then returns by jogging on an 20 mile...

See similar textbooks

Similar questions

Solve the following exercises: In this figure, ABDE and CBEF .All dimensions are in inches. Round the answers to 3 decimal place. a. Find x. b. Find y.
If Bill was traveling v mi/h, how would you represent Daemons speed if he was traveling 10 mi/h faster?
Fiora starts riding her bike at 20 mi/h. After a while, she slows down to 12 mi/h, and maintains that speed for the rest of the trip. The whole trip of 70 mi takes her 4.5 h. For what distance did she travel at 20 mi/h?
Solve the following exercises: a. Find x. b. Find y.
Victoria jogs 12 miles to the park along a flat trail and then returns by jogging on an 20 mile hilly trail. She jogs 1 mile per hour slower on the hilly trail than on the flat trail, and her return trip takes her two hours longer. Find her rate of jogging on the flat trail.
In the following exercises, solve uniform motion applications 437. Chester rode his bike uphill 24 miles and then back downhill at 2 mph faster than his uphill. If it took him 2 hours longer to ride uphill than downhill, I, what was his uphill rate?
Dennis went cross-country skiing for 6 hours on Saturday. He skied 20 mile uphill and then 20 miles back downhill, returning to his starting point. His uphill speed was 5 mph slower than his downhill speed. What was Dennis’ speed going uphill and his speed going downhill?
Solve the following exercises: In ABC and DEF,ABDE,ACDF,BCEF. a. Find A. b. Find F. c. Find B. d. Find E.
c. During the hours that the park is open, 9≤t≤23, what is the maximum number of people in the park at any given moment? Justify your answer.
a homeowner wishes to insulate his 1200 square foot house's attic. The total cost C (r) for r inches of insulation and the heating costs for that amount of insulation over the next 10 years is given by C(r) = 150r + (12150/r) How many inches of insulation should be placed in the attic of the total cost is minimized _____inches
The traffic flow rate (cars per hour) across an intersection is r(t)=200+600t−210t2, where tt is in hours, and t=0 is 6am. How many cars pass through the intersection between 6 am and 7 am?
The height of a ball after being dropped from a point 100 feet above the ground is given by h = −16t 2 + 100, where t is the time in seconds since the ball was dropped and h is in feet. a. When will the ball be 60 feet above the ground? b. When will the ball reach the ground?