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Dec 07, �� Example 15 A motor boat whose speed is 18 km/h in still water takes 1 hour more to go 24 km upstream than to return downstream to the same spot. Find the speed of the stream. Given that speed of the boat = 18 km/ hr. Let the speed of the stream = x km / hr. Given that Time taken upstream is 1 hour more than time taken downstream Time upstream = Time downstream + 1 24/ . Given:Speed of boat in still water = 15 km/hrLet x be speed of the stream in km/hrSpeed of the boat upstream = 15?xSpeed of the boat down stream = 15+xTime taken for upstream T 1 = 15?x30 Time taken for downstream T 2 = 15+x30 Given, T 1 +T 2 = 29 = 15?x30 + 15+x30 = Speed Of The Boat In Still Water 91 29 = 30(15?x1 + 15+x1)= 29 = 30((15?x)(15+x)15+x?15?x)= 29 = ?x?30 = 29 = ?x = 21 ? ?x2 = ? . The speed of the boat in still water, x = 10 km/h. Let the speed of current is y km/hr. Upstream speed, U. = 45 6 km/h. ? x ? y = 45 6. 10 ? y = 45 6. y= 10 ? 45 6. = 60 ? 45 6 = 15 6 = km/h. ? Speed of the stream, y = km/h. Speed of the boat down stream =15+x. Time taken for upstream T. 1. = 15?x. Time taken for downstream T. Speed of the boat down stream = 15+x=15+x. Time taken for upstream { T }_{ 1 }=\dfrac { 30 }{ x }T. 1. = 15?x. Time taken for downstream { T }_{ 2 }=\dfrac { 30 }{ 15+x }T. 2. = 15+x.� Speed of the stream =5 \ km/hr=5 km/hr. New questions in Math. During a countrywide investigation the incidence of T.B was found to be 1%. In a college of students, 5 were affected, whereas in another, st udents,10 were affected. Answer: 4 hours. Step-by-step explanation: distance (d) = [rate (r) - current (c)] ? time (t). Given: d = 40, r = 15, c = 5. 40 = (15 - 5)t. 40 = 10t. 4 = t. New questions in Mathematics. Atp is created in the? What is the slop?!!!! This year, a small business had a total revenue of $46, If this is 24% more than their total revenue the previous year, what was their total reven ue the previous year?� Aliza needs to run at a rate faster than feet per second in order to exceed her fastest time in a race. After running for 15 minutes, her coach de termines that she is running at an average rate of miles per hour. He converts the average rate to feet per second as shown below: May someone help, please? free pointsssssssssssssssssssssssssssss.
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Klometre it needs a little additional work. For people who have been preoccupied with structure the boat from fiberglass, or commercially. Rating lines supposing nearby tips for slicing to not as big law diameters.

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