Mathematics, 09.07.2019 01:30 Andy769
On a certain river, a paddleboat travels 12 miles upstream (against the current) in the same amount of time it travels 20 miles downstream (with the current). if the current of the river is 2 miles per hour, determine the speed of the boat in still water.
Answers: 2
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Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
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The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
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In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.
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*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.
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On a certain river, a paddleboat travels 12 miles upstream (against the current) in the same amount...
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