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Answers by Amarjeet K.

. 2x-2y=8 (answer)

There should be one more equation.   Anyways   2y = 2x - 8   y = x - 4   This is a straight line equation with slope = 1 and y intercept = -4   :)

Physics Questions (answer)

Wave speed = frequecy x wavelength   Frequency = wave speed/wavelength   1. In an open tube antinodes are located at the ends of open tube. Minimum number of waves that can fit in an open tube with minimum number of nodes and antinodes is λ/2. Next higher number of wavelengths...

simplify:y=(2x-5)^2-3(2x-5)-4 (answer)

y= (2x-5)2 - 3(2x-5) -4   => 4x2 +25 - 20x - 6x + 15 -4 = 4x2 -26x + 36   => 4x2 -18x -8x +36 = 2x(2x-9) -4(2x-9) = (2x-4)(2x-9)   :)

help help help (answer)

7.1 x 10-3 No -100.1 yes 30 No 8 No -1 Yes -52 Yes -6.3 x 10-3 Yes   :)    

Physics Questions Over Ballistic Pendulum (answer)

1. All collisions conserve momentum. Inellastic collsion doesn conserve mechanical energy.   2. Conservation of momentum is applied in this situation. Mechanical energy will not be concerved because some of it will be lost as heat and sound energy.   3. Intial momentum...

Science questions (answer)

1. False.   Winds flow from areas of high pressure to other areas of low pressure.   2. True 3. True

simplify (2ab³)4 (answer)

(2ab^3)4 = 4x2ab^3 = 8ab^3 If the question is (2ab^3)^4 = 2^4 x a^4 x b^(3+4) = 16a^4b^7 :)

writ the equation (answer)

Use algebra   1. Assume Jill had 'x' number of comics to begin with   she sold half of it. She is left with x/2 she bought 14 more so now she has x/2 + 14 which is equal to 36. write equation   x/2 + 14 = 36   x/2 = 22   x=...