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John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer