balancexv5617 balancexv5617

11-10-2018
Mathematics

contestada

-4x+3y=21, where x is time and y is velocity in kilometers per hour. Use this function to determine when a certain particle will reach 30km/hr.

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blueberry9864 blueberry9864

11-10-2018

the answer is X= - 3(7 - Y)
4

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