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Mathematics, 21.06.2019 13:30
The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20
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Mathematics, 21.06.2019 15:00
If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?
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Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)
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Solve -3 (r + 5) = -9 enter ur answer in the box x = __
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