Q: What is xy-2 when x equals 5 and y equals 4?

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5 x 4 equals 4 x 5 is commutative property.

x=4 y=5 9x+7y=?? Replace: 9(4)+7(5)= 71

5*-4*-3 = 60

5 x 4 = 20 4 x 5 = 20

2x-4

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x2yz3 = 74xy2 = 75xyz = ?Since xy2 = 75, we have:x2yz3 = 74 multiply by 75 to both sides(x2yz3)(xy2) = (74)(75)x3y3z3 = 712(x3y3z3)1/3 = (712)1/3xyz = 74

5 x 4 equals 4 x 5 is commutative property.

If X+Y=5;X=4, then x=4 and y=1

3 * 3 * 5 * x * y * y = 45xy2

If: x+(-5) = 4 Then: x = 9

x=4 y=5 9x+7y=?? Replace: 9(4)+7(5)= 71

(8 + 4) x 5...

commutative

Given x=k1y and x=k2/z x=125 ,y=5 then k1=25 x=125 , z=4 then k2=125(4)=500 If y=4 ,z=5 then x=25y = 100

No, 4 x 5 equals 20.

5*-4*-3 = 60

5 x 4 = 20 4 x 5 = 20