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Q: What is 36y plus 9 if y 16?

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It is a quadratic expression in the variables x and y.

We have 3x+9y=36, or equivalently 12x+36y=144. We also have 12x+4y=18, so subtracting these we have 32y=126 or y=63/16. Substituting this into our original equation leaves 3x=36-9*63/16 or x = 12-3*63/16 = 3/16. So: x=3/16, y=63/16

Replace the y with a 3. 16 x 3 + 9 = 57

If you mean: (x-3)^2 +(y-9)^2 = 16 then the center of the circle is at (3, 9)

y is an unknown. For now, let's just call y an apple. 9+ apple +apple would be a 9 and 2 apples, right? So 9 plus y plus y is 9+ 2y. Without knowing the value of y, that is as far as you can go.

8y/y + 2 + 16/y + 2 = 8 + 2 + 16/y +2 = 12 + 16/y = 4(3 + 4/y) or 4/y*(3y + 4)

Calculate the percentage for the numbers and then put the variables back in the answer.For example,20% of 36y = (20% of 36)*y = 7.2*yor25% of 36/y = (25% of 36)/y = 9/y.

There is not a way to give the answer to this equation. You will have to give me the value of the letters.

If you mean y2+8y+7=0 then it is a quadratic. y2+8y+7+9-9=0 y2+8y+16-9=0 (y+4)2=9 y+4=3 , y+4=-3 y=-1 , y=-7 So y can equal -1 or -7.

If: 3x+y = 16 Then: y = -3x+16 whereas -3 is the slope and 16 is the y intercept

y=x+9 y'=1 x+9=0 x=-9 y=-9+9 y=0

y2 + 8y + 16 = y2 + 4y + 4y + 16 = y(y + 4) + 4(y + 4) = (y + 4)(y + 4) or (y + 4)2

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