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Earn +20 ptsQ: What is the value of y if y equals 2-1 - 27?
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What is -5 y - 27?
-32
What is the expression which connects y and x when y is inversely proportional to x and x equals 9 y equals 7. and what is the value of y when x equals 21?
x*y = k where k is a constant.When x = 9, y = 7 so k = 9*7 = 63 When x = 21, 21*y = 63 so y = 3.
If y equals 3 then y3 pararenthesis y3 minus y equals?
y=3 y^3(y^3-y)= 3^3(3^3-3)= 27(27-3)= 27(24)=648
The variables x and y vary directly when x equals -5 and y equals 21 what is the constant of variation?
y = kx k = y/x = 21/-5 = - 21/5
Ifx equals y equals 2z then what is the value of x?
y and ½z
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