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Haylee Waelchi

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4y ago

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Evaluate 2xy when x equals 30 and y equals 2?

2xy=2*30*2=120


How do you name the equation of a line that is perpendicular to y equals 1 half x-3 and goes through the point x equals 0 and y equals 3?

L1: y = 1/2*x - 3Gradient of the line = 1/2Negative reciprocal of gradient = -1/(1/2) = -2That is, gradient of perpendicular = -2.This line goes through (0,3),(y - 3) = 2*(x - 0)y - 3 = 2xy = 2x + 3L1: y = 1/2*x - 3Gradient of the line = 1/2Negative reciprocal of gradient = -1/(1/2) = -2That is, gradient of perpendicular = -2.This line goes through (0,3),(y - 3) = 2*(x - 0)y - 3 = 2xy = 2x + 3L1: y = 1/2*x - 3Gradient of the line = 1/2Negative reciprocal of gradient = -1/(1/2) = -2That is, gradient of perpendicular = -2.This line goes through (0,3),(y - 3) = 2*(x - 0)y - 3 = 2xy = 2x + 3L1: y = 1/2*x - 3Gradient of the line = 1/2Negative reciprocal of gradient = -1/(1/2) = -2That is, gradient of perpendicular = -2.This line goes through (0,3),(y - 3) = 2*(x - 0)y - 3 = 2xy = 2x + 3


2xy x equals 5 y equals 3?

2xy substitute 3 for y and 5 for x 2(5)(3) = 30


Simplify 15xy-2xy-7x plus x equals?

15xy-2xy-7x+x=13xy-6x


Does 6xy-8xy equals -2x squared y squared?

No, it equals -2xy. lrn2math


What 2xy-3y plus 1 equals 0?

It's an hyperbola equation.


2cy plus 2xy equals 15 solve for y?

Y=15/(2c+2x)


Why cant 2x plus y equals 2xy?

Because 2x+y is addition not multiplication


When x-y equals 7 and xy equals 8 find the value of x square plus y square?

x2 + y2 = x2 - 2xy + y2 + 2xy = (x - y)2 + 2xy = 72 + 2*8 = 49 + 16 = 65 You could, instead, solve the two equations for x and y and substitute, but the above method is simpler.


How do you evaluate 2xy times 9 if x equals 3 and y equals 2?

2xy*9 if x=3 and y = 2 2(3)(2)*9 12*9 108 You substitute x and y for their equivalent (3 and 2) then simply multiply 2*x*y, then multiply the answer of that by 9.


What is the greatest common factor of 2xy and 2x2y?

Since 2xy is a factor of 2x2y, it is automatically the GCF.


The area of a rectangle is given by A equals 6x2y plus 4y2x and the width of the rectangle is w equals 2xy What is the length L of the rectangle if L equals A w?

L = 3x + 2y