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Q: w varies jointly as x and y and inversely as the square of z. If w = 280 when x = 30, y = 12, and z = 3, find w when x = 20, y = 10 and z = 2.
A: The answer is 350... using the formula.. w=k?xy/z2 k=7
uxiali|Points 1590|
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Questions asked by the same visitor
Arrange your answer in the form y = mx + b, where b is the constant. (-1, 0) m = -2
Question
Updated 7/1/2014 11:55:51 AM
where b is the constant. (-1, 0) m = -2

y = mx + b
0 = (-2)(–1) + b
0 = 2 + b
-b = 2
b = -2

the equation of the line is
y = -2x - 2
Find the equation of a line with the given points. (Put your answers in the form y = mx + b.) (2, 2) (3, 3)
Question
Updated 8/6/2014 8:18:15 PM
The equation of a line containing points (2, 2) (3, 3) is y = x.
Confirmed by andrewpallarca [8/6/2014 8:18:18 PM]
Which of the following equations is 2x + 3y = 6 written in slope-intercept form. A.y=-2/3x + 6 B.y=-2/3x + 2 C.y=-3/2x + 2
Weegy: The answer is C.y=-3/2x + 2. (More)
Question
Updated 8/6/2014 8:10:20 PM
2x + 3y = 6 written in slope-intercept form is y=-2/3x + 2
Confirmed by andrewpallarca [8/6/2014 8:18:46 PM]
Input the equation of the given line in slope-intercept form. The line through (1, 0) and parallel to x - y = 7.
Question
Updated 8/6/2014 5:23:07 AM
The line through (1, 0) and parallel to x - y = 7 in slope intercept form is y = x - 1.
Confirmed by jeifunk [8/6/2014 5:23:20 AM]
Input the equation of the given line in slope-intercept form. The line with m = 3 and b = -2
Question
Updated 8/6/2014 7:47:57 PM
The line with m = 3 and b = -2 in slope intercept form is y = 3x - 2.
Confirmed by andrewpallarca [8/6/2014 7:48:01 PM]
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