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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Arrange your answer in the form y = mx + b, where b is the constant. (-1, 0) m = -2

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Updated 7/1/2014 11:55:51 AM

1 Answer/Comment

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

y = mx + b

0 = (-2)(–1) + b

0 = 2 + b

-b = 2

b = -2

the equation of the line is

y = -2x - 2

Added 7/1/2014 11:55:51 AM

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Find the equation of a line with the given points. (Put your answers in the form y = mx + b.) (2, 2) (3, 3)

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Updated 8/6/2014 8:18:15 PM

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The equation of a line containing points (2, 2) (3, 3) is y = x.

Added 8/6/2014 8:11:54 PM

This answer has been confirmed as correct and helpful.

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)

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Expert Answered

Updated 8/6/2014 8:10:20 PM

1 Answer/Comment

2x + 3y = 6 written in slope-intercept form is y=-2/3x + 2

Added 8/6/2014 8:10:20 PM

This answer has been confirmed as correct and helpful.

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.

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Updated 8/6/2014 5:23:07 AM

1 Answer/Comment

Input the equation of the given line in slope-intercept form.
The line with m = 3 and b = -2

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Updated 8/6/2014 7:47:57 PM

1 Answer/Comment

The line with m = 3 and b = -2 in slope intercept form is y = 3x - 2.

Added 8/6/2014 7:46:37 PM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [8/6/2014 7:48:01 PM]

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