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Q: Find the solution to each system by the substitution method. Check your answers for exercises. 2x-5y= -1 x-3y= -3
A: The solution to the system of equations 2x-5y= -1, x-3y= -3 is: x = 12, y = 5. Source.
Expert answered|eturker|Points 2566|
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Asked 8/22/2012 3:44:02 PM
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. Which ordered pair below has an x-coordinate value of 3, and a y-coordinate value of –2? (Points : 5)
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Expert Answered
Updated 2/13/2015 3:42:17 AM
1 Answer/Comment
(3, -2) has an x-coordinate value of 3, and a y-coordinate value of –2.
Added 2/13/2015 3:42:17 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [2/13/2015 4:42:36 AM]
Given the function f(x) = - 2x , find the value of f(–1).
Weegy: f(-1) = (-1)^2 - 2(-1) = 3 f(1) = 1^2 - 2(1) = -1 (More)
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Expert Answered
Updated 9/16/2014 12:52:57 AM
1 Answer/Comment
When f(x) = - 2x , the value of f(–1) is 2.
f(-1) = -2*(-1) = 2.
Added 9/16/2014 12:47:39 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [9/16/2014 12:52:53 AM], Rated good by andrewpallarca
What is the slope m and y-intercept point of the line y = 2x + 1?
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Expert Answered
Updated 214 days ago|2/17/2017 11:22:26 PM
1 Answer/Comment
In the form, y = mx + b, m stands for the slope and b stands for the y-intercept; therefore, in the equation y = 2x + 1,
Slope: 2
y-intercept: 1
Added 214 days ago|2/17/2017 11:22:26 PM
This answer has been confirmed as correct and helpful.
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