Find the solution to each system by the substitution method. Check your answers for exercises. 2x-5y= -1 x-3y= -3

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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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Question

Expert Answered

Updated 2/13/2015 3:42:17 AM

1 Answer/Comment

yeswey

(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, not copied, 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

janezeshun

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, not copied, 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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Updated 152 days ago|2/17/2017 11:22:26 PM

1 Answer/Comment

Andrew.

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 152 days ago|2/17/2017 11:22:26 PM

This answer has been confirmed as correct, not copied, and helpful.

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