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Which point does a chief ray pass through as it travels to and is reflected back from a concave mirror?
Weegy: A ray that travels through the center of curvature along the mirror?s surface and is reflected back along its original. (More)
Question
Expert Answered
Asked 10/29/2012 8:15:08 AM
0 Answers/Comments
In any homogeneous medium, the factor that does not remain constant is a wave's?
Weegy: In any homogeneous medium, the factor that does not remain constant is a wave's VELOCITY. (More)
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Expert Answered
Asked 10/29/2012 8:26:33 AM
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What is the equation of the line with an x-intercept of -1 and a y-intercept of 2?
Weegy: With that information, you know that two points on the line at (-5,0) and (0,-2). Now you find the slope between those two points: (-5-0)/(0-(-2)) = -5/2... Since now you know the slope, the equation would be y=-5/2x-2 User: Find the common difference of the sequence shown. , , , , ... User: If f(x) = 3x2 - x, find f(-2). Weegy: f(x) = 3 * 2 + -1x Multiply f * x fx = 3 * 2 + -1x Multiply 3 * 2 fx = 6 + -1x Solving fx = 6 + -1x Move all terms containing f to the left, [ all other terms to the right. Divide each side by 'x'. f = 6x-1 + -1 Simplifying f = 6x-1 + -1 Reorder the terms: f = -1 + 6x-1 ] User: What is the equation of the line that passes through (-3, -1) and has a slope of ? Put your answer in slope-intercept form. Weegy: y= -(3/5 )x - 12 User: The cost to mail a package is $7 for the first 2 pounds and 30 cents for each additional ounce. Which of the following functions represents the cost to mail a package if x is the number of ounces over 2 pounds? Weegy: Yes, but do you have a question? Do you have a package of a certain weight? If so, you have to tell me what it weighs so I can tell you the cost! User: Which of the following represents 3x - 5y + 10 = 0 written in slope-intercept form? User: Which of the following represents x = y written in general form? User: What is the equation of the line that passes through (4, -1) and (-2, 3)? Weegy: The equation of the line that passes through (4, -1) and (-2, 3) is y = 5/3 - (2 x)/3 User: If y is 5 when x is 2.5 and y varies directly with x, find y when x is 10. User: The slope of a line is -. Find the slope of a line that is perpendicular to this line. (More)
Question
Updated 3/9/2014 3:08:55 AM
2 Answers/Comments
The equation of the line with an x-intercept of -1 and a y-intercept of 2 is y = 2x + 2

Added 3/9/2014 3:06:01 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by andrewpallarca [5/26/2014 8:47:02 AM]
f(x) = 3x^2 - x,
f(-2) = 3(-2)^2 - (-2) = 12 + 2 = 14

Added 3/9/2014 3:08:55 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by andrewpallarca [5/26/2014 8:47:03 AM]
10 + 10 = ?
Question
Updated 10/29/2012 12:57:08 PM
1 Answer/Comment
10 + 10 = 20
Added 10/29/2012 12:57:08 PM
what is 10 + 5 ?
Question
Updated 10/29/2012 7:22:20 PM
3 Answers/Comments
10 + 5 = 15
Added 10/29/2012 12:59:36 PM
Rated good by Rainereine
15
Added 10/29/2012 7:22:20 PM
This answer has been flagged as incorrect.
Flagged by debnjerry
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