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The midpoint of segment AB is (3,5). The coordinates of A are (-6,1). What are the coordinates of B?

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Updated 7/18/2011 11:07:32 PM

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The coordinates of B are (12,9).
x=3+ (3-(-6))=12
y=5+ (5-1) = 9

Added 7/18/2011 11:07:32 PM

What is the slope of the line that goes through points A(8, 7) and B(5,-2)

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Updated 1/17/2015 4:11:44 AM

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The slope of the line that goes through points A(8, 7) and B(5,-2) is 3. m = (y2-y1)/(x2-x1); m = (-2-7)/(5-8); m = -9/-3; m = 3

Added 1/17/2015 4:11:44 AM

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Confirmed by andrewpallarca [1/17/2015 3:07:10 PM]

A refrigerator conatins 12 orange drinks, 4 grape drinks, and 25 apple drinks. Ann is first in line for drinks. Mark is second. What is the probability that Ann gets an apple drink and Mark gets a grape drink if they are given drinks at random? **Weegy:** ann is 60 percent probabe will get apple drink, mark is 9.6 probable will get grape drink (More)

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Updated 7/21/2011 1:45:16 PM

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The probability that Ann gets an Apple drink is 25/41 ~ 0.60975609 ~ 61.0%
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The probability that Mark gets a grape drink is 4/40 = .1 = 10%

Added 7/21/2011 1:45:16 PM

Gino has 5 blue socks and 4 black socks. He selects one sock at random. Without replacing the sock, he selects a second sock at random. Find this probability:
P(blue, then black)
**Weegy:** well you would have 80% to get a blue sock and 60 % to get a black one (More)

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Updated 3/9/2015 10:09:39 AM

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Gino has 5 blue socks and 4 black socks. He selects one sock at random. Without replacing the sock, he selects a second sock at random. Probability: P(blue, then black) = 5/9 * 4/8 = 5/9 * 1/2 = 5/18

Added 3/9/2015 10:09:39 AM

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Use the Counting Principle to find the number of permutations possible for all the letters in this group:
W, O, R, L, D

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Updated 7/21/2011 12:19:39 PM

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