A coelom is _____. an arrangement of organs a cavity filled with fluid layers of tissue an inner lining of tissue
The coelom a cavity filled with fluid.
s
Question
Updated 4/10/2014 10:29:20 PM
Edited by jeifunk [4/10/2014 10:29:19 PM], Confirmed by jeifunk [4/10/2014 10:29:20 PM]
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The dog walked crookedly. The sentence above is a _____. simple sentence compound sentence complex sentence compound-complex sentence
Weegy: The dog walked crookedly. The sentence above is a simple sentence. (More)
Question
Updated 4/9/2014 11:56:19 PM
Solve the system y = -x + 7 and y = -0.5(x - 3)2 + 8
Question
Updated 4/14/2014 2:13:18 PM
y = -x + 7
y = -0.5(x - 3)^2 + 8
replace y in the second equation:
-x + 7 = -0.5(x - 3)^2 + 8
-x + 7 = -0.5(x^2 - 6x + 9) + 8
-x + 7 = -0.5x^2 + 3x - 4.5 + 8
0.5x^2 - x - 3x + 7 + 4.5 - 8 = 0
0.5x^2 - 4x + 3.5 = 0
multiple 2 on both sides:
x^2 - 8x + 7 = 0
(x - 1)(x - 7) = 0
x = 1 or x = 7
y = -1 + 7 = 6 or y = -7 + 7 = 0
The solution for the system of equations y = -x + 7 and y = -0.5(x - 3)^2 + 8 is (1, 6), (7, 0)
Confirmed by jeifunk [4/13/2014 7:38:27 PM]
y = -x + 7 and y = -0.5(x - 3)2 + 8
Use equation 1 minus equation 2 we get
-x+7+0.5(x-3)^2-8=0
=> -x+7 +0.5(x^2 -6x+9) -8=0
=> -x -1 + 1/2x^2 -3x + 9/2=0
=> 1/2x^2 -4x+ 7/2=0
=> x=7 or x= 1
At x=7 we have y=-7+7 =0
At x=1 we have y=-1+7=6
The answer are ( 7,0) and (1,6)
This answer has been flagged as incorrect.
Rated good by alonedark2, Flagged by andrewpallarca [4/14/2014 2:12:12 PM]
alonedark2, please go to unanswered archives to find questions that are not answered yet, or find any questions that has wrong answers to correct.

Which of the following equations is the result of completing the square on x 2 - 6x - 9 = 0? (x - 3) 2 = 0 (x - 3) 2 = 9 (x - 3) 2 = 18
Weegy: 3-3 = 0 (More)
Question
Updated 4/3/2014 9:03:10 PM
The following equation that is the result of completing the square on x^2 - 6x - 9 = 0 is: (x - 3)^2 = 18
x^2 - 6x - 9 = 0
x^2 - 6x = 9
x^2 - 6x + 9 = 9 + 9
(x - 3)^2 = 18
Confirmed by jeifunk [4/3/2014 9:03:41 PM]
Almost all animals except _____ have either radial or bilateral symmetry. sponges tunicates clams insects
Weegy: Almost all animals except sponges have either radial or bilateral symmetry. (More)
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Updated 4/10/2014 10:24:29 PM
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