Simplify the expression and solve. http://i48.tinypic.com/2nr3p0n.jpg
28v7 is the answer. 4v7 + 8v63 = 28v7
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Solve the system using elimination. 5x + 8y = –29 7x – 2y = –67 A.(–7, 9) B.(-10,21/8) C. (–1, –3) D. (–9, 2)
Weegy: B.(-10,21/8) (More)
Question
Updated 6/16/2014 8:01:17 AM
5x + 8y = –29 (equation 1)
7x – 2y = –67 multiple 4 on both sides the result is:
28x - 8y = -268 (equation 2)
adding up equation 1 and 2 the result is:
33x = -297
x = -297/33 = -9
5(-9) + 8y = -29
8y = -29 + 45 = 16
y = 2
The solution for the system 5x + 8y = –29 7x – 2y = –67 is (-9, 2)
Confirmed by andrewpallarca [6/16/2014 9:03:44 AM]
Solve the system using elimination. 5x + 8y = –29 7x – 2y = –67
Weegy: B.(-10,21/8) (More)
Question
Updated 6/16/2014 7:59:11 AM
5x + 8y = –29 (equation 1)
7x – 2y = –67 multiple 4 on both sides the result is:
28x - 8y = -268 (equation 2)
adding up equation 1 and 2 the result is:
33x = -297
x = -297/33 = -9
5(-9) + 8y = -29
8y = -29 + 45 = 16
y = 2
The solution for the system 5x + 8y = –29 7x – 2y = –67 is (-9, 2)
Confirmed by andrewpallarca [6/16/2014 11:12:10 AM]
Simplify the expression 9^8/9^6 A.9^14 B.81 C.9^48 D.1/9^81
Weegy: The simplified form of 9^8/9^6 is: B.81 (More)
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Find the next three terms of the sequence –12, 24, –48, 96
Weegy: –192, 384, –768 are the next three terms of the sequence –12, 24, –48, 96 (More)
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Find the next three terms of the sequence –3, –6, –12, –24, . . .
Weegy: -48, -96, -192 are the next three terms of the sequence –3, –6, –12, –24 (More)
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