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The mass of a mole of NaCl is the A. gram atomic mass B. molecular mass C. molar mass D. atomic mass
Weegy: The mass of a mole of NaCl is the C. molar mass. (More)
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Expert Answered
Asked 1/23/2013 9:08:09 PM
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Evaluate c3 – 2(c + 3d) for c = –2 and d = 1. A. -10 B. 6 C. -18 D. 10
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Updated 9/20/2014 11:30:58 PM
1 Answer/Comment
c3 – 2(c + 3d)
=(-2)^3 - 2( -2 + 3*1 )
= -8 - 2*1
= -10
Added 9/20/2014 11:30:58 PM
Simplify 3x2 – 5x2 + 7x by combining like terms. A. –2x2 + 7x B. 2x2 + 7x C. –2x2 – 7x D. 2x2 – 7x
Weegy: 3x^(2)-5x^(2)+7x. Since 3x^(2) and -5x^(2) are like terms, add -5x^(2) to 3x^(2) to get -2x^(2).... -2x^(2)+7x.. So the answer is –2x2 + 7x. (More)
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Expert Answered
Updated 8/18/2014 8:20:40 AM
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Solve 3(x – 5) – 15 = 48. A. x = 20 B. x = 26 C. x = -4 D. x = 14
Weegy: 3(x-5)-15 =48 3x -15 -15=48 3x-15+15-15+15=48+15+15 3x=78 3x/3 = 78/3 x=26 (More)
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Asked 1/28/2013 9:09:32 PM
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