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Question and answer
Q: What information does the atomic mass of an element provide? A. the sum of electrons and protons in an atom B. the difference between the number of protons and electrons C. the
number of protons and neutrons in an atom D. the number of isotopes
A: B. atomic number from mass number. Atomic number - mass number gives us the number of neutrons in an atom.
eturker|Points 2667|
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Asked 10/22/2012 4:19:02 PM
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Choose the correct answer. Find the sum: –85.53 + (–41.00) A. –126.53 B. –44.47 C. 44.53 D. 126.47
Weegy: –85.53 + (–41.00); –85.53 - 41.00 = -126.53 (More)
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Expert Answered
Asked 10/18/2012 4:26:28 PM
0 Answers/Comments
Choose the correct answer. Find the sum of x + y, when x = 3.1, and y = 5.4 A. –8.5 B. –2.3 C. 2.3 D. 8.5
Weegy: 3.1 + 5.4 = 8.5 User: Choose the correct answer. Find the sum of r + s, when r = –14.1 and s = 18.3 A. –32.4 B. –4.2 C. 4.2 D. 32.4 Weegy: -14.1 + 18.3 = 4.2 (More)
Question
Expert Answered
Updated 5/16/2014 9:28:10 AM
0 Answers/Comments
Which value of the variable makes the statement true? m + 4 = – 6.7 A. m = 10.7 B. m = 2.7 C. m = –6.3 D. m = –10.7
Weegy: A. m = 10.7 User: Which value of x makes the equation true? –4.9 = –5.7 + x A. x = –10.6 B. x = –0.8 C. x = 0.8 D. x = 10.6 (More)
Question
Not Answered
Updated 5/16/2014 9:25:06 AM
2 Answers/Comments
m + 4 = – 6.7;

m = -6.7 - 4;

m = -10.7

The value of the variable that makes the statement true is:
m = –10.7
Added 5/16/2014 9:24:05 AM
This answer has been confirmed as correct and helpful.
–4.9 = –5.7 + x;

-x = -5.7 + 4.9;

-x = -0.8;

x = 0.8

The value of the variable that makes the statement true is:
x = 0.8
Added 5/16/2014 9:25:06 AM
This answer has been confirmed as correct and helpful.
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