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lara31 [8.8K]
3 years ago
13

Give each a sum or difference: a. -12+4= b. -4+1= c. 4 - 12= d. 4+12=

Mathematics
1 answer:
wlad13 [49]3 years ago
6 0
A. -8
B. -3
C. -8
D. 16
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1. You convert all the numbers into decimals.
   a. For 8 1/9 you multiply 8x9 and add the numerator which in this case is one, so the equation would be 8x9=72     then 72+1= 73
   b. For 81/10 I used a calculator for accuracy and I just divided 81 by 10 because the fraction line can also be used as a division sign. For this I got 8.1
2. Now I looked at all the numbers I had including the fractions I converted to decimals... 8.115, 8.55, 73, and 8.1
3. Lastly, I put the numbers in order from least to greatest: 8.1, 8.115, 8.55, and 73
4. In order to figure out which one is the smallest and largest, I just added zeros on the end of the numbers so they would all be the same: 8.1-->8.100, 8.115 I kept the same because it already had 3 decimal places, 8.55--> 8.550, and 73--> 73.000
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72 what in inches? please clarify
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Answer:

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Answer:

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