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STatiana [176]
3 years ago
12

Estimate the sum of 9 12/15 + 1 2/6 A 11 B 13 C 10 D 12 answer fast please

Mathematics
2 answers:
elena-14-01-66 [18.8K]3 years ago
8 0
Answer: 
A.) 11

Explanation: 
To estimate the sum of these numbers, simply add the whole numbers of 9 and 1: 
9 + 1 = 10 
and then judge what the fractions will add up to roughly. 12/15 is almost 1, and it is more than 1/2, so it will round up to 11. 

But to be sure you can check: 
9 12/15 + 1 2/6 
9 24/30 + 1 10/30 = 10 34/30 = 11 4/30 = 11 2/15
Kazeer [188]3 years ago
5 0
<span>A 11 because 9+1 is 10 and there are the remainders</span><span />
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
Factors of -36 that add to 13
sergij07 [2.7K]
To solve this problem follow the steps below.

Step 1:List out all of the factors for -36

-36: 1,2,3,4,6,9,12,18,36
       -1,-2,-3,-4,-6,-9,-12,-18,-36

Step 2: Start going through a process of guessing and checking (basically take any two factors and add them together to see if they equal 13)

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Step 3:Check your calculations and make sure you didn't make any errors

13-12=1 and 13-1=12   
13-9=4    and  13-4=9

Answer: 1 and 12
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3 years ago
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UkoKoshka [18]

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