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garri49 [273]
3 years ago
8

Find the sum of 8/10 + 7/10 ?

Mathematics
2 answers:
Alexus [3.1K]3 years ago
7 0
The answer is:  " 1\frac{1}{2} " ;  or; write as:  " 1.5 " .

8/10 + 7/10 = (8+7)/ 10 = 15/10= (15÷5) / (10÷5) = 3/2 ;
 
=  " 1\frac{1}{2} " ;  or; write as:  " 1.5 " .
____________________________________________
Annette [7]3 years ago
5 0
15/10 reduces to 1 1/2

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x=16 1/4

Step-by-step explanation:

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3 years ago
You start hiking at an elevation that is 80 meters below base camp. You increase your elevation by 42 meters. What is the new el
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Step-by-step explanation:

Consider the provided information.

You start hiking at an elevation that is 80 meters below base camp.

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the first group of students consists of 10 and their average age was 13 years old the next group consisted of 30 students and th
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Step-by-step explanation:

Formula foe average : \text{Average} =\dfrac{\text{Sum of all observations}}{\text{Number of observations}}

Given : The first group of students consists of 10 and their average age was 13 years old.

i.e. 13=\dfrac{\text{Sum of ages of students of first group}}{10}\\\\\Rightarrow\ \text{Sum of ages of students of first group}=13\times10=130      (1)

The next group consisted of 30 students and their average was 9 years old.

i.e. 9=\dfrac{\text{Sum of ages of students of next group}}{30}\\\\\Rightarrow\ \text{Sum of ages of students of nextgroup}=9\times30=270      (2)

Then from (1) and (2) , the sum of both groups (first group and next group )students = 130+270 =400

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=\dfrac{400}{40}=10

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