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laiz [17]
3 years ago
5

What is the square of 1.1

Mathematics
1 answer:
dedylja [7]3 years ago
3 0
To square something, you multiply a number by itself.
So the square of 1.1 is 
1.1*1.1
which is equal to 1.21
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Answer:

x=4

Step-by-step explanation:

Combine like terms

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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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Answer: The average was 9 years old find the average age of both groups is 10 years old.

Step-by-step explanation:

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

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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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Now , the average of both groups =\dfrac{\text{Sum of combined students}}{\text{combined students}}

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4 0
3 years ago
Line segment AB is shown on a coordinate grid:
Lady_Fox [76]

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a'b' and ab are the same length

Step-by-step explanation:

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