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amid [387]
3 years ago
15

Hello my name is lay lay today I am going to ask people this question if you answer this question you are my social studies part

ner . What is a example of regrouping ? Or say a answer about regrouping .
Mathematics
2 answers:
ankoles [38]3 years ago
6 0

Answer:

ok so regrouping is when the top number of a equation is like for EXAMPLE 3 minus 6 ok so 3 is lower than six so the number on the left side you cross that out and you add it to the number that was on top which would make it 13 in this case so 13 minus six is 7 and that’s regrouping

Step-by-step explanation:

kenny6666 [7]3 years ago
3 0

Answer:

there is regrouping in social studies but not history so a example would  be like me and you had to part ways to do something when we comeback togethor thats regrouping

Step-by-step explanation:

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Area = length * width

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3 years ago
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Help finding the sum
Mamont248 [21]
It is asking you to find the sum of k^2 - 1 from k=1 to k=4. Since that is only 4 numbers, calculating the sum by hand wouldn’t be that bad.

(1^2 - 1) + (2^2 - 1) + (3^2 - 1) + (4^2 - 1) = 26

The easier way to find the sum is to use a few simple formulas.

When we have a term that is just a constant c, the formula is c*n.

When we have a variable k, the formula is k*n*(n+1)/2.

When we have a squared variable, the formula is k*n*(n+1)*(2n+1)/6.

In this case, we have a squared variable k^2 and a constant of -1.

So plug in n=4 to the formulas:

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The answer is 26







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2 years ago
When you have a multiplication problem, what do you do to the exponents?
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Step-by-step explanation:

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