Describe how you regroup when you find the sum of 64 + 43?

Answers

Answer 1
Answer: To regroup, you simply break up the bigger numbers into smaller numbers that are more easily added together. We often regroup into numbers that end with 0 because they're easier to add. For example, you can break up 64 into 60 + 4 and 43 into 40 + 3. This will make addition easier, because you can first add together 60 and 40, which will equal 100. Then, you can add the smaller digits: 100 + 4 + 3 = 107.
Answer 2
Answer:

Final answer:

Regrouping in addition, as in 64 + 43, involves adding numbers column by column from right to left. If the addition in a column results in a value of 10 or more, a 'carry over' or regrouping is done to the next column. The final resultant sum is 107.

Explanation:

To regroup when you find the sum of 64 + 43, you need to add the numbers column by column, moving from right (units) to left (tens, hundreds, etc.). In this case, add the right column (4 from 64 and 3 from 43) to get 7. Next, add the left column (6 from 64 and 4 from 43). The sum is 10. Since 10 is a two-digit number, the number in tens place (1) is carried over or regrouped to the tens column. To get the final answer, add the numbers in the tens column (including the carryover). This results in 107. In general, regrouping is a technique used in addition and subtraction to simplify calculations and solve problems more easily.

Learn more about Regrouping in Addition here:

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What is the answer to the equation 5x=2x+20?

Answers


I don't know.  But I know how to find it.  Let's work it out together:

                                              5x  =  2x + 20

Subtract  2x  from each side:    3x  =  20

Divide each side by  3 :              x  =  20/3  or    ( 6 and 2/3 ).


5x = 2x  + 20  \n subtract--------\ \textgreater \  -2x \n 3x = 20  \n Divide -----\ \textgreater \ 3x \n  \n x = 6 (2)/(3)

20 weeks : 14 Days in simplest form?

Can you explain as well??

Answers

14 days = 2 weeks

20weeks : 14 days = 20 weeks : 2 weeks = 20 weeks / 2 weeks = 10:1

hope it helps!

What is the slope of a sliding board that rises 2 feet for every horizontal change of 36 inches?

Answers

Slope = Vertical rise / Horizontal run

Slope = 2 / 36

Slope = 1/18 

Slope ≈ 0.0556

Is 3/8 percentage same as 0.375 as a decimal ?

Answers

3/8 is the same amount as 0.375.

3/8 is not percentage.
Yes, yes it is. 8 divided by 3 equals 0.375.

Why can there be two vertical cross sections for a right rectangular prism and only one horizontal cross section?

Answers

The horizontal cross section is parallel to the base. It is always a single, constant sized, rectangle. The vertical one is not restricted to be parallel to any face. So, its size will vary as the prism is rotated. It could vary between a size, the other one or the diagonal (largest), however the height remains constant.

a box of marbles can be shared equally among 6,7,or 8 students with 4 marbles left over each time.what is the least possible number of marbles In the box?

Answers

If there are 4 marbles left over each time, then we can forget about them for now.

So the question is, what is the smallest number than can be divided into 6,7 and 8?

the numbers have only one non-1 divisor in common: both 6 and 8 are divisible by 3.

so for our purposes we can "delete" one 2 and ask:


what is the smallest number than can be divided into 3,7 and 8 ?

There are no more divisors in common, so we just have to multiply them: 3*7*8=21*8=168


and the 4 marbles "extra"? We add them to this sum.


the the smallest possible number in the box is 168+4=172.