Why is it important to line up decimal numbers by their place value when you add or subtract them

Answers

Answer 1

Answer: So that you don't add the whole number to the the decimal by accident... For example: .04+ 1.0 = 1.04 but if you didn't line up the decimals and you only lined up the numbers you would have .14

Answer 2

Answer: So that you dont add up the whole number to the decimal part

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Who’s the values in the table to determine the slopes

Answers

Answer:

number 11 is slope=3, then number 12 is slope=-2, then number 13 is slope=4 and number 14 is slope =1. i got my answers by looking at the x axis. In a y=mx+b whatevers infront of the x is your slope. idk what 15 is though its weird lol Good luck! :)

Read more on Brainly.com - brainly.com/question/2124349#readmoreStep-by-step explanation:

Find the length of MR.

Answers

MR=5x-3. We know that MN+NR=MR. MR=7. See the picture for details.

Needs some help on this

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A is the answer to the question.

He’s wrong “A” is the answe because I took the same test man

Help me please!!!!!!!

Answers

Your answer would be d because 3/4 is repeated 3 times

It is d because it matches up exactly to each of the repeating numbers and it shows teh correct amount of x's for each number

What is an equivelent expression for 4(x+5)+2(x+3)

Answers

4x+20+2x+6 is what you get when you distribute, just group the similar ones together and get 6x+26, that's the answer 6x+26

4(x+5)+2(x+3)
4x+20+2x+6
6x+26

Write an expression that can be used to multiply 6 x 198 mentally? please answer thanks!

Answers

-6 x 2 + 6 x 200. Since you want to find out 6 multiplied by 198 the easiest way (for me) would be to round it and then substract 12 since 200-198 is equal to 2 and 6 x 2 is equal to 12

Assuming you meant 6 x 198... Do a mental sum for 6 x 200 (1200) then subtract 6

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