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Ne4ueva [31]
2 years ago
14

Which expressions are equivalent?

Mathematics
1 answer:
alexdok [17]2 years ago
4 0

Answer:

I believe the one that is selected is correct.

Step-by-step explanation:

1/5k - 2/3j and -2/3j + 1/5k

If you switch the subtraction to addition, 2/3 becomes negative, while 1/5 stays the same.

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4 x y -7y +9 x y + 12y
yulyashka [42]

Answer:13xy+5y

Step-by-step explanation:

5 0
3 years ago
The rubber playground mulch is sold in packages that cover 300 square feet each. what expression represents the number of packag
tino4ka555 [31]

The expression represents the number of packages of mulch that will be needed to cover both rounded ends is 600/x

<h3>How to determine the expression represents the number of packages of mulch that will be needed to cover both rounded ends?</h3>

The given parameters are:

Area covered = 300 square feet

Number of ends  = 2

So, the total surface area is:

Total surface area = Area covered * Number of ends  

This gives

Total surface area = 300 * 2

Total surface area = 600 square feet

Let the area covered by each package of mulch be x.

So, the number of mulch is

Number = Area covered/area covered by each

This gives

Number = 600/x

Hence, the expression represents the number of packages of mulch that will be needed to cover both rounded ends is 600/x

Read more about areas at:

brainly.com/question/25292087

#SPJ1

6 0
1 year ago
I NEED HELP ASAPP!!!<br> 2 × 10^-6 times what number is equal to 6 × 10^-4
GenaCL600 [577]

Answer: I think the answer is 12000000000

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Please help ASAP this was due awhile ago and I’m about to get a zero
jok3333 [9.3K]

Answer:

2 cups of blueberry

Step-by-step explanation:

8/4=2

3 0
2 years ago
3. I think of a number. I subtract 10 and add 5. I then double it. My
ella [17]

Answer:

30

Step-by-step explanation:

You can divide 50 by 2 which is 25

Then subtract 5

Add 10

And you get your number

It is really simple really ☺️

5 0
2 years ago
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