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andrey2020 [161]
3 years ago
5

Please help if you can 1. ( 6k+2) - (3k-2)

Mathematics
1 answer:
viktelen [127]3 years ago
4 0
(6k+2)-(3k-2)
expand brackets  18k²-12k+6k-4
simplify 18k²-6k-4
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Please help :( <br><br>4•x=28<br><br>(I'm kinda dum so this is hard)​
Oduvanchick [21]
4x = 28

28 divided by 4 = 7

x = 7

4•7=28 (TRUE STATEMENT)
7 0
2 years ago
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RADIOS is a hexagon that has six equal sides. The coordinates of side AD are (–4, 2) and (7, 2). What is the perimeter of the he
aev [14]
On desmos, a graphing calculator, I inputted your numbers, and I got that each side is 11 units long. Therefore, because a hexagon has 6 sides, you would have 6 * 11 = 66 units.

Therefore, your answer is 66.

Hope this helps and have a nice day:)
4 0
3 years ago
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DUE IN 10 MINUTES HELP PLEASE!!!
fenix001 [56]
I think the answer will be B. Hope it help!
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2 years ago
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Mike and Dena are painting a fence. if Mike has done 1/3 of the job and Dena has done 2/7 of the job, what fraction of the job i
ludmilkaskok [199]

Answer:

8/21

Step-by-step explanation:

The total job is 1

Mike has done 1/3    and Dena has done 2/7 of the job   We still need to do x of the job to complete it

1/3 + 2/7+ x  = 1

We need to get a common denominator 3*7 = 21

Multiply each side by 21

21(1/3 + 2/7+ x)  = 1*21

21(1/3) + 21*(2/7)+ 21x  = 21

7+ 3*2 +21x =21

7+6+21x = 21

13+21x = 21

Subtract 13 from each side

13-13+21x=21-13

21x = 8

Divide each side by 21

21x/21 = 8/21

x = 8/21

We need to complete 8/21 of the job

3 0
2 years ago
A=2/b+3c ; solve for c
Artyom0805 [142]

Answer:

It is straightforward.

Answer is c= a/3 - 2/3b

3 0
3 years ago
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