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nekit [7.7K]
2 years ago
6

I am hoping someone could kindly show the step by step instruction to solve this equation. I have tried to solve it many times b

ut it is still not clear, could someone please show the steps 2(8r^2+r)-4r Thanks
Mathematics
2 answers:
kolezko [41]2 years ago
8 0

Answer:

16r^2-2r

Step-by-step explanation:

2(8r^2+r)-4r

(16r^2 +2r)-4r               Distribute the 2

16r^2+(2r-4r)                Regroup like terms

16r^2-2r

Hope this helps!

kolbaska11 [484]2 years ago
3 0

Answer: 30r

Step-by-step explanation:

2(8r2+r)-4r

2(17r)-4r

34r-4r

30r

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414+486+550 by using convenient combination
ZanzabumX [31]

Answer:

1450

Step-by-step explanation:

this is actually mental math

5 0
2 years ago
I need help i don’t understand
suter [353]
The answer should be B, in other words 41
8 0
2 years ago
Plz help worth 50 points
serious [3.7K]

Answer:

The answer is A

Step-by-step explanation:

Starting from -3 in the Y values of option A. If you subtract three from each value, you will get the next value to the right.

  • -3 minus -3 = -6
  • -6 minus -6 = -9

       

6 0
3 years ago
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Helpppppppp pleaseeeeee
olga nikolaevna [1]

Answer:

7a + b - 16c

Step-by-step explanation:

So we have

7a-3b+c-8c+4b-9c

When it comes to problem like these, you need to combine like terms.

There's only one 'a' number, so that one remains the same.

Next, we have -3b and 4b. (-3b+4b)= b

Finally, there's (c-8c-9c).

(-8c-9c)= -17c

Take that and add the positive 'c' to it.

(-17c+c)= -16c

Put it all together now to get:

7a + b - 16c

I hope that helped and helped you understand at least a little

:)

6 0
3 years ago
If Pam can install 12 insulators in 15 hours, how long does it take to install one insulator
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The time it takes to install 1 insulator would be 1.25 hours
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