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nalin [4]
3 years ago
15

If 9a+6b+4c=7, what is -24b-16c-36a

Mathematics
1 answer:
Alexandra [31]3 years ago
3 0

Answer:

-24b - 16c - 36a = -28

Step-by-step explanation:

Given the initial equation of 9a + 6b + 4c = 7 and looking at the second equation of -24b - 16c - 36a, I notice that all of the coefficients of the variables have been multiplied by a factor of -4.  Since all of the factors have been multiplied by the same factor, multiplied the answer to the equation by a -4 as well will give us the answer to the problem.  Since the original answer is 7, multiplying this answer by a factor of -4:  (7)(-4) = -28.  

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Svetlanka [38]

Answer:

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Step-by-step explanation:

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Hope this helps! Good luck!

7 0
4 years ago
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Dafna11 [192]
X/6-33=-27
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5 0
2 years ago
Read 2 more answers
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ioda

Answer:

Step-by-step explanation:

Much depends on how accurate an estimate you want.

If "to the nearest hundred" would be acceptable (it's a lot of work),

Round off 542817 to 542820 and 27398 to 2740.  Then you'd want to subtract 2740 from 542820.  (Again, it's a lot of work.)

Otherwise round off to the nearest thousand:  543000 - 27000.

Or go to the nearest ten thousand:  540,000 - 30,000 = 510,000 (estimate)

4 0
3 years ago
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It's a deal.
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