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vladimir1956 [14]
3 years ago
9

What is the coefficient of n^2 in the sum of -5^4+4n^2-n+5 and 7n^4-5n^3-9n^2+3n+2

Mathematics
1 answer:
pickupchik [31]3 years ago
4 0
Hello :
-5^4+4n^2-n+5  : the coefficient of n^2 is : 4<span>
 7n^4-5n^3-9n^2+3n+2 : </span><span>he coefficient of n^2 is :-9</span>
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Solve the system of equations using elimination.<br> 4x - 7y = 5<br> 8x + 3z = -35<br> 6y + 3z = 15
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Answer:

x=-5/8, y=15/2, z=-10. (-5/8, 15/2, -10).

Step-by-step explanation:

4x-7y=5

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----------------

4x=7y+5

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-----------------------

14y+3z=-45

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------------------

14y+3z=-45

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---------------------

14y+3z=-45

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--------------------

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