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rosijanka [135]
3 years ago
15

Can someone help with the polynomials? Please

Mathematics
1 answer:
kolbaska11 [484]3 years ago
8 0

Answer:

22x^2 -10xy + 12x

Step-by-step explanation:

To add and subtract polynomials, combine only like terms. When doing it vertically, stack polynomials and line up the same bases and exponents. Once this is done, simply add and subtract the coefficients.

  10x^2 + 12xy + 4x

+ 12x^2 -22xy + 8x

_________________

22x^2 -10xy + 12x

Here we added 10 + 12 = 22, 12 + -22 = -10 and 4 + 8 = 12.

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Work out the length of ab, give your answer to 3 significant figures
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Answer:

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Step-by-step explanation:

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Using Distance Formula to find the length

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=> D = \sqrt{(10-1)^2+(3-7)^2}

=> D = \sqrt{(9)^2+(-4)^2}

=> D = \sqrt{81+16}

=> D = \sqrt{97}

=> D = 9.85 units (Upto 3 sfs)

7 0
3 years ago
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crimeas [40]

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<h3>How to determine the number of yellow golf balls?</h3>

The distribution of the balls are given as:

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The number of yellow balls is given as:

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Read more about proportion at:

brainly.com/question/1781657

#SPJ1

7 0
2 years ago
What is -3(x+9)=15?
Vadim26 [7]
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Answer:

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