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Dvinal [7]
4 years ago
7

(b^2 +8b-9) - (11b^2 -4b+7)

Mathematics
2 answers:
tatuchka [14]4 years ago
5 0
Use cymath it gives you the answer and shows you how to do it sel by step
rusak2 [61]4 years ago
3 0

I believe this would be -10b^2+12b-16

Hope this helps!

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aleksklad [387]
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3 0
3 years ago
When 2x^3-3x^2+kx-1 is divided by x-1 the remainder is 2 find k?​
Romashka-Z-Leto [24]

Answer:

  k = 4

Step-by-step explanation:

The remainder theorem tells you that the remainder from division of f(x) by (x-1) is f(1). Evaluating the expression for x=1 gives ...

  2(1³) -3(1²) +k(1) -1 = 2 -3 +k -1 = k -2

We want this to be equal to 2, so ...

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7 0
3 years ago
Which equation is a function of x?
artcher [175]

Answer:

C: X^2= Y

I got it right on Edge

3 0
4 years ago
Read 2 more answers
Find the sum of 5a and -9a
kari74 [83]

Answer:

-4a

Step-by-step explanation:

5a + -9a = -4a

hope this helps

7 0
3 years ago
Read 2 more answers
Please help I don't understand ​
DIA [1.3K]

Answer:

14/18

Step-by-step explanation:

7/9 x 2= 14/18

7/9=14/18

but not sure what proportion means but just look up definition and yeah

I hope this was helpful!

5 0
3 years ago
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