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abruzzese [7]
3 years ago
13

Z² + 2z+1-w² Please factor.

Mathematics
1 answer:
Rus_ich [418]3 years ago
3 0
Your answer is (z+1+w) (z+1-w)
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Consider the sequence: 11, 21, 31, …, … , … What is the nth term of this sequence ?
LuckyWell [14K]
I would say that the "n"th term of the sequence is 41, as the pattern increases by 10 every term.
7 0
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6. Let A and B be nxn matrices . Compute (A + B) (A + B). Explain all steps.
Pie

Answer:

(A+B)(A+B)=A.A+B.A+A.B+B.B

Step-by-step explanation:

Given that matrices A and B are nxn matrices

We need to find (A+B)(A+B)

For understanding the multiplication of matrices let'take A is mxn and B is pxq matrices,we can multiple only when n=p,so our Ab matrices will be mxq.

We know that that in matrices AB is not equal to BA.

Now find  

(A+B)(A+B)=A.A+B.A+A.B+B.B

So from we can say that (A+B)(A+B) is not equal to A.A+2B.A+B.B because AB is not equal to BA in matrices.

So (A+B)(A+B)=A.A+B.A+A.B+B.B

4 0
2 years ago
Helppp!!!!
svetlana [45]

Answer:

1. he took 8/12 for lunch, but 1/12 is left

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Step-by-step explanation:

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3 0
3 years ago
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Solve 2 more please?
murzikaleks [220]

11.

(87+91+86+x)/4=90.

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8 0
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Answer:

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Step-by-step explanation:

4 2/3 - 1 2/3=3

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6 0
2 years ago
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