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san4es73 [151]
2 years ago
8

I need help with this problem ASAP

Mathematics
1 answer:
omeli [17]2 years ago
7 0
Answers: 7x^2y^2 -3x+6y

I am not sure how to explain it but here you go
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Z^m-n (z^m+ z^m+n + z^n)
rusak2 [61]

Answer:Your left hand side evaluates to:

m+(−1)mn+(−1)m+(−1)mnp

and your right hand side evaluates to:

m+(−1)mn+(−1)m+np

After eliminating the common terms:

m+(−1)mn from both sides, we are left with showing:

(−1)m+(−1)mnp=(−1)m+np

If p=0, both sides are clearly equal, so assume p≠0, and we can (by cancellation) simply prove:

(−1)(−1)mn=(−1)n.

It should be clear that if m is even, we have equality (both sides are (−1)n), so we are down to the case where m is odd. In this case:

(−1)(−1)mn=(−1)−n=1(−1)n

Multiplying both sides by (−1)n then yields:

1=(−1)2n=[(−1)n]2 which is always true, no matter what n is

8 0
3 years ago
Select the correct product <br> (x2+4) (x2-4)<br><br> x4 16<br> x4+16<br> x2+8x+16<br> x2 8x 16
natka813 [3]
The answer would be x^4 -16
Explanation: use the FOIL method.
(x^2 +4)(x^2 -4)= x^4 +4x -4x -16. 4x and -4x cancel each other out. You are left with x^4 -16.
F- irst
O- uter
I- nner
L- ast
8 0
3 years ago
Identify the undefined term that best models each object. a crease in a garment.
zvonat [6]

Answer:#carry on learning

Mark me as brainliest

hope it's help

The three undefined terms are point, line, and plane. Thus, figure D represents an undefined term as it's a line.

3 0
3 years ago
is x-1 taking away an x or adding an x?? im trying to find the perimeter of area tiles, and the perimeter is x + x + x + (x-1) +
Vanyuwa [196]

Answer:

4x + 2

Step-by-step explanation:

x - 1 is adding an x and subtracting a 1 ,so

x + x + x + (x - 1) + 1 + 1 + 1

= x + x + x + x - 1 + 1 + 1 + 1 ← collect like terms

= 4x + 2

3 0
2 years ago
Find the value of x
Dvinal [7]
Answer
67.5

45° would be the other angle of 2x°

180° - 45° = 135°

135/45 = 67.5°
6 0
3 years ago
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