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Tamiku [17]
3 years ago
11

Not sure need help ​

Mathematics
1 answer:
lord [1]3 years ago
3 0

Answer:

9

Step-by-step explanation:

3-2i+8=23

5+2i+23

2i=18

i=-9

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Answer:

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Step-by-step explanation:

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What is the simplet form of 7<br> —<br> 12?
inysia [295]

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Step-by-step explanation:

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6 0
3 years ago
A fair die is cast four times. Calculate
Anestetic [448]

Answer:

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Step-by-step explanation:

You can solve this using the binomial probability formula.

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n=4, x=2, k=2

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when x=3  (4 3)(1/6)^3(5/6)^4-3 = 0.0154

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Add them up, and you should get 0.1319 or 13.2% (rounded to the nearest tenth)

4 0
2 years ago
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