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ASHA 777 [7]
2 years ago
15

Help please?? What do I put for the last 2??

Mathematics
2 answers:
bija089 [108]2 years ago
7 0

Answer:

I Didnt mean to answer sorry i cant help

I dont know

How Go back Srry Again

GenaCL600 [577]2 years ago
7 0
Answer: 4(5j+3j) = 32j and 4(3j) = 12j

explanation: you have to distribute the 4 into both of the problems. when you do this for the first one you get (20j+12j) and that just adds up to 32j. when you do this for the second one you get 12j
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One number is 1/4 of another number. The sum of the two numbers is 5. Find the two numbers. Use a comma to separate your answer
masha68 [24]

Answer: 1, 4

Step-by-step explanation:

  • Number #1 = x
  • Number #2 = \frac{1}{4} x

\frac{1}{4} x+x=5\\\\\frac{1}{4} x+\frac{4}{4} x=5\\\\\frac{5}{4} x=5\\\\5x=4*5\\5x=20\\x=4

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6 0
3 years ago
A researcher plans to conduct a significance test at the 0.01 significance level. She designs her study to have a power of 0.90
Rasek [7]

Answer: 0.10

Step-by-step explanation: The type 2 error is committed when the alternative hypothesis is rejected when it should have been accepted causing the researcher to accept the null hypothesis which is false.

Power is the probability of avoiding a type 2 error. That is ;

Power = 1 - P(type 2 error)

Given that power = 0.90 ; P(type 2 error) = probability of committing a type 2 error.

P(type 2 error)' = 1 - P(type 2 error) = Probability of not committing or avoiding a type 2 error

0.90 = 1 - P(type 2 error)

P(type 2 error) = 1 - 0.90

P(type 2 error) = 0.10

6 0
3 years ago
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