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otez555 [7]
3 years ago
11

Which is true of the slopes of parallel lines?

Mathematics
2 answers:
Arlecino [84]3 years ago
5 0

They have equal slopes.

Its A

Alex3 years ago
3 0

Answer:

A. They have equal slopes

Step-by-step explanation:

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On a particular production line,the likelihood that a light bulb is defective is 5%. Ten light bulbs are randomly selected. What
KengaRu [80]

Answer:

Mean and Variance of the number of defective bulbs are 0.5 and 0.475 respectively.

Step-by-step explanation:

Consider the provided information,

Let X is the number of defective bulbs.

Ten light bulbs are randomly selected.

The likelihood that a light bulb is defective is 5%.

Therefore sample size is = n = 10

Probability of a defective bulb = p = 0.05.

Therefore, q = 1 - p = 1 - 0.05 = 0.95

Mean of binomial random variable: \mu=np

Therefore, \mu=10(0.05)=0.5

Variance of binomial random variable: \sigma^2=npq

Therefore, \sigma^2=10(0.05)(0.95)=0.475

Mean and Variance of the number of defective bulbs are 0.5 and 0.475 respectively.

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2 years ago
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Step-by-step explanation:

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3 years ago
-7x + 9 In the expresion show, which of the following is the constant?
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Answer:

9

Step-by-step explanation:

The constant is the plain number that doesn't have a letter attached.

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24 because the ratio is 5:8 and you have to multiply 5 by 3 to get 15
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Find the interquartile range 18,20,21,22,24,24,25
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