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yKpoI14uk [10]
3 years ago
15

Factor completely 5x2 − 40.

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
7 0
The answer will be 5(x^2-8)
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Step-by-step explanation:

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Phillip averages 20 miles per hour when road biking. How long does it take him to bike 1 mile at this rate?
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3 years ago
What does f equal in the equation:<br> -4(2f-6)=-9f+7f
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Step-by-step explanation:

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3 years ago
Erica's travel plans include 4 independent flights. The chance of a flight being on time is 90%. What is the probability that al
e-lub [12.9K]

Since the chance of a flight being on time is 90%. The probability that all of Erica's flights will be on time is B 66%.

To answer the question, we need to know what probability is

<h3>What is probability?</h3>

This is the likelihood for an event to occur. It is given by

P(event) = number of required outcomes/total number of outcomes

Now, given that Erica's travel plans include 4 independent flights. The chance of a flight being on time is 90%. So, P(flight) = 90%. Since they are indepent, we multiply their probability.

<h3>Probability that all of Erica's flights will be on time</h3>

So, the probability that all of Erica's flights will be on time is P(on time) = P(flight) × P(flight) × P(flight) × P(flight)

= [P(flight)]⁴

= (90%)⁴

= (0.9)⁴

= 0.656

≅ 0.66

= 66%

So, the probability that all of Erica's flights will be on time is B 66%.

Learn more about probability here:

brainly.com/question/25870256

#SPJ1

8 0
2 years ago
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