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3 years ago

2) 62 - 46 +4 = 0 quadratic formula

Mathematics

1 answer:

AleksandrR [38]3 years ago

4 0

This does not need the quadratic formula since there are no variables to begin with:

62-46+4 = 0

20 = 0.

And 20 does not equal 0 so both sides aren't equal.

Soooo not much to do with this question.

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30 PTS HELP ME ASAP! PLEASE! IM TIRED AND NEED HELP!

almond37 [142]

Answer:

Step-by-step explanation:

Slope is an average. In this particular context, the slope of 6.9 (or 7) means that an average of 7 people entered the store every hour.

If x is the number of hours the store is open and we are told to find the number of customers that have entered the store after 5 hours, we fill in the equation as follows:

y = 7(5) + 10 and

y = 35 + 10 so

y = 45.

If you use 6.9 instead of 7:

y = 6.9(5) + 10 and

y = 34.5 + 10 so

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Since you can't count a half of a person, using 7 instead of 6.9 makes more sense.

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3 years ago

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Mariulka [41]

Answer:

Step-by-step explanation:

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3 years ago

The amount of time it takes Evelyn to go grocery shopping is continuous and uniformly distributed between 20 minutes and 44 minu

vivado [14]

Answer:

85.71% probability that it takes Evelyn less than 38 minutes given that it takes less than 41 minutes for her to go grocery shopping

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X lower than x is given by the following formula.

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Uniformly distributed between 20 minutes and 44 minutes.

This means that $a = 20, b = 44$ .

What is the probability that it takes Evelyn less than 38 minutes given that it takes less than 41 minutes for her to go grocery shopping

We know that it takes less than 41 minutes, so we can update b to 41.

$P(X < 38) = \frac{38 - 20}{41 - 20} = 0.8571$

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3 years ago

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d1i1m1o1n [39]

See attached files for detailed solutions

Download docx

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romanna [79]

Answer:

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Step-by-step explanation:

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3 years ago

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