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vagabundo [1.1K]
2 years ago
9

−4/9f=−3 Help I’m cool

Mathematics
1 answer:
lana66690 [7]2 years ago
4 0

Im pretty sure the answer is 6.750 but not 100% sure so you might get it wrong if you go with my answer

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2 years ago
a normal distribution has a mean of 10 and a standard deviation of 1 what is the probability of selecting a number between 8 and
rusak2 [61]

Answer:

0.815

Step-by-step explanation:

First, find the z-scores.

z = (x − μ) / σ

z₁ = (8 − 10) / 1

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z₂ = 1

P(-2 < Z < 1) = P(Z < 1) − P(Z < -2)

Use a chart, calculator, or the empirical rule to find the probability.

Using the empirical rule:

P(-2 < Z < 1) = 0.84 − 0.025

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Using a chart:

P(-2 < Z < 1) = 0.8413 − 0.0228

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3 years ago
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2 years ago
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The distance y (in miles) that a truck travels on x gallons of gasoline is represented by the equation y = 18x.
Lapatulllka [165]

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6 0
2 years ago
Melinda spend 4 hours reviewing for her midterm exams. She spend 1/4 of the time studying for social studies. How many hours did
galben [10]
Hello!

To find this you have to divide the total number of hours studied by the time spent studying social studies

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3 0
3 years ago
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