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3 years ago

Find the area of this regular polygon. Round to the nearest tenth. 8.8 ft

Mathematics

1 answer:

Akimi4 [234]3 years ago

7 0

Answer:

I don't really know but I'm pretty sure u can fix it and answer this question

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What is the equation of the line?

hram777 [196]

Answer:

The Second one y=1/3x

Step-by-step explanation:

Because when you substitute x by 3 ( for example) then, you get y = 1

and that's right from the graph.

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3 years ago

0.45 repeating as a fraction

stira [4]

0.9090909.../2
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3 years ago

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HELP, 50 POINTS!!

Contact [7]

Answer:

d. f opens upward with a y-intercept at (0, 2); h opens downward with a y-intercept at (0, -2)

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3 years ago

Explain how you used the bar model and exercise to to solve the problem

MariettaO [177]

You need to show us the bar model

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3 years ago

What is the probability that the mean duration of the 24 rowers with idna exceeds 63 minutes?

statuscvo [17]

Answer:

Step-by-step explanation:

Given that: Training-session duration of female rowers with normal iron status is Normally distributed, with mean 69 minutes and standard deviation 18minutes.

Solution:

z score shows the relationship between sample means. The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by the formula:

$z=\frac{x-\mu}{\sigma}\\\\for\ sample(n):\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} } \\\\where\ \mu=mean,\sigma=standard\ deviation,x=raw\ score$

Given that μ = 69 minutes, σ = 18 minutes, n = 24

For x > 63 minutes:

$z=\frac{x-\mu}{\sigma / \sqrt{n} } =\frac{63-69}{18/\sqrt{24} }=-1.63$

From the distribution table, P(x > 63) = P(z > -1.63) = 1 - P(z < 1.63) = 1 - 0.0516 = 0.9484

7 0

3 years ago