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omeli [17]
3 years ago
6

Help I can't figure this out

Mathematics
1 answer:
Solnce55 [7]3 years ago
3 0
If that were an entire circle, the entire area would be:
area = PI * radius ^2
area = <span> <span> <span> 113.0973355292

Since it is 165 degrees, then the area equals
165 / 360 * </span></span></span><span>113.0973355292
</span>
<span> <span> <span> equals 51.8362787842 </span> </span> </span>

answer is b


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The number of bacteria in a colony increases by 10% every 2 hours. What is the overall percent increase after 4 hours?
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The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours.

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2 years ago
Expand or factor each of the following expressions to determine which expressions are equivalent.​
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(3x-4y)^2=9x^2-24x+16y^2
(3x-2)(9x^2+6x+4)=27x^3-8
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3 years ago
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A manufacturer of bottled tea runs a promotion, where consumers can win a free bottle of tea if the cap of the bottle says "Winn
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Answer:

A

Step-by-step explanation:

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The diameters of bolts produced in a machine shop are normally distributed with a mean of 5.725.72 millimeters and a standard de
suter [353]

Answer:

Top 5% is 5.84 milliters and the bottom 5% is 5.60 millimeters.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 5.72, \sigma = 0.07

Top 5%:

X when Z has a pvalue of 0.95. So X when Z = 1.645

Z = \frac{X - \mu}{\sigma}

1.645 = \frac{X - 5.72}{0.07}

X - 5.72 = 1.645*0.07

X = 5.84

Bottom 5%:

X when Z has a pvalue of 0.05. So X when Z = -1.645

Z = \frac{X - \mu}{\sigma}

-1.645 = \frac{X - 5.72}{0.07}

X - 5.72 = -1.645*0.07

X = 5.60

Top 5% is 5.84 milliters and the bottom 5% is 5.60 millimeters.

7 0
3 years ago
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the atlanta braves are offering bobblehead to every 10th person who enters your fundraiser. the nashville predators are offering
Paha777 [63]

In this situation, attendee number thirty will be the first one o receive both the bobblehead and the ticket.

<h3>Which attendees will receive the bobblehead and the ticket?</h3>

Bobblehead:

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  • Attendee number 20
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Ticket:

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<h3>What can be concluded?</h3>

It can be concluded the attendee number 30 will be the first one to receive both the ticket and the bobblehead.

Learn more about ticket in: brainly.com/question/14001767

#SPJ1

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