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Tomtit [17]
2 years ago
7

surface area of a cylinder with a radius of 8 centimeters and height of 10 centimeters? express the answer in hundredths.

Mathematics
1 answer:
satela [25.4K]2 years ago
7 0

Answer:

A≈904.78cm²

Step-by-step explanation:

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The time between arrivals of taxis at a busy intersection is exponentially distributed with a mean of 10 minutes. (a) What is th
Sindrei [870]

Answer:

a) 0.0025

b) 0.9975

c) 23.03 minutes

d) 23.03 minutes

Step-by-step explanation:

Let X be the random variable that measures the time waited for a taxi.  

If X is exponentially distributed with a mean of 10 minutes,then the probability that you have to wait more than t minutes is  

\large P(X>t) = e^{-t/10}

a)  

1 hour = 60 minutes, so the probability that you wait longer than one hour is

\large P(X>60)=e^{-6}=0.0025

b)

Due to the “memorylessness” of the exponential distribution, the probability that you have to wait 10 or less minutes after you have already waited for one hour, is the same as the probability that you have to wait 10 or less minutes

\large P(X\leq 10)=1-e^{-6}=0.9975

c)

We want x so that

P(X>x)=0.1

\large e^{-x/10}=0.1\rightarrow -x/10=ln(0.1)\rightarrow x=-10ln(0.1)=23.03\;minutes

d)

We want P(X<x)=0.9

\large 1-e^{-x/10}=0.9\rightarrow e^{-x/10}=0.1\rightarrow x=-10ln(0.1)=23.03\;minutes

4 0
3 years ago
PLEASE HELP
ValentinkaMS [17]

Answer:

yes you are correct

Step-by-step explanation:

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3 years ago
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Can someone answer this question please please help me I really need it if it’s correct I will mark you brainliest .
I am Lyosha [343]

Formula for the area of a quarter circle: A = (pi x r^2) / 4

A = (3.14 x 64) / 4

A = 200.96 / 4

A = 50.24 square yards

Hope this helps! :)

5 0
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What are the coordinates of the midpoint of the line segment with endpoints J (-6, 3) and K (4, -2)
GarryVolchara [31]
It’s C. (-1, 0.5). you add the x coordinates and divide by two and then add the y coordinates and divide by two.
6 0
3 years ago
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1.64698101 rounded to the nearest hundred-thousandth is?
muminat

Answer:

1.64698 is the correct answer.

Step-by-step explanation:

3 0
3 years ago
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