2 years ago

PLEASE HELP ME FIND THE SURFACE AREA OF THIS PRISM

Mathematics

1 answer:

Lena [83]2 years ago

8 0

Answer: i don't know

Step-by-step explanation: i don't know sorry

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Answer:

$11.25

Step-by-step explanation:

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3 years ago

The diameter of a circle is 10 meters. What is the area of the circle? (Use 3.14 for Pi and round to the nearest tenth.)

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Diameter=2*radius

=> radius=5 m

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Step-by-step explanation:

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The waiting time at an elevator is uniformly distributed between 30 and 200 seconds. what is the probability a rider must wait m

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1.5 minutes = 90 second

The probability density function is

$f_X(x)=\begin{cases}\dfrac1{200-30}=\dfrac1{170}&\text{for }30\le x\le200\\\\0&\text{otherwise}\end{cases}$

so the probability of interest is

$\mathbb P(X>90)=\displaystyle\int_{90}^\infty f_X(x)\,\mathrm dx$
$\mathbb P(X>90)=\dfrac1{170}\displaystyle\int_{90}^{200}\mathrm dx$
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