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2 years ago

What is 720° converted to radians? 1/4 pi/4 4/pi 4(pi)

Mathematics

1 answer:

Natasha2012 [34]2 years ago

7 0

The converted to radians is 4(pi)

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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

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

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

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

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

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

We want x so that

P(X>x)=0.1

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

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 ME ASAP**

Phantasy [73]

1) m=8d $40
2) d=15h 45 mi
3) less than one hour

5 0

3 years ago

Please answer at least one of them.

dsp73

Hey there find an image attached..

8 0

3 years ago

Read 2 more answers

8x(5+10)= (8x5) + (5x10)

Slav-nsk [51]

Answer:

i think its x= 0.75

Step-by-step explanation:

substitute:

8x × 5 = 40x

8x × 10 = 80x

8 × 5 = 40

5 × 10 =50

40x + 80x = 40 + 50

add like terms

so it'd be:

120x = 90

now divide 90 by 120 and that would give you the value of x alone which is 0.75

7 0

3 years ago

Read 2 more answers

Factor -12n-24 Pleasee helppp

Novosadov [1.4K]

-12 n - 24 = -12 (n+2)

-12 (n+2) is the answer

7 0

3 years ago

Read 2 more answers