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3 years ago

What is the answer for 710 1/4 - -320 1/2

Mathematics

1 answer:

OLEGan [10]3 years ago

6 0

Answer:

389 and 3/4

Step-by-step explanation:

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Charlotte is running at a rate of 9 KM/H.

Alex17521 [72]

Answer:

Step-by-step explanation:

$9~km/h=\frac{9 \times ~1000}{1 \times 60 \times 60}=\frac{5}{2} m/s}$

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2 years ago

Let X denote the distance (m) that an animal moves from its birth site to the first territorial vacancy it encounters. Suppose t

hammer [34]

Answer:

a) P(X<100)=0.7855

P(X<200)=0.9418

P(100<X<200)=0.1830

b) P(X>M+2σ)=0.0498

c) Median = 48.74 m

Step-by-step explanation:

If the distance X is modeled by an exponential distribution, with parameter λ=0.01422, we have:

The cumulative probability function can be expressed as:

$F(x)=1-e^{-\lambda x}=1-e^{-0.01422 x}$

a) The probability that the distance is at most 100 m is:

$F(100)=1-e^{-0.01422\cdot 100}=1-e^{-1.422}=1-0.2412=0.7588$

The probability that the distance is at most 200 m is:

$F(200)=1-e^{-0.01422\cdot 200}=1-e^{-2.844}=1-0.0582=0.9418$

The probability that the distance is between 100 and 200 m is:

$F(200)-F(100)=0.9418-0.7588=0.1830$

b) The mean is M=1/λ=70.3235 and the standard deviation σ=1/λ=70.3235.

So we have to calculate the probability that X exceeds 2 times the s.d. from the mean:

$x=M+2\sigma=70.3235+2*70.3235=210.97\\\\P(x>210.97)=1-F(210.97)\\\\P(x>210.97)=e^{-0.01422*210.97}=e^{3}=0.0498$

c) The value of the median distance is

$Median=ln(2)/\lambda=0.69314/0.01422=48.74$

7 0

3 years ago

How are below 0, -10 and -20 related?<br><br>It's an emergency! PLEASE HELP

Leviafan [203]

Answer:

-10 is subtracted from each one starting from 0

hope it helps

6 0

3 years ago

Point C lies between points A and D. If AC = 7 inches and CD = 13 inches, what is the measure of AD?

uysha [10]

Answer:

AD=20 inches

Step-by-step explanation:

Add the measure of AC and CD and it would equal AD

3 0

3 years ago

I NEED HELP PLEASE I DONT UNDERSTAND AND CANT FAIL

butalik [34]

Answer:

Step-by-step explanation:

8 0

3 years ago

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