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blsea [12.9K]
3 years ago
5

pls stop reporting point giveawys saying that its against terms of service when your account is 10 times worse anyways here is s

ome points
Mathematics
2 answers:
Lapatulllka [165]3 years ago
5 0

Answer:

Thank you :)

Step-by-step explanation:

german3 years ago
4 0

Answer: thanks step bro

Step-by-step explanation:

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Three weeks ago John bought stock at 49 1/4 ; today the stock is valued at 49 7/8. We could say the stock is preforming at which
Blizzard [7]
1/4 is 2/8 so it would be going up
6 0
3 years ago
What is the solution to these equations y= 2x +1 and x +2y= 27
Llana [10]

Answer:

The first one is -1/2

the second one is x+2y-27=0

5 0
2 years ago
Kenya has 2 hours to make a 104 mile trip. What rate must she average to make the trip in 2 hours? A) 50 mph B) 51 mph C) 52 mph
sattari [20]
C. 52 mph.
104\2 = 52
8 0
3 years ago
Grasshoppers are distributed at random in a large field according to a Poisson process with parameter a 5 2 per square yard. How
HACTEHA [7]

In this question, the Poisson distribution is used.

Poisson distribution:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

Parameter of 5.2 per square yard:

This means that \mu = 5.2r, in which r is the radius.

How large should the radius R of a circular sampling region be taken so that the probability of finding at least one in the region equals 0.99?

We want:

P(X \geq 1) = 1 - P(X = 0) = 0.99

Thus:

P(X = 0) = 1 - 0.99 = 0.01

We have that:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 0) = \frac{e^{-5.2r}*(5.2r)^{0}}{(0)!} = e^{-5.2r}

Then

e^{-5.2r} = 0.01

\ln{e^{-5.2r}} = \ln{0.01}

-5.2r = \ln{0.01}

r = -\frac{\ln{0.01}}{5.2}

r = 0.89

Thus, the radius should be of at least 0.89.

Another example of a Poisson distribution is found at brainly.com/question/24098004

3 0
3 years ago
Simplify the following polynomial:<br> (3ax +2a - 3a²x) + (3a²x - 5ax - a) + 8a
Nataly_w [17]
8ax+9a is the answer
3 0
3 years ago
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