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3 years ago

HELP ME HELP ME HELP ME

Mathematics

2 answers:

olya-2409 [2.1K]3 years ago

8 0

The Horizontal Asymptote of the function is 0 because the degree on top is less than the degree on bottom

const2013 [10]3 years ago

6 0

This one is 0 since the denominator is on higher degree than the numerator

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The perimeter of the rectangle is 2,500 cm. Find the unknown side length. the other side is 750

sineoko [7]

Answer:

Step-by-step explanation:

Perimeter of a rectangle = 2l + 2w

where

l is the length

w is the width

From the question we have

$2500 = 2l + 2(750) \\ 2500 = 2l + 1500 \\ 2l = 2500 - 1500 \\ 2l = 1000 \\ \frac{2l}{2} = \frac{1000}{2} \\ l = \frac{1000}{2} \\ l = 500$

We have the final answer as

Hope this helps you

4 0

3 years ago

Suppose the lifetime, in years, of a motherboard is modeled by a Gamma distribution with parameters α=80 and λ=4. Use the Centra

timurjin [86]

Answer:

Therefore there's a 99.99% probability the motherboard of your new computer will last for at least 15 years.

Step-by-step explanation:

This is the general idea to solve the problem.

Suppose that the mean and variance of the your distribution are . $\mu , \sigma$ respectively. Then, according to the problem you are looking for the probability.

$P(X \geq 15) = 1 - P(X$

Consider then the following random variable.

$T = X_1 + X_2 + .... + X_{14}$

Using the central limit theorem $T$ distribution will be close to normal, and its mean and variance will be $14\mu , 14\sigma$ , respectively. Therefore you just have to find the probability that a normally distributed random variable with that mean and that variance which I just mentioned is less than 14.

For this case we have that

$\mu = \alpha / \gamma = 20 \\\sigma = \alpha(\alpha+1) / \gamma^2 - (\alpha/ \gamma)^2 = 5$

Then you have that

$14\mu = 280\\14\sigma = 70\\$

and we have that if $N$ is a normally distributed random variables with mean 280 and variance 70 we have that

$P(N \leq 14 ) = 0.0001$

the actual probability we are looking for is

$1-P(N\leq14) = 1-(0.0001) = 0.9999$

Therefore there's a 99.99% probability the motherboard of your new computer will last for at least 15 years.

5 0

3 years ago

At the airport 42% of the people are there for international travel 51% of the people are there for domestic travel and the rest

klemol [59]

Answer:

there were 525 staff members at the airport.

4 0

3 years ago

Read 2 more answers

When the outliers are removed, how does the mean change?

vagabundo [1.1K]

Answer:

The mean increases by 3.

Step-by-step explanation:

<u>What's an outlier?</u>

An outlier is a data point that's very different from the other data points. In this example, the outlier is 50, as the other data points are around the number 80.

The mean is the average of a data set. It's found by adding up all the numbers in the set and then dividing by the number of data points there is.

<u>How do we solve this problem?</u>

First, we find the mean of the data set with the outlier, 50.

$\frac{50+76+78+79+79+80+81+82+82+83}{10}$
$\frac{770}{10}$
$77$

Next, we find the mean of the set without the outlier.

$\frac{76+78+79+79+80+81+82+82+83}{9}$
$\frac{720}{9}$
$80$

Lastly, we subtract 77 from 80 to find the difference.

$80 - 77 = 3$

Therefore, the answer is The mean increases by 3.

5 0

3 years ago

What is the exterior angle of triangle ABC<br><br> These are the points:<br> A=3, B=10, C=6

igor_vitrenko [27]

Based off of what I can see in the photo (its too blurry to know for sure) and what I think you're asking:

The angle of a triangle always adds up to 360degrees, so base it on that and the acute and obtuse angles and get the degrees from there, the angle would be those degrees you find or <10, 5, 4 (what I assume is a 5)

3 0

4 years ago