The slope formula can be used to prove that a triangle has

The length of a rectangle is twice it’s width of the area of the rectangle is 50 in^2 , find its perimeter.

Nitella [24]

L = 2W
A = 50
A = L x W
50 = 2W x W
50 = 2W^2
W^2 = 25
W = 5
so L = 2W = 2(5) = 10

P = 2(L+W)
P = 2(10+5)
P = 2(15)
P = 30

answer
P = 30 in

8 0

4 years ago

Will Reward Brainliest!

notsponge [240]

Hey there!

So, I solved it for you but I couldn't type it here because they don't have everything I need :) . Please see the pictures below for the answer.

Best of luck!

If you need help in the future, just send me a message then I'll help you out :)

Garebear~

8 0

3 years ago

Two companies, A and B, make express delivery for small-item packages in a city. Company A charges a flat fee of RM70 per packag

bazaltina [42]

Using the normal probability distribution and the central limit theorem, it is found that:

a) There is a 0.1922 = 19.22% probability that Company B would charge more than Company A to deliver a small-item package.

b) The mean amount charged is of RM 51.5, with a standard deviation of 21.35.

In a normal distribution with mean $\mu$ and standard deviation $\sigma$ , the z-score of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

It measures how many standard deviations the measure is from the mean.
After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

By the Central Limit Theorem:

When a fixed constant k multiplies a variable, the mean is $k\mu$ and the standard deviation is $k\sigma$
When two normal variables are subtracted, the mean is the subtraction of the means, while the standard deviation is the square root of the sum of the variances.