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3 years ago

9

the length of a large Conference room is 6 feet more than its width.Find the length and the width of the room if its perimeter i

s 60 feet...

1 answer:

slamgirl [31]3 years ago

5 0

Multiple question answer?

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I will get 10% off if and only if i spent at least $75.

sveta [45]

Answer:

great for you my guy

Step-by-step explanation:

im pretty sure you have the answer now but thanks for the points

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2 years ago

A quantity x has cumulative distribution function p(x) = x − x2/4 for 0 ≤ x ≤ 2 and p(x) = 0 for x < 0 and p(x) = 1 for x &gt

34kurt

$F_X(x)=\begin{cases}0&\text{for }x2\end{cases}$

Recall that the PDF is given by the derivative of the CDF:

$f_X(x)=\dfrac{\mathrm dF_X(x)}{\mathrm dx}=\begin{cases}1-\dfrac x2\\\\0&\text{otherwise}\end{cases}$

The mean is given by

$\mathbb E[X]=\displaystyle\int_{-\infty}^\infty x\,f_X(x)\,\mathrm dx=\int_0^2\left(x-\dfrac{x^2}2\right)\,\mathrm dx=\frac23$

The median is the number $M$ such that $F_X(x)=\mathbb P(X\le M)=\dfrac12$ . We have

$F_X(M)=M-\dfrac{M^2}4=\dfrac12\implies M=2\pm\sqrt2$

but both roots can't be medians. As a matter of fact, the median must satisfy $0\le M\le2$ , so we take the solution with the negative root. So $M=2-\sqrt2$ is the median.

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3 years ago

Choose the equation that you can use to solve

dybincka [34]

Step-by-step explanation:

step 1. #1 has no x

step 2. #2 has infinite solutions

step 3. #4 has y but no x

step 4. x^2 - x = 6 can be solved for x.

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2 years ago

What is the least common denominator of 17/50 and 4/15

Charra [1.4K]

The least common denominator is 150. 15x10 = 150, and 50x3 = 150

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3 years ago

Read 2 more answers

F(x)=-2x^2-4x+6 in factored form

schepotkina [342]

Answer:

= (X-1) (-2X- 6)

Step-by-step explanation:

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3 years ago