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3 years ago

Which number is rational?

Mathematics

1 answer:

marishachu [46]3 years ago

8 0

Answer:

Option D, $\sqrt{16}$ , since the answer is 4 which is a rational number considering that it's a whole number

Hope this helps!

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Convert the equation 2y^2- 5x+12y +23 = 0into standard form.

chubhunter [2.5K]

Answer:

(x,y) e ø

Step-by-step explanation:

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3 years ago

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Let Y be a random variable with a density function given by

Neporo4naja [7]

From the given density function we find the distribution function,

$F_Y(y)=P(Y\le y)=\displaystyle\int_{-\infty}^y f_Y(t)\,\mathrm dt=\begin{cases}0&\text{for }y$

(a)

$F_{U_1}(u_1)=P(U_1\le u_1)=P(3Y\le u_1)=P\left(Y\le\dfrac{u_1}3\right)=F_Y\left(\dfrac{u_1}3\right)$

$\implies F_{U_1}(u_1)=\begin{cases}0&\text{for }u_1$

$\implies f_{U_1}(u_1)=\begin{cases}\frac{{u_1}^2}{18}&\text{for }-3\le u_1\le3\\0&\text{otherwise}\end{cases}$

(b)

$F_{U_2}(u_2)=P(3-Y\le u_2)=P(Y\ge3-u_2)=1-P(Y$

$\implies F_{U_2}(u_2)=\begin{cases}0&\text{for }u_2$

$\implies f_{U_2}(u_2)=\begin{cases}\frac32(u_2-3)^2&\text{for }2\le u_2\le4\\0&\text{otherwise}\end{cases}$

(c)

$F_{U_3}(u_3)=P(Y^2\le u_3)=P(-\sqrt{u_3}\le Y\le\sqrt{u_3})=F_Y(\sqrt{u_3})-F_y(\sqrt{u_3})$

$\implies F_{U_3}(u_3)=\begin{cases}0&\text{for }u_3$

$\implies f_{U_3}(u_3}=\begin{cases}\frac32\sqrt u&\text{for }0\le u\le1\\0&\text{otherwise}\end{cases}$

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3 years ago

the parking garage holds 300 cars on each level. There are 4 levels in the garage. How many cars can the parking garage hold in

nikklg [1K]

300*4. 1200 in total

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3 years ago

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25x25 in exponential form

Alexxandr [17]

25 to the 2 or 25^2

Explanation:
There are 2 25’s 25x25, so the amount of exponents is the same as the number of repeated numbers

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2 years ago

What is the 4th term of the geometric sequence with a=5 and ratio=3

denis23 [38]

The 4th term is 135
n-1
you get it by using the formula Tn= ar <span />

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3 years ago