3 years ago

1/2x+4 in factored form

Mathematics

1 answer:

hammer [34]3 years ago

5 0

$\frac{1}{2}x+4 =\boxed{\bf{ \frac{1}{2}(x+8)}}$

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A fair four-sided die has two faces numbered 0 and two faces numbered 2. Another fair four-sided die has its faces numbered 0, 1

Mandarinka [93]

The two dice have PMFs

$P(X=x)=\begin{cases}\dfrac12&\text{for }x\in\{0,2\}\\\\0&\text{otherwise}\end{cases}$

$P(Y=y)=\begin{cases}\dfrac14&\text{for }y\in\{0,1,4,5\}\\\\0&\text{otherwise}\end{cases}$

The sum of the two rolls can take on 8 different values:

$W=\begin{cases}0&\text{if }x=0,y=0\\1&\text{if }x=0,y=1\\2&\text{if }x=2,y=0\\3&\text{if }x=2,y=1\\4&\text{if }x=0,y=4\\5&\text{if }x=0,y=5\\6&\text{if }x=2,y=4\\7&\text{if }x=2,y=5\end{cases}$

The outcome of either roll is independent of the other, so that

$P(X=x\text{ and }Y=y)=P(X=x)P(Y=y)$

a. Then PMF of $W$ is

$P(W=w)=\begin{cases}\dfrac12\cdot\dfrac14=\dfrac18&\text{for }w\in\{0,1,2,3,4,5,6,7\}\\\\0&\text{otherwise}\end{cases}$

b. The histogram is nothing special, same as the discrete uniform distribution over the interval [0, 7].

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4 years ago

Danielle and Mandy each ordered a large pizza for dinner. Danielle's pizza was cut into sixths, and Mandy's pizza was cut into t

Strike441 [17]

She has to eat 4 / 12 since its equivalent to 2/6

6 0

3 years ago

Read 2 more answers

What are the answers to these??

Mariulka [41]

7a. Line D
7b. Lines A and B
7c. Lines A and D
7d. Lines B and D

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4 years ago

Help me answer 2. 3. And 5. Please…….

expeople1 [14]

Answer:

5=4=3--35-=3

Step-by-step explanation:

6 0

2 years ago

Let f(x) = 12 over the quantity of 4 x + 2. Find f(−1). (1 point)

mylen [45]

Answer:

-6

Step-by-step explanation:

Hope I understand your "f(x) = 12 over the quantity of 4 x + 2" correctly

f(x) = 12 / 4x +2

Now so they want a f(-1), as u can see they substituted the x for - 1, therefor do that the same to the right side

f(-1) = 12/ 4(-1) + 2

f(-1) = 12 / - 4+2

= 12/ - 2

= - 6

6 0

3 years ago