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Anni [7]
2 years ago
10

Two fair dice are thrown. Let X be a random variable giving the score on the rst die and Y be a random variable giving the large

r of the two scores. Write down the joint distribution of X and Y . Find the mean and variance of Y
Mathematics
1 answer:
defon2 years ago
5 0

Answer:

idk

idkidk

Step-by-step explanation:

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Find the ratio y:x, if 3x=11y,
Aleks [24]

Answer:

3:11

Step-by-step explanation:

3x=11y

<u>Rearrange to the format of the ratio.</u>

11y = 3x

<u>Let's find </u><u>y/x</u><u>. </u><u>y/x</u><u> is </u><u>y:x.</u>

11y = 3x

<u>Divide both sides by </u><u>11</u><u>.</u>

11y/11 = 3x/11

y = 3x/11

<u>NOW LET'S DIVIDE BOTH SIDES BY </u><u>x</u><u> TO GET </u><u>x</u><u> AS THE DENOMINATOR OF </u><u>y</u><u>.</u>

y = 3x/11

y/x = (3x/11)/x

y/x = (3x/11) * 1/x

y/x = 3/11

Therefore, y:x = 3:11

Please thank, rate 5 stars, and give brainliest. Thank you.

7 0
3 years ago
28 percent of 63 is what
baherus [9]
The answer is 17.64    

4 0
3 years ago
Read 2 more answers
Which of these equations represent functions? Check all that apply.
AVprozaik [17]
A is quadratic function
B is equation of a circle
C is equation of a line
D is hiperbolic funciotn
5 0
3 years ago
What property is -3(m+8)=-3m-24
Damm [24]

Answer:

All real numbers are solutions.

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−3(m+8)=−3m−24

(−3)(m)+(−3)(8)=−3m+−24(Distribute)

−3m+−24=−3m+−24

−3m−24=−3m−24

Step 2: Add 3m to both sides.

−3m−24+3m=−3m−24+3m

−24=−24

Step 3: Add 24 to both sides.

−24+24=−24+24

0=0

Answer:

All real numbers are solutions.

8 0
2 years ago
Samuel paid $25.82 for gas this week, which was $3.47 less than he paid last week. How much had he paid last week?
Yuri [45]
Samuel was paid $29.29 last week.

Hope this helps
5 0
3 years ago
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