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Anni [7]
3 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:
defon3 years ago
5 0

Answer:

idk

idkidk

Step-by-step explanation:

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Evaluate the expression. 0.1×( – 0.9+ – 0.2÷ – 0.5) Write your answer as an integer or a decimal. Do not round.
matrenka [14]

Answer:

-0.05

Step-by-step explanation:

Given the expression :

0.1×( – 0.9+ – 0.2÷ – 0.5)

Evaluating the bracket :

0.1 * (-0.9 - 0.2 ÷ - 0.5)

Solving the division first

-0.2 ÷ - 0.5 = 0.4

Now we have ;

0.1 * (-0.9 + 0.4)

0.1 * - 0.5

= - 0.05

4 0
3 years ago
If f(x) = (2x^3 − 4)^6, then what is f '(x)?
Dominik [7]
The correct answer is:

6(2x^3-4)^5(6x^2)

Explanation:

That is the derivative after you differentiate using the Chain Rule.
4 0
3 years ago
The price of a gallon of milk is 3.75. circle the price of milk rounded to the nearest dollar
Dmitry_Shevchenko [17]
If the price of milk is $3.75 then the price of milk rounded to the nearest dollar would be $4.00. Hope this helps!!
8 0
3 years ago
Read 2 more answers
5 times the sum of 40 and 80. what is the numerical expression that would represent the phrase?
vlabodo [156]
<h2>Answer:</h2>

<u>The expression is</u><u> 5(40+80)</u>

<h2>Step-by-step explanation:</h2>

The sum of 40 and 80 can be written as

(40+80)

and when we take the 5 times of the sum

we can write as

5(40+80)

3 0
3 years ago
Why must fire extinguishers be routinely maintained?
eduard

Answer: the answer would be To make sure they remain effective.

Step-by-step explanation:

It wouldn't be to make sure they are up to code because fire extinguishers do not use code, code is used in electronics. For the second option and the last option it would not be this because they could be trained in a practice instead of using the real thing.

7 0
3 years ago
Read 2 more answers
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