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Serga [27]
4 years ago
13

Let x and y be random variables of the continuous type having the joint p.d.f. f(x,y)=8xy

Mathematics
1 answer:
Nana76 [90]4 years ago
7 0
Part (d): use two different arguments
to evaluate whether X and Y are independent.
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On a certain hot​ summer's day, 288 people used the public swimming pool. The daily prices are $1.75 for children and $2.50 for
Yakvenalex [24]

Answer:

See explanation

Step-by-step explanation:

Let the number of adults = a and the number of children = c.

Since the number of people using the pool is 288, we know that a + c = 288

Based on the price information, we know that 1.75c + 2.5a = 528

Combining these two equations allows us to solve for the values of a and c, the process for which follows

a = 288 - c

1.75c + 2.5(288 - c) = 528

c = 256

a = 288 - c = 288 - 256 = 32

a = 32

c = 256

For more math help and free-online tutoring visit Growth In Youth's online forum, which can be found on our website growthinyouth org.

3 0
3 years ago
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laiz [17]

Answer:

8 5/12 is closer to 8

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Step-by-step explanation:

7 0
2 years ago
What is 50000x700? and 100x123,478
jok3333 [9.3K]
The question given here has two parts and each part has to be answered separately. In case of both the multiplications, the answer might look to be huge but by applying a simple technique, anybody can do these multiplications without the help of any calculator.
Now let us take the case of first multiplication that is given:
50000 * 700
= 35000000
In this case all the zeroes present has to be written first and then 7 and 5 should be multiplied and put. This will get the answer easily.
Now we take the second multiplication given:
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In this case also the zeroes are simply put on the right side of the number 123478.
7 0
4 years ago
Read 2 more answers
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Answer:50212.5

Step-by-step explanation:

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2 years ago
Identify the domain and range of the function f(x) = x2 - 10x + 21
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Idk sorry I am not that good at math :)
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