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kotegsom [21]
2 years ago
9

Can someone please help me on this question?

Mathematics
1 answer:
Vinil7 [7]2 years ago
3 0

Answer:

The second figure is rhombus but the first figure is square

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Consider the random variables X and Y with joint density function ???? f(x,y)= x+y, 0≤x≤1;0≤y≤1 0, elsewhere. (a) Find the margi
sp2606 [1]

a. The marginal densities

f_X(x)=\displaystyle\int_0^1(x+y)\,\mathrm dy=x+\frac12

and

f_Y(y)=\displaystyle\int_0^1(x+y)\,\mathrm dx=y+\frac12

b. This can be obtained by integrating the joint density over [0.25, 1] x [0.5, 1]:

P(X>0.25,Y>0.5)=\displaystyle\int_{1/4}^1\int_{1/2}^1(x+y)\,\mathrm dx\,\mathrm dy=\frac{33}{64}

7 0
3 years ago
What is the Volume of the square pyramid? (Round to the nearest tenth as needed)
Orlov [11]
<h3><u>given</u><u>:</u></h3>

base= 25 mm

height= 28 mm

<h3><u>to</u><u> </u><u>find</u><u>:</u></h3>

the volume of the square pyramid.

<h3><u>solution</u><u>:</u></h3>

<u>volume =  {a}^{2}  \frac{h}{3}</u>

<u>v =  {25}^{2}  \frac{28}{3}</u>

<u>v = 5833.33333 {mm}^{3}</u>

<u>v = 5833.3 {mm}^{3}</u>

8 0
2 years ago
Isabel need to cut a square piece of wood with the area of 70 in.² approximate the size of the square round to the nearest 10th
babymother [125]

Answer:

8.4 in by 8.4 in

Step-by-step explanation:

The area of a square is the side length squared.

Let s be the side length:

s^2 = 70

s = \sqrt(70) = 8.4 in

3 0
2 years ago
You worked 9 hours. how many of those hours were overtime hours?
fredd [130]

Answer:

4? Is this even a questions? I think people work 3-7 hours a day at a normal office job...

Step-by-step explanation:


6 0
2 years ago
Please help me. I bad brain
icang [17]

Answer:

The third X is 6. The fourth Y is 4.5

Step-by-step explanation:

The Rule : X is twice as large as Y. Y is half the size of X.

You can get this piece of information by looking at the different values.

For example, y=1 is x=2. This follows the rule. x=4 is y=2.

We have confirmed the rule is true, now we just need to carry the information into the other blocks!

Best of luck on the quiz! Please give brainliest if I helped you out!

5 0
3 years ago
Read 2 more answers
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