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kiruha [24]
3 years ago
14

How to find the other endpoint with the given endpoint and midpoint?

Mathematics
1 answer:
prohojiy [21]3 years ago
6 0
To find the other endpoint with a given endpoint and midpoint, you subtract the midpoint values from the endpoint, then with whatever the answer is, you subtract that from the midpoint.
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A box has five items, three good and two defective. three items are selected at random without replacement. let x be the number
user100 [1]
This problem can be solved from first principles, case by case.  However, it can be solved systematically using the hypergeometric distribution, based on the characteristics of the problem:
- known number of defective and non-defective items.
- no replacement
- known number of items selected.

Let
a=number of defective items selected
A=total number of defective items
b=number of non-defective items selected
B=total number of non-defective items
Then 
P(a,b)=C(A,a)C(B,b)/C(A+B,a+b)
where 
C(n,r)=combination of r items selected from n,
A+B=total number of items
a+b=number of items selected

Given:
A=2
B=3
a+b=3
PMF:
P(0,3)=C(2,0)C(3,3)/C(5,3)=1*1/10=1/10
P(1,2)=C(2,1)C(3,2)/C(5,3)=2*3/10=6/10
P(2,0)=C(2,2)C(3,1)/C(5,3)=1*3/10=3/10
Check: (1+6+3)/10=1 ok
note: there are only two defectives, so the possible values of x are {0,1,2}

Therefore the 
PMF:
{(0, 0.1),(1, 0.6),(2, 0.3)}

7 0
3 years ago
The nose of the origami dog is a right angle with sides that are 2 cm, 3 cm, and 3.6 cm long. What is the area of this triangle?
Maslowich

Given:

The sides of a right triangle are 2 cm, 3 cm, and 3.6 cm.

To find:

The area of the right triangle.

Solution:

Area of a triangle is:

Area=\dfrac{1}{2}\times base\times height

In the given triangle 3.6 cm is the largest side, it means 3.6 cm is the length of the hypotenuse. So, 2 cm and 3 cm and the base and height of the triangle.

Now, the area of the given triangle is:

Area=\dfrac{1}{2}\times 2\times 3

Area=3

Therefore, the area of the given triangle is 3 square cm.

4 0
2 years ago
Anika was shown a reduction of a complex figure.
Luba_88 [7]

Answer:

The scale factor will be 0.25 and the length of the side will be 8.75 cm.  Hope it helps :)

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The sum of the squares of two positive integers is 193. the product of the two integers is 84. what is the sum of the two intege
djyliett [7]
The numbers are 7 and 12. 

This is because you can use the system of equations below. 

x^2 + y^2 = 193
xy = 84

Solve using substitution. 
7 0
3 years ago
Read 2 more answers
PLEASE HELP! DUE VERY SOON
dedylja [7]
If I’m correct, it should be the first option, just to be sure, does n represent the number of years?
4 0
3 years ago
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