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dusya [7]
3 years ago
14

There are 5 red marbles, 15 blue marbles, and 5 green marbles in a bag. If you reach in and randomly draw two marbles without re

placing the first, what is the probability that both will be green?
1/30
19/49
It's not 1/20 or 7/20
Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
8 0
It would be 11/30 because 5/25+4/24=11/30
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Determine whether the random variable is discrete or continuous. In each​ case, state the possible values of the random variable
Advocard [28]

Answer:

a. Discrete

b.Continuous

Step-by-step explanation:

a. A discrete random variable has a countable number of possible values.

-The probability of each value of a discrete random variable is between 0 and 1, and the sum of all the probabilities is equal to 1.

-The number of free dash throw attempts are countable. Hence, a Discrete Random Variable.

b. -A continuous random variable is a random variable where the data can take infinitely many values.

-A continuous random variable is a random variable is qualitative in nature.

-The amount of rainfall will take different values in different April months. Hence Continuous Random Variable.

5 0
4 years ago
Which of the following
Ronch [10]

Answer:

Option A

Step-by-step explanation:

<u>Given equation is</u>

=> 3y = 6x + 3

<u>In slope-intercept form, it becomes</u>

=> 3y = 3(2x+1)

=> y = 2x+1

So, Slope = m = 2

<u><em>Parallel lines have equal slope, So any line parallel to the above line would have its slope equal to 2</em></u>

=> Line parallel to 3y = 6x + 3 is y = 2x + 10

3 0
4 years ago
Find the area of an inscribed 100-gon if the radius of the circle is 1 unit.
nexus9112 [7]
A polygon inscribed in a circle, luckily, has a derived formula already. It is:

A = (nr²/2)[sin (360/n)]

where n is the number of sides of the polygon and r is the radius of the circle. For this problem, n = 100 and r = 1. Substituting this to the equation,

A = (100(1)²/2)[sin (360/100)]
A = 3.14 square units

Thus, the 100-gon has an area of 3.14 square units. 
3 0
3 years ago
What is the solution to x + 9 = 21?<br> O A. x = 30<br> B. x = 18<br> O c. x = 12<br> O D. x= 9
vlada-n [284]

Answer:

First we need to isolate x. To do this, we have to subtract 9

x = 12!

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Please solve im gonna fail
BARSIC [14]

Answer:

144

Step-by-step explanation:

area of square is 132 + area of 2 triangles = 12 then add

6 0
2 years ago
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