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Katena32 [7]
3 years ago
6

A bag has five red marbles, six blue marbles, and four black marbles. What is the probability of picking a blue marble, replacin

g it, and then picking another blue marble?
a)1/15
b)8/75
c)4/25
d)1/9
Mathematics
2 answers:
love history [14]3 years ago
7 0
5 red, 6 blue, 4 black...total of 15

P(picking blue) = 6/15 ...reduces to 2/5
replacing
P(picking blue) = 6/16...reduces to 2/5

P(both) : 2/5 * 2/5 = 4/25 <==


Anit [1.1K]3 years ago
3 0

Answer:

4/15 is 100% the answer *NOT* 1/9 or anything else!

Step-by-step explanation:

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5 0
3 years ago
The slope of a line is 2 the y-intercept of the line is - 6 which statement accurately describes how to grab the function
podryga [215]

Answer:

Step-by-step explanation:

The slope of the line is 2 and the y-intercept is -6. y-intercept is the point where x is zero. Hence, the point is (0,-6) When we graph a linear function by slope-intercept method, first of all we plot the y-intercept. Hence, first of all we plot the point (0,-6) Now, slope is given by if rise is positive then we move up from the y -intercept and if negative then move down. We keep run always positive and hence we move right from the rise point. rise = 2 run = 1 Rise is positive hence, we move 2 units up from the point (0,-6) and then move 1 unit right to get the next point. Then we draw a line passing through these points. A is the correct option.

6 0
3 years ago
What is the value of x in the equation x – y = 30, when y = 15?<br><br> 4<br> 8<br> 80<br> 200
AVprozaik [17]

<u>Answer:</u>

45

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

We are given an equation <em>x - y = 30 </em>which we are to solve for x when the value of y is 15.

To solve this linear equation for x, we just need to substitute the given value of y into the equation to get the value of x.

x - y = 30

x - 15 = 30

x = 30 + 15

x = 45

Therefore, the value of x is 45 when y = 30.

Unfortunately this value is not in the given options but 45 is the correct answer.

5 0
3 years ago
Read 2 more answers
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