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Lyrx [107]
3 years ago
8

a bag contains 5 red marbles 4 blue marbles and 6 yellow marbles if 3 marbles are selected in succession what is the probability

of selected in succession what is the probability of slecting blue then yellow then red if rreplacement occurs each time?
Mathematics
1 answer:
Alex3 years ago
6 0

Answer:

5/243

Step-by-step explanation:

4/18 × 6/18 × 5/18 = 5/243

I think

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Which of these mappings is a function?
strojnjashka [21]

Answer:

B

Step-by-step explanation:

My power of guesssing :)

6 0
3 years ago
Points M and N are both on ZB with M between Z and N. ZM = 10
maxonik [38]

Answer:

Your answer is 40%

Step-by-step explanation:

It is 20 units between Z and B.

We add 2 more points, and one of them is at the the halfway point of the entire line.(M)

One of them is only 2 units away from B.(N)

That means our line is halved, so from 20/20 possible places a point could go and land in the right area is now 10/20.

Minus 2 from that; to take into count of the N to B, and you have 8/20

8/20 is just 40%

5 0
2 years ago
Which of the following best describes XYZ
Alex787 [66]
<h2>Answer:</h2>

D. Inscribed angle

<h2>Step-by-step explanation:</h2>

An inscribed angle has a vertex on the circumference. For any arc, every inscribed angle is exactly half of the central angle. In other words, if the central angle is x^{\circ} and the inscribed angles is y^{\circ}, then it is true that:

y^{\circ}=\frac{x^{\circ}}{2}

In this problem y^{\circ}=36^{\circ}, then the central angle is x^{\circ}=2y^{\circ} \ \therefore x^{\circ}=2(36^{\circ}) \therefore x^{\circ}=72^{\circ}

7 0
3 years ago
Read 2 more answers
Colin pays £721.45 a year on his car insurance.
Burka [1]

Answer:

655.08

Step-by-step explanation:

<h3>721.45 ×0.092=66.3734</h3><h3>721.45-66.3734=655.0766</h3>
4 0
3 years ago
A box contains four red balls and eight black balls. Two balls are randomly chosen from the box, and are not replaced. Let event
Leviafan [203]

Answer:

P(B) = 8/12

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P(B ∩ R) = 8/33

The probability that the first ball chosen is black and the second ball chosen is red is about  24 percent.

Step-by-step explanation:

I just got it right on edge 2020. Good luck with school!!

6 0
3 years ago
Read 2 more answers
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