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Kruka [31]
2 years ago
11

12. Paul has 10 marbles in a bag. If there are a green, 2 red, and 4 blue. What is the probability that a marble

Mathematics
1 answer:
Rus_ich [418]2 years ago
3 0
3/5 chance that the marble is not blue or 60% chance that the marble is not blue
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PLEASE HELP REALLY QUICK I WILL REWARD BRAINLIEST PUT FULL EXPLANATION AND ANSWER TO THE QUESTION BELOW!!!!!!!!
Mariulka [41]

Answer:

x = 27

Step-by-step explanation:

36 + 90 + 2x = 180 \\ 126 + 2x = 180 \\ 2x = 180 - 126 \\ 2x = 54 \\  \\ x =  \frac{54}{2}  \\  \\ x = 27

I hope I helped you^_^

4 0
2 years ago
Write an equation of the line that passes through the point (4, –5) with slope 2.
Igoryamba
So, the equation is y=mx + b and you want to solve for b to find the y intercept. 
-5=2(4) + b
-5=8+b
subtract the 8 
-13=b
the equation is y = 2x - 13
8 0
3 years ago
A field goal kicker makes 4 of 5 extra points during a game . What percent of extra points were made
KengaRu [80]
80% of extra points were made.
3 0
3 years ago
Read 2 more answers
Which of the following is the best estimate of 12 18/21?
lions [1.4K]

Answer:

Your simplified fraction would be 12 6/7 so I’d say *C* because that’s the closest to the simplified fraction

Step-by-step explanation:

im  just explain

8 0
3 years ago
Read 2 more answers
What is the probability of flipping a coin 12 times and getting heads 3 times? Round your answer to the nearest tenth of a perce
attashe74 [19]
<h3>Answer: A) 5.4%</h3>

==================================

Explanation:

We use the binomial probability formula here

P(k) = (n C k)*(p)^k*(1-p)^(n-k)

In this case, there are n = 12 trials and p = 0.5 is the probability of getting heads. The value of k = 3 means we want 3 heads.

So,

P(k) = (n C k)*(p)^k*(1-p)^(n-k)

P(3) = (12 C 3)*(0.5)^3*(1-0.5)^(12-3)

P(3) = 220*(0.5)^3*(1-0.5)^(12-3)

P(3) = 0.0537109375

P(3) = 0.054

P(3) = 5.4%

-----------------

Side note: the n C k refers to the nCr combination formula

_n C _r = \frac{n!}{r!*(n-r)!}

where the exclamation marks mean factorials. You could also use Pascal's Triangle as an alternative for this portion.

6 0
3 years ago
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