If a coin is flipped 75 times, in how many ways could there be exactly two tails?
2 answers:
<span>I think the answer is 2774 but dont quote me on it
</span>
Answer:
2775 ways
Step-by-step explanation:
We have been given the case to choose exactly two tails when flipped 75 times means 
Since,
is equal to
Here n =75, r=2 substituting the values we will get


After simplification we will get 
Cancel out the common term that is 73! we will get
after more simplification we will get 
Finally, we will get 
You might be interested in
Answer:
c
Step-by-step explanation:
Answer:
I’m pretty sure it’s 73% but I’m not completely sure
A 16 karat gold means that there are 16 parts of gold in
24 parts of the gold chain. Therefore the weight of the pure gold is:
pure gold = (16 / 24) * 2.6 ounces
<span>pure gold = 1.73 ounces</span>
Answer:
7
Step-by-step explanation:
You divided both 28 and 4 and you will get 7 as your answer.
answer is 8n^1/3
see attached picture: