Answer:
I think its c
Step-by-step explanation:
Answer:
Step-by-step explanation:
first we turn ur mixed number into an improper fraction
1 1/4 = 5/4
the reciprocal of 5/4 can be found by just flipping it....so the reciprocal is gonna be 4/5
so 1 1/4 subtracted from its reciprocal is :
4/5 - 5/4 =
16/20 - 25/20 =
- 9/20 <====
7.48 gallons. Vote me brainliest
Answer: Sorry I don't know the answer but I recommend an app that will help you is called Mathpapa is really helpful and have helped me get A on test and homework
Step-by-step explanation: is htis one https://www.mathpapa.com/algebra-calculator.html
Answer:
1.43%
Step-by-step explanation:
we have that we can solve it by means of binomial, in this case m = 25. Also the probability of head is 50%. we need to know when it falls 7 times, therefore x = 7
the formula is:
P (x) = mCx * p ^ x * q ^ (m-x)
we know that p is 0.5 therefore q is equal to 0.5, replacing:
P (7) = 25C7 * 0.5 ^ 7 * 0.5 ^ (25-7)
P (7) = 25! / (7! * (25-7)!) * 0.5 ^ 7 * 0.5 ^ (25-7)
P = 0.0143
that is, the probability is 1.43%
