One important feature of the parabola is that it has an extreme point, called the vertex. If the parabola opens up, the vertex represents the lowest point on the graph, or the minimum value of the quadratic function.
Say she chooses topic A. She needs at least one book to arrive on time. The probability that no books arrive on time is 0.1 x 0.1 = 0.01 so the probability that at least one book arrives on time is 1 - 0.01 = 0.99.
Say she chooses topic B. She needs at least two books to arrive on time. The probability of no books arriving on time is 0.1 x 0.1 x 0.1 x 0.1 = 0.0001. The probability of exactly one book arriving on time is 4 x 0.1 x 0.1 x 0.1 x 0.9 = 0.0036 (binomial probability distribution formula - the 4 comes from 4C1). So the probability of her not getting enough books is 0.0001 + 0.0036 = 0.0037 and the probability she does get the books she needs on time is 1 - 0.0037 = 0.9963.
So she should choose topic B.
Answer:
Answer: 6^2
Step-by-step explanation:
Givens
- Express the integers raised to a power as integers.
- 10^2 = 100
- 4^3 = 64
Solution
- Subtract 64 (which is 4^3) from 100. See if what is left is a power of 6
- 100 - 64 = 36 Yes the remainder is 36
- 36 = 6*6 = 6^2
You have to get t alone so you divide both sides by 8
7.2/8= 0.9 and 8t/8=t
T=0.9
Answer:
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Step-by-step explanation:
