Mary has rehearsed her ballet solo for five and a half hours. A week from now, she wants to have rehearsed at least a total of n
1 answer:
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Answer:
x = 5 and x =
Step-by-step explanation:
To find the zeros equate f(x) to zero, that is
(2x - 1)(x - 5) = 0
equate each factor to zero and solve for x
2x - 1 = 0 ⇒ x =
x - 5 = 0 ⇒ x = 5
Answer:
- a. 1 / 13
- b. 3 / 13
- c. 10 / 13
Step-by-step explanation:
<h3>a.</h3>There are four 5's in the deck. This means that, from 52 possible cards to drawn, we have 4 chances of drawing a 5. This means that the probability will be:
For every suit, there are three face cards, J, Q and K. There are 4 suits, so, the total number of face cards its:
The total possible cards are, still, 52, so, the probability will be
We know that the card drawn must be a face card, o not being a face card. There is no third choice here. So, the probability of drawing a face card OR not drawing a face car its:
so
but, we know that
so