A jar contains a mixture of 12 black marbles, 10 red marbles, and 18 white marbles, all the same size. If two marbles are drawn
from the jar without being replaced, what would the probability be of drawing two black marbles
1 answer:
The probability will be :
C(12,2) / C(40,2) = 11/130, which is around 8.46%
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Answer:
Nikolaus Otto was responsible for inventing the first working four-stroke engine.
Step-by-step explanation:
X^3 -2x^2 -35x
=x(x^2-2x-35)
=x(x-7)(x+5)
Plug n = 14 into the formula
= -5(14) + 90
= -70 + 90 = 20
10 to 11 = 1 hr
11 to 12 = 1 hr
12 to 1 = 1 hr
total = 3 hours
First blank is 60 second blank is 12 third blank is 2
