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sasho [114]
3 years ago
6

9=2+x Please show work (:

Mathematics
2 answers:
Rudiy273 years ago
8 0

9=2+X

X=9-2

X=7

This is anwser!!!

Dmitry [639]3 years ago
5 0
9=2+x

You subtract 2 from both sides:

9-2=2+x-2

Then you'll get 7=x because 9-7=7 and when you -2 from the other side, it gets canceled out.

Hope this helps :)
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We have the probability of success, p=0.30, and the probability of failure, q=1-0.30=0.70. The binomial coefficient, \binom{n}{k}, represents the amount of possible combinations that k items can be chosen out of n items, with its respective formula \frac{n!}{k!(n-k)!}.

Hence, the best choice for the probability that 4 students chosen at random from the class of 30 that want the next test to be on Monday will be option B, 0.02

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