What is the value of X? Make sure to show all of your work! https://ibb.co/jR0WSb

1 answer:

7 0

According to the picture, the triangle is an equilateral triangl<span>e. That means every angle is 60 degree.

7x-3 =60     11y+5=60
7x=63</span>      11y<span>=55
x=9</span>      y=5

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1 point) during a winter season at one ski resort, there are two roads from area a to area b and two roads from area b to area

miss Akunina [59]

Probability that both roads from a to b are blocked is the product of the individual probabilities, i.e.
P(~ab)=0.25*0.25=0.0625
Similarly
P(~bc)=0.25*0.25=0.0625
Probability that EITHER one or both of ab and bc are blocked is the sum of the probabilities:
P(~ab ∪ ~bc)=0.0625+0.0625=0.125
(recall that one cannot travel from a to c if either ab or bc is blocked.)

Therefore the probability that there exists an open route from a to c
= P(ac) = 1-P(~ab ∪ ~bc)
= 1 - 0.125
=0.875

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