2 years ago

Which describes this angle?

1 answer:

3 0

A.) A right angle>90 degree angle
B.) An obtuse angle> greater than 90 degrees less then or equal to 180 degrees
C.) An acute angle> less than 90 degrees
D.) A straight angle> 180 degrees

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Helen plays basketball. For free throws, she makes the shot 78% of the time. Helen must now attempt two free throws. C = the eve

riadik2000 [5.3K]

Answer:

0.6708 or 67.08%

Step-by-step explanation:

Helen can only make both free throws if she makes the first. The probability that she makes the first free throw is P(C) = 0.78, now given that she has already made the first one, the probability that she makes the second is P(D|C) = 0.86. Therefore, the probability of Helen making both free throws is:

$P(C+D) = P(C) *P(D|C) = 0.78*0.86\\P(C+D) = 0.6708$