Outcome 0 1 2 3 Probability 0.25 0.25 0.25 0.25 Which is the expected value of the random variable with the given probability di
1 answer:
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Answer:
h = 7.7 cm
Step-by-step explanation:
Since the triangle is right use the sine ratio to find h
sin31° = =
[ multiply both sides by 15 ]
h = 15 × sin31° = 7.7 cm ( to 1 dec. place )