Identify the correct trigonometry formula to use to solve for the given angle.
1 answer:
Answer:
D
Step-by-step explanation:
So we want to figure out the measure of angle ?.
We already know that sides <em>opposite</em> and <em>adjacent</em> to the angle.
Therefore, we need to use tangent. Recall that tangent:
Substitute 34 for the opposite and 48 for the adjacent:
Divide (approximately):
Take the inverse tangent of both sides:
So, our answer is D
And we're done!
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Answer:
Step-by-step explanation:
Suppose F represents the value that a room is unlocked.
Then, we can assume that the probability of unlocked homes is:
P(unlocked homes) = P(U)
P(unlocked homes) = 40%
P(unlocked homes) = 0.40
Also, let us represent the value of the locked room with G.
P(locked homes) = P(G)
P(locked homes) = (1 - 0.40)
P(locked homes) = 0.60
Let the probability of selecting a correct key be P(S)
It implies that for the agent to use 3 keys, we have a combination of possible ways for the set of keys.
Now; since only one will open the house, then:
P(select correct key) = P(S)
P(S) = 0.375
Finally, for the real estate agent to have access to specific homes supposing the agent select three master keys at random prior to the time he left his office, Then:
P(F ∪ (G∩S) = P(F) + P(G∩S)
P(F ∪ (G∩S) = P(F) + P(G) × P(S)
P(F ∪ (G∩S) = 0.40 + (0.60×0.375)
P(F ∪ (G∩S) = 0.40 + 0.225
P(F ∪ (G∩S) =0.625