
Step-by-step explanation:
The ratio cosine tell us that
- In a right angled triangle, the cosine of an angle is the side adjacent to the angle divided by the hypotenuse of the triangle.
In other words,

The side adjacent to angle a is 9. The hypotenuse is 41.
So

Answer:
B
Step-by-step explanation:
It all starts whether the Knave of Hearts tells the truth or not. You can decide yourself.
Hearts: H
Clubs: C
Diamonds: D
Spades: S
If H lies, C tells the truth, therefor D lies. So S tells the truth
If H tells the truth, C lies. Therefore D tells the truth and S lies
Count the negative signs, if you get an odd number of negative signs, the product is a negative. If you get an even number of negative signs, the product is a positive.
in this case, there are two negatives, the the product is a positive number
I’m not sure but the third side it’s supposed to be more than the 5 and 7 and I think that the third side it’s 12 so the answer it’s A I think
Answer:
9% probability that Jim will be accepted at both universities
Step-by-step explanation:
We have these following probabilities:
A 20% probability that Jim is accepted into the University X.
A 45% probability that Jim is accepted into the University Y.
What is the probability that Jim will be accepted at both universities?
It is the multiplication of both these probabilities
So there is a 0*2*0.45 = 0.09 = 9% probability that Jim will be accepted at both universities