Twice Jack's age plus 5 is 21. Write and solve an equation. How old is Jack? A) 8 B) 13 C) 32 D) 52
2 answers:
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Answer:
Option A) 0.6
Step-by-step explanation:
we know that
In the right triangle PQR
The function sine of angle Q is equal to divide the opposite side to angle Q by the hypotenuse
substitute the values
Assuming that each marble can be picked with equal probability, we notice that there is a total of
marbles, of which 2 are red.
So, the probability of picking a red marble is
In fact, as in any other case of (finite) equidistribution, we used the formula