Look at the figure. How many different labeled rays are shown?

Mathematics

2 answers:

Nikitich [7]3 years ago

6 0

There are 10. A ray is a line with a dot on one end and an arrow on the other end. So just start at each dot and move to the arrow on either side. Or just count the dots and multiply by two since there are two arrows.
Sorry if that sounds confusing

aliya0001 [1]3 years ago

6 0

From the incorrect answer the other person gave us, I bet it's 2. Since E and A are the only two with technically no specified end. If I'm wrong I'll edit my answer.

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Suppose a jar contains 10 red marbles and 34 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same

denpristay [2]

Answer:

The probability that both are red is $P(red\:and \:red)=\frac{45}{946}\approx0.04756\approx4.756\%$ .

Step-by-step explanation:

Probability is simply how likely something is to happen and its given by

<em>Probability of an event = (# of ways it can happen) / (total number of outcomes)</em>

Two events are dependent when the outcome of the first event influences the outcome of the second event. The probability of two dependent events is the product of the probability of X and the probability of Y AFTER X occurs.

$P(A\:and\: B)=P(A)\cdot P(A|B)$