A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, find the probability that a blue marble will be drawn. a.1/3 b.1/11 c.1/7 d.3/14

D

Step-by-step explanation:

4+3+7=14 total marbles

3/14 chance itll b blue

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the answer is d. 3/14

Step-by-step explanation:

No of sample space, n(s) = 14

No. of favourable cases, n(e) = 3

Now

The probability that a blue marble will be drawn., P(e)

= n(e)/n(s)

= 3/14

80° is the measure of gh

step-by-step explanation:

circle f is congruent to circle j

we have two circle with center f and j.

both circles are congruent. the radius of the circle would be equal.

see the attachment for the circle.

we are given ∠efd ≅ ∠gjh

therefore, arc (ed) = arc (gh)     (∴ circle f is congruent to circle j)

but ∠dfe=80°=arc (ed)

therefore, arc (gh) = 80°

thus, 80° is the measure of gh