I believe there is a 1/20 chance that Mrs. Galvan will pick a black pin. Since there are 20 pens, each pen has an equal chance of getting picked. For example, you have 2 pens and one of them is blue. The chance of me getting the blue pen is 1/2 or a 50% chance. So your answer will be 1/20 chance.
Eliminate the parameter t:t=y/2
x=y^2/2+3
Answer:
The answer is 60 cups
Step-by-step explanation:
First you need to find the area of the box which would be
12in x 15in =180in
The second step wpuld be to divide the area of the box by how tall the cups are
180/3 = 60
Answer:
15.7
Step-by-step explanation:
Lets take a = 50.
Area of Sector =

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