A box is filled with 11 blue cards, 2 green cards, and 7 brown cards. A card is chosen at random from the box. What is the proba
bility that it is a blue or a brown card? Write your answer as a fraction in simplest form
1 answer:
11 blue
2 green
7 brown
total is 20 card
7 out of that 20 are brown
so x out of 100% are brown
7/20=x/100 - cross multiply
700=20x
x=700/20
x=70/2
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The answer would be A. Use a proportion
Answer:
No
Step-by-step explanation:
<h2>
Answer:</h2>
C = 2πr
r = C/2π ...(1)
A = πr²
A = π(C/2π)² = πC²/4π²
A = C²/4π.
<u>Correct choice</u> - [A] A = C²/4π.
your answer will be 2 inch for the first piece 4 inch for the second piece 20 inch for the last piece
