A box contain 12 balls in which 4 are white 3blue and 5 are red.3 balls are drawn at random from the box. Find the chance that a
ll three balls are of different colour
2 answers:
Answer:
3/44 or 0.068
Step-by-step explanation:
(3/12 × 2/11 × 1/10)+(5/12 × 4/11 × 3/10)+(4/12 × 3/11 × 2/10)
=3/44
Answer:
white: 1/3, blue: 1/4, red: 5/12
Step-by-step explanation:
Take the amount of balls each color has and divide by 12.
White:
4/12 = 1/3
Blue:
3/12 = 1/4
Red:
5/12 (can't simplify)
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Answer:
8
Step-by-step explanation:
12-8=4
4 times 2 =8
Answer:
32?.....id.kkkkk.kkkkkkk
Answer:
168.
Step-by-step explanation:
H.C.F. = 6 = 2 by 3.
L.C.M. = 280 = 2^3 by 5 by 7.
30 = 2 by 3 by 5.
x = 2^3 by 3 by 7 = 168.
I used the factorisation method.
Answer: .8
How?
24 : 30 = 4/5
4/5 = .8
The given information is
When she adds 2 to both sides, the equation
Subtracting 3x to both sides
So the equation has exactly one solution which is