Answer:
150 times
Step-by-step explanation:
From the question given,
The probability of drawing a yellow triangle is 3/5 with replacement. This means that the probability of drawing a yellow card any time, will be 3/5.
For 250 draws,
The number of times a yellow triangle will appear will be = (3/5)x250 = 150
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Answer:
incorrect
Step-by-step explanation:
we are finding area which is squared, or we can put it in an equation, (0.5*20)*(0.25*20) or 0.5*0.25*20^2 which equals 50 but (0.5*0.25)*20 only equals 2.5 therefor he is incorrect and the correct answer would be 20^2 or 400 times the area.
hope this helps :)
2y - x = 5
x^2 + y^2 - 25 = 0
x = 2y - 5
(2y-5)^2 + y^2 - 25 = 0
(2y-5)(2y-5) + y^2 - 25 = 0
4y^2 - 20y + 25 + y^2 - 25 = 0
5y^2 - 20y = 0
y = 0 , y = 4
x = 2y - 5 , when y = 0
x = - 5
x = 2y - 5 , when y = 4
x = 8 - 5
x = 3
