jaaiphieaslade
07.07.2020 •
Mathematics
A box contains red and blue marbles; there are more red marbles than blue ones. Marbles are drawn one at a time from the box, at random with replacement. You win a dollar if a red marble drawn more often than a blue one. There are two choices:. A) 100 draws are made from the box. B) 200 draws are made from the box. Choose one of the four options below; explain your answer. (i) A gives a better chance of winning. (ii) B gives a better chance of winning (iii) A and B give the same chance of winning. (iv) Can't tell without more information.
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Ответ:
x = 8
Step-by-step explanation:
180-(89+57)= 180-146 = 34
(5x -6) = 34
5x = 34 + 6
5x = 40
x = 40 ÷ 5
x = 8