yadi64
25.11.2019 •
Mathematics
Abag contains 7 red marbles, 9 white marbles, and 5 blue marbles. randomly choose two marbles, one at a time, and without replacement. find the following. enter your answers as fractions or decimals rounded to three decimal places
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Ответ:
could you please be more clear..?
Step-by-step explanation:
Ответ:
5 quarters and 3 nickels
Step-by-step explanation:
x = nickels
y = quarters
x + y = 8
x(0.05) + y(0.25) = 1.40
3 + 5 = 8
3(0.05) + 5(0.25) = 1.40
0.15 + 1.25 = 1.40
1.25 + 0.15 = 1.40