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02.04.2021 •
Mathematics
12
Questions 10 - 14:
A bag of marbles contains: 8 yellow, 7 red, 6 blue, 7 purple, 9 orange, 3 white, and 10 green
(4 Points)
Marsha reaches in the bag and draws one marble without looking. Find the probability she will NOT select a blue
marble.
o
23
o
0
Solved
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Ответ:
x = 3
Step-by-step explanation:
Given
f(x) = - 10x + 45 and f(x) = 15, then equating gives
- 10x + 45 = 15 ( subtract 45 from both sides )
- 10x = - 30 ( divide both sides by - 10 )
x = 3