Nathaliasmiles
18.03.2021 •
Mathematics
A board game uses a spinner with 12 equal sectors.
A circle divided into 12 even sections. Going from the top, clockwise, the sections are labeled 1, 5, 4, 3, 5, 4, 1, 5, 3, 4, 5, and 2. A spinner points to the first 5.
In one game, the dial was spun 86 times and landed on the number 5 a total of 31 times.
What is the relative frequency that the number 5 was observed?
Enter your answer, rounded to the nearest whole percent, in the box.
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Ответ:
help us plz
Step-by-step explanation:
Ответ:
9(x^2 + 2x +1) - 5 = 0
x^2 + 2x - 4 = 0
Then use the quadratic formula.