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3 years ago

14

QUICK! PLEASE HELP! A spinner has three congruent sections labeled 1, 2, and 3. On the first two spins, the arrow stops on 1 and

then 2. What is the probability that on the third spin the arrow will stop on 3?
A.1
B.2/3
C.1/3
D.0

1 answer:

vova2212 [387]3 years ago

3 0

<span>The third spin is independent, so the probability is B. 1/3.

Hope that helped.

</span>

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3 years ago

For a school fund raising project, Aiden and Jacob collected money in the ratio of 3.5 : 6.8. Jacob collected $115.50 more than

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X - the amount of money collected by Aiden
y - the amount of money collected by Jacob

Aiden and Jacob collected money in the ratio of 3.5 : 6.8.
$\frac{x}{y}=\frac{3.5}{6.8} \\
6.8x=3.5y \\
x=\frac{3.5}{6.8}y \\ x=\frac{35}{68}y$

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$x+115.5=y \\
x=y-115.5 \\ \\
x=x \\
\frac{35}{68}y=y-115.5 \\
\frac{35}{68}y-y=-115.5 \\
\frac{35}{68}y-\frac{68}{68}y=-115.5 \\
-\frac{33}{68}y=-115.5 \\
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