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liraira [26]
3 years ago
15

A junk box in your room contains a dozen old batteries, five of which are totally dead. You start picking batteries one at a tim

e and testing them. Find the probability of each outcome.
Mathematics
1 answer:
MArishka [77]3 years ago
6 0

Answer:

7/12 of a chance

Step-by-step explanation:

If you have 12 batteries and 5 are dead, 12 - 5 is 7, so there's going to be 7/12 of a chance.

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3 years ago
The price of tomatoes went from $1.12 per pound to $1.96 per pound in 3 years. find the rate of change of the price of tomatoes.
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\bf \begin{array}{|cc|ll} \cline{1-2} \stackrel{x}{year}&\stackrel{y}{price}\\ \cline{1-2} 0&1.12\\ 3&1.96\\ \cline{1-2} \end{array}~\hspace{10em} (\stackrel{x_1}{0}~,~\stackrel{y_1}{1.12})\qquad (\stackrel{x_2}{3}~,~\stackrel{y_2}{1.96}) \\\\\\ \stackrel{\textit{rate of change}}{slope = m\implies} \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{1.96-1.12}{3-0}\implies \cfrac{0.84}{3}\implies 0.28

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3 years ago
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