3 years ago

Solve by substitution ANSWER NOW

1 answer:

7 0

X = 11-y
plug in that for the first equation

2(11-y) - 3y = 8
22-2y-3y = 8
22-5y = 8
5y = 14
y = 14/5

x = 11-y
x = 11-14/5
x = 41/5

(41/5, 14/5)

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Vaselesa [24]

Answer:

The mean of these statistic is 2.18.

Step-by-step explanation:

According to the chart, from 1986-1996, unintentional drug overdose deaths per 100,000 population began to rise.

The given data set is

2, 1, 2, 2, 1, 2, 2, 3, 3, 3, 3

Formula for mean:

$Mean=\frac{\sum x}{n}$

Using this formula, the mean of the data is

$Mean=\frac{2+1+2+2+1+2+2+3+3+3+3}{11}$

$Mean=\frac{24}{11}$

$Mean=2.181818$

$Mean\approx 2.18$

Therefore the mean of these statistic is 2.18.

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alekssr [168]

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LUCKY_DIMON [66]

? Wth.....................

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