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nevsk [136]
3 years ago
11

A 2-column table with 9 rows. The first column is labeled year with entries 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013

. The second column is labeled precipitation with entries 5. 98, 6. 05, 07. 59, 5. 27, 3. 11, 7. 18, 2. 95, 7. 22, 2. 61. The table shows the precipitation in December, in inches, for Washington state from 2005 to 2013. What was the mean amount of precipitation during this time? Round to the nearest hundredth. 1. 97 inches 2. 61 inches 5. 33 inches 5. 98 inches.
Mathematics
1 answer:
Genrish500 [490]3 years ago
3 0

The mean amount of precipitation from 2005 to 2013 is 5.33 inches.

it is given that

precipitation in 2005 = 5.98 inch

precipitation in 2006 = 6.05 inch

precipitation in 2007 = 7.59 inch

precipitation in 2008 = 5.27 inch

precipitation in 2009 = 3.11 inch

precipitation in 2010 = 7.18 inch

precipitation in 2011 = 2.95 inch

precipitation in 2012 = 7.22 inch

precipitation in 2013 = 2.61 inch

<h3>what is the mean value?</h3>

the mean value is the ratio of the sum of all observations to the number of observations.

sum of observation = 47.96

number of observations = 9

mean = 47.96/9 = 5.33 inches

therefore mean amount of precipitation from 2005 to 2013 is 5.33 inches.

to get more about mean refer to:

brainly.com/question/21671

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This was an exceptionally dry year for portions of the southwestern United States. Monthly precipitation in Phoenix, Arizona, wa
Otrada [13]

Using the vertex of a quadratic function, it is found that Phoenix received the highest amount of precipitation on the month of May.

<h3>What is the vertex of a quadratic equation?</h3>

A quadratic equation is modeled by:

y = ax^2 + bx + c

The vertex is given by:

(x_v, y_v)

In which:

x_v = -\frac{b}{2a}

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Considering the coefficient a, we have that:

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In this problem, the precipitation each month x in Phoenix is given by:

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Hence the coefficients are a = -0.04088, b = 0.4485, c = 1.862, and the month for which the precipitation will be highest is given by:

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More can be learned about the vertex of a quadratic function at brainly.com/question/24737967

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3 years ago
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