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3 years ago

A town's yearly snowfall in inches over a 10-year period is recorded in this table. What is the mean of the snowfall amounts?

Mathematics

1 answer:

lawyer [7]3 years ago

4 0

So to find the mean you add them all together and divide by the number of numbers there is so 11+15+19+17+23+20+17+18+21=174 and there are 10 numbers so it would be 174/10 which is 17.4 so you answer is 17.4

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A line passes through the point (–2, 7) and has a slope of –5. A coordinate plane. What is the value of a if the point (a, 2) is

Nana76 [90]

Y = mx + c

7= (-5)(-2)+ c

7= 10 +c

7-10=c

-3=c

Equation of the line: y = -5x-3

Sub in (a, 2)

2= - 5(a)-3

2+3= -5a

5= - 5a

1= - a

A = -1

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What is the sum of the two largest numbers in the list

Dmitriy789 [7]

Answer:

$\frac{25}{39}$

Step-by-step explanation:

The given numbers are

$\frac 13,~\frac 27,~\frac 3{10},~\frac 4{13},~\frac 5{17}$

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The values of each number are

$\frac{1}{3}=0.33..$

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$\frac{5}{17}\approx 0.294$

Using these we can say that

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$Sum=\frac{4}{13}+\frac{1}{3}$

$Sum=\frac{4\cdot 3+1\cdot 13}{39}$

$Sum=\frac{25}{39}$

Therefore, the sum of the two largest numbers in the list is $\frac{25}{39}$ .

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