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4 years ago

8

The low temperatures in degrees Fahrenheit in Marsh City during a week in January were: -3, -5, 3, 7, -2, -2, -5 What was the av

erage low temperature for that week?

1 answer:

miskamm [114]4 years ago

4 0

Answer:

-1

Step-by-step explanation:

You can find the average my finding the sum of all temperatures and then dividing it by the number of temperatures ( in this case 7)

So you get (-3-5+3+7-2-2-5)/7=-7/7=-1

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3 years ago

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nadya68 [22]

Answer:

The equation is $t(n) = -4 + 4(n-1)$

Step-by-step explanation:

Arithmetic sequence:

In an arithmetic sequence, the difference between consecutive terms, called common difference, is always the same.

The general equation for an arithmetic sequence is:

$t(n) = t(1) + d(n-1)$

Taking the mth term as reference, the equation can be written as:

$t(n) = t(m) + d(n-m)$

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The common difference can be found:

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So

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Finding the first term:

$t(4) = t(1) + 4(n-1)$

So

$t(1) = t(4) - 12 = 8 - 12 = -4$

So

The equation is $t(n) = -4 + 4(n-1)$

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