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2 years ago

Find the sum of the interior angle measures of a pentagon

Mathematics

1 answer:

IrinaVladis [17]2 years ago

5 0

Remember that the formula for the sum of the interior angles within a regular polygon is:

$180(n-2)$ , where $n$ is the number of sides that the polygon has

Thus, the sum of the interior angles of a pentagon is $180(5 - 2) = 180(3) = 540^{\circ}$ .

The answer is 540 degrees.

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Which measures of central tendency would be affected if the outlier 11 was added to the following set 27,20,34,37,21,42,39

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Answer:

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3 years ago

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Step-by-step explanation:

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2 years ago

IN (3)

svetoff [14.1K]

Answer:

(a) Rule: Multiply the input (x) by 2 and add 5 to the result of the product

(b) $y =2x +5$

Step-by-step explanation:

Given

The attached table

Solving (a): The rule of the table in words

First, we calculate the slope (m)

$m = \frac{y_2 - y_1}{x_2 - x_1}$

Using:

$(x_1,y_1) = (2,9)$

$(x_1,y_1) = (10,25)$

So, we have:

$m = \frac{25 - 9}{10 - 2}$

$m = \frac{16}{8}$

$m=2$

The equation is calculated using:

$y - y_1 =m(x - x_1)$

Using:

$(x_1,y_1) = (6,17)$

We have:

$y - 17 =2(x - 6)$

$y - 17 =2x - 12$

Make y the subject

$y =2x - 12+17$

$y =2x +5$

Hence, the rule is:

Multiply the input (x) by 2 and add 5 to the result of the product

(b): The rule, in algebra

As solved in (a), the rule is:

$y =2x +5$

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Answer:

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