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8090 [49]
3 years ago
14

A questionnaire provides 54 yes, 33 no, and 33 no-opinion answers. in the construction of a pie chart, how many degrees would be

in the section of the pie showing the yes answers?
Mathematics
1 answer:
TiliK225 [7]3 years ago
6 0

Add all numbers of answers: 54 + 33 + 33 = 120

The number of yes answers is: 54

Fraction of yes answer: 54/120 = 0.45

A full circle has 360 degrees. 0.45 of a full circle is 0.45 * 360 = 162

Answer: 162 degrees

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4. Two points on a line are (-10, 1) and (5, -5). If
Vsevolod [243]

Answer:

The x-coordinate of another point is zero

Step-by-step explanation:

step 1

Find the slope between the two given points

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

(-10,1),(5,-5)

substitute in the formula

m=\frac{-5-1}{5+10}

m=\frac{-6}{15}

Simplify

m=-\frac{2}{5}

step 2

Find the x-coordinate of another point

we have

(x,-3)

we know that

If the other point is on the line, then the slope between the other point and any of the other two points must be the same

so

Find the slope between the points

(x,-3),(5,-5)

Remember that

m=-\frac{2}{5}

substitute in the formula

-\frac{2}{5}=\frac{-5+3}{5-x}

-\frac{2}{5}=-\frac{2}{5-x}

the denominators must be the same

5=5-x

x=0

therefore

The x-coordinate of another point is zero

3 0
2 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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