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bearhunter [10]
3 years ago
6

A regular polygon is drawn in a circle so that each vertex is on the circle and is connected to the center by a radius Each o th

e central angles has a measure of 40 How many sides does the polygon have?

Mathematics
1 answer:
zysi [14]3 years ago
5 0

A regular polygon is drawn in a circle so that each vertex is on the circle

Each of the central angles has a measure of 40

360 / 40 = 9

so the polygon has 9 sides

Answer is the second option

9



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2 years ago
nancy started the year with $425 in the bank and is saving $25 a week. Seamus started the year with $875 and is spending $15 a w
Goryan [66]

They will have same amount in 45 weeks.

Step-by-step explanation:

Given,

Starting amount of Nancy = $425

Per week saving = $25

Let,

x represent the number of weeks.

N(x) = 25x+425

Starting amount of Seamus = $875

Per week saving = $15

S(x) = 15x+875

For same amount;

N(x) = S(x)

25x+425=15x=875\\25x-15x=875-425\\10x=450

Dividing both sides by 10

\frac{10x}{10}=\frac{450}{10}\\x=45

They will have same amount in 45 weeks.

Keywords: function, division

Learn more about functions at:

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3 0
3 years ago
A sweater that cost $63 and are sold for $54​
Alik [6]

Answer:

not sure what the question is but here are some possible answers

Step-by-step explanation:

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percentage of lose per sweater would be 14%

3 0
3 years ago
Are the triangles similar? How do you know? A. yes, by SAS B. yes, by SSS C. yes, by AA D. no
WARRIOR [948]
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the sum of a triangle=180
so they are not similar. 
4 0
3 years ago
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To get a number to decrease by 21% you multiply it by 0.79 (1-0.21)
r = 0.79
5 0
3 years ago
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