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Genrish500 [490]
3 years ago
11

if each interior angle of a regular polygon measures 144 degrees, how many sides does the polygon have?

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
3 0
10 sides 180(10-2) 1800-360=1440/10 = 144
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What is the least common multiple of 420 and 196?
maks197457 [2]

2940. To find LCM, listing the multiples may help. Then you will easily be able to view them and circle when you find a common one. :)
4 0
3 years ago
Read 2 more answers
Am i doing this right????
Anna35 [415]
You are going in the right direction. For the distance of ST I get √136
√(-5-1)² + (6+4)² =
√(-6)² + (10²) =
√ 36 + 100 =
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√34² + √136² =√170²
34 + 136 = 170
170 = 170
3 0
2 years ago
Polygon MNOPQ is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image M’N’O’P’Q’.
N76 [4]
Answer:
slope of M'N' = 1

Explanation:
First, we will need to get the coordinates of points M' and N':
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Therefore:
For point M':
x coordinate of M' = k * x coordinate of M 
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y coordinate of M' = k * y coordinate of M
y coordinate of M' = 0.8 * 4 = 3.2
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For point N':
x coordinate of N' = k * x coordinate of N 
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y coordinate of N' = k * y coordinate of N
y coordinate of N' = 0.8 * 5 = 4
Therefore, coordinates of M' are (2.4 , 4)

Then, we can get the slope of M'N':
slope = (y2-y1) / (x2-x1)
For M'N':
slope = (3.2-4) / (1.6-2.4)
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Hope this helps :)
8 0
3 years ago
Express in exponential form log(2)16 = 4
S_A_V [24]
\bf \textit{exponential form of a logarithm}
\\\\
log_a  b=y \implies   a^y=  b\qquad\qquad 
%  exponential notation 2nd form
a^y=  b\implies log_a  b=y \\\\
-------------------------------\\\\
log_2(16)=4\qquad \qquad \implies \qquad 2^4=16
8 0
3 years ago
Sally is three times as old as Sam. The sum of their ages is 84. How old is Sally?
Pepsi [2]

Answer:

Sally is 63

Step-by-step explanation:

Represent Sally's age by x and Sam's by  y.

Then x = 3y and x + y = 84.

Substituting 3y for x in the second equation, we get:

3y + y = 84, or 4y = 84, or y = 21.  Since Sally is 3 times as old as Sam, we multiply 21 by 3:  Sally's age is 3(21 years) = 63 years

4 0
2 years ago
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