It's the sum of a geometric sequence.
Let's rewrite it a bit:
And now let's calculate this sum 
:
Now let's calculate the initial sum:
Answer:
1. 17 - gon
sum of the of measures of interior angles = 180(n-2).....(formula)
here n = 17
therefore, 180(17-2)
= 180(15)
= 2700 degrees
2] 24 - gon
sum of the of measures of interior angles = 180(n-2).....(formula)
here n = 24
therefore, 180(24-2)
= 180(22)
= 3960 degrees.
Call the sum S. Then, you can use the definition of percentage to obtain an equation to find the value of S: 1) 28% = 28 / 100; 2) 28% of x = (28/100)x; 3) that is equal to $100.80 => (28/100)x = 100.8 => x = 100.8 * 100 / 28 => x = 360. You can verify that the 28% of 360 is 100.80: 360 * 28/100 = 100.80. <span>Then, the answer is $360.</span>
Answer:
8 dollars
Step-by-step explanation:
Define the variable X as:
X = Original Price of the Socks, in units dollars
Then,
(X + 24)(100% - 25%) = 24
(X + 24)(0.75) = 24
X = (24/0.75) - 24 = 8 dollars.
Answer:
Step-by-step explanation:
-2x = 14
x = -14/2
x= -7
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