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The sum of two numbers is 10 and their product is 20 find the sum of the reciprocal of the number?
Suppose the numbers are x and y Then the sum of their reciprocals is 1/x + 1/y = y/xy + x/xy = (y+x)/xy = 10/20 = 1/2
What is the sum of the squares of the first 20 natural number1 to 20?
The sum of the squares of the first 20 natural numbers 1 to 20 is 2,870.
How do you find the sum of the angles in a 20-gon?
The formula is: (20-2)*180 = 3240 degrees which is the total sum of interior angles
What is the sum of counting numbers from 1 to 20?
Well, honey, the sum of counting numbers from 1 to 20 is 210. You add up 1 + 2 + 3... all the way to 20 and you get your answer. So, go ahead and impress your friends with your newfound math knowledge.
Find the value Sn in the geometric sequence 200 20 2 0.2?
200, 20, 2, 0.2 Here you have 4 terms. Add them together, and you find the sum of these four terms. If you need to find the sum of some other terms, i.e 8 terms, then you can use the formula Sn = [a1(r^n - 1/(r - 1) where n = 8, a1 = 200, and r = 1/10.
