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What is the sum of the geometric sequence 8comma negative16comma 32 dot dot dot if there are 15 terms?
The sum of a geometric sequence is a(1-rn)/(1-r) In this case, a = 8, r = -2 and n=15 So the sum is 8(1-(-2)15)/(1+2) =8(1+32768)/3 =87,384 So the sum of the first 15 terms of the sequence 8, -16, 32, -64.... is 87,384.
What is the least common multiple of 15 17 45?
LCM(15, 17, 45) = 765
What is 15 x 51?
765
What is the sum of the first 5 numbers?
The sum of the first 5 numbers is 15. 1+2+3+4+5=15
What is the sum of the first 15 positive even numbers?
The sum of the first 15 positive even numbers is 240. (Simply square 15, then add 15 to the result: 15 x 15 = 225. 225 + 15 = 240).
What is the sum of the first 15 terms of an arithmetic?
For an Arithmetic Progression, Sum = 15[a + 7d].{a = first term and d = common difference} For a Geometric Progression, Sum = a[1-r^15]/(r-1).{r = common ratio }.
What is the sum of the first 15 multiples of 8?
Sum of the first 15 positive integers is 15*(15+1)/2 = 120 Sum of the first 15 multiples of 8 is 8*120 = 960
What is the sum of the geometric sequence 8comma negative16comma 32 dot dot dot if there are 15 terms?
The sum of a geometric sequence is a(1-rn)/(1-r) In this case, a = 8, r = -2 and n=15 So the sum is 8(1-(-2)15)/(1+2) =8(1+32768)/3 =87,384 So the sum of the first 15 terms of the sequence 8, -16, 32, -64.... is 87,384.
What is the sum of the first 15 prime numbers?
the sum of the first 15 prime numbers is 328 .
The fourth term of an AP is 15 and the sum of the first 5 terms is 55. Find the first term and the common difference?
x is the first term and d is the difference then x + 3d = 15 and sum of first five terms isx + (x+d) + (x+2d) + (x+3d) + (x+4d)so 5x + 10d = 55 ie x + 2d = 11As x + 3d = 15, d = 4 and x = 3,giving the five terms as 3, 7, 11, 15 and 19
What is the least common multiple of 15 17 45?
LCM(15, 17, 45) = 765
What is the sum of the first 15 whole numbers?
The sum of the smallest 15 positive integers is 120. The sum of the smallest 15 negative integers is -120.
What is 15 x 51?
765
What is the sum of the first 5 numbers?
The sum of the first 5 numbers is 15. 1+2+3+4+5=15
What is the key code to Holt McDougal Online Registration?
Factor the sum of terms as product of the GCC and a sum of 10t+15
What is the sum of the first fifteen odd numbers?
The sum of the first 15 odd numbers is 225.
What is 900 decreased by 15 percent?
765
