Find the sum of the first 80 positive even intergers.

Q: Find the sum of the even integers between 21 and 45.

A: Even integers between 21 and 45 are 22,24,26,28,..........44. We can see that difference between two…

Q: Find the sum of the first 80 positive even integers.

A: 2, 4, 6, 8, 10,....... This is an arithmetic sequence with  a1=first term=2d=common difference=4-2=2…

Q: pair of these integers with a sum equal to 9.

A: Let us take set under consideration {1,2,3,4,5,6,7,8}Possible pairs {{1,8}, {2,7}, {3,6}, {4,5}}…

Q: Find the sum of the first 20 terms of the arithmeticsequence 5, 12, 19, .....

A: We have to find sum of first 20 terms of the arithmetic sequence: 5, 12, 19, ....... We know the…

Q: Find the sum of the first 6 terms of the geometricsequence 9, 3, 1, .....

A: The geometric sequence is of the form a,ar,ar2,ar3,...,arn. This shows that r as a common ratio…

Q: Find the sum of n terms of an AP whose nth term is given by an=5-6n

A:

Q: Find the sum of 150 terms if the series is 6,(9/2), 3,....

A: Determine the common difference of the series. d=92-6=-1.5 Determine the sum of the series using the…

Q: Find the sum of the odd integers between 14 and 58

A:

Q: Prove: The sum of an odd number of odd numbers must be odd.

A: Let us prove this by induction, that if n is odd and a1,a2,. . .. .an are odd, then ∑i=1nai is odd.…

Q: Find the sum of the first 21 positive integers. The sum of the first 21 positive integers is

A: We will use the concepts of A.P.

Q: Find the sum of first 24 terms of the list of numbers whose nth term is a, = 3 + 2n

A: Introduction :

Q: Find the sum of first 20 terms of an AP in which 3rd term is 7 and 7th term two more than thrice of…

A:

Q: A particular antibiotic is introduced to a petri dish containing 1000 newly discovered flesh -…

A: Let N0  be initial and Nt after t hours Then Nt = N0 (1 - 1/3)t.               Nt = N0…

Q: A virus spreads through a network of computers such that each minute,25% more computers are…

A: This can be found by exponential growth : y=a(1+r)x a= initial value = 1 computer r=25%=0.25 x=1…

Q: Find the sum of the first 100 terms

A: We are asked to find the sum of 100 terms.

Q: Find the sum of all multiples of 3 between 5 and 64

A: We can solve the problem by the method of arithmetic progression.

Q: Find four consecutive odd internet’s such that four times the sun of the first and third is four…

A: To find four consecutive odd integers such that four times the sum of the first and third is four…

Q: Find the seventh partial sum of 13, 22, 31, 40, 9

A: The given sequence is 13, 22, 31, 40, ...To find S7

Q: Find the sum of the first 125 positive even whole numbers.

A:

Q: Find the sum of the first 15 terms of the geometricsequence 100, 50, 25, .....

A: The geometric sequence is given by a,ar,ar2,...,arn, here a is the first term of sequence and r is…

Q: Find the sum of the first 330 positive odd integers.

A:

Q: How many digits should be removed from a 1000-digit number 2008... 2008 such that the sum of…

A:

Q: Imagine that you roll two dice. Write down all the possible rolls that sum to 2. Write all the…

A: Given: Two dices are rolled So the sample space would be: 1,1 (1,2) (1,3) (1,4) (1,5) (1,6)(2,1)…

Q: Find the sum of the first 7 terms of the arithmeticsequence 1, 3, 5, .....

A: The set of numbers can be arranged with some pattern among them. Some sequence of numbers are named…

Q: 25. the sum of the first 100 positive odd numbers

A: Formula for the arithmetic progression is Sum=n2a+Tn where,  a=first term n=total number of terms.…

Q: Find the sum of the even integers between 35 and 49. The sum is ...

A:

Q: The letters CORONAVIRUSCOVID are written repeatedly in this sequence without space between the…

A:

Q: A new square is formed by joining the midpoints of the consecutive sides of a square 8 inches on a…

A:

Q: Find the Sum of the Series S구)는 -, (주)를 -오루 2주 - 주

A:

Q: Find the sum of the first 20 positive even integers.

A:

Q: Find the sum of all even integers from 10 to 500

A: Sum of all even integers from 10 to 500 .

Q: Find the sum of the first 10 terms of the arithmeticsequence 7, 10, 13, ....

A: To find the sum of the first 10 terms of the arithmetic sequence, 7,10,13,...

Q: A new square is formed by joining the midpoints of the consecutive sides of a square 8 inches on a…

A:

Q: Find the sum of the first 15 terms of the geometricsequence with first term 3 and common ratio 2.

A: To find the sum of the first 15 terms of the geometricsequence with first term 3 and common ratio 2.…

Q: A DIGITAL CHIP MADE BY YOUR MICROELECTRONICS DIVISION, COUNTS CONTINUOUSLY IN THE SEQUENCE: IC 2048,…

A: The sequence is 1024,2048,4096, 8192,... The common ratio is 20481024=2,40962048=2 Therefore the…

Q: Find the sum of first 24 terms of the list of numbers whose nth term is a. 3+2n

A:

Q: 1, 2, 4, 8, 16, 32, 5 ... Find the sum if it exists. *

A: sum of geometric series not exist if common ratio > 1 here common ratio= 2

Q: Find the sum of the first 10 terms of the geometricsequence with first term 5 and common ratio -2.

A:

Q: Find the sum of all two digit odd multiples of 3.

A:

Q: express using sum notation

A: The series represents  sum of cubes

Q: A DIGITAL CHIP MADE BY YOUR. MICROELECTRONICS DIVISION, COUNTS CONTINUOUSLY IN THE SEQUENCE: 1024…

A: The counts of the chip are 1024,2048,4096,8192,.... Now, we can see that 20481024=40962048=2 Each…

Q: Find the sum of first 30terms of an ap whose second term is 2 and seventh term is 22

A:

Q: Find the sum of the first 1000 positive integers.

A:

Q: Find the sum of first 24 terms of the list of numbers whose nth term is a = 3 + 2n

A:

Q: Find the sum of all Integers between 84 and 719 which are multiple of 5

A:

Q: Find for the sum of the first 50 negative even integers.

A: Negative even integers :-    -2,-4,-6,-8, ....... This is AP series with a=-2, d=-2

Q: Find the sum of all 3 digit multiples of 7

A: