Assessment Q1W5
Solve. Show your solutions
1. Find the sum of the first 24 terms of the arithmetic sequence 8, 13, 18,...
2. The sum of all odd numbers from 1 to 100?
3. Find the sum of the first 25 multiples of 8.
4. The 3rd term of an arithmetic sequence is -12 and the seventh term is 8. What is
the sum of the first 10 terms?​


Sagot :

[tex]\large{\mathcal{ANSWER:}}[/tex]

  1. The sum is 1572
  2. The sum is 1325
  3. The sum is 2600
  4. The sum is 5

[tex]\\[/tex]

check the images attached for the solutions

View image AGboii
View image AGboii

[tex] \huge \color{purple}\implies {\mathcal {Answer}} [/tex]

  1. 1572
  2. 1325
  3. 2600
  4. 5