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raytiller1
 3 years ago
What is the 20th term of the arithmetic sequence 2, –4, –10, … ?
raytiller1
 3 years ago
What is the 20th term of the arithmetic sequence 2, –4, –10, … ?

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hartnn
 3 years ago
Best ResponseYou've already chosen the best response.0the formula for 'n'th term is a+(n1)d.....a is first term,d is common difference...,does this help?

mathsloser56
 3 years ago
Best ResponseYou've already chosen the best response.1the difference is 6. use the formula and 'a' is the first number of the sequence which is 2. help?

raytiller1
 3 years ago
Best ResponseYou've already chosen the best response.0this are my choices –130 –124 –118 –112

raytiller1
 3 years ago
Best ResponseYou've already chosen the best response.0@hartnn @mathsloser56

mathsloser56
 3 years ago
Best ResponseYou've already chosen the best response.1do the math, and youll find it.

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.0did u put values in formula?its easy calculation...

raytiller1
 3 years ago
Best ResponseYou've already chosen the best response.0idk how to do it thats why i asked.. but thanks.

mathsloser56
 3 years ago
Best ResponseYou've already chosen the best response.1T(n) = a + (n1)d .use this formula for T(20)

mathsloser56
 3 years ago
Best ResponseYou've already chosen the best response.1a is the first number, 2 n is the \[n^{th}\] you want, which is 20 d is the common difference between the numbers, which is 6
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