mymathlabtutor
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
mymathlabtutor
mymathlabtutor
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
MATH SOLVE
Home
General
Find the 9th term of 7,10,13
5 months ago
Q:
Find the 9th term of 7,10,13
Accepted Solution
A:
Use the formula:$$ a_n=a_1+d\left(n-1\right)\xrightarrow{}a_9=7+3\left(9-1\right) $$ Solving for a_9: $$ a_9=7+3(9-1)=7+3\left(8\right)=7+24=31 $$ Answer:$$ 31 $$