Find the s10 for series 2+7+12+17+

1 answer:

8 0

Sn=n/2(2a+(n-1)d)
n=10 a=2 d=5

s10=10/2(2*2+(10-1)5)
=5(4+9*5)
=5(4+45)
=5(49)
=245

answer should be 245.

hope this helps!

You might be interested in

snow_tiger [21]

The ansers is 3 or letter a

8 0

4 years ago

maxonik [38]

When the X value is zero, the Y value is negative two.

7 0

3 years ago

Orlov [11]

6 2/3 = 20/3 = 60/9

4 4/9 = 40/9

60/9 - 40/9 = 20/9 = 2 2/9

5 0

3 years ago

GuDViN [60]

Answer:

3rd and 4th option

7 0

3 years ago

MaRussiya [10]

Chaneece found the correct solution.

7 0

4 years ago