Answer:
whatdoesthatmean
Step-by-step explanation:
Step-by-step explanation:
B
1100
To find the sum of the first n terms of an arithmetic series use the formula,
S
n
=
2
n(a
1
+a
n
)
S
20
=
2
20(10+100)
S
20
=
2
2200
S
20
=1100
Well, ithe measure is 8, or u have to use examples to solve
Answer: 

Step-by-step explanation:
Given
Alex Jogged 3 rounds of 400 m track
It took 16 min to Jog 3 rounds
(a) Total distance Alex had Jogged

(b) Average speed is the total distance by the total time
