Question

if the average of 14 consecutive integers is 20.5, what is the average of the first seven integers?

Answer 1

143.5 is what the calculator's saying.

Answer 2

Just multiply 20.5 by 14 and then divide that by 2.

Answer 3

how come divide by 2?

Answer 4

ohhh i know
thanks

Answer 5

yw ♥

Answer 6

can you gelp me with another question?

Answer 7

Sure :D

Answer 8

in the standard xy-coordinate plane, the center of circle O is the origin. if the O has an area of 25 pi, each of the following points lies on the circumference of the circle except

a.(5,0)
b.(4,-4)
c.(3,4)
d. (-3,4)
e.(-4,3)

Answer 9

Oh geez. I haven't done this in a while. Let me see if I can still do this :p

Answer 10

oh ok

Answer 11

gonna guess that it's (-4,3). Here's a graph:

Answer 12

can you explain how you did that?