Answer:
201.2
Step-by-step explanation:
area= s^2n
----------- ( 180)
4+9 ---------
( n )
Area equals S squared n over four plus nine times ( 180 over n )
(-8, -11) because the points are just the opposite sign when reflecting over the x-axis
Answer:
7
Step-by-step explanation:
3^2 = 9
(-4)^2 = 16
16-9= 7
The astronomer has to choose 3 star images out of 8.This is a problem of combinations. This can be expressed as 8C3 i.e. combination of 8 objects taken 3 at a time.
This means, if 8 images are nearby the astronomer will have 56 choices <span>
of the three stars.</span>