23 counting numbers less than 500 are square numbers
Answer:
see explanation
Step-by-step explanation:
let y = f(x), then
y = 11x - 1
Interchange x and y and solve for y
x = 11y - 1 ( add 1 to both sides )
x + 1 = 11y ( divide both sides by 11 )
y =
, hence
(x) = 
Answer:
(40-20)/.10
Step-by-step explanation:
40-20 is 20, 20 divided by .10 is 200, she used 200 extra minutes.
Answer:
4
Step-by-step explanation:
the side Q-R corresponds to K-L
just as O-P corresponds to K-J
K-J= 36
O-P=6
36/6=6
so 24/6=4