125 would be the correct answer unless you needed to round then it would be 126
(8r+3s)(8r-3s) dont have working but noticed that it is the difference of two squares
Area of big rectangle = LxW
=18 x 31
= 558 mm squared
area of small parallelogram= b x h
= 13 x 6
= 78 mm squared
area of shaded part = 558-78=480mm squared
B has the pair that are vertical angles
Answer:
20 seconds
Step-by-step explanation:
I assume you mean
for your function.
As the given function is in the form of
(some textbooks may write this formula differently), the period is equal to
. Hence, the period of the given function is
, or 20 seconds.