Cos 90° = 1
Step-by-step explanation:
Cos 90° = 1, Because The angles are complements
To find a percentage divide the first number by the second.

=

=1.00
Now that you have your number, move the decimal point over 2 to the right and add your percentage sign.
100.00%
Your answer is 100%
Answer:
0.0001075
Step-by-step explanation:
The relation between halflife and rate at which it is decaying is given by

now in the above problem halflife is given as 2800 years substituting in the above equation we get the value of rate at which it is decaying to be rate=0.0001075.
A repeating decimal is when the number repeat or go on forever and do not change
a terminating decimal is one that has an end to it's numbers
example of repeating: .303030303030303.....
example of terminating: .2427
Answer:
A function does NOT have two of the same number in your Domain or your X coordinates. If you go left to right you should NOT cross your line in more then one place.
Step-by-step explanation: