Answer:
I don't think it is
Step-by-step explanation:
tell me if I'm wrong
Answer:
The value of x is:

Step-by-step explanation:
we have to use the quadratic formula to solve for x.
The equation is given as:

which could also be written as:

The quadratic formula for the quadratic equation of the type:
is given as:

Here we have:
a=4, b=-5 and c=8.
Hence, by the quadratic formula we have:

Hence, the value of x is:

Answer: 4236
Step-by-step explanation: I used a calculator. If it's wrong, tell your teacher/instructor.
Step-by-step explanation:
sec x − cos x
Secant is the inverse of cosine:
(1 / cos x) − cos x
Find the common denominator:
(1 / cos x) − (cos² x / cos x)
Subtract:
(1 − cos² x) / cos x
Answer:
Rodney sold 45,612 copies of his book and Beth sold 45,612 x one half copies of her book. Which statement compares the numbers of book copies sold? Beth sold half the number of book copies that Rodney sold.
Rodney sold half the number of book copies that Beth sold.
Beth sold twice the number of book copies that Rodney sold.
Rodney sold the same number of book copies that Beth sold.
Step-by-step explanation: