Answer:
10 nickels
9 dimes
5 quarters
Step-by-step explanation:
I believe the answer is C
Answer:

Step-by-step explanation:
you first need to change the mixed number to an improper fraction

then multiply the second fraction by 2 so that the denominator is the same in both fractions


Answer:
False
Step-by-step explanation:
2cos^2(4x) - 1 = cos(8x)
cos(8 *pi/12) = cos(2pi/3) = cos(pi - pi/3) = - cos(pi/3)= 1/2, which is not 0
cos(8x) = 0
==> 8x = 0 or pi
==> x = 0 or pi/8
Answer
Im pretty sure its C
Step-by-step explanation: