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:
y=0.80x+0.4
Step-by-step explanation:
Answer:
34/40
Step-by-step explanation:
There’s only 6 numbers that are a multiple of 6 within the range 0-40. You subtract 6 from 40 and get. 34
Answer:
He can make 12 batches of pancake
Step-by-step explanation:
Total amount of milk = 9 cups
One batch of pancake uses 3/4 cup of milk.
y batch of pancake uses 9 cup of milk.
Therefore ( y ) x (3/4) = 9
Answer:
working hypothesis.
Step-by-step explanation:
Hypothesis is a technique in mathematics used to identify between two events. The event is tested for hypothesis using the null hypothesis and an alternative hypothesis is set to compare the results. If there are more than one hypothesis then there is working hypothesis technique used to identify the conclusion.