Answer:
0.4 I'm sorry if it wrong
Answer:
w = -
z
Step-by-step explanation:
Given
5w + 9z = 2z + 3w ( subtract 3w from both sides )
2w + 9z = 2z ( subtract 9z from both sides )
2w = - 7z ( divide both sides by 2 )
w = -
z
Answer:
Yes a
Step-by-step explanation:
I took the test
no it isn't. 2cos(x) is 2 multiplied by cos(x), cos (2x) is cos(2 multiplied by x) meaning 2x is the angle you're taking the cosine of. if you want to know what cos(2x) look up the double angle rule.
Answer:
The answer is B.
Step-by-step explanation:
Hope this helps! Have an Amazing day!!