Answer: y = 1/2 or y = -1/2
Step-by-step explanation:
First move the 1 to the side with the 0
-4y^2 = -1 // -1 because when you move a number to the other side of the equation you have to multiply -1
Then divide by -4 on each side
y^2 = 1/4
square root each side
|y| = 1/2 // sq rt y^2 becomes an absolute value because when you square root a square it automatically becomes an absolute value
so the answer would be y = 1/2 or -1/2
to check just put it into the equation as y. Both work.
Answer:
Step-by-step explanation:
Inverse trig functions are used to find angles.
Answer:
Option B. 
Step-by-step explanation:
we know that
A non-terminating, non-repeating decimal is a decimal number that continues endlessly, with no group of digits repeating endlessly
example
the number 
In this problem
the number is a non-terminating, non-repeating decimal
Answer:
∠B = 36.87
Step-by-step explanation:
Since you are trying to find the angle measurement, you must use the inverse of cosine: 
(you're using cosine because you have the opposite side and adjacent side):
≈36.87
3 hours.
Explanation
249 total - 84 already paid (for parts) is
165.
165
divided by
55 dollars an hour
is
3 hours worked on repairing.
