It'll take her 15 hours.
Formula: 975= 65x
Where x represents hours
Answer:
(1, -1)
Step-by-step explanation:
If you replace y and x with (1 and -1) you have -1 - 2^1 < -3
And that equals -3 if solved. The sign says equal to or less than, so you answer is (1, -1)
Answer: I'm sorry I don't know but il try and calculate the answer for you
Step-by-step explanation:
Use the following identity:
cos(2x)=1-2sin^2(x)
we are given
we can solve for x
We can isolate x
step-1: Multiply both sides by b/a
step-2:Add 12 both sides
step-3: combine right side
step-4:Divide both sides by 2
..............Answer
