Answer:
I and IV
Step-by-step explanation:
cosine is positive/greater than 0 in quadrants I and IV. Its just a rule of the unit circle.
Can remember by All Star Trig Class
meaning all the trig funtions are positive in quadrant I
sin is positive in II
tan is positive in III
and cos is positive in IV
Answer:
To calculate a break-even point based on units: Divide fixed costs by the revenue per unit minus the variable cost per unit. ...
When determining a break-even point based on sales dollars: Divide the fixed costs by the contribution margin.
1. Answer: 19/30 or 0.63
2. Answer: 11/20 or 0.55
3. Answer: 7/4 or 1 3/4 or 1.75
The answer is the last one (15+6)+3