Answer:
3
Step-by-step explanation:


Since he sold for 6 hours over the course of 3 days. Convert that to 18 hours total selling time. divide the amount sold by the hours and there is your answer.
Answer:
x = 5 and y = 8.7
See attached image for working
Step-by-step explanation:
Since it's a right angle triangle you can use sin and cos.
Answer:
w(-4.2) = 3(-4.2) -1 = -12.6 - 1 = -13.6
Step-by-step explanation:
The w(-4.2) is your t so you substitute it in your expression which means you get 3(-4.2) -1 and that gives you -13.6.
Answer:
B. right
Step-by-step explanation:
Assuming one side of the triangle is the diameter of the semicircle, the triangle will always be a right triangle. (This is a useful fact to remember.)
The answer would be 2.9 (rounded to the tenth)