Answer:
Step-by-step explanation:
The diagram is given to you below. I could not change <C so that it was theta. So C = theta.
So C is the reference angle. Call it theta when you think of it. The diagram shows you how cos(C) must be set up.
The adjacent side is 7
The hypotenuse is 18
theta = C = cos-1(7/18) = 67.11
To the nearest degree 67.11 = 67
This is known as a piecewise function. It's a function that depends on what t is valued at. There are three cases
If
then f(t) = 0. This means that for the first 30 minutes, the cost is $0, in other words the first half hour is free.
If
then f(t) = 5 indicating that the cost is $5 for the entire span from 30 minutes to 90 minutes (excluding t = 30 but including t = 90). Choice B is not the answer because the cost isn't $5 per minute. The cost for this entire timespan is simply $5
Finally, if t > 90, then f(t) = 10 telling us that any time value over 90 minutes will have the cost be $10. This is why
the answer is choice D
Answer:
8
Step-by-step explanation:
If Helen scores 4 for each time Glenn scores 3
4 x 2=8
119 I believe since a straight angle sums up to 180