Answer:
(-2,0)
Step-by-step explanation:
Answer:
The answer is 3 (13/12)
Step-by-step explanation:
Cosine is the inverse of Secant. Cosine is adj/hyp and Secant is hyp/adj. Cos(B) is 12/13 so Sec(B) is 13/12
Percent error is calculated as

.
The approximation in this case is 3.14, and the theoretical or actual value is pi.
Using the formula, the percent error will be:

= -0.0507%
Answer: B
Step-by-step explanation:
Setting the equations equal to each other,
-5x-8 = 4x+1
-8 = 9x + 1
-9 = 9x
x = -1, meaning y=-5(-1)-8 = -3.