Hello from MrBillDoesMath!
Answer:
B = 67.4 degrees (approximately)
Discussion:
From plane trigonometry
sin(B) = side opposite angle B \ hypotenuse
= 12/13
Use a calculator (take the inverse sine of 12/13) gives
B = 67.4
Thank you,
MrB
ANSWER:
angle 1 = 180°-35°-36° (angle sum of triangle)
= 109°
angle 3 = 180°-109°(adj angles on a str line)
= 71°
angle 2 = 180°-80°-71°
= 29°
Answer:
The vertex represent the minimum amount of profit
Step-by-step explanation:
Plot the function to better understand the problem
Let
x ----> the number of users in thousands
y ---> the Monthly profit in thousands
using a graphing tool
see the attached figure
we have a vertical parabola open upward
The vertex represent a minimum
In the context of this problem
The vertex represent the minimum amount of profit
In this problem the vertex is the point (0.4,-4)
0.4 represent -----> 0.4(1,000)=400 users
-4=-4(1,000)=-$4,000 (profit negative)
Answer: Point-Form : (2,-1)
Equation Form : x=2, y=-1
Step-by-step explanation: Solve for the first variable in one of the equations, then substitute the result into the other equation.
Hope this helps you out! ☺
I would help you but the picture is blurry