Answer:
There are three ways to solve systems of linear equations in two variables: graphing. substitution method. elimination method.
Step-by-step explanation: hope this helps :)
A. ABC Your welcome have a great day!
Answer:
Step-by-step explanation:
4). By applying cosine rule for angle R,
cos(∠R) = 
cos(33°) =
[Equation]
x = 19cos(33°)
= 8.39
5). By applying sine rule,
cos(20°) = 
cos(20°) =
[Equation]
x = 
x = 15.96
6). By applying tangent rule,
tan(40°) = 
tan(40°) =
[Equation]
x = 
x = 17.88
Answer:
To find the inverse, interchange the variables and solve for y
.
Step-by-step explanation:
f
−
1
(
x
)
=
x
/4
+
3
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Step-by-step explanation: