Answer:
x = -1
y = -2
Step-by-step explanation:
The two equations are:
Substituting (2) in (1) we get:
∴ x = -1
Substituting the value of x in (2), we get
y = -1-1 = -2.
∴ y = -2
Answer:
Twelve-fifths.
Step-by-step explanation:
The diagram is shown below
Given triangle be right angled at ,
Withe reference to ,
Its opposite side is , adjacent side is and hypotenuse is
We are to find the value of
We know
Substituting the above values we get,
So the answer is Twelve-fifths.
Answer:
72.317
Step-by-step explanation: