Answer:
72 degrees
Step-by-step explanation:
180-36=144
144/2=72
SOH CAH TOA.
Sin = Opposite / Hypotenuse
Cos = Adjacent / Hypotenuse
Tan = Opposite / Adjacent
D is the answer because the villagers thought he was a liar
Simultaneous equations can be solved using inverse matrix operation.
The complete steps of Jacob's solution are:
We have:
Calculate the determinant of
So, the inverse matrix becomes
Replace the first column with to calculate the value of x
So, we have:
Replace the second column with to calculate the value of y
So, we have:
Hence, the complete process is:
Read more about matrices at:
brainly.com/question/11367104
Answer:
C: One rational root
Step-by-step explanation:
disc. > 0 means two real roots
disc. = 0 means one repeated root
disc. < 0 means two irrational roots