So just sub 1/2x+3 for all x’s in the equation and it is equal to -1x+10
Answer: x+5y=-13= (x=−5y−13)
2x-5y=-20= <u>(x=5/2y-10) </u>
Step-by-step explanation: The answers are labeled in parenthesis. According to my calculations, this is what I got. Sorry for any inconvenience.
Answer:
(2,24) (1,18) (3,30) (4,36)
Step-by-step explanation:
Answer:
.
Reference angle is
Step-by-step explanation:
Given the value of x. we have to find the correct value of cosx.
Now, we have to find the exact value of
Now, we have to find the reference angle of .
Since the angle lies in second quadrant, the reference angle formula is
Reference angle= .
=
Answer:
12 and 168
Step-by-step explanation:
Supplementary add up to 180°
x+14x = 180
15x=180
x=12
12*14=168
168+12 = 180