Let

Find the equation in terms of y in the form x = f(y).

Replace y by x in the right hand side, which will be the required inverse of the function.
Answer: Awnser is 0.45 as a decimal and 9/20 as a fraction
Step-by-step explanation:
1. Multiply the numbers
((1/2)*9)/10 = (9/2)/10
2.divide the number's
(9/2)/10 = 9/20
Awnser = 9/20
Answer:
the third one
Step-by-step explanation:
Answer:
140 and 10
Step-by-step explanation:
ext. angle is 40, meaning int, angle is 140
30 is given
180-140-30=10