Answer:
Question 13: 90, Question 14: y =
, Question 15: x =
, Question 16: y =
.
Step-by-step explanation:
Answer:
a=2, b=5
Step-by-step explanation:
Let
n -----> the denominator
we have

Solve for n
That means -----> isolate the variable n
Multiply by n both sides

Divide by 3.5*10^4 both sides

therefore
a=2, b=5
Answer:
47 degrees
Step-by-step explanation:
Add all the numbers we know
the line is 180
43+52+38=133
133+47=180
47 Your answer. Hope this helped leave a heart or like or comment. :)