B. r = 75m + 1350 I think is the answer. I hope this helped you!
Solving for x.
Add by to both sides
Ax=c+by
Divide both sides by a
x=c+by
-------
a
Answer:
Sum of 2 3/8 + 5 1/4 = 7 5/8
Answer:
∠3 is 70°
Step-by-step explanation:
∠1 is 50° since it is across from another 50° angle
and then you use the equation x+25+2x+50=180 to find x
x then equals 35°
you then use the alternate interior angle theorem to say that ∠3 is 2x, or 70°
