First we will do -3 times everything in the parenthesis.
-3 times -4n = 12n
-3 times 30 = -90
SO,
12n - 90 = -30
+90 +90
12n = 60
divide 12 on both sides;
n = 5
This is your answer,
IF THIS HELPED, PLS GIVE ME BRAINLIEST!
Answer: congruent central angles
Step-by-step explanation:
A central angle is an angle formed by two radii with the vertex at the center of the circle. In the diagram at the right, ∠AOB is a central angle with an intercepted minor arc from A to B. In a circle, or congruent circles, congruent central angles have congruent arcs.
Answer:
$780
Step-by-step explanation:
15x60 = 900 900 - 120 = $780
Answer:
0.5 = 3
1.5 = 9
4.5 = 27
Step-by-step explanation:
