Divide how many said they went to bed by how many she asked: 3/15=0.2. Multiply 0.2 by the number of angles in a circle: 0.2•360=72. 72 degrees is the answer :)
28 = k - 12
28 + 12 = k
40 = k
Answer:
exact form: x
=
√
17
+
9
,
−
√
17
+
9
decimal form: 13.12310562
Step-by-step explanation:
Add 43 to both sides of the equation. Add − 9 and 43
.Divide each term by 2. Then simplify it. Take the square root of each side to set up the solution for x. The solution is the result of both the positive and negative portions of the solution.
Hope this helps!