Answer:
Percentage Calculator: 14 is what percent of 56? = 25.
Step-by-step explanation:
Answer:
<h2>x = 30°</h2>
Step-by-step explanation:
The angle 30° and 2x are complementary angles.
Two angles are called complementary angles, if their sum is one right angle (90°).
Therefore we have the equation:
30 + 2x = 90 <em>subtract 30 from both sides</em>
2x = 60 <em>divide both sides by 2</em>
x = 30
Answer:
C≈47.25
Step-by-step explanation:
Use the formula C= πd, where C is circumference, π is pi, and d is diameter.
Input the numbers and we'll shorten π to 3.15
C=3.15(15)
C≈47.25
Answer:
what are the choices
Step-by-step explanation:
Answer: d = ±10
<u>Step-by-step explanation:</u>
169 =
+ 
169 = (12)² + 
169 = 144 + 
25 = 
100 = d²
√100 = √d²
±10 = d