Answer:
y+30
Step-by-step explanation:
the sum of the numbers is 15y
the new sum after increase each number by 30 is 15y+450
the new mean 15y+450/15
= y+30
Answer:
<GOJ
Step-by-step explanation:
O is the center of the circle
So central angle is <GOJ
Answer:
It's an angle bisector
Step-by-step explanation:
It is between 2 congruent angles therefore bisects those angles
Use pemdas : so do parenthesis first 15-8, then multiply the answer by 6. OR u can use distributive property & multiply 6 by 15 & 8
Answer:
120
Step-by-step explanation:
15 x 16/2
You double 8 because your rotating around the y-axis
