20x+50=450
-50 -50
20x=400
Divide both sides by 20
X=20
Answer:
11+m = 15
m = 4
Step-by-step explanation:
Sum means add and is means equals
11+m = 15
Subtract 11 from each side
11+m-11 =15-11
m = 4
Answer:
Step-by-step explanation:
Volume of sphere = 4/3 x PI x r^3
= 4/3 x 3.14 x 6^3
= 904.3 cubic meters
Volume of cone = PI x r^2 x h/3
h = √13^2-5^2 = 12
= 3.14 x 5^2 x 12/3
= 314 cubic meters
