Answer:
or 
Step-by-step explanation:
Given

Required
Find the possible values fo x

Square both sides


Equate to 0

Expand

Factorize:


Split:
or 
or 
or 
Answer:
x+4x = 60
Step-by-step explanation:
5x=60
x=12
4x=48
answers are 12 and 48
Volume of a Sphere = <span>4/3 • </span><span>π <span>• r^3
</span></span>
Volume of a Sphere = 4/3 * PI * 1
Answer:
40.07 and 40.070...
Step-by-step explanation:
(4×10)+(7×1/100)
40+0.07
40.07 or 40.070(as the extra zeros don't count)
<em>Hope you're having a splendiferous day or night.</em>
Answer:
Option B = 25.5 ft
Step-by-step explanation:
Circumference = 80 ft
C = 2πr
80 = 2 * (22/7) * r
80 = (44/ 7) * r
So, Radius (r) = 80 * (7/44)
= 12.72 Feet
--> Diameter = 2r = 2 * 12.72
= 25.45 Feet
Therefore, Answer = Option B = 25.5 Feet (Round off)