456.29 in the answer there
should be 5 significant figures.
Answer:
SA =64 pi units ^2
Step-by-step explanation:
The surface area of a sphere is given by
SA = 4 pi r^2
SA = 4 * pi * 4^2
SA =64 pi
SA =200.96
Answer:
9
Step-by-step explanation: 36 divided by 4 is 9.
Answer:
-5 ,0,5
Step-by-step explanation:
x^2 ≤ 25
Take the square root of each side
sqrt(x^2) ≤ sqrt(25)
sqrt (25) is +5 and -5
x ≤ 5 and x ≥ -5
-5 ≤x ≤ 5
The choices are -5 ,0,5
Answer:
The solution of the linear system is:
and 
Step-by-step explanation:
The following linear equation is solved as follows:


After some algebraic manipulation:






And finally,


The solution of the linear system is:
and 