Answer:
V=31 ft cubed
Step-by-step explanation:
So Volume= length × width × height
V=5×5×1= 25ft cubed
V=2×3×1=6ft cubed
V=6+25
V=31 feet cubed
18.84
Step-by-step explanation:
divide 12 by 2 which is 6 then times that by 3.14
Step-by-step explanation:
use formula
(-b+√b2-4ac)/2a
a=3, b=2 , c=5
(-2+√4-4×3×5)/2×3
(-2+√-56)/6
(-2+2√-14)/6
(-2 +2√14i)/6
Answer:
D. The distance from the mean to an inflection point
Step-by-step explanation:
We rarely encounter the actual formula for the normal PDF. It is ...

In fact, the inflection points are at x = ±1, where the curve changes from being concave downward to concave upward.
So, one standard deviation is the distance from the mean to an inflection point.
Wait u live in FL
cause i have one of those books too what grade are u in