SA=2H(L+W)+LW for open box
20=2H(4+W)+4(W)
distribute
20=8H+2WH+4W
divide both sides by 2
10=4H+WH+2W
solve for 1 variable, pick W
10-4H=WH+2W
10-4H=W(H+2)
(10-4H)/(H+2)=W
V=LWH
subsitute 4 for V, subsitute H for H and (10-4H)/(H+2) for W
V=(4)(H)(10-4H)/(H+2)
V=(40H-16H²)/(H+2)
find max value
take deritivitive of this thing
V'=-16(H²+4H-5)/((H+2)²)
using sign chart
sign changes from positive to negative at H=1
so at H=1
find W
W=(10-4H)/(H+2)
W=2
the dimeionts are
length=4ft
width=2ft
height=1ft
(the volume is 8 cubic feet)
All because -2.22 is a real number, it’s a rational number because it can stop and a integer because it’s negative
5/12+2/5
4.167+0.4
4.567
It is the correct answer
If it helps you brainlest me plzzzz
If you are talking about on Brainly.com it is like this.
To write half write 1/2 (1 forward slash 2)
Answer:
i would say about 33 books in total from tuesday to wednesday
Step-by-step explanation:
