X is cookies were sold and y is brownies were sold
{x+1.5y=32
-
{x+y=25
0.5y=7
y=14
x=25-14=11
Tiffany and Adele sold 11 cookies and 14 brownies
The ration is 28:1 and 11:7
Answer:
a) The volume of the box is represented by
.
b) A side length of 0.653 inches leads to the maximum volume of the box: 6.299 inches.
Step-by-step explanation:
a) The volume of the box (
), in cubic inches, is modelled by the equation for the cuboid:
(1)
Where
is the side length of the cutted square corners, in inches.


The volume of the box is represented by
.
b) The method consist in graphing the polynomial and looking for a relative maximum. We graph the equation found in a) by means of a graphic tool. We present the outcome in the image attached below. According to this, a side length of 0.653 inches leads to the maximum volume of the box: 6.299 inches.
1/3x7/8 is the answer give me a thank plz
Answer: 9v+45
Step-by-step explanation:
Distribute
9(v+5) = 9v+45