Answer:
The surface area of the cube is 
Step-by-step explanation:
step 1
Find the length side of the cube
we know that
The diagonal of a cube is equal to

where
b is the length side of the cube
In this problem we have

substitute and solve for b


step 2
Find the surface area of the cube
The surface area of the cube is equal to

substitute the value of b

Answer:
The Company AB must sell 116 computers to break even
Step-by-step explanation:
we have
-----> equation A
----> equation B
where
C is the cost function
R is the revenue function
x is the number of computers sold
we know that
Break even is when the cost is equal to the revenue
so
equate equation A and equation B

Solve for x
subtract 1/4x both sides

Divide by 1.25 both sides

therefore
The Company AB must sell 116 computers to break even
THIS IS ONLY FOR THE RECTANGLE SRY I COUDLNT DO THE
0.25 ft^3
A rectangular tank is a generalized form of a cube, where the sides can have varied lengths. It is bounded by six faces, three of which meet at its vertices, and all of which are perpendicular to their respective adjacent faces. The equation for calculating the volume of a rectangle is shown below:
volume= length × width × height
EX: Darby likes cake. She goes to the gym for 4 hours a day, every day, to compensate for her love of cake. She plans to hike the Kalalau Trail in Kauai and though extremely fit, Darby worries about her ability to complete the trail due to her lack of cake. She decides to pack only the essentials and wants to stuff her perfectly rectangular pack of length, width, and height 4 ft, 3 ft and 2 ft respectively, with cake. The exact volume of cake she can fit into her pack is calculated below:
volume = 2 × 3 × 4 = 24 ft3
Answer:
5r-1+3r=7r+1
5r+3r-7r=1+1
r=2
If it helps you can I get brainliest
Step-by-step explanation:
Answer:
-2/5
Step-by-step explanation: