Find the surface area:
7.25 x 9.5 x 2 = 137.75 gets the surface area of the two rectangle sides.
To get the bottom rectangle, do 8 x 9.5 = 76
To find the two triangles, do 6 x 8 x 0.5 x 2 = 48
Now add them all together: 137.75+76+48=261.75
So, the answer is 261.75 square feet of material.
Answer:

Step-by-step explanation:
The time constant of the element X is:


The decay function has the following form:




They are said to be proportional.
Answer:
3u-47
Step-by-step explanation:
Just combine like terms, which for this case is the -40 and the -7. Hope this helps!
Answer:
Try using PEMDAS. I can’t do the work, but use PEMDAS.