The surface area of a rectangular prism is:
A=2(xy+xz+yz) where x,y, and z are the dimensions, in this case:
A=2(312*114+312*2+114*2)
A=2(35568+624+228)
A=2(36420)
A=72840 ft^2
Answer:
The cosine of the angle is: negative
The sine of the angle is: positive
Step-by-step explanation:
a. 
has an average value on [5, 11] of
b. The mean value theorem guarantees the existence of 
such that 
. This happens for
The answer is x equals -3 and y equals 0
Answer:
x=-1, y=4. (-1, 4).
Step-by-step explanation:
x+y=3
8x+y=-4
--------------
y=3-x
8x+(3-x)=-4
8x+3-x=-4
7x+3=-4
7x=-4-3
7x=-7
x=-7/7=-1
-1+y=3
y=3-(-1)=3+1=4
x=-1, y=4. (-1, 4).
