Answer:

Step-by-step explanation:
#We use the base diagonal and the height diagonal to calculate the beam's height:

#The volume of the beam can then be calculated as:

Hence, the beam's volume is 
The formula for a circle's area is
. We are given an area of 38.465 square inches for a quarter of it.
Multiply this value by 4 to compensate for the quarter circle.


Divide both sides by pi (Note: I'm using the conventional value of 3.14)

Take the positive square root of both sides

The radius is 7 inches. Let me know if you have any questions, thanks!
Answer:
y=2x+5
Step-by-step explanation:
3x - 5 = 2 Add 5 to both sides
3x = 7 Divide both sides by 3
x =

The answer is
B.
.
Answer:
x=6 and x=-2
Step-by-step explanation:
so
x(x-4)=12
first distribute
then move the terms
and the u get
x=6 and x=-2
hope this helped