Answer:
The beam should be placed 8 feet from the center.
Step-by-step explanation:
The struts are y = √(x + 8) and y = √(x − 4). The struts are 2 feet apart at the location of the beam:
√(x + 8) − √(x − 4) = 2
Solving:
√(x + 8) = 2 + √(x − 4)
x + 8 = 4 + 4√(x − 4) + x − 4
8 = 4√(x − 4)
2 = √(x − 4)
x − 4 = 4
x = 8
That is impossible to answer because this is an expression. you can only solve for x in equations
C because PEMDAS
(Please excuse my dear aunt sally)
4/5=0.8
0.35=7/20
3/8=0.375
0.775=31/40
You could have use a calculator for this but you’re welcome
