Answer:
12
Step-by-step explanation:
Since its a square, all the sides are the same.
(2x+8)4=20x+8
8x+32=20x+8
32-8=20x-8x
24=12x
x=2
2x+8= 2(2)+8= 12
Answer:
The equation is:
and a beam with 10 in diagonal will support 300 lb
Step-by-step explanation:
The mathematical expression that represents the statement:
"The maximum load a beam will support varies directly with the square of the diagonal of the beam’s cross-section. "
can be written as:
where k is the constant of proportionality
To find the constant we use the data they provide: "A beam with diagonal 6 in will support a maximum load of 108 lb.":
Now we can use the proportionality found above to find the maximum load for a 10 in diagonal beam:
Answer:
60
Step-by-step explanation:
200*0.30=60
Multiply the percent's by the total cost.
You kept the movie for 3 extra nights