Answer: 18.75 lb.ft
Step-by-step explanation:
Given
Force required to stretch spring 8 in. is 18 lb
it can be written

Work done in stretching from its natural length to 10 in.

Answer:
9
Step-by-step explanation:
Well 12 + 6 = 18 divided by 2 is 9
So 9 is your answer.
Answer:
63.25 ft², use the formula then you can find the answer.
Answer:
The first option: 3x = 3 + 2x
Step-by-step explanation:
The question answers itself. In short:
x is our unknown number.
If three times a number (3x) is (=) three more (3) than (+) twice the number (2x).
It would be A. It is A because 5 is negative, 2.1 is negative, 0.3 and 3.1 are positive. Also 5 is greater than 2.1, so in this case -5 would be before -2.1.