Answer:
x=12 . x=-12
Step-by-step explanation:
ONce you do the quadratic equasion than you move on to the solving part and from ther it is easy
Answer:
8.3 - 0.6x = 11.3
Step-by-step explanation:
When you solve all of the equations, the x value for all is 5. On the last equation, x = -5
Answer: 4ab+10b
2.5ab+14b+1.5b-4
4ab+14b-4b
4ab+10b

The right fraction represents the percentage; 42 over 100 (100 is the total), or 0.42.
The left fraction is the part number over the whole number. The whole number is unknown, so we use 'x'.
Your answer is 75.
"A construction company is stringing up signs ... "
Divide 4 miles by 1/8 mile:
4 miles
--------------------------- = 32 signs are needed
(1/8) mile per sign