An inverse<span> operation are two operations that undo each other e.g. addition and subtraction or multiplication and division. You can perform the same </span>inverse <span>operation on each side of an </span>equivalent<span> equation without changing the equality.</span>
It depends on the value of the discriminant of the quadratic.
If you are familiar with the quadratic formula...
x=(-b±√(b^2-4ac))/(2a)
The part under the radical sign (b^2-4ac) is called the discriminant of the quadratic (of the form ax^2+bx+c)
If the discriminant is less than zero there are no REAL solutions (however there are two imaginary solutions)
If the discriminant is equal to zero, there is just one solution
If the discriminant is greater than zero, there are two real solutions.
So depending on context, if you are to exclude imaginary solutions (which we often do) you can have 0,1, or 2 real solutions.
However you will NEVER have three solutions. (real or imaginary)
Let x = the width of the border
2x+23) by (2x + 33) are the overall dimensions of the pool and the border. Use the area to find x!
Overall area - pool area = 660 sq/ft (aggregate area)
(2x+23)*(2x+33) - (23*33) = 660
Solve.
4x^2+112x = 660
4x^2+112x−660=0 → subtract 660 on both sides
4(x−5)(x+33)=0 → factor
x−5=0 or x+33=0 → set both factors equal to 0
x = 5 or x = -33
In this case, we would use the positive solution, so the strip can be 5 ft. wide!
I hope this helps :)
Answer:
oh dude this is such a cool riddle i think the answer is ..... 62
Step-by-step explanation:
if there are 82 legs .... and you said there are 5 cows and cows have four legs so that is gonna be 5x4 which equals to 20 and then we can subtract 20 with 82 and that will give the answer as ..... 62 !!!!!!! yeaaaaaa
make me brainliest or whatever .... i.d.k .... just kidding make me brainliest NOW !!!!!! please
