Answer:
Solve the resulting equation for x
Andre walks for 16 minutes. 80% of 10 is 8 and times that by 2 is 16 so 16 minutes.
okay so we need to solve for x.
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FIRST STEP: 12x^2+5x-4=12^2x+6 would turn into x2 + 5x - 4 = 2x + 6 so it'd have equal bases.
SECOND STEP: move any number with "x" in it to the left side. it ends up as x2 + 3x - 4 = 6
THEN, we use the AC method to eliminate any unnecessary numbers.
you should end up with ( x - 2) (x + 5) = 0
SO, the answer is your third option. ( x = 2, x = -5)
Answer:
-1/3
Step-by-step explanation:
The answer to this problem is
all real numbers except for 4. When looking at this function, one can see that most numbers are possible. But, the only number that won't be possible is four. That's because the fraction

will always equal something greater than or less than zero. Since it's never going to equal zero, and since there is already a 4, that means that the range of this function is
all real numbers except for 4.