Step-by-step explanation:
To check if a solution is extraneous, simply plug it back into the original equation. If it works, then solution isn't extraneous.
√(2x−1) = 7
√(2(25)−1) = 7
√(50−1) = 7
√(49) = 7
7 = 7
So the solution isn't extraneous.
the Answer is c. I think
Answer:
n = -2
4n + 12 = 4
Subtract 12 from both sides.
4n = -8
Divide both sides by 4.
$23.26
choosing 1 blue and 1 green candy or choosing 2 green candies