1 - 2x < 11
-2x < 10
x < -5
Jack's mistake is that he was supposed to divide by -2 on both sides of the inequality, but he did not do that. By dividing by -2, he will get x < -5.
Answer:
500
Step-by-step explanation:
Since the 5 is in the hundreds place in the number 2500.7, its value is 5 * 100 = 500.
Answer:
Step-by-step explanation:

512=2w^2 is the best answer