He made a mistake in step #2. It seemed to be a trivial mistake because it involved signs, but it still had a great impact. Since step#2, his solution was already wrong.
Instead of
(-1)²-4(2)(-6) = 1 + 48 = 49
What he did is
(-1)²-4(2)(-6) = -1 + 48 = 47
Answer:
the circumference is: 10.048 ft
the area is: 8.0384 ft
1.8n-1.5n=-6.2-4
3.3n=-10.2
n=-3.09
Answer:
the lcm would be 30 not 60
Step-by-step explanation:
