Answer:
2x^2-2x
Step-by-step explanation:
2x(x-1) = 2xx - 2x
2xx = 2x^2
therefore 2x^2-2x
Answer:
800,000
Step-by-step explanation:
the number that we are rounding is 90,000 which is gonna make the seven go up to 8
Answer:
Step-by-step explanation:
t is the number of hours
12.24+0.11t = 12.74-0.15t
0.11t + 0.15t = 12.74 - 12.24
0.26t = 0.5
t= 0.5/0.26
t= 1.92 hours
approx to 2 hours
