Answer:
v = s/t
v = (381.59 miles) / (5.5 hours)
v = 69.38 mph
Z = -2/3a
divide by -2/3 on both sides
a = z divided by -2/3
a = -3/2z
Use simultaneous equations:
2x + 7 = x^2 + 8x - 9
7 = x^2 + 6x - 9
16 = x^2 + 6x
+ or - 4 = 7x
answer is
-4/7 or 4/7
Answer:
5,114.6
Step-by-step explanation:
5.1146 x 10^3 means move decimal point 3 to the right to get the answer
