"a "and "b^2-4ac" must be negetive
Answer:
distance=rate*time
2520=(r)(3)+(r+90)(3) (they both travel for 3 hours)
2520=3r+3r+270
2520-270=6r
2250=6r
r=2250/6
r=375 mph
r+90=375+90=465 mph
Step-by-step explanation:
Hi there
You made per hour
342÷18
=$19
You made for 8 hours
$19×8
=$152
Hope it helps
Answer:
The answer is 54 9/14
Step-by-step explanation:
what u do is this
#1. 765 divided by 14 which equals 54.64285714. Don't worry about the numbers after the decimal.
Then u do 65-54= 9 so u have 54 9/14
to check yourself just do 14 times 54= 756 + 9 = 765
