PLS HELP ILL MARK YOU BRAINEST DUE IN 30 MINSSSS
1 answer:
Answer:
51
Step-by-step explanation:
Let the middle number be x. Then the 3 numbers will be, x-1, x and x+1. Therefore x-1+x+x+1=51. Therefore: 16+17+18= 51.
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let t = time (hrs) that they are 50 mi apart
Use pythag here; a^2 + b^2 = c^2; dist = speed * time
(30t)^2 (40t)^2 = 50^2
900t^2 + 1600t^2 = 2500
It's obvious that t = 1 hr
Answer:50
Step-by-step explanation:
The answer is -8/15 because you need to cancel out the variables first
Finding the perimetre: 7x+4x-3+x=12x-3
Good luck!
I don't think so because they're different things!
