Answer:
DE=10
Step-by-step explanation:
equation:
18=4x+(14x-18)
18=18x-18
36=18x
x=2
14(2)-18
28-18=10
Answer:
900kg/
Step-by-step explanation:
Formula: d = m/v
Given: m = 90, v = 0.1
Sub: d = 90/0.1
Solve: d = 900
I believe the answer would be 171.5 because the 343m/s is the speed but it only lasted for half a second so divide 343 by 2 and you get 171.5. hope this helps
Answer:
18 gallons
Step-by-step explanation:
divide 300 by 15 you 150 or 15 again then add 1 gallon per every twenty miles
thus your answer is 18 gallons of gas
N-the number
n + 65 = 3n - 45 |subtract 65 from both sides
n = 3n - 110 |subtract 3n from both sides
-2n = -110 |divide both sides by (-2)
n = 55
