Answer:
Step-by-step explanation:
for first one's answer visit;
https://answers.everydaycalculation.com/subtract-fractions/2-3-minus-7-18
for sencond one;
3x=2+1
3x=3
x=1
for more info visit;
https://www.cymath.com/answer?q=3x-1%3D2
Answer:
of marbles,x 7.5cm height of water, Y
Step-by-step explanation:
Answer:
16 hours
Step-by-step explanation:
velocity = distance / time => distance = velocity * time;
distance = 80 m/s * 12 hours
newVelocity = 60 m/s;
newVelocity = distance / newTime => newTime = distance / newVelocity = 80 m/s * 12 hours / (60 m/s) = (8/6) * 12 hours = 16 hours
