Answer:
Use a graphing calc.
Domain: All real numbers
Range: (negative infinity, 10.45]
Step-by-step explanation:
Study hard and take the test slowly. rushing will make you get all the wuestions wrong. if you need more advice, message me.
80*t+70*t=50
t = .33 hours =20 minutes
This assumes the trains are going opposite directions (opposite tracks so I’m assuming opposite directions)
Answer:
1:4
Step-by-step explanation:
Given
Volume of orange juice = 50ml
Volume of water = 200mL
Required
Ratio of volume of orange juice to water
Ratio = volume of orange juice/volume of water
Ratio =50mL/200mL
Ratio =5/20
Ratio =1/4 or 1:4
Hence the required ratio is 1:4