Answer:
2/5 =0.4
1/4=0.25
The fraction larger es 2/5
Answer: 7 1/30
Step-by-step explanation: convert to improper fractions then find lowest common denominator between them then add and simplify back to mixed fraction :)
Answer:
The rusting of iron is represented by the equation 4Fe +3O2 --> 2Fe2O3.
Step-by-step explanation:
Answer:
substitute for v, when v = -2.9
Step-by-step explanation:

subtract 13.1 on both sides.

divide by 5.2 to isolate v


substitute for v



The factors that are needed to be controlled are :
1. the date of manufacturing of the drug should be the same
2. the amount of drug should be the same
3. the time they will take the drug should be the same
4. the food they are taking should be the same
5. the activities they are doing should be the same