Answer:
7 ÷ (a - 6)
Step-by-step explanation:
9514 1404 393
Answer:
2) 3 pages per hour
3) 4/29 km per minute
Step-by-step explanation:
Division by a fraction is the same as multiplication by the inverse of that fraction.
<h3>2) </h3>
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<h3>3) </h3>
Before the mechanic worked on it, it cost .09 (cents) per mile. After the mechanic worked on it, it cost .08 (cents) per mile. Divide the number of gallons by the miles in each case and multiply the result by 4.
Answer:
x=-5
Step-by-step explanation:
add 7 to 53 then divide -12 to itself and 60.
Answer:
Sampling is necessary because researchers in the social sciences almost never have enough resources — time or money — to collect information about the entire set of subjects of interest to them.
Step-by-step explanation:
Sampling is done because you usually cannot gather data from the entire population. Even in relatively small populations, the data may be needed urgently, and including everyone in the population in your data collection may take too long.
