Zion has a sink that is shaped like a half-sphere. The sink has a volume of . One day, his sink clogged. He has to use one of two cylindrical cups to scoop the water out of the sink. The sink is completely full when Zion begins scooping. One cup has a diameter of 5 in. and a height of 8 in. How many cups of water must Zion scoop out of the sink with this cup to empty it? Round the number of scoops to the nearest whole number (round up).

One cup has a diameter of 7 in. and a height of 7 in. How many cups of water must he scoop out of the sink with this cup to empty it? Round the number of scoops to the nearest whole number (round up).

35

Step-by-step explanation:

Because Zion has the sink of a half sphere

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.