quintasiahaskin

08.02.2021 • 

Mathematics

The popular `iris` data set gives the measurements in centimeters of the variables sepal length and width and petal length and width, respectively, for 50 flowers from each of 3 species of iris. The species are Iris setosa, versicolor, and virginica. The `iris` data set is included with every R installation. i) Check the structure of the`iris` data. ii) How many variables and observations are in the data set? iii) Which variables are `numeric` type? iv) Display the first 4 rows of the data.

Ответ:

hit89

14.06.2021

Mathematics

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One pound= 16 ounces 

2 x 16 = 32 ounces = 2 pounds

2/5 can also be expressed in decimal form as .4

so 32 x .4 = 12.8

and then 3/10 also is .3 

so 32 x .3 = 9.6 

add the two 12.8 + 9.6 = 22.4

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