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tshort2000oyreb1
18.07.2019 •
Mathematics
Two rectangles have the same area of 70m2. it is given that the length of the first rectangle is 4m longer and the width is 2m shorter than the dimensions of the second rectangle. find the lengths of the sides of these rectangles.
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Ответ:
The equation is...
70=(70/y+4)*(y-2) {y= width of the first rectangle}
and when you solve you get y is either -5 or 7 and because -5 doesn't make sense y is equal to 7
Ответ:
The sample should be larger to give more reliable information.
The sample size is too small to represent the population.
The sample size is too small and will show larger variation.
The sample size is too small and can lead to false inferences.