Cloudy76
04.12.2020 •
Mathematics
Find the length of FE
Please explain it, I'm a little lost.
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Ответ:
The centroid (the point where the medians meet) divide each median into parts with lengths in a ratio of 2:1. This means 7x + 1 is twice the length of 3x + 4, or
7x + 1 = 2 (3x + 4)
Solve for x :
7x + 1 = 6x + 8
7x - 6x = 8 - 1
x = 7
Then XE has length
XE = 4•7 - 2 = 28 - 2 = 26
FX is twice this length, so
FX = 2•26 = 52
and so FE has length
FE = FX + XE = 52 + 26 = 78
Ответ:
2.25
Step-by-step explanation:
Each jar would weigh 2.25 ,by adding up all numbers and diving your sum by the total number of jars ( 13.5 / 6 ) would equal to 2.25