ma870640
23.10.2020 •
Mathematics
Crista works for a company that cuts down diseased palm trees before they fall and cause damage. She must determine the height of the palm tree. Crista is 4 feet tall and has measured her shadow to be 5 feet long. At the same time, she measured the tree’s shadow to be 28 feet long. What is the height (h) of the palm tree.
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Ответ:
Step-by-step explanation:
it's simple
8x+3y-x-4y=7x-y
110x-103y-103x+102y=7x-y
5x+2x-2y+y=7x-y