3 years ago

18 over 4= I need help I been trying to find out what the answer is please help

Mathematics

1 answer:

Oksana_A [137]3 years ago

5 0

18/4 can be simplified into 9/2 or 4 1/2

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At the same time,

$\dfrac{\text{Height of tree}}{\text{Height of person}}=\dfrac{\text{Length person's shadow}}{\text{Length of tree's shadow}}\\\\\dfrac{\text{Height of tree}}{63}=\dfrac{124}{42}\\\\\Rightarrow\ \text{Height of tree}=\dfrac{124}{42}\times63=186\ inches\\\\=\dfrac{186}{12}= 15.5 ft\ or\ 15 ft.\ 6\ inches.$

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