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lorasvet [3.4K]
3 years ago
13

Y=-0.05x^2+4.5x-6.5 pls help to solve

Mathematics
1 answer:
givi [52]3 years ago
6 0
Following with the extra hint that x = 82.03 m

There are 2 ways to approach the question, but although I prefer to group up x first before plugging value, having that -0.05x^2 to group up is too annoying:

Plug x = 82.03

=> Y = -0.05*(82.03^2) + 4.5*82.03 - 6.5
         = -336.446045 + 369.135 - 6.5
         = 26.188955 m

Please take the time and understand the answer instead of just looking at the final result.

Also I know the number is very long, but that's the question's fault. <span>¯\_(ツ)_/¯</span>

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If you multiply two binomials together, what type of polynomial will the product be?
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Usando proporciones, se encuentra que 400 africanos han participado.

En total, hay x participantes.

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Los africanos son la quinta parte de los americanos, o sea:

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En la carrera han inscritos 24 000 participantes, o sea, x = 24000. Por eso, la cantidad de africanos es:

Afr = \frac{x}{60} = \frac{24000}{60} = 400

Para obtener más información sobre las proporciones, puedes visitar a brainly.com/question/24615636

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