Mathematics: It takes 15 workers to do a certain job, who work 12 days out of 5 hours a day. In how many days will 10 workers, working 9 hours a day, finish this job?

It takes 15 workers to do a certain job, who work

hanglenn1

28.01.2022

Portuguese - Brazil

Quanto maior o número de dias, menor o número de trabalhadores necessários e menos horas por ida são necessárias.

Step-by-step explanation:

$\frac{x}{12} = \frac{15}{10} . \frac{5}{9}\\\frac{x}{12} = \frac{5}{6}\\x = \frac{60}{6}\\x= 10 dias$

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brialevy2283

04.04.2023

Approximately after 2 seconds

Step-by-step explanation:

The height of the pendulum is modeled by the function:

When the pendulum reaches 3.5cm, then pP(t)=3.5 cm.

We substitute and solve for t.

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