Mathematics, 22.09.2019 23:30 persis52

Tl
4. tres barredoras recolectan la basura de 20 calles a la redonda del centro histórico al mismo
tiempo, en un lapso de 8 horas. si se descompone la barredora a, entonces by c realizan el
trabajo en 12 horas, pero si se averían a y b, la barredora c lo hace en 18 horas. responde:
a) ¿cuánto tardan, por separado, las barredoras a y b en realizar la limpieza?
b) si en una hora la barredora a limpia 72 m² de superficie, ¿cuál es la superficie total de las
calles que barren a, b y c?
c)¿cuántos metros cuadrados asea por hora cada barredora b y c?

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, vanessasmith47

How do i do this activity, is appreciated

Answers: 3

continue

Mathematics, 21.06.2019 21:00, newsome1996p4ggft

5x−4≥12 or 12x+5≤−4 can you with this problem

Answers: 3

continue

Mathematics, 21.06.2019 21:50, jak000067oyyfia

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x, y) t-2, 00 ro, 900(x, y)

Answers: 2

continue

Mathematics, 21.06.2019 22:00, sebcbal

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

Answers: 1

continue

You know the right answer?

Tl
4. tres barredoras recolectan la basura de 20 calles a la redonda del centro histórico al m...