Respuesta:
A.) BA = 12 m
Explicación paso a paso:
Usando triángulos similares:
BA / AC = DE / EC
BA = x; AC = 20; DE = 3; EC = 5
POR ESO ; TENEMOS :
x / 20 = 3/5
Multiplicar en cruz:
5 * x = 20 * 3
5 veces = 60
5x / 5 = 60/5
x = 12
A bag contains 6 blue marbles, 8 green marbles, 9 red marbles, and 17 yellow marbles. What is the ratio of blue marbles to total
1 answer:
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5% fail
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95 students are left assuming that the 5% that fail fail within 12 months
so 100-5=95% are left
percent means parts out of 100
95% of 100 is
95 students are left assuming that the 5% that fail fail within 12 months