Dos gases en una mezcla pasan a través de un
filtro a un ritmo proporcional a la velocidad
de los gases, la rms. a) Determine la relación
de velocidades para los dos isótopos de cloro,
35Cl y 37Cl, a medida que pasan a través del
aire. b) ¿Quéisótopo se mueve más rápido?

0

step-by-step explanation:

you can not divide by 0 so 4 ÷ 0 would be 0

0 × 9999 =0

mark brainliest   : )

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

135 is your answer

step-by-step explanation:

try 180 times three then divide that number by 4 (sides) to get your answer. im glad to : )

in simplified version   it would be x ≤-4

step-by-step explanation:

multiply each term in x ≤-4 by -1