Un isótopo radioactivo con una vida media de 3.2 horas se utiliza como indicador en una prueba médica. Si se incluyen 30 miligramos en el sistema a las 9:00 horas, ¿cuántos miligramos permanecerán en el sistema a las 18:00 horas del mismo dia?.

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Ineed here’s a picture of the question