1. Un automóvil que se desplaza con velocidad constante aplica los frenos durante 25.0s y recorre 400m hasta detenerse.
Calcular:
a) ¿Qué velocidad tenía el automóvil antes de aplicar los frenos?
b) ¿Qué desaceleración produjeron los frenos?
Datos
Ecuación
Desarrollo

ayudenme plis​

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.