Ayudaa Compramos un refrigerador. Cuando lo enchufamos a la red eléctrica está a la temperatura ambiente, que es de 25° C. Si cada hora baja la temperatura 5° C, ¿a qué temperatura estará al cabo de 6 horas?

-5

Step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21

-7 + ? = 21

-7 + 28 = 21

hope it