Bonsoir, pourriez vous me filer un petit coup de main ?? Je doit le rendre ce soir au plus vite et je n'y arrive pas... "le professeur principal de la classe de 3e B félicite ses élèves. Entre le premier et le deuxième trimestre, la moyenne générale de la classe a augmenté de 12%. Au premier trimestre, cette moyenne etait de 12,5 calculer la moyenne du deuxième trimestre"

Merci d'avance. Cordialement.

In may you used 400 kilowatt-hours of energy for electricity. a. calculate the total electrical energy use in joules. b. calculate your average power use in watts. c. assume that your power supplier generates electricity by burning oil. note that 1 liter of oil releases 12 million joules of energy. how much oil is needed to generate the electricity you use? give your answer in both liters and gallons. a. the total electrical energy use was nothing _ joules. (type an integer or a decimal.) b. the average power use is nothing _ watts. (round to the nearest whole number as needed.) c. to generate the electricity you used, nothing _ l is needed. (round to the nearest whole number as needed.) to generate the electricity you used, nothing _ gal is needed. (round to two decimal places as needed.)