in an examination a student scores 72% in mathematics x% in physics and 58% in chemistry if his mean Mark in the 3 subject was 60% calculate x

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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.)