Mathematics, 22.09.2019 14:30 alexandrarosete7
At a special sale, all pens are sold at one price and all pencils at another price. if 3 pens and 2 pencils are sold for 47 cents while 2 pens and 3 pencils are sold for 38 cents what is the cost of a set of one pen and one pencil in cents?
Answers: 1
Mathematics, 21.06.2019 16:10, rajene9302
On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius
Answers: 2
Mathematics, 22.06.2019 04:00, brendacauani12345
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.)
Answers: 1
Mathematics, 22.06.2019 04:30, xxtonixwilsonxx
Solve the following system algebraically. y = x2 – 9x + 18 y = x – 3 a. (3,1) and (5,3) b. (3,0) and ( 4,2) c. (–4,5) and (7,–10) d. (7,4) and (3,0)
Answers: 3
At a special sale, all pens are sold at one price and all pencils at another price. if 3 pens and 2...
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