subject
Mathematics, 12.02.2021 16:10 amandaaaa13

A heat pump cycle whose coefficient of performance is 2.5 delivers energy by heat transfer to a dwelling at a rate of 20 kW. (a) Determine the net power required to operate the heat pump, in kW.
(b) Evaluating electricity at $0.08 per determine the cost of electricity in a month when the heat pump operates for 200 hours.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:50
Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7
Answers: 2
question
Mathematics, 21.06.2019 19:50
Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4
Answers: 1
question
Mathematics, 21.06.2019 20:30
Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
Answers: 1
question
Mathematics, 21.06.2019 22:30
Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?
Answers: 1
You know the right answer?
A heat pump cycle whose coefficient of performance is 2.5 delivers energy by heat transfer to a dwel...
Questions
Questions on the website: 13722360