Mathematics, 26.11.2021 22:50 jordanmjdmary8898
A 1250 W hair dryer was used for 10 minutes a day for 30 days.
A. How much electrical energy was used during this time, in joules? (2 marks)
B. How much electrical energy was used during this time, in kilowatt hours? (2 marks)
C. If the electric company charged 8 cents per kW-h, how much would it cost to use the
hair dryer during this period of time? Express your answer in dollars, to the nearest
penny. (1 marks)
Answers: 3
Another question on Mathematics
Mathematics, 22.06.2019 00:30
Jo divides a candy bar into eight equal pieces for her children to share she gives three pieces to sam three pieces to leslie and two pieces to margie rose the two month old baby does it doesn't get any what fraction shows how muchw candy each of the four children got. what's the answer to my question
Answers: 2
Mathematics, 22.06.2019 01:30
Arectangle has a length of 6cm by 8cm what is the length of a diagonal of the rectangle
Answers: 1
Mathematics, 22.06.2019 02:30
Solve the compound inequality. graph your solution. 2x – 2 < –12 or 2x + 3 > 7 x < –5 or x > 5 x < –5 or x > 2 x < –12 or x > 2 x < –7 or x > 5
Answers: 2
You know the right answer?
A 1250 W hair dryer was used for 10 minutes a day for 30 days.
A. How much electrical energy was u...
Questions
Mathematics, 22.03.2021 18:20
Mathematics, 22.03.2021 18:20
Social Studies, 22.03.2021 18:20
Mathematics, 22.03.2021 18:20
Mathematics, 22.03.2021 18:20
English, 22.03.2021 18:20
Mathematics, 22.03.2021 18:20
Advanced Placement (AP), 22.03.2021 18:20
History, 22.03.2021 18:20
Mathematics, 22.03.2021 18:20
Mathematics, 22.03.2021 18:20
