# Stand-by power

Determine the year-round consumption of appliances in stand-by mode. Stand-by mode is regime the unit continuously 24 hours consume a tiny amount of electricity. Typically are televisions, electric ovens, radios, computers, monitors, satellite receivers, wifi router, etc..

Calculate the year consumption of 19 stand-by power consumption of appliances with an average consumption 3.8 W each. What is the value of consumed electricity if 1 kWh = 0.17 €?

Calculate the year consumption of 19 stand-by power consumption of appliances with an average consumption 3.8 W each. What is the value of consumed electricity if 1 kWh = 0.17 €?

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- Expressions

Find out value of expressions if a = -1, b =2: x=b - 2a - ab y=a^{3}- b^{2}- 2ab z=a^{2}b^{3}- a^{3}b^{2}w=a + b + a^{3}- b^{2} - Cages

Honza had three cages (black, silver, gold) and three animals (guinea pig, rat and puppy). There was one animal in each cage. The golden cage stood to the left of the black cage. The silver cage stood on the right of the guinea pig cage. The rat was in the - Circles

For the circle c_{1}(S_{1}; r_{1}=146 cm) and c_{2}(S_{2}; r_{2}= 144 cm) is distance of centers |S_{1}S_{2}| = 295 cm. Determine the distance between the circles. - Hussein

Hussein owns 450000. He spent at the bookstore 2 over 9 to buy some books and tales. He paid 3 over 5 of his money to buy his math book. Then he paid his money to buy stories diagram ; a. Calculate the remaining amount of money with Hussein? b. Hussein l - Value of teeth

To know value to the healthy teeth we discover only when we take care about tooth caries followed by loss of teeth and think how to replace missing teeth... Calculate the value (cost of money) healthy teeth, if we assume that man has with 32 teeth and rep - Cheaper cars

State-owned railway company buys 10 air-conditioned coaches for nearly 18 million euros. Calculate how many euros is the equivalent of one seat in the wagon with a capacity of 83 people. How many of used cars at the price 2700 Euros can be buy instead o - Milk bill

Mrs Tara buys 2 liters of milk daily. If 1 liter of milk cost $0.27. What will be her milk bill for 30 days. - One frame

5 picture frames cost € 12 more than three frames. How much cost one frame? - Bus tickets

Bus ticket for a trip from Prague to Paris cost 2180Kč. A return ticket costs 3930Kč. How much money will save a family of four to go to Paris and back when they purchase a return tickets? - Flood water

Flood waters in some US village meant that the homes had to evacuate 364 people. 50 of them stayed at elementary schools, 59 them slept with their friends and others went to relatives. How many people have gone to relatives? - Addition of Roman numbers

Added together and write as decimal number: XXXIV + MDCCXII - Draw it!

Draw two lines c, d that c || d. On line c mark the points A, B. By point A lead perpendicular line to c. By point B lead perpendicular line to c. - The result

How many times I decrease the number 1144 to get the result 22? - Eq1

Solve equation: 4(a-3)=3(2a-5) - Line

How many parts of line divide 5 (different) points that lie on it? - If-then equation

If 5x - 17 = -x + 7, then x = - Ten pupils

10 pupils went to the store. 6 pupils bought lollipops and 9 pupils bought chewing gum. How many pupils have bought both lollipops and chewing gums (if everyone bought something)?