3. Marcella has a 1800-watt hair dryer that she uses for 10 minutes every other day. Assume energy costs 12 cents per kilowatt-hour. (a) How many kilowatt-hours does her hair dryer consume in a year? (b) How much does it cost to use her hair dryer for one year?

Q: A refrigeration repair company charges $80 for the first half-hour of work and $60 for each…

A: Given:A refrigeration repair company charges $80 for the first half-hour of work and $60 for each…

Q: 18. Suppose you are the thirtieth person in line to renew your driver's license at the Department of…

A: Note:- As you mention help in 18 a) so i am solving this you can see its soluton below.

Q: A well driller charges $10.00 for drilling the first meter of a well and for each meter thereafter…

A:

Q: 44. Together two computers cost $2700 per year to rent. If one costs twice as much as th other, what…

A: a+b=2700/year a=2b Then, substitute 2b for " a " 2b+b=2,700/year 3b=2,700/year b=900/year

Q: PECO currently charges 12.927 cents per kilowatt-hour for electricity. What is the cost…

A: Used electricity : 1475 watt =1.475 kilo watt time=510 min =51060 hr

Q: If output per laborhour increases by 5 percent com- pounded annually and is currently 100 units per…

A:

Q: 1. The frequency of a vibrating string under constant tension is inversely proportional to its…

A: The answer is given as follows.

Q: 3. How much does 1 kg of butter cost at the rate shown in the picture at the left?

A: We will solve the following using unitary method.

Q: A handbag costs $107 after 20% dicount inclusine of 4% GST: Wwat is the orig inal cost of orginal…

A:

Q: (b) How will an increase of $1 in the hourly labor rate affect the total cost? The total cost will…

A: The current total cost is  80+0.3*27*27 +50*2- 27*2= 344.7

Q: F Sandy can afford car payments of S450 per month for 6 yoars, what is tha price of a car that she…

A: The amount is given by the formula A = P + I   First, find the interest by using the formula:…

Q: The requirement for computer server capacity at a particular company is expected to increase at a…

A:

Q: 4.) The area of a triangle varies jointly as its base and height. A triangle with a base of 9 cm and…

A: Concept:

Q: cellular phone company "A" charges $35.00 for 250 minutes. Cellular phone company "B " charges 15…

A: As per BARTLEBY GUIDELINES I answered one question Q2 for remaining question repost it again…

Q: A case of fresh corn from McClendon's costs $13.26. Each case contains 60 full ears of white corn.…

A: We have to find cost...

Q: 2. How many gallons of a plant food that  is 9% nitrogen must be combined with smother plant  food…

A: Given information:

Q: A 60 kg individual needs to work at a MET level of 8 to reach her target heart rate.  If the…

A:

Q: 1. The amount of paint p needed to paint the walls of a room varies directly as the area A of the…

A: Given- The amount of paint p varies as the area Aof the wall and 2 gallons of paint is needed to…

Q: A hose fills 2/8 of a pool in 3/6 of an hour. At this rate, how much of the pool will these hose…

A: given that  A hose fills 2/8 of a pool in 3/6 of an hour. Clearly 1/4 of a pool filled in 1/2 hour…

Q: Mr.Loke was paid $190 for a job that required 40 hours of work. At this rate how much would you get…

A:

Q: When a drug such as a pain killer or an antibiotic is introduced into the​ body, the kidneys work to…

A: The solution is provided below.

Q: What expression represents the cost of one unit of electric fan at in fon is

A:

Q: 1. A man takes 40 mg of a certain medicine. Each hour, the amount of medicine in the man's system…

A: Let's find.

Q: Calculate the number of kilowatt-hours (kW-hrs) consumed in two days by a 260-Watt incandescent…

A:

Q: (1).Estimate the height of a person who weighs 71 kg and whose BSA is 1.7. Round to the nearest cm.…

A:

Q: If gas prices in New York are $3.16/gallon, and your car gets 32 miles/gallon, then how much does it…

A: Since the gas prices in New York are $3.16/gallon and our car gets32 miles/gallon, Then Our Aim is…

Q: 9.) To water a lawn adequately, it takes approximately 554 gallons of water for every 500 square…

A: Calculation are as follows

Q: A company that produces a single product had a net operating income of $85,500 using variable…

A: GivenThe net operating income using variable costing =$85,500The net operating income using…

Q: 2. Suppose Rhea finished 120 units in a week. She is being paid using a straight piece-rate plan,…

A: Here, the girl finished 120 units in a week, and the pay rate is P4.50 per piece/unit.

Q: 1. A girl cycles for 3hrs at a speed of 40 km/h. What distance did she travel?

A: NOTE: ACCORDING TO BARTLEBY GUIDELINES, SOLUTION OF ONLY FIRST QUESTION WILL BE PROVIDED.

Q: 44.- If a family buys 250 kilos of beans and consumes 1 2/3 kilo daily, how many days will it take…

A:

Q: How many grams of sodium fluoride should be added to 100,000 liters of drinking water containing 0.6…

A: As per company guideline we are supposed to answer only one question. for other solution kindly…

Q: Your utility company charges $0.13 per kilowatt-hour of electricity. What is the daily cost of…

A: We know that, Energy = Power * time            E = P * ∆t           E = 75 * 12           E = 900…

Q: 6- You have just installed the Embassy Century above ground pool in your backyard, which is 21 feet…

A:

Q: A storage area has space for 20,000 parts. Currently 15,000 parts are stored there. How many percent…

A: We have to find capacity used.

Q: le Smh Odo Cost 7 Siut dt

A: We have to integrate the given expressions.

Q: Suppose 16 feet of copper tubing costs $27.04. Find its cost per foot.

A:

Q: $28 for 14 hours is equivalent to how much for 1 hour? What is this as a rate?

A:

Q: Two containers designed to hold water are side by side, both in the shape of a cylinder. Container A…

A:

Q: If 7 prunes provide 10% of the Vitamin A needed daily. What percent of the daily percent of Vitamin…

A: By using here cross multiplication property Given 7 prunes provided 10℅of vitamin A  Let 25 prunes…

Q: (1) The rate of data transfer from an internet provider is 2300bytes per second. How long will it…

A: 1 The rate of data transfer is 2300 bytes per second We have to transfer a 387000 bytes document…

Q: 18. If the number of healthy fish f varies as the amount a of food available, how many fish would be…

A:

Q: 34. Due to the rising demand for face masks, a manufacturer decides to target a daily profit of PhP…

A: Given: Daily target profit = PhP 1000,000.00 Average daily cost:  P(x) = 2x2 +x - 10

Q: How many  gallons of a plant food that  is 9% nitrogen must be  combined with smother plant  food…

A: Let x gallons of a plant food that  is 9% nitrogen must be  combined with smother plant  food that…

Q: The requirement for computer server capacity at a particular company is expected to increase at a…

A: This can be found by following formula : A=P(1+r )t where, A=Future value=1200 GB P=present value…

Q: If 2L of solution needs to be administered through an IV over 24hours, then how many mililitres of…

A:

Q: The total cost in pesos of producing x pools of low voltage cable is given by C = 0.002 x3 - 0.5 x²…

A:

Q: The requirement for computer server capacity at a particular company is expected to increase at a…

A:

Q: 1: How many millilitres of a concentrated acid would need to be added to 30 ml of 20 % topical acid…

A: