Anna, Elsa, and Olaf are trying to decide how many hours per week to run the heater, which costs $30 per hour, in the castle where they all live together. Anna and Elsa's inc demand curves for hours of heat per week are given below: Anna: P = 45 - ½Q Elsa: P = 30 – 1/3Q

Q: The relationship between advertising (X) and sales (Y) is expressed by the equation Y = 12 +0.8X.…

A: Regression Equation: When we want to predict the value of one variable, say Y, from the given value…

Q: The stress on the material of a large circular metal pipe varies jointly with the internal pressure…

A:

Q: The time (T) it takes to plant rice in an acre varies inversely as the number of farm workers (W).…

A: The time (T) it takes to plant rice in an acre varies inversely as the number of farm workers (W).…

Q: The following is the cost function for natural gas for the city where Greg lives.  Greg's natural…

A: The cost function contains fixed cost and variable cost. Here the fixed cost is $16.74

Q: Complete the equation involving x. Order terms like the physical situation, and don't simplify. A 2…

A: Let x feet should be on each side of the painting. Given the painting is 2 foot wide and the wall is…

Q: Finbar bought his home for $150,000 in 2010. Property values have increased 10% every year since he…

A: Given, in 2010 Finbar bought his home $150,000 property value increase 10% every year, To find the…

Q: you work 42 hours per week, then your weekly pay P, in dollars, is proportional to your hourly wage…

A:

Q: 3. Complete the table for the function: y 21 Xy a 0 b 4 C 6 a= b= 2.

A: Topic = Function a=2 b=4 c=5

Q: Mark found that the daily demand for his company's new design of sunglasses was inversely…

A: The problem states that the daily demand for sunglasses is inversely proportional to the price. This…

Q: PV = k Y. Make P the subject of the relation T. %3D

A:

Q: Ezra has a base salary of $25,000 and earns 65% commission on vacuum cleaners. This means that for…

A: Base salary of Ezra, B=$25,000 Target Amount T=$35,000 Commission that Ezra need to earn if he want…

Q: Which skill is less important in mathematical modelling? O A) Trial and error O B) Natural Science O…

A: Mathematical modelling is very much important to study different natural phenomena elated to natural…

Q: A baker starts a bakery with a fixed cost of $25,000. The cost of making a pie is $11.50. If the…

A:

Q: Fatima is a roofer. She can use asphalt shingles only when the pitch of the roof is 16% or greater.…

A:

Q: Suppose we want to predict harassment frequency (Y) based on annual salary (X) of women and get the…

A: We have given that Regression equation Y = -1X +62.67 We have to find the predicted value when X= 29…

Q: Mark spends 3/8 of his monthly income on housing. Of the REMAINDER, he spends 1/ 3 on food and saves…

A: Let monthly income is L1. Mark spends of his monthly income on housing.So, the fraction of his…

Q: Max used the equation y= 300(1.15) to predict how a. What is Max original credit card bill? much he…

A:

Q: Liana was 10 miles from home at 2 pm and 70 miles from home at 3:30 pm. What was her average rate of…

A:

Q: The height h (in feet) of the cloud basecan be estimated using h = 227(T - D ), where T is theground…

A: Given equation -h = 227T-D            ..........(1)Given values -T = Ground temperature = 70°FD =…

Q: Mike’s class is building a model of the new One World Trade Center (OWTC) in New York City. They…

A: NOTE: Refresh your page if you can't see any equations. . the given scale for the model is 1:0.005…