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Suppose that a when a cell phone store charges $20 it sells 27 units. When it drops the price to $19 it sells 28 units. Assume that demand is a linear function of price. If each phone charger costs $1 to make, what price should the store charge to maximize its profit?
If x is the number of times the price is reduced by one dollar. Find a function for total profit with respect to x. A negative value for x will mean the price is increased.
f(x)=?
Price to maximize profit=?
The same amount of pure water evaporates from the lake each day, so the volume of the lake does not change. The river contains 7 % pollution.
The scores on a lab test are normally distributed with mean of 200. If the standard deviation is 20, find
You invest $5,650 at 7% per annum compounded continuously. Determine the time T (in years) for your investment to be worth $10,460. Enter an exact answer or round to two decimal places.
The curve y = x^3 + x^2 - x has two horizontal tangents. Find the distance between these two tangents and draw a picture. Please show how to solve the following problem to the answer of 32/27.
The local ice cream shop is deciding whether or not to hire a new worker. The shop must pay the worker hourly and cover a daily cost for insurance. The cost to pay an hourly worker for one day is represented by the function y = 10x + 30, where x i..
What is the probability that Mr. Smith has two sons?" Show that there are two different answers to this puzzle, depending on whether Mr. Smith specifi- cally mentioned his son because he was born on a Tuesday or whether he randomly chose a child a..
Find the value of an ordinary annuity after two years of $1,500 invested semiannually at 4% annual interest.
a coin is tossed 4 times.nbsp let a be the event that the first toss is heads.nbsp let b be the event that the third
if the worker in a factory is paid rs 2 per hour for normal work and doubles the rate for over time work. write down
A college believes that 28% of applicants to that school have parents who have remarried.
Quantitative tools & techniques are basically important for improving the qualit of managerial decisions.examine the statement & discuss the role of quantittative techniques in planning & control of business activity.
Mathematics has played an essential role in the design of many new technologies, such as the Large Hadron Collider, Global Positioning System (GPS), aerial photography, and navigation systems. These new technologies were made possible through mathema..
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