Tutors Answer Your Questions about Linear-equations (FREE)
Question 515701: It would be very much appreciated if someone could help me with this, I'm so confused...thank you so much in advance!
Write the slope-intercept equation for the line that passes through (-7,-1) and has slope -6/7. Please show all your work
Click here to see answer by Alan3354(30993)  |
Question 517227: You have two tanks used to store water. A 50 gallon tank is empty and then is filled at a rate of 2 gallons per minute. At the exact same time, a 140 gallon tank starts out completely full and is being emptied at a rate of 5 gallons a minute. When will both tanks contain the same amount?
I do not know how to even set this problem up.
dillonlisa67@yahoo.com
Thank you so very much!
Click here to see answer by Edwin McCravy(8909)  |
Question 517597: I need help soving this problem, thanks.
Your company would like to know how sales levels affect profits. If too few items are sold, then there is a loss. Even if too many items are sold, however, the company can lose money (likely because of low pricing). It is good to know how many items can be sold for there to be profit.
Functions are very useful in many areas, such as in business to find the profit an organization is making. For example, the following function expresses profit in terms of the number of phones sold by a particular company:
P(x) = –x2 + 110x – 1,000
This function can be used to compute the profit (in thousands of dollars) from producing and selling a certain number, x, of thousands of smartphones.
a. Compute the following: P(5), P(50), and P(120). Then, interpret the results.
b. Graph the function using the desired graphing program. Paste the graph that you create into your assignment.
c. Discuss and interpret the meaning where the profit function crosses the x-axis. Refer to last week’s assignment concerning break-even points, and interpret the graph. Also, discuss where the graph is above and below the x-axis, explaining what that means in terms of profitability.
Click here to see answer by solver91311(16897)  |
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