for x â 1.83 ; there are real solutions for the equation x2 / 4 - y2 / 16 = 1. for x â -3.83 ; y values are given by: y â 6.53 and y â -6.53. The 2 points of intersection of the two hyperbolas are. ( -3.83 , 6.53) ; ( -3.83 , -6.53)
Laser Printer Cost Advantages. Consider that an entry level business Color Laser printer can be bought for less than $250. If one uses the same cost comparison method, the cost is less than $0.16 per page.($231 street price divided by 1500 sheets = $0.154 per page).The savings become even greater when the costs of the printer and subsequent high capacity replacement toner cartridges are used and factored in over a 3 year period.tâs not uncommon for inkjet cost per page analyses to work out to be $0.25 to more than a $1 per page. Be sure to consider all of the costs when you attempt to compare printers! For a relatively low volume of 50 to 100 pages a month, the supply costs arenât too bad!
Paper. The average price for 20 lb printer paper seems to run between $4 and $6 dollars for average quality paper, so we will use $5 for 500 sheets-or a penny a page, for both inkjet and laser printers. This is the type of paper used to print text, or text with some basic business graphics.nk for the Deskjet costs $15 for the black 60 cartridge, with an estimated page yield of 200 pages. The tri-color cartridge is $20, and has an approximate yield of 165 pages. Cost per page of black text is $15.00/200: $.075, or 7.5 cents a page for text.