Information about completing the square

Assignment Help Basic Statistics

Reference no: EM13120753

Exercise given in textbook:

A farmer has 40m of fencing with which to enclose a rectangular pen.Given that the pen is x m wide - show that it's area is (20x - x^2)m^2 and deduce that the maximum area that he can enclose (Answer given 100m^2).

I have completed lots and lots of exercises involving completing the square- also with minimum and maximum values but am obviously missing something here.

Reference no: EM13120753

Questions Cloud

Explain important information about counting and probability : Important information about Counting and probability, Find the number of possible combinations of picking 2 items out of 6.

What are the molar concentrations of aluminum : Consider a 1.00-L solution containing 85.5 g Al2(SO4)3 (FW = 342.15) and 21.3 g Na2SO4 (FW = 142.06). What are the molar concentrations of aluminum, sodium, and sulfate ions, respectively.

Shares and other operating improvements : Frantic Fast food had earnings after taxes of $390,000 in the year 2009 with 300,000 shares outstanding. On January 1, 2010, the firm issued 25,000 new shares. Because of the proceeds from these new shares and other operating improvements, earning..

Plot data using appropriate dimensionless groups : Assume that viscous effects are negligible Plot this data using appropriate dimensionless groups

Information about completing the square : A farmer has 40m of fencing with which to enclose a rectangular pen.Given that the pen is x m wide - show that it's area is (20x - x^2)m^2 and deduce that the maximum area that he can enclose (Answer given 100m^2).

Which costing method should she present : Stacy Ann Lynn, the great grand-daughter of the company's founder is the current CEO/President of the company, which is still a family owned business.

Calculate the resulting ph : Calculate the resulting pH if 365 mL of 2.88 M HNO3 is mixed with 335 mL of 1.10 M Ca(OH)2 solution.

Find actual proportion of stopped drivers given tickets : Would this indicate that the actual proportion of stopped drivers given tickets is not equal to .88? Use a 1% significance level.

Price discrimination on the part of the firm : If you purchased a new model of a digital camera right after it is released, you will likely pay more than if you purchase it six months after release. Explain why this is an example of price discrimination on the part of the firm.

User Account

All Pages