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 Question 63911: Solve by completing the square: I attempted to do this problem, can you please analyze and inform me as to where I may have gone wrong. I think I missed something or did a step wrong. x^2+10x+13=0 x^2+10x+13-13=0-13 x^2+10x+(5)^2=-13+(5)^2 (x+5)^2=-13+25 (x+5)^2=5 x+5=±5 x+5-5=-5±5 x=-5±5 x=-5-5 x=-10 or x=-5+5 x=-0 Click here to see answer by tanimachatterjee(60)

 Question 63927: Kindly assist . The people welfare state wants to create a welfare agency . its attempting to determine the number of analyst to hire to process welfare applications . efficient experts estimate that the average cost of processing an application is a function of the number of analyst . the cost function is of the form C = f(x) = 0.01x^2 – 5 Ln x + 60 Determine the numbr of analyst who should be hired in order to minismize the avarage cost per application Click here to see answer by stanbon(57387)

 Question 63925: Kindly Help !! USA TWO (UT) processes and sells Tea and coffee products. UT’s revenue function is of the Form R = ax + by ( \$ 000 ) , where X and Y are tons of Tea and Coffee products sold . John, in an effort to establish the specific form of the revenue function obtained the following data. John has also established that UT’s total cost function is specifically: C = 10x^2 + 20 y^2 + 10xy Determine the tones of each product that should be processed and sold to maximize profit and the maximum profit Click here to see answer by stanbon(57387)

 Question 64000: solve using the quadratic formula this problem is taken from a homework sheet on quadratic equations, can you please show me the necessary steps involed in completing this problem. x^2-3x-3=-5 Click here to see answer by sarahschober(35)
 Question 64000: solve using the quadratic formula this problem is taken from a homework sheet on quadratic equations, can you please show me the necessary steps involed in completing this problem. x^2-3x-3=-5 Click here to see answer by josmiceli(9697)

 Question 64016: SOLVE BY COMPLETING THE SQUARE: 2X-24=-2X SQUARED Click here to see answer by Edwin McCravy(8909)

 Question 64042: Help.... I am having a real hard time with this one. Any help would be greatly appreciated. Click here to see answer by sarahschober(35)

 Question 64103: The problem is X3 + X2 is less than or equal to 4X +4 How do you derive the quadratic formula using "complete the square"? Thank you Sandra Gardner Click here to see answer by stanbon(57387)

 Question 63924: please assist . Thanks National charity (NC) a welfare NGO solicits for donations to assist the less fortunate members of society. During the festive season from previous undertakings NC has established that donations will be received at a rate of d(w) donors per week , Where d (w) = 100e^-0.1w w = soliciting period in weeks. Usually NC requires 2000 donors to accumulate enough donations to serve the purpose What is the minimum period required for the exercise before a festive season? The answer should be 10.99 weeks but am getting 13 weeks .... Click here to see answer by stanbon(57387)

 Question 64142: pleas ehelp to solve -2x - 4^0 - x / 3 + x + 3^0 / 5 = 3 Click here to see answer by tutorcecilia(2152)

 Question 64205: I don't know how to get the answer. Don't know where to start. If you can help it would be greatly appreciated. I.m a 62 yr old grandmom and sometimes my mind can't comprehend like I wanted it to. State the domain of f(x)= x-3/x square -16 Click here to see answer by venugopalramana(3286)
 Question 64205: I don't know how to get the answer. Don't know where to start. If you can help it would be greatly appreciated. I.m a 62 yr old grandmom and sometimes my mind can't comprehend like I wanted it to. State the domain of f(x)= x-3/x square -16 Click here to see answer by uma(370)

 Question 64292: 1.) If g(x)= 2-2x^2/3x^3+10x+3, find g(o) 2. If f(x)=-3x+5 then f(x+h)-f(x)/h = ? 3. If y=3x^2-6x+5, determine the vertex and the parabola 4. Find the midpoint between the two points (8,6) and (4,8) Click here to see answer by funmath(2925)

 Question 64225: I'm stumped about this problem. A rocket is fired into the air. The height of the rocket h(t) after t seconds is given by the formula h(t)=80t-16^2. After how many seconds is the rocket 96 feet high This is what I started: h(t)=80-16^2 h(96)=80(96)-16(96)^2 Now I am lost???? Can you show me how to complete this problem? Thank you so Much! Click here to see answer by 303795(595)

 Question 64367: Simplify x^2 - 5x - 14 / x^2 + 2x - 3 DIVIDED BY x^2 - 3x - 28 / x^2 + 3x - 4 Click here to see answer by stanbon(57387)

 Question 64360: Can you help me solve this application? I'm trying to solve applications involving parabolas. The length of a rectangle is twice the width. The area is 16m^2. Find the length to the nearest hundredth of a meter. Thanks Liz Click here to see answer by ankor@dixie-net.com(15660)

 Question 64361: I need to graph the folliwing equations. Identify the vertex, intercepts and equation of the axis of symmetry. If a value is irrational , find a decimal approximation. y=x^2-5x+4 Click here to see answer by stanbon(57387)
 Question 64361: I need to graph the folliwing equations. Identify the vertex, intercepts and equation of the axis of symmetry. If a value is irrational , find a decimal approximation. y=x^2-5x+4 Click here to see answer by ankor@dixie-net.com(15660)

 Question 64385: I need to graph the following equations. Identify the vertex, interceps and equations of the axis. Thank You y=-x^2+2 Click here to see answer by stanbon(57387)

 Question 64397: Solve. x^2 – 6x – 7 = 0 Click here to see answer by chitra(359)

 Question 64414: Solve. x^2 + 5x + 6 = 0 Click here to see answer by ptaylor(2048)

 Question 64519: Write in Standard form. Find a: 3x2^ = 2x + 1 a) -3 b) 2 c) 1 d) 3 e) None of these Click here to see answer by stanbon(57387)

 Question 64540: Bryan Starr is a 17 year old high school senior from Upper Arlington, Ohio, who started his own lawn service when he was 12. His business has grown substantially and he has been able to put away money for college, buy a truck, and invest in a new lawn equipment to keep up with the growing demand for his services. Suppose his weekly revenue R can be represented by the formula R= -p[squared] + 50p-125, where p is the average price he charges for each lawn. a) Sketch a graph of the related function. Explain why it behaves like it does, considering Bryan's business. b) Explain how Bryan could earn \$400 each week. c) What price should he charge to earn the maximum revenue? What would be his revenue? d) Use the discriminant to find if there is a price he could charge that would make his weekly revenue \$600. Explain. Click here to see answer by stanbon(57387)
 Question 64540: Bryan Starr is a 17 year old high school senior from Upper Arlington, Ohio, who started his own lawn service when he was 12. His business has grown substantially and he has been able to put away money for college, buy a truck, and invest in a new lawn equipment to keep up with the growing demand for his services. Suppose his weekly revenue R can be represented by the formula R= -p[squared] + 50p-125, where p is the average price he charges for each lawn. a) Sketch a graph of the related function. Explain why it behaves like it does, considering Bryan's business. b) Explain how Bryan could earn \$400 each week. c) What price should he charge to earn the maximum revenue? What would be his revenue? d) Use the discriminant to find if there is a price he could charge that would make his weekly revenue \$600. Explain. Click here to see answer by josmiceli(9697)

 Question 64760: I am working with quadratic equations. Need to solve for the variable: 3x^2+3=7x. Your help would be tremendously appreciated. regards. Click here to see answer by stanbon(57387)

 Question 64772: in a graph of y=x^2+2x-9 - how would one find the vertex of this graph. Your help would be sincerely appreciated. Click here to see answer by stanbon(57387)

 Question 64777: For this question I'm suppose to complete the sqare and find the roots of the quadratic equation. Any help would be GREAT!!! x2 - 2/3x = 0 Click here to see answer by stanbon(57387)