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 Question 307264: What does it mean to refer to a 20-in TV set or a 25-in TV set? Such units refer to the diagonal of the screen. A 10-in TV set also has a width of 8-in. What is its height? Click here to see answer by checkley77(12569)

 Question 307265: Find all numbers for which the rational expression is undefined. p^3 - 9p/p^2 -81 Click here to see answer by rapaljer(4667)

 Question 307539: A car rental co. charges a daily fee plus a mileage fee. Joe was charged \$429 for 5 days and 300 km., while Mary was charged 315 for 3 days and 500 km. What does the car rental co. charge per day and per kilometre ? Thanx for your help. Click here to see answer by checkley77(12569)

 Question 307607: What is the slope of x^2-9=0, x^2+5=0, 4x^2=0, 2x^2-8=0, x^2+16=0, x^2+7=7, Click here to see answer by Alan3354(31518)

 Question 307826: Find the roots of each quadratic equation without making a table or a graph. y=x^2+4x-5 Click here to see answer by scott8148(6628)

 Question 307814: what is the intersection points of y= x^3-3x^2+x and y=x^2-3x my concern is inputing x^3 into the quadratic equation Click here to see answer by scott8148(6628)

 Question 307877: By how much does the sum of the roots of the equation ( x + 1) (x - 3) = 0 exceed the product of its roots? Click here to see answer by mananth(12270)

 Question 308022: what is the maximum or minimum value of the quardratic function ? f(x)=3x^2+12x+8 a. -28 b. -4 c. -2 d. 44 tthanks! Click here to see answer by Fombitz(13828)
 Question 308022: what is the maximum or minimum value of the quardratic function ? f(x)=3x^2+12x+8 a. -28 b. -4 c. -2 d. 44 tthanks! Click here to see answer by rapaljer(4667)

 Question 308176: simplest radical form 1) a=-2 b=8 c=5 2)a=4 b=2 c=-5 3)a=4 b=-10 c=5 4)a=3/2 b=1/3 c=2/3 5)a=4 b=-.6 c=-.5 Click here to see answer by Alan3354(31518)

 Question 308194: The directions are: Factor each polynomial, if possible. If the polynomial cannot be factored using intergers, write prime. The problem is: 12q^2+34q-28 Click here to see answer by edjones(7569)

 Question 308296: It takes Meihua two hours more to complete a 50-km journey than it takes Ailin to complete a 40-km journey.If the average speed of Meihua for the journey is 5 km/h less than ailin, calculate the average speed for each girl. Click here to see answer by mananth(12270)

 Question 308334: If one solution to the equation x^2 – 3x + k = 0 is 4, then what is the other solution? a) -4 b) -1 c) 1 d) 4 e) cannot be determined from the information given Click here to see answer by rapaljer(4667)

 Question 308327: Find the product of the solutions of this equation 15x^2+23x-41=0 Click here to see answer by Fombitz(13828)

 Question 308326: Find the sum of the solutions of this equation 5x^2+3x+8=0 Click here to see answer by Fombitz(13828)

 Question 308383: how do i solve 12 x ² +19 x=21 by completing the square and using the formula a(x-h)²+k Click here to see answer by Fombitz(13828)
 Question 308383: how do i solve 12 x ² +19 x=21 by completing the square and using the formula a(x-h)²+k Click here to see answer by CharlesG2(828)

 Question 308428: Write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard from; ax^2+bx+c=0, Solution: 5, only solution. Thanks! Click here to see answer by rapaljer(4667)

 Question 308520: I am trying to solve the following: x2 -4x -3 = 0. I can get as far as 4 plus or minus the sqrt of 28 over 2. I don't understand why this becomes 2 plus or minus the sqrt of 7. It seems to me that it should be 2 plus or minus the sqrt of 14. Thanks. Marieann Click here to see answer by ankor@dixie-net.com(15746)
 Question 308520: I am trying to solve the following: x2 -4x -3 = 0. I can get as far as 4 plus or minus the sqrt of 28 over 2. I don't understand why this becomes 2 plus or minus the sqrt of 7. It seems to me that it should be 2 plus or minus the sqrt of 14. Thanks. Marieann Click here to see answer by stanbon(57967)
 Question 308520: I am trying to solve the following: x2 -4x -3 = 0. I can get as far as 4 plus or minus the sqrt of 28 over 2. I don't understand why this becomes 2 plus or minus the sqrt of 7. It seems to me that it should be 2 plus or minus the sqrt of 14. Thanks. Marieann Click here to see answer by mananth(12270)

 Question 308793: Solve this quadratic equation using the quadratic formula. x2 - 6x + 6 = 0 2x2 - 2x = 1 3x2 + 5x + 1 = 0 Click here to see answer by solver91311(17077)

 Question 308861: How much water must be added to dilute 10 quarts of a solution that is 18% iodine so that the resulting solution will be 15% iodine? Click here to see answer by stanbon(57967)

 Question 308764: One of the roots of the cubic equation x^3-4x^2+2x+4=0 is A. 1+ the square root of 3 B. -1+ the square root of 3 C. -1+2 the square root of 3 D. 1+2 the square root of 3 Click here to see answer by stanbon(57967)

 Question 308887: 600,000An automobile dealer has 600,000\$ invested in compact cars & mid sized cars....The profit on the sale of the compact cars is 1% and the profit on the mid sized cars is 16%....how much did the dealer invest in midsized cars if the overall profit on the total investement is 12% Click here to see answer by checkley77(12569)

 Question 308886: assume that i sell 66 sandwiches when selling them for \$1. if i lose 5 customers each time i raise the price \$.25, what is the price that will produce the higherst amount of sales? what is the amount of money i will bring in? solve using quadratics. Click here to see answer by ankor@dixie-net.com(15746)