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 Question 273231: Is theI tried solving this problem: p^2 + 8p + 16 = 0 using the quadratic formula and got -4 for the answer. My teacher mark the problem wrong. Can you help me solve it Click here to see answer by CharlesG2(828)

 Question 273268: Can someone please help me with this problem? Multiply: 3y^2+13y+14 divided by y^2+3y+2 * 2y^2-3y-2 divided by 3y^2+22y+35 This is what I came up with. Is this correct? (y+2)(3y+7)divided by (y+2)(y+1) * (y-2)(2y+1) divided by (3y+7)(y+5) equals to (y-2)(2y+1) divided by (y+1)(y+5) Click here to see answer by stanbon(57323)

 Question 273284: Solve the equation and check your solutions. (x-1)(x^2+10x+24)=0 This is what I have tried x-1=0 x=1 x^2+10x+24=0 x^2 +10x-6-4 Click here to see answer by jim_thompson5910(28593)

 Question 273349: Analyzing the motion of a projectile. A projectile is fired from a cliff 200 feet above the water at an inclination of 45 degrees to the horizontal, with a muzzle velocity of 50 feet per second. The height h of the projectile above the water is given by h (x)= -32 x^2/ (50)^2 + x+ 200 When the height of the projectile is 100 feet above the water, how far is it from the cliff? Click here to see answer by Alan3354(30993)

 Question 273618: A rectangle has length 6cm greater than its width. Find its width given that its area is 91cm^2 Click here to see answer by bobdabuildr(27)

 Question 273743: The equation is c^2-5c = 0. I've tried to solve using c^2-5c+0 and by factoring out the "c" using c-5=0, but can't seem to get the correct answer. Thanks for your help!! Click here to see answer by jim_thompson5910(28593)
 Question 273743: The equation is c^2-5c = 0. I've tried to solve using c^2-5c+0 and by factoring out the "c" using c-5=0, but can't seem to get the correct answer. Thanks for your help!! Click here to see answer by solver91311(16877)

 Question 273955: please help me solve this word problem: two pipes working together drain a water holding tank in 6 hours. if used alone to empty the tank, one takes 2 hours longer than the other. how long does each take to empty the tank if used alone? Click here to see answer by ankor@dixie-net.com(15649)

 Question 270064: Solve the equation for x. 5x - 3 = 4 - 3x Click here to see answer by richwmiller(9135)

 Question 270067: Combine like terms where possible. 8y^4 - 3y^4 Click here to see answer by richwmiller(9135)

 Question 274307: write the equation y=a(x-h)^2+k with the given. with a y-intercept 10, x-intercept 2, and equation of axis x-3=0 Click here to see answer by stanbon(57323)
 Question 274307: write the equation y=a(x-h)^2+k with the given. with a y-intercept 10, x-intercept 2, and equation of axis x-3=0 Click here to see answer by solver91311(16877)

 Question 274322: The roots of the equation 2x squared-10x+8=0 represent the dimension of the rectangle. what is the area of the rectangle Click here to see answer by jim_thompson5910(28593)

 Question 274169: Please help! I am confused on how to work this problem. Give the equation of a line perpendicular to the line y = -8x + 8 having the y-intercept 2 units below the y-intercept of the given equation. At what point the two equations cross each other? Click here to see answer by ankor@dixie-net.com(15649)

 Question 274459: the discriminant of a quadratic equation is 35, are the roots 1. equal, 2. rational, 3. imaginary ? thank you Click here to see answer by scott8148(6628)

 Question 274541: A pool can be filled in 12 hours if water enters through a pipe alone or in 30 hours if water enters through a hose alone. If water is entering through the pipe and the hose, how long will it take to fill the pool? Click here to see answer by richwmiller(9135)

 Question 274540: Able Movers charges \$85 plus \$40 per hour to move households across town. Their competitor charges \$60 per hour for the same move across town. For what length of time is their competitor more expensive? Click here to see answer by richwmiller(9135)

 Question 274543: Determine the values of x for which the following expression will be undefined (i.e., the result is division by zero) 5/3x^2-75 Click here to see answer by Theo(3459)

 Question 274505: The squares of three consecutive odd numbers total 8 more than nine times the sum of the three numbers. Find the numbers? Click here to see answer by checkley77(12569)

 Question 274717: solve the equation by completing the square x2+3x-9=0. Click here to see answer by stanbon(57323)

 Question 274639: A bridge is built in the shape of a parabolic arch. The bridge has a span of 50 metres and a maximum height of 40 metres. Find the height of the arch 10 metres from the center. Please & Thank you, i can't even begin to think about how to answer this question. Click here to see answer by ankor@dixie-net.com(15649)

 Question 274883: My son has 2 problems. (1) A boy is mowing a field 40 rods and 20 rods rectangular. How wide a border must he cut in order that 3/4 of the mowing will have been completed? (2) Solve for x and y. 3X + 8y=-5 and x^2- 2XY=12. Thank you. Click here to see answer by ankor@dixie-net.com(15649)

 Question 274917: Maximizing Revenue: A large hotel is condidering giving the following froup discount on room rates: the regular price of \$120 decreases by \$2 for each room rented. For example, one room costs \$118, two rooms cost \$116 x 2=\$232, three rooms cost \$114 x 3=\$342 and so on. a)Write a formula for a function R that gives the revenue for renting x rooms. b)Sketch a graph of R. What is a reasonable domain? c)Determine the maximum revenue and the corresponding number of rooms rented. Click here to see answer by ankor@dixie-net.com(15649)

 Question 275248: Can someone explain how to solve the following problem? 2x^2 + 1 = 5x Click here to see answer by jim_thompson5910(28593)