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 Question 208257: Hi, I am wondering if I could get some help with this question?? Solve for r r^2 + 3r=3 Thank you very much!! Click here to see answer by solver91311(16868)

 Question 208402: Find an equation for the points (1,1) (2,3) (3,6) and (4, 10). Click here to see answer by stanbon(57203)
 Question 208402: Find an equation for the points (1,1) (2,3) (3,6) and (4, 10). Click here to see answer by Edwin McCravy(8879)
 Question 208402: Find an equation for the points (1,1) (2,3) (3,6) and (4, 10). Click here to see answer by jsmallt9(3296)

 Question 208450: I would just like to ask why do we need to extract square root in solving for the value of the variable? Click here to see answer by stanbon(57203)

 Question 208565: Please help me solve The hint tells me to type a simplified fraction. Type exact answers, using radicals as needed. Rationalize all denominators. Express complex numbers in terms of i. Use commas to separate as needed. Then I need to find the x-intercepts of Thank you so much Missy Click here to see answer by stanbon(57203)

 Question 208967: Hi all, I was hoping someone could show me how to solve the following quadratic equation: I need to solve for t 0 = 3t^2 + 4t - 24 Help with full working and steps with notes would be most appreciated. -nick. Click here to see answer by Edwin McCravy(8879)

 Question 209090: 11. At t=0 seconds, Vikki stood on the roof of a building and threw a penny in the air. The height in feet h(t) of the ball at t seconds is given by the formula H(t) = -16t2 + 96t +56 a) How tall is the building (hint: t=0) b) When is the ball at its highest point? c) To what height does the ball travel? d) When does the ball strike the ground? Click here to see answer by Alan3354(30924)

 Question 209093: m4-13m2+36=0 hint x=m2 Im confused and need help Click here to see answer by RAY100(1637)

 Question 209135: Solve 9x^4-21x^2+10 = 0 Give an exact answer, using radicals as needed. I think to start this problem off I need to factor but I'm not sure how to do that on this equation. Please help. Click here to see answer by scott8148(6628)

 Question 209264: Hi I need help solving this problem in College Algebra B. I have this on my test and need to know how to work it out. So Please show me the steps as wll as the snswers. I am so lost on this I don't know were to being. Simplify; express answer with only positive exponents. (x-^3y^3)/(3y^-3)^2 Click here to see answer by Alan3354(30924)
 Question 209264: Hi I need help solving this problem in College Algebra B. I have this on my test and need to know how to work it out. So Please show me the steps as wll as the snswers. I am so lost on this I don't know were to being. Simplify; express answer with only positive exponents. (x-^3y^3)/(3y^-3)^2 Click here to see answer by MathTherapy(1419)

 Question 209416: solve by completing square 4 x^2 - 8x - 2 = 0 Click here to see answer by Earlsdon(6287)
 Question 209416: solve by completing square 4 x^2 - 8x - 2 = 0 Click here to see answer by RAY100(1637)

 Question 209449: If a penny is thrown downward at 30 ft/sec from the bridge at Royal Gorge, Colorado, how long does it take to reach the Arkansas River 1000 ft below? It says to use the quadratic equation. x^2-〖30〗^2=〖1000〗^2 I have work started but it's not pasting into here. It's from my online textbook, I cannot find the ISBN. Click here to see answer by Alan3354(30924)

 Question 209451: Harry and Gary are traveling to Nashville to make their fortunes. Harry leaves on the train at 8:00 A.M. and Gary travels by car, starting at 9:00 A.M. To complete the 300-mile trip and arrive at the same time as Harry, Gary travels 10 miles per hour (mph) faster than the train. At what time will they both arrive in Nashville? I am supposed to use the quadratic equation, but this is all I have come up with. 300/8x=300/(9x+10) Click here to see answer by stanbon(57203)

 Question 209463: I need help sovling this problem. I need steps in words as well as the math. Please help I nee to know how to do this. (81a^12 b^16)^-1/2 Click here to see answer by stanbon(57203)

 Question 209498: write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form, ax^2+bx+c=0. Solution:9, only solution Click here to see answer by stanbon(57203)