# Questions on Algebra: Radicals -- complicated equations involving roots answered by real tutors!

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 Question 388417: You and a friend go biking. You bike 12 miles north and 2 miles east. What is the straight-line distance from your starting point? Round answer to the nearest hundredths. Click here to see answer by Alan3354(34674)

 Question 388398: how to solve 7th root of 30 manually or on simple calculator Click here to see answer by jsmallt9(3437)

 Question 388243: Rationalize the denominators. assuming all expressions under rationals represents positive numbers. √3:(y^4)/√6:(x^4) Click here to see answer by Fombitz(13828)

 Question 388446: RATIONALIZE THE DENOMINATORS. ASSUME ALL EXPRESSIONS UNDER THE RADICALS ARE POSITIVE NUMBERS. 4-X(SQRT)/ 2 + x (SQRT). Click here to see answer by Fombitz(13828)

 Question 388676: Can you help me to solve this problem? The height of a projectile fired upward is given by the formula , where is the height in feet, is the initial velocity, and is the time in seconds. Find the time for a projectile to reach a height 64 ft if it has an initial velocity of 128 ft/s. Round to the nearest hundredth of a second. This is from: Intermediate Algebra. By Richard N. Aufmann Click here to see answer by jim_thompson5910(29613)

 Question 388732: Can you please help me i am doing radicals and square roots. i am having so much problems. Here are the problems: 1.)square root of 128y^4 fraction bar 64^2 2.)square root of 64x^2, 21y^3, 72z^2 Thank you very much Click here to see answer by Alan3354(34674)
 Question 388732: Can you please help me i am doing radicals and square roots. i am having so much problems. Here are the problems: 1.)square root of 128y^4 fraction bar 64^2 2.)square root of 64x^2, 21y^3, 72z^2 Thank you very much Click here to see answer by josmiceli(10616)

 Question 387369: x to 5th power - y to fifth power = ? Click here to see answer by Alan3354(34674)

 Question 389389: Rationalize the denominator. 15 and 2 squared / 2 and 5 SQUARED. Click here to see answer by Alan3354(34674)

 Question 389612: Use the quadratic formula to solve the equations: 0 = x^2 + x - 20 0 = x^2 - 5x + 6 Click here to see answer by Edwin McCravy(9716)
 Question 389612: Use the quadratic formula to solve the equations: 0 = x^2 + x - 20 0 = x^2 - 5x + 6 Click here to see answer by Earlsdon(6294)

 Question 389607: estimate the roots of the equation: y = x^2 - 4 Click here to see answer by ewatrrr(11148)

 Question 389606: estimate the roots of the equation: y = x^2 - 2x - 8 Click here to see answer by ewatrrr(11148)

 Question 389605: estimate the roots of the equation: y = x^2 - 2x - 8 Click here to see answer by ewatrrr(11148)

 Question 389611: Use the quadratic formula to solve the equations: 0 = x2 + x - 20 0 = x2 - 5x + 6 Click here to see answer by ewatrrr(11148)

 Question 389613: Find the x-intercepts of the graph of the equations: y = x^2 - 3x + 2 y = x^2 - 1 Click here to see answer by ewatrrr(11148)

 Question 389559: How do I simplify this radical expression? There is an exponent of 3 in the front part of the radical symbol and a -64 on the inside of the radical symbol Click here to see answer by lwsshak3(7677)

 Question 389610: The revenue from selling x units of a product is given by y = -0.0002x^2 + 20x. How many units must be sold in order to have the greatest revenue? (Find the x-coordinate of the vertex of the parabola.) Click here to see answer by haileytucki(390)

 Question 389683: hey i need some help , i forgot kinda alegbra im very good at it . i took a placement test and failed bad because i couldnt remember how to do it can you please help me Click here to see answer by rfer(13569)

 Question 389937: What is the reciprical of 3-square root of 5? Click here to see answer by josmiceli(10616)

 Question 389975: a light year is 5.9X10 to the 12 power miles. a mile is 1.609x10 to the 3 power meters. in scientific notation, how many meters are in a light year Click here to see answer by Alan3354(34674)

 Question 390071: If one root of the equation ... 2x^2+10x+k=0 is -2, find K and the other root? Click here to see answer by robertb(4012)
 Question 390071: If one root of the equation ... 2x^2+10x+k=0 is -2, find K and the other root? Click here to see answer by ewatrrr(11148)

 Question 390311: I think this is the right group. I need help solving what 18 miles and 18 miles and 18 yards would be as a ratio. Also, it has to be all in miles Click here to see answer by richard1234(5390)

 Question 390479: 2 square root of a minus 1 is equals to 4a Click here to see answer by haileytucki(390)
 Question 390479: 2 square root of a minus 1 is equals to 4a Click here to see answer by richard1234(5390)