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 Question 213173: A boy can row a boat at a constant rate of 3mi/hr in still water. He rows up-stream for 20 minutes and then rows down-stream, returning to his starting point in another 15 minutes. Find the total distance traveled. Click here to see answer by stanbon(60771)

 Question 213324: Solve for x in terms of the other letters. 4x(to the fourth power)y(to the fourth power) + 2x(squared)y(squared) + .75= 0 Click here to see answer by Alan3354(34677)

 Question 213437: (x^2+7x)/2 =-3 I need help with this . Can someone please explain what to do for me using this example. I need to know the steps as well as how you got the answer. Thankyou for you time. Your are appreshated. Click here to see answer by drj(1380)

 Question 213438: (x^2⁄2)- 4 – 6x = - 4 I need help with this . Can someone please explain what to do for me using this example. I need to know the steps as well as how you got the answer. Thankyou for you time. Your are appreshated. Click here to see answer by stanbon(60771)
 Question 213438: (x^2⁄2)- 4 – 6x = - 4 I need help with this . Can someone please explain what to do for me using this example. I need to know the steps as well as how you got the answer. Thankyou for you time. Your are appreshated. Click here to see answer by drj(1380)

 Question 213436: Solve by factoring: 16x2 - 14x + 1 = -6x I need help with this . Can someone please explain what to do for me using this example. I need to know the steps as well as how you got the answer. Thankyou for you time. Your are appreshated. Click here to see answer by rapaljer(4670)

 Question 213435: Divide: (4 + 2i)/ (4 – 2i) I need help with this . Can someone please explain what to do for me using this example. I need to know the steps as well as how you got the answer. Thankyou for you time. Your are appreshated. Click here to see answer by stanbon(60771)
 Question 213435: Divide: (4 + 2i)/ (4 – 2i) I need help with this . Can someone please explain what to do for me using this example. I need to know the steps as well as how you got the answer. Thankyou for you time. Your are appreshated. Click here to see answer by drj(1380)

 Question 213434: Multiply: (1/7 – i)^2 I need help with this . Can someone please explain what to do for me using this example. I need to know the steps as well as how you got the answer. Thankyou for you time. Your are appreshated. Click here to see answer by stanbon(60771)

 Question 213552: how can i telln if a graph opens up or down by looking at the equation Click here to see answer by rapaljer(4670)
 Question 213552: how can i telln if a graph opens up or down by looking at the equation Click here to see answer by drj(1380)

 Question 213543: A box with an open top is to be constructed by cutting 3-inch squares from the corners of a rectangular sheet of tin whose length is twice its width. What size sheet will produce a box having a volume of 24in^3? Click here to see answer by checkley77(12569)

 Question 213520: a piece of wire 10 m long is to be cut into two pieces one of them is 2/3 as long as the other, how should the wire be cut ? Click here to see answer by checkley77(12569)

 Question 213547: A college student has finished 49 credit hours with a GPA of 2.5. To get into the program she wishes to enter, she must have a GPA of 3.3. How many additional credit hours of 4.0 work will raise her GPA to 3.3? Click here to see answer by ankor@dixie-net.com(16524)
 Question 213547: A college student has finished 49 credit hours with a GPA of 2.5. To get into the program she wishes to enter, she must have a GPA of 3.3. How many additional credit hours of 4.0 work will raise her GPA to 3.3? Click here to see answer by josmiceli(10616)

 Question 213788: I have a quadratic equation whos solution is 3+ 3 times radical 7i over six can this equation be reduced to 1+ radical 7i over two? Click here to see answer by tutor_paul(493)

 Question 213860: find the maximum or minimum and the value of x when it occurs using -b/2a (vertex) and then equation 10-10x-x^2 Click here to see answer by solver91311(18785)

 Question 213918: Solve by using the quadratic formula. (18/w^2) - (10/w) + 1 = 0 If your answer contains a radical, express it in simplified form. Do not convert to decimal form. Click here to see answer by drj(1380)

 Question 213950: Solve for T: {t-1}^2 = {2t^2-8t+6} ***I know that this can only have at most 2 answers because the degree of the polynomial is 2. I know that {t-1}^2 is {t-1}{t-1} and that 2t^2-8t+6 is simplified to 2{t^2-4t+3}. I have tried to simplify it more but keep getting stuck and I know that one of the answers for t=1, but I cant find the other! Any help would be appreciated! Click here to see answer by jim_thompson5910(29613)

 Question 214041: Catarina and Tom want to buy a rug for a room that is 10 by 19 feet. They want to leave an even strip of flooring uncovered around the edges of the room. How wide of a strip will they have if they buy a rug with an area of 52 square feet? (10-2x)(19-2x)=52 <====not sure if that's how i set it up Click here to see answer by scott8148(6628)

 Question 214441: a ball is kicked into the air and follows the path described by h(t)-4.9t^2+6t+0.6. where t is the time in seconds and h is the height in meters abouve the ground. Detrmine the maximum height of the ball to the nearest tenth of a meter. Click here to see answer by nerdybill(7090)
 Question 214441: a ball is kicked into the air and follows the path described by h(t)-4.9t^2+6t+0.6. where t is the time in seconds and h is the height in meters abouve the ground. Detrmine the maximum height of the ball to the nearest tenth of a meter. Click here to see answer by Earlsdon(6294)

 Question 214459: How do you find the x intercept and y intercept for quadratic functions and please give an example thank you monica Click here to see answer by stanbon(60771)

 Question 214480: Problem Solving Yesterday the temprature started at 3 degrees Celsius,increased 5 degrees Celsius and dropped 15 degrees Celsius by midnight.What was the temperature at midnight? PLEASE HELP ME I DONT GET IT!!!! Click here to see answer by rfer(13569)

 Question 214670: Trains a and b are traveling in the same direction on parallel tracks. Train A is traveling at 80mph...? B is at 88mpr. Train A passes a station at 8:20pm. If train B passes the same station at 8:50pm; at what time will train B catch up to train A? Click here to see answer by Alan3354(34677)
 Question 214670: Trains a and b are traveling in the same direction on parallel tracks. Train A is traveling at 80mph...? B is at 88mpr. Train A passes a station at 8:20pm. If train B passes the same station at 8:50pm; at what time will train B catch up to train A? Click here to see answer by Edwin McCravy(9717)

 Question 214695: Solve. Round results to the nearest thousandth. x2 + 8x - 33 = 0 Click here to see answer by stanbon(60771)

 Question 214152: 2 1/5 + 3 1/2 + 2 1/2x = 4 3/20 Click here to see answer by checkley77(12569)