# Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

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 Algebra: Polynomials, rational expressions and equations Solvers Lessons Answers archive Quiz In Depth

 Question 152428: Can someone please refresh my memory? I really need it Thanks Solve the following problems involving applications of polynomials. a. A photo is 3 inches longer that it is wide. A 2-inch border is placed around the photo making the total area of the photo and border 108 square inches. What are the dimensions of the photo? b. A rectangular parking lot is 100 ft longer than it is wide. Determine the dimensions of the parking lot if it measures 500 ft diagonally. c. Three consecutive odd integers are such that the square of the third is 264 more than the square of the second. Find the three integers. Click here to see answer by jojo14344(1512)

 Question 152481: How do you Divide this rational expression: x^2-9/4x+12(Divided by)x-3/6? I dont understannd this at all. Whats the answer? Click here to see answer by Earlsdon(6287)

 Question 152472: How do you multiply a rational expression like this one: 25-x^2/12*6/5-x? Whats the answer? Click here to see answer by oscargut(891)

 Question 152484: How do you DIVIDE this rational expression:x^2+13x+12/x+2(divided by)x+1. Click here to see answer by jim_thompson5910(28595)

 Question 152516: Can somebody please help me im stuck . Solve the following problems involving applications of polynomials. a. A photo is 3 inches longer that it is wide. A 2-inch border is placed around the photo making the total area of the photo and border 108 square inches. What are the dimensions of the photo? b. A rectangular parking lot is 100 ft longer than it is wide. Determine the dimensions of the parking lot if it measures 500 ft diagonally. c. Three consecutive odd integers are such that the square of the third is 264 more than the square of the second. Find the three integers. Click here to see answer by mangopeeler07(462)

 Question 152518: g(2+h)=x to the third the instructor gave us x=(2+h) and the answer 8+12h+6h suared+h to the third i haven't been able to get that as my answer. here's what I have done: g(2+h)=x to the third g=(2+h)to the third g=(2+h)(2+h)(2+h) g=4+2h+2h+hsquared(2+h) g=8+4h+4h+2h+2h+2hsquared+h to the third g=8+12h+2hsquared+h to the third Click here to see answer by Earlsdon(6287)

 Question 152517: g(2+h)=x to the third the instructor gave us x=(2+h) and the answer 8+12h+6h suared+h to the third i haven't been able to get that as my answer. here's what I have done: g(2+h)=x to the third g=(2+h)to the third g=(2+h)(2+h)(2+h) g=4+2h+2h+hsquared(2+h) g=8+4h+4h+2h+2h+2hsquared+h to the third g=8+12h+2hsquared+h to the third Click here to see answer by Fombitz(13828)

 Question 152553: A man who weighs 175 pounds on earth weigh 28 pounds on the moon. How much would his 30 pound dog weigh on the moon? Click here to see answer by jim_thompson5910(28595)
 Question 152553: A man who weighs 175 pounds on earth weigh 28 pounds on the moon. How much would his 30 pound dog weigh on the moon? Click here to see answer by Fombitz(13828)

 Question 152559: Give 3 sets of points that satisfy the equations: 2x+2y=4 and y=x^2-4 Click here to see answer by jim_thompson5910(28595)

 Question 152556: An express train and a a local train start out from the same point and travel in opposite directions. The express train travels twice as fast as the local train. If they are 480 miles apart, after 4 hours, what is the average speed of each train? Click here to see answer by mducky2(62)

 Question 152699: Please help me solve this problem A photo is 3 inches longer that it is wide. A 2- inch border is placed around the photo making the total area of the photo and border 108 square inches. What are the dimensions of the photo? Thank you Click here to see answer by 0193(5)

 Question 152700: Please help me with this word problem; Three consective odd integers are such that the square of the thrid is 264 more than the square of the second. Find the three integers. Thank you. Click here to see answer by jojo14344(1512)

 Question 152678: On five exams, Alex has scored 84, 86, 71, 91, and 98 points out of 100. He wants to earn at least a B in the course, which corresponds to an overall average grade of 82 or better. Out of 100 points, what is the minimum number of points Alex must earn on the final exam to achieve this goal? PLEASE HELP..I'M SO CONFUSING!!!! Click here to see answer by Fombitz(13828)
 Question 152678: On five exams, Alex has scored 84, 86, 71, 91, and 98 points out of 100. He wants to earn at least a B in the course, which corresponds to an overall average grade of 82 or better. Out of 100 points, what is the minimum number of points Alex must earn on the final exam to achieve this goal? PLEASE HELP..I'M SO CONFUSING!!!! Click here to see answer by neodudesam(4)

 Question 152680: On five exams, Alex has scored 84, 86, 71, 91, and 98 points out of 100. He wants to earn at least a B in the course, which corresponds to an overall average grade of 82 or better. Out of 100 points, what is the minimum number of points Alex must earn on the final exam to achieve this goal? PLEASE HELP..I'M SO CONFUSING!!!! Click here to see answer by Electrified_Levi(103)

 Question 152677: When Lee was 3 times as old as kevin. his sister Kate was 27. Kevin was half as old as Kate brother Lee was 38 there ages add to 143 how old are Kevin , Kate and Lee. Click here to see answer by ankor@dixie-net.com(15657)

 Question 152801: a man is 65 years old and his grandson is 20. how many years ago was the grandfather six times as old as the grandson? Click here to see answer by orca(409)

 Question 152802: the high school band has 12 more girls than boys. the band has a total of 106 students. how many girls are in the band? Click here to see answer by orca(409)

 Question 152824: solve for x: x^2 - 25/9 = 0 Click here to see answer by jojo14344(1512)