# 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 83123: 12w^2+19w+4 rewrite the middle terms as the sum of two terms then factor completly. Click here to see answer by checkley75(3666)

 Question 83125: the volume of a box is represented by (x^2+5x+6)(x+5). Find the polynomial that represents the area of the bottom of the box. The right side of the box says x+2 if that helps any Click here to see answer by Mona27(45)

 Question 83132: A plane flies 720 mi against a steady 30 mi.h headwind and then returns to the same point with the wind. If the entire trip takes 10 hr what is the planes speed in still air? Click here to see answer by jim_thompson5910(28595)

 Question 83130: A passanger train can travel 325 mi in the same time a freight train takes to travek 200 mi. If the speed of the passanger train is 25 mi.h faster then the speed of the freight train, find the speed of each. Click here to see answer by checkley75(3666)

 Question 83129: If one half of one integer is subtracted from three-fifths of the next consecutive integer, the difference is 3. What are the two integers? Click here to see answer by checkley75(3666)

 Question 83074: Simplify: x - x+4/x-3 over x+4/x-3 + 3 Click here to see answer by Abcmath(2)

 Question 83223: I am supposed to remove the parentheses and simplify the following polynomial: 8d-(-7c-2d) Click here to see answer by checkley75(3666)

 Question 83225: How do I add the following polynomials using the vertical method: 5x^2+2x-4, x^2-2x-3, and 2x^2-4x-3? Click here to see answer by jim_thompson5910(28595)

 Question 83220: Perform the indicated calculations. Write result in scientific notation. (6X10^2)(3.2X10^8)/(1.6X10^7)(3X10^2) Click here to see answer by checkley75(3666)

 Question 83230: I just need this multiplied and simplified. The hashed line is supposed to be a solid line. (4c² - 100)(16c + 48) ---------------------- (8c² - 72) (2c – 10) Click here to see answer by Edwin McCravy(8909)
 Question 83230: I just need this multiplied and simplified. The hashed line is supposed to be a solid line. (4c² - 100)(16c + 48) ---------------------- (8c² - 72) (2c – 10) Click here to see answer by checkley75(3666)

 Question 83262: Hi! Please Help! How do I turn this into an algebra problem??? Two copy machines are available to print documents. The newer copy machine can do my set of documents in 15 minutes. If both machines print at the same time, they can do this set of documents in 12 minutes. How long would it take the older copy machine to do my documents? Thank you. Click here to see answer by ptaylor(2048)

 Question 83266: The combined resistance of two resistors R1 and R2 in a parallel circuit is given by the formula RT is lowered = 1 over 1 over R 1 (one is lowered) plus 1 over R2(two is lowered) simply the formula Click here to see answer by bucky(2189)

 Question 83280: hi i am confused on the subtracting of polynomials (5x^5-5x^4-3x^3-5)-(9x^5-3x^4+7x^3-7) the book does not give enough explanation thanks a lot Click here to see answer by stanbon(57347)

 Question 83284: How do I turn this into an algebra equation? In a bag of mixed vegetables, the ratio of peas to carrots is 7 to 2. How many pieces of each vegetable are in a bag if there is a total of 801 pieces in the bag? peas 623 carrots 178 Click here to see answer by stanbon(57347)
 Question 83284: How do I turn this into an algebra equation? In a bag of mixed vegetables, the ratio of peas to carrots is 7 to 2. How many pieces of each vegetable are in a bag if there is a total of 801 pieces in the bag? peas 623 carrots 178 Click here to see answer by 031181(1)

 Question 83301: For the function, y = __1__ x – 1 Give the y values for x = -1, 0, 1, 2, 3, 4 I take it the x values are listed above? Click here to see answer by funmath(2925)

 Question 83312: could you help me with this problem? scientific notation 56.8 x 10^4 divided by 8 x 10^2thanks a lot Click here to see answer by checkley75(3666)

 Question 83422: Find a value for k so that 9m ^2 - kn^2 will have the factors 3m+7n and 3m-7n Click here to see answer by jim_thompson5910(28595)

 Question 83423: Solve by first eliminating the decimal number 0.5b+3.4=0.2b+12.4 Click here to see answer by uma(370)
 Question 83423: Solve by first eliminating the decimal number 0.5b+3.4=0.2b+12.4 Click here to see answer by stanbon(57347)

 Question 83420: Freeport McMoran projects that in 2010 world grain supply will be 1.8 trillion metric tons and the supply will be only 3/4 of the world grain demand. What will world grain demand be in 2010? Click here to see answer by rapaljer(4667)
 Question 83420: Freeport McMoran projects that in 2010 world grain supply will be 1.8 trillion metric tons and the supply will be only 3/4 of the world grain demand. What will world grain demand be in 2010? Click here to see answer by stanbon(57347)
 Question 83420: Freeport McMoran projects that in 2010 world grain supply will be 1.8 trillion metric tons and the supply will be only 3/4 of the world grain demand. What will world grain demand be in 2010? Click here to see answer by uma(370)

 Question 83421: find the perimeter of the given square top is x over -2x5 and right side is 8 over 2x-5 Click here to see answer by rapaljer(4667)

 Question 83407: how do i simplyfy this expression? (-5x^5(5x^-8) that is negatiave five x to the power of 5 multiplied by 5x to the power of negative 8 thank you Click here to see answer by rapaljer(4667)

 Question 83445: perform the indicated division. rationalize the denominator if necessary then simplify each radical expression 6-square root of 20 over 2 Click here to see answer by uma(370)