# Questions on Algebra: Numeric Fractions answered by real tutors!

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 Algebra: Numeric Fractions Solvers Lessons Answers archive Quiz In Depth

 Question 476630: "if (2^k)-1 is a prime number then, prove that (2^(k-1))(2^k-1)is a perfect number." (i know it is the definition but i want proof) Click here to see answer by MathLover1(6627)

 Question 476628: prove that a perfact number can be written as a sum of (2^n)-1 consicutive numbers for some n.(please give me the proof) Click here to see answer by richard1234(5390)

 Question 477389: The rotation of the smaller wheel on the figure causes the larger wheel to rotate. Through how many degrees will the larger wheel rotate if the smaller wheel rotates through 90 degrees? Smaller wheel - 2cm Larger wheel - 6cm Click here to see answer by robertb(4012)

 Question 477826: How do I work out this problem 1/2+(2/3 / 3/4)-(4/5*5/6)=5/6 Click here to see answer by Alan3354(30993)

 Question 478157: It's all about polynomials Define the following : 1. 4x cube root + 7x + 24 divide 2x+3 2. x cube root + 6x square + 5x - 12 divide x + 4 3. 6xcube root - x square y - 18y cube root divide 2x - 3y 4. x to the fourth power - x square - 8x square + 8 divide x square + x -2 5. -27c to the fifth power d to the sixth power e to the eigth power divide ec square de to the fifth power can you pls answer this coz thaat's my assignment for tomorrow ! thaanks and GODBLESS! Click here to see answer by Alan3354(30993)

 Question 478280: Simplify (fraction) 0 over -53? Or, is it undefined? Click here to see answer by cleomenius(959)
 Question 478280: Simplify (fraction) 0 over -53? Or, is it undefined? Click here to see answer by stanbon(57314)

 Question 478281: Divide if possible, the fraction -7 over 23 divided by ( -6 over 23). Simplify answer, type an integar or fraction, or, is it undefined? Click here to see answer by stanbon(57314)

 Question 478625: Perform indicated operation (fractions) 5m/n divided by 2/3 show work ______________________________________________ indicated operation as fraction in lowest terms 5/8 - 3/6 __________________________________________________ Showing work. Order the following from least to greatest - 7/8 - 5/6 6 8 -5 Please.... need help Thank you! Click here to see answer by MathLover1(6627)

 Question 478643: 6 2/5 - 4 7/10 in lowest terms Click here to see answer by rfer(12657)

 Question 479363: what is the difference of - 5 over 3 and 1/2? Click here to see answer by rfer(12657)

 Question 479490: Exactly how many cubic inches of air can a fully inflated basketball hold if its radius is 4.8 inches? Include correct units with your solution. Use "pi" in place of the pi symbol. Click here to see answer by Alan3354(30993)

 Question 479491: Find the exact value of the volume of a can of sauerkraut with a diameter 12 centimeters and height of 6 centimeters. Include correct units with your solution. Use "pi" in place of the pi symbol. Click here to see answer by Alan3354(30993)

 Question 479515: from the collection of lotus flowers, 1/3rd offered to shiva, 1/5th to vishnu, 1/6th to the sun and 1/4th to the saraswati.then,there were 6 remaining.Find the toal number of lotus flowers. Click here to see answer by stanbon(57314)

 Question 479514: if a,b,c and d are in set of natural numbers(N) with a=bcd, b=cda and d=abc then,what is the value of (a+b+c+d)^2 ? Click here to see answer by ikleyn(4)

 Question 479507: if p-n^2=x and (n+1)^2-p=y then,prove that p-xy is a perfect square. Click here to see answer by robertb(4012)

 Question 479675: How do you solve the equation 5 1/9-2/3? I found the common denominator to be 9. So I came up with 5 5/9-6/9. But none of the answers I came up with matched the answers they had. Click here to see answer by Alan3354(30993)

 Question 479691: HELP ME SOLVE THESE I'M TRYING TO TEACH MYSELF ALGEBRA FOR TO RETAKE THE COMPASS TEST, THANKS (a)8+(-5) (b)(-17)+(-12) (C) -9+7 (d) -9-(-12) (e) 23-(-13) (f) -18-(32) (g) (-7)(-12) (h) (-12)(8) (i) (8)(-9) (-48)+6 IF U CAN SHOW ME SOME FRACTION THAT WILL BE NICE, THANKS Click here to see answer by Alan3354(30993)

 Question 479651: Evaluate 11c9 (Points : 2) 2 110 99 55 Click here to see answer by Tatiana_Stebko(1326)

 Question 479757: what is 7/25 as a percent? Thanks i forgot. Click here to see answer by cleomenius(959)

 Question 480092: 1/4th of the elephants are in woods and double of the square root of total numbers is at the mountain bed.the remaining 15 are at the river bank.Find the total number of elephants. Click here to see answer by stanbon(57314)

 Question 480214: Anita is painting a wall in her room. In the morninig, she painted 4/18 of the wall. In the afternoon she painted 5/18 of the wall. How much of the wall has she painted altogether. I have to show my work and explain what i did Click here to see answer by MathLover1(6627)

 Question 480526: 1 (2 3) (4 5) 2+ 3÷4 5 ×6 = ? Click here to see answer by Alan3354(30993)

 Question 480587: perform the indicated operation and if possible, simplify. Please show all your work. Write answer exactly as a fraction in lowest term 60/114 - 39/114 Click here to see answer by Alan3354(30993)

 Question 480589: write a true sentence using either < or> -17.33__-17.333 Click here to see answer by MathLover1(6627)

 Question 480746: Factor completely 5v2-30v+40 Solve a+8/4=7+2/3 The whole thing is divided do not know how to show on this page Click here to see answer by mananth(12270)

 Question 480224: the track at the stadium is 400 meters around. if Marshal ran around the track 3 and 1/2 times, how far did Marshal run? i must show my work Click here to see answer by failedalgebra19yearsago(1)

 Question 481205: 8/x +24, given that x=-5 8/-5 + 24 = 22.4 the answer is 22.4 in the back of the book. How do I deal with the fraction with a negative bottom? Thanks for your help. Click here to see answer by rfer(12657)

 Question 481300: How do i wright 5/6 -5/9 as a fraction in simplest form? Click here to see answer by rfer(12657)

 Question 482221: 3 5/9 + 5 1/2 + 2 2/3 write the sum as a fraction, whole numbers, or mixed number in lowest terms. Click here to see answer by Edwin McCravy(8908)

 Question 482497: I am trying to find the answer for the following problem: 8 2/5 minus 3 2/3 what would be the common demon.?? Click here to see answer by Alan3354(30993)

 Question 482522: Can the word "STONE" be played from the letters A, E, O, N, R, S, T as the first move in a Scrabble game? Explain your answer. Click here to see answer by richard1234(5390)

 Question 482529: A survey of vegetable gardeners showed the following: 69 grew tomatoes 18 grew both tomatoes and cucumbers 25 grew cucumbers 21 grew both tomatoes and zucchini 30 grew zucchini 14 grew both cucumbers and zucchini 12 grew all three types 12 grew none of these three Create a Venn diagram to reflect the above data, label your diagram clearly and submit to the Dropbox. Use your diagram to answer the following questions here. (a) How many grew only cucumbers? (b) How many grew both cucumbers and tomatoes, but not zucchini? (c) How many grew only tomatoes? (d) How many grew none of these three or only zucchini? (e) How many vegetable gardeners were surveyed? (Points : 7) Click here to see answer by mananth(12270)

 Question 483147: What is the rational expression for this problem? Find all numbers for which the rational expression is undefined -7/20x Click here to see answer by stanbon(57314)

 Question 483146: What is the rational expression for this problem? Find all numbers for which the rational expression is -7/20x Click here to see answer by stanbon(57314)