Questions on Algebra: Real numbers, Irrational numbers, etc answered by real tutors!

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 Algebra: Real numbers, Irrational numbers, etc Solvers Lessons Answers archive Quiz In Depth

Tutors Answer Your Questions about real-numbers (FREE)

 Question 175544: What does the little number inside the "v" of the square root sign mean? I'm trying to help my son & don't remember ever learning that one. example: suare root of -8 with a little "3" in the "v" Thanks! Stephanie Click here to see answer by stanbon(57984)

 Question 175677: I need help with this question 1. the set of real numbers less than or equal to -4 2. consider the following nine interger -4, -3, -2, -1,0,1,2,3,4 which of these intergers has an absolute value greater than 1? Click here to see answer by Mathtut(3670)

 Question 175683: can someone please help me with this problem equivalent fraction 5= ? 7 98 Click here to see answer by jim_thompson5910(28717)

 Question 175712: How do you convert this problem fraction, decimals, and percent into two forms I tried to do it but can seem to get it right 19 20 9 -1 16 12 Click here to see answer by Mathtut(3670)

 Question 169416: choose values of x to show that 2x^2-32/x-4 cannot be simplified as 2x-8 Click here to see answer by EMStelley(187)

 Question 175856: Hey! For your effort to help students like me Multiply:(2x-3) (2x +3) Click here to see answer by Alan3354(31538)

 Question 175874: I really need help with these problems I have tried to do them myself but I can't seem to get them right please help. (a _ c)(a + c) 5, 3x _ 7 _ 2x+ 1 Click here to see answer by Alan3354(31538)

 Question 175876: I help in combing like terms with this problem 3r2 + 4r2 2a(a _ 5) + 4(a _ 5) Click here to see answer by jim_thompson5910(28717)

 Question 175897: I need help on how to do this problem y(y _ 5).(wy) using the commutative and associate properties of multiplcation. I need someone to show me please Click here to see answer by Alan3354(31538)

 Question 175972: I need help on how to do this problem y(y.5)(wy) and -3(6-p) using the commutative and associate properties of multiplcation. I need someone to show me please thank you Click here to see answer by Alan3354(31538)

 Question 157372: Please help me with this problem: 2^5 * 2^b+3 * 2^3-b Thanks a whole bunch! Click here to see answer by Alan3354(31538)

 Question 175981: I need help on how to do this problem y(yx5)(wy) using the commutative and associate properties of multiplcation. I need someone to show me please thank you Click here to see answer by Mathtut(3670)

 Question 176022: Can someone help me simplfly this problem thank you 1/4(6b+2)-2/3(3b-2) Click here to see answer by stanbon(57984)

 Question 176037: can someone help me with this word problem Melanie’s house is worth \$125,000, but she still owes \$78,422 on her mortgage. She has \$21,236 in a savings account and has \$9477 in credit card debt. She owes \$6131 to the credit union and figures that her cars and other household items are worth a total of \$15,000. What is Melanie’s net worth? Click here to see answer by josmiceli(9819)

 Question 176038: I need help with this word problem please A forensic scientist uses the expression 72.6 + 2.5T to estimate the height in centimeters of a female with a tibia of length T centimeters. If a female skeleton has a tibia of length 32.4 cm, then what was the height of the person? Find the length of your tibia in centimeters, and use the expression from this exercise or the previous exercise to estimate your height. Click here to see answer by Mathtut(3670)

 Question 175975: can someone show me how to simplify each expression for this problem 1(6b+2)-2(3b-2) 4 3 thank you Click here to see answer by Alan3354(31538)

 Question 176142: f(x)=4x+7 and g(x)=3x-5. Find (f o g)(-4) Click here to see answer by Fombitz(13828)

 Question 176250: I need help with solving these equations can someone please show me how to solve them thank you solving equations, 1. 7 - 3(5 - x) = 5(x - 4) 2. 1/3x - 3 = 1/2x Click here to see answer by EMStelley(187)
 Question 176250: I need help with solving these equations can someone please show me how to solve them thank you solving equations, 1. 7 - 3(5 - x) = 5(x - 4) 2. 1/3x - 3 = 1/2x Click here to see answer by MathTherapy(1484)

 Question 176681: h=16t+25 Click here to see answer by solver91311(17077)

 Question 176727: A train traveled m miles at a speed of s mph. A bus following the same route traveled 5 mph slower. How much longer did the bus take than the train to make this trip? Write the answer as a single rational expression. Click here to see answer by solver91311(17077)

 Question 176773: 5 spiders catch 5 flies every 5 minutes.How many spiders does it take to catch 100 flies in 100 minutes at the same rate? Please provide formula for finding out the answer. Click here to see answer by Mathtut(3670)

 Question 177088: can someone please help me solve this equation 1/3s+7/9=4/3s Click here to see answer by jim_thompson5910(28717)
 Question 177088: can someone please help me solve this equation 1/3s+7/9=4/3s Click here to see answer by stanbon(57984)

 Question 177092: can someone show me how to solve this word problem Finding MSRP. What was the MSRP for a Hummer H1 that sold for \$107,272 after an 8% discount Click here to see answer by nerdybill(7011)
 Question 177092: can someone show me how to solve this word problem Finding MSRP. What was the MSRP for a Hummer H1 that sold for \$107,272 after an 8% discount Click here to see answer by stanbon(57984)
 Question 177092: can someone show me how to solve this word problem Finding MSRP. What was the MSRP for a Hummer H1 that sold for \$107,272 after an 8% discount Click here to see answer by solver91311(17077)

 Question 177114: Write two irrational numbers between 2 and 3 Please send answer quickly.I will be grateful Click here to see answer by stanbon(57984)

 Question 177174: can someone please help me with this problem please Consecutive odd integers. Find two consecutive odd intergers whose sum is 56. Click here to see answer by colliefan(239)

 Question 177200: I need help solving this problem can someone show how it is done s=n(n+1)6(2n+1) Click here to see answer by stanbon(57984)

 Question 177274: Select any irrational number and turn into a rational number by using addition, subtraction, multiplication, or division. Help I am not understanding this......thank you for the help Click here to see answer by jim_thompson5910(28717)
 Question 177274: Select any irrational number and turn into a rational number by using addition, subtraction, multiplication, or division. Help I am not understanding this......thank you for the help Click here to see answer by stanbon(57984)

 Question 177337: can someone help me solve this linear equation problem please 3(x-0.87)-2x=4.98 Click here to see answer by gonzo(654)

 Question 177425: I am having trouble finding value of these problems, I have not been in a classroom for 22 years and only recently went back to school, I never learned this type of math!! I do get the general concept, but I am still struggling because we have to break down each problem and get a single diget or more with no fraction in the answer, here is an example of one that was done on the chalkboard: (7-3)+(2+5):7 (the : is divide) =4+7:7 =4+1 =5 (the answer) Click here to see answer by Mathtut(3670)

 Question 177432: is .37 repeating, rational or irrational Click here to see answer by Fombitz(13828)

 Question 177587: Select any irrational number, and turn it into a rational number by using addition, subtraction, multiplication, division, or exponentiation. Click here to see answer by Fombitz(13828)

 Question 177939: what is 7a > 49? Click here to see answer by edjones(7569)

 Question 178177: can someone please help me with this problem I tried to do it myself but keep getting it wrong. A repair bill on a yacht came to \$1,603 including \$532 for parts and the remainder for labor. If the cost of labor is \$63 per hour, how many hours of labor did it take to repair the yacht? Click here to see answer by stanbon(57984)

 Question 178180: can someone please show me how to solve this problem Find: 977 - 9(21 + 19) Click here to see answer by stanbon(57984)
 Question 178180: can someone please show me how to solve this problem Find: 977 - 9(21 + 19) Click here to see answer by Mathtut(3670)

 Question 178172: can someone please help me with this problem Find: 977 - 9(21 + 19) Solve the following equation: 3(2x - 4) = - (x + 19) Click here to see answer by Mathtut(3670)

 Question 178182: can someone please show me how to do this word problem Perimeter of a triangle. The perimeter of the triangle shown in the accompanying figure is 12 meters. Determine the values of x, x +1, and x +2 by solving the equation x+(x+1)+(x+2)=12 Click here to see answer by stanbon(57984)

 Question 178203: can someone please show me how to solve this problem Solve for y: 2y-3 +y-3 =y+5-1 _____ ____ ________ 9 2 6 Click here to see answer by stanbon(57984)

 Question 178236: please help me solve this word problem World grain demand. 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 world grain demand. What will world grain demand be in 2010? Click here to see answer by stanbon(57984)

 Question 178238: please help me solve this problem, I have tried to do it myself, but keep getting the wrong answer. Gwen sold her car on consignment for x dollars. The saleswoman’s commission was 10% of the selling price and Gwen received \$6570. Click here to see answer by stanbon(57984)

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