1. math

    x+4/2 - x-1/5 + 2x+5/10 another is 3b/7a - a/2b + 3a^2-2b^2/14ab another is 2x-y/3x+y + 5x/2y this is an rational algebraic expression my topic is all about sums and differences of rational algebraic expression please answer this please HELP ME!
  2. math

    can you answer this please about sums and differences of a rational algebraic expression this is the problem 5/x-7 - x-1/x-7 - 2+x/x-7 another is x+1/2 - x-2/3 + 2x-1/9 another is 2x+3/3 - 3x-1/2 + x-4/12
  3. math

    please can you answer this is all about sums and differences of rational algebraic expression...please i need it please ?this is the problem....3/5+4/5=? another x/3-y/3=? another is 7/a+2/a
  4. math

    please is there anybody who can help me to do my assignment about sums and differences of a rational algebraic expression this is the problem.... x^2/x-y - y^2/x-y=? another is 3y/3y-5 - 5/3y-5=? another is 10/x-3 - 2x+9/x-3 + 5x-7/x-3 please answer
  5. math

    sums and differences of rational algebraic expression please answer the following 9ab/cd^2 - 7ab/cd^2 another 3/x-1 - 2/x-1 another is 4x/4x-y - 2x/4x-y another is 3x/2y - 3x-2y/3x+2y another is 8/3x - 3/4x + 4/12x another is x-3/3x+1 + x+5/3x+1
  6. math

    please answer this my topic is all about sums and differences of rational algebraic expression 3/5 + 4/5 another is x/3 - y/3 another is 7/a + 2/a please answer it thanks!!!!!
  7. math

    sums and differences of rational algebraic expression answer the following 2x/x^2-2x-15 - x-2/3x^2+9 another is t/2rs^2 - 2r/3rst + 3s/30r^2t another is 3x/2x-3 - 2x/2x+3 + 3/4x^2-9 please answer this i need it tomorrow morning 3:00 please answer it i will
  8. math

    please answer this my topic is all about sums and differences of rational algebraic expression perform the indicated operation reduce answer to lowest term 3/5 + 4/5 another is x/3 - y/3 another is 7/a + 2/a please answer it thanks!!!!!
  9. math

    my topic is all about sums and differences of a rational algebraic expression this is the problem 3a/ax+ay + 2a/ax+ay another problem is a/4a+1 + 2/4a^2-7a-2 another is 3/a-b + 4/a+2b please anyone else who can answer my assignment please HELP ME!
  10. math

    sums and differences of rational algebraic expression answer the following perform the indicated operation reduce answers to lowest term 2x/x^2-2x-15 - x-2/3x^2+9 another is t/2rs^2 - 2r/3rst + 3s/30r^2t another is 3x/2x-3 - 2x/2x+3 + 3/4x^2-9 please
  11. math

    sums and differences of a rational algebraic expression 3/a + 2/ab + 1/abc another is 2x-1/6 + x+3/12 another is 2/a-b + 3/a+b another is 2a+b/a+b - 2a-b/a-b - 3a^2-b^2/a^2-b^2 another is 2x/2x^2+5x-3 + 5/x^2-9 another is x-3/12x^3-18x^2 - x+1/16x^2-24x
  12. Algebra

    Need help with these: [Can you show me the work for them please, if needed?] 3. Simplify (4x)(-2y) Is the answer -8xy? 5. To which set of numbers does 7.543 belong? a. rational b. irrational c. integer ? 8. Write an algebraic expression for one-half a
  13. Calculus

    We're learning about different kinds of functions and I don't really understand the difference between rational and algebraic functions. I know that rational functions are functions that are a ratio of two polynomials, and algebraic functions are any
  14. Math Sums and Differences

    Use the strategy of your choice to find the sums and differences below. a)(-4)+(10)+(4)+(-2) b)(5)+(-8)+(3)+(-7) c)(-19)+(14)+(21)+(-23) d)(5)-(-10)-(4) e)(-3)-(-3)-(-3) f)(+26)-(-32)-(+15)-(8) Continue each pattern, 3 times a) 5,2,-1,-4,-,-,- b)
  15. math

    can you answer this as soon as possible please just find the lcd of this rational algebraic expression 3x/x-4,2x/x+4
  16. math

    find the lcd of this rational algebraic expression 3x+2,2x/x^2-4,x+1/x^2+5x+6 please answer it immidiately i need the answer as soon as possible ..please?
  17. MATH HELP

    What is the simplified form of the expression? Hint: Combine like terms 7m2 + 6.5n – 4n +2.5m2 – n A)9.5m2 + 1.5n B)4.5m2 + 1.5n C) 9.5m2 – 1.5n Which property is illustrated by the statement? 8 + 3.4 = 3.4 + 8 A)Associative Property of Addition B)
  18. math

    find the lcd of this rational algebraic expression 4/x+2,2/2-x,3/4-x^2 another rational algebraic expression you will also find the lcd 5/y+5,3y/2y+10,2/y+10
  19. Equivalent Algebraic Expressions

    The game shown at the right consists of eight pairs of coloured squares called dominos. Rules: 1. Write a polynomial in each square marked P and a rational function in each square marked R. 2. The expressions you write must satisfy each of these
  20. Sixth Grade Math

    1. Write a phrase in words for each algebraic expression. A. "t - 29" Answer:29 minus t B. "a take away 16" Answer:16-a Write an algebraic expression with two variables and one constant. Answer: 150 + xy Did I answer the questions correctly?
  21. Math

    1. What is the algebraic expression for the following word phrase: the sum of 3 and 4x? 2. What is the algebraic expression for the following word phrase: the quotient of 8 and the difference of x and y? 3. What is the algebraic expression for the
  22. math

    please get the lcd of this rational algebraic expression 3x+2,2x/x^2-4,x+1/x^2+5x+6
  23. Maths

    Can you please tell me what TU means at the top of my sums eg., and do I put the sums answer in the circle between the sums and add the answer onto the next sums answer? TU TU 23 15 16+ 0 17+ ___ __ ___ __
  24. math

    15 INCREASED BY T IN ALGEBRAIC EXPRESSION my answer is t + 15 9 dollars less than b in algebraic expression. My answer is b - 9 am i right or wrong?
  25. algebra

    find the lcd o this rational algebraic expression 3x/x-4,2x/x+4
  26. algebra

    after solving a rational equation, why is it important to check your answer? How is this done? What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?
  27. Algebra

    After solving a rational equation, why is it important to check your answer? How is this done? What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?
  28. MTH HELP

    5)Which property is illustrated by the following statement ? 3z+4=4+3z A)Associative property of addition B)Commutative property of multiplication C)Inverse property of multiplication D)commutative property of addition 12) What is the algebraic expression
  29. algebra

    1. write an algebraic expression for the word phrase: the quotient of r and 12 a.r * 12 b.r/12**** c.r-12 2. write a word phrase for the algebraic expression: 2t - 9 a.nine fewer than two times a number t***** b.nine fewer than two times a number t c.nine
  30. algebra

    here is a rational expression, 20+2x/5-x for what value of x is the rational expression equal to zero? 20+2x/5-x 20/5+2x-x 4+2x-x 4+x I'm not trying to solve an equation. i am trying to find the value of x in this rational expression.
  31. Intermediate Algebra (math)

    (8x^2y^2+4xy^2-12y^2) ÷ 4xy^2 I received this problem. I was told to divide the rational expression. The problem I am having is I feel like something is missing. I only understand to divide rational expressions we take the first rational expression and
  32. Intermediate Algebra (math)

    (8x^2y^2+4xy^2-12y^2) ÷ 4xy^2 I received this problem. I was told to divide the rational expression. The problem I am having is I feel like something is missing. I only understand to divide rational expressions we take the first rational expression and
  33. math

    emily's age divided by 3 in algebraic expression? My answer is e / 3 am i right or wrong? the product of r and 8 in algebraic expression? My answer is 8 * r am i right or wrong?
  34. algebraic expression

    Lindsey has 47 coins in her change purse that are either dimes or quarters. If n represents the number of quarters she has, write an expression in terms of n that describes the number of dimes. The algebraic expression is _________ My answer is D + n = 47,
  35. Last questions Ms. Sue please for math

    1. To which subset(s) does the number √42 belong? Rational numbers Irrational numbers Whole numbers, integers, rational numbers While numbers, natural numbers, integers 2. Evaluate the following expression for the values given. P/s + r^2q ( p = 60, q
  36. Estimating sums and differnces of fractions

    Hello! My 10 year old daughter is having trouble understanding these preparation questions from her math teacher. I know the answer but I don't know how to explain it to her.. I'm sorry if that doesn't make any sense. When I was in 5th grade they taught us
  37. Algebra

    1.) Use the distributive Property to simplify the expression . (-1)(4 - c) A. 4 - c B. -4 + c C. 4 + c D.-4 - c 2.)Use the distributive Property to simplify the expression 4(2x - 4) A.8x + 4 B.8x - 4 C.8x - 16 D.4x - 16 3.) Use the distributive Property to
  38. Algebra

    Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 3 5 ----, ---- 84a 63b 4b 6 -----, ---- 75a 105ab Can someone here help me I do not understand
  39. Math

    1. Which expression is equivalent to (-2)(a+6)? A. -2a+6 B. 2a+12 C. -2a-12*** D. -2a+12 2. To which sets of real numbers does the number -22 belong? Choose all subsets that apply. (There's two right answers) Whole Numbers Rational Numbers*** Integers***
  40. math

    Algebra 1.) Use the distributive Property to simplify the expression . (-1)(4 - c) A. 4 - c B. -4 + c C. 4 + c D.-4 - c 2.)Use the distributive Property to simplify the expression 4(2x - 4) A.8x + 4 B.8x - 4 C.8x - 16 D.4x - 16 3.) Use the distributive
  41. Algebra

    Divide the rational expression. Express the quotient as a rational expression in lowest terms. (x^2+10x+21)/(x^2+11x+28) ÷ (x^2+3x)/(x^2+11x+28) (i really need to know the steps on how to do this (please just don't give me the answer i already know it)
  42. Algebra

    1.Simplify the following expression. 4(20+12)÷(4-3) 4(20+12 ÷ 1 4 32 ÷ 1 128 2.A gym membership cost $25 to join and $14 a month. Write and use an algebraic expression to find the cost of the gym membership for 6 months. $25+$14x6m =$109 Did I solve the
  43. Algebra Answer Check

    What is the algebraic expression for the following word phrase: the quotient of 6 and the sum of 5 and y? 6 a. ----- 5-y 6 b. ----- (?) 5+y c. 6(5+y) d. 6/5 + 6y What is the algebraic expression for the following word phrase: the quotient of j and 8? a.
  44. Algebra

    1. Which is an example of an algebraic expression? A. 4(3 +8) B. 18^2 C. 3 - a D. 21 . 4 *** 2. Which is an algebraic expression for 5 more than z? A. 5z B. z + 5 C. 5z + 5 *** D. 5 - z 3. Which word phrase can be used to represent the algebraic expression
  45. 8th grade

    Hi my class is doing a unit on patterns with algebraic expressions. And i need to find a difficult expression Figure# Term value 1 8 2 27 3 64 4 125 what is the algebraic expression and how did u do it? thank you. Math-Nick
  46. algebra

    Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 4/x-y , 5/2y-2x
  47. College Algebra

    I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 4.Simplify the compound rational expression. Use either method. 1+(5/y-10)/y+(25/y-10) a. 1/y-5 b. 1/y+5 c. 6/y+25 d.
  48. Math

    Translate the phrase into an algebraic expression. Five times k A 5k (my answer) B k + 5 C k divided by 5 D 5 - k Evaluate the expression when a = 6 a-24 A - 30 (My answer) B - 18 C 18 D 22 Evaluate the expression when s = 9 and t = 12 2s - t A - 6 B 6 C
  49. precalculus

    please check my answers 1.Use Gaussian elimination to write the system of equations given below in row-echelon form. 2x+4y+z=-4 2x-4y+6z=13 4x-2y+z=6 answer:2x+4y+z=-4 8y-5z=-17 z=1 2.Find the solution to the system of equations given below. x+y+z=2
  50. Algebra II

    I have some questions on my assignment, if you don't mind could you look over my answers. thanxs! Find all the numbers that must be excluded from the domain of the rational expression. x+8/x^2-16, my answer: x cant be -4 or 4 x-3/x^2+11x+24, my answer: x
  51. Mat222

    I am having a hard time finding the domain, set notation,excluded value. Rational expression 1. Y^2+11y+30/y+5 Rational expression 2. 5a-3/a^2-49
  52. Algebra plz check

    Find all numbers for which the rational expression is undefined -12/5y. The rational expression is defined for every real number is this correct?
  53. Algebra

    Build each rational expression into an equivalent rational expression with the indicated denominator. -7yt= ? ____ _____ 3x 18xyt
  54. Algebra

    Rewrite the rational expression as an equivalent rational expression with the given denominator. (Both are fractions) It's 21 over x squared minus 6x is equal to 1 over x (x-6)(x+5) -21 = 1 x2 -6x x(x-6)(x+5)
  55. algebra

    Build each rational expression into an equivalent rational expression with the indicated denominator (-7yt)/(3x) =(?)/(18xyt)
  56. Algebra

    -7yt/3x=? /18xyt Build each rational expression into an equivalent rational expression with the indicated denominator.
  57. algebraic expressions

    Translate the phrase to the equivalent algebraic expression. If no variable is given, use x as the variable. See Example 1. The square of the quantity 34 less than dont know what answer is
  58. Math

    Write one numerical expression and one algebraic expression. Then explain what the differnce between a numerical and algebraic expression is.
  59. Algebra

    Simplify the rational expression and write the restriction for the simplified rational expression. x^3 - 8 ----------------------- x^2 + xy - 2x - 2y
  60. Algebra

    Rewrite the rational expression as an equivalent rational expression with the given denominator. (Both are fractions) -21 = 1 x2 -6x x(x-6)(x+5)
  61. Algebra

    Please check all of my answers and tell me if they are right. 1.   What is the simplified form of the following expression? 7m^2 + 6.5n – 4n + 2.5m^2 – n (1 point) A. 9.5m^2 + 1.5n*** B. 4.5m^2 + 1.5n C. 1.5m^2 – 4.2n D. 9.5m^2 – 1.5n
  62. Alg I

    when translating the verbal expression "five more than d" into an algebraic expression, is the answer 5+d or d+5? Aren't they the same?
  63. 8th grade math

    is this expression correct? Question: translate 14 increased by y to an algebraic expression. my answer: 14 + y
  64. Algebra

    Please check my answers 1.)what is the algebraic expression for the following word phrase : the product of 6 and n ? A.6-n B.6+n C.6n***** D.n/6 2.what is the algebraic expression for the following word phrase : the quotient of 6 and the sum of x+y?
  65. algebra

    what are rational expressions? Why must we always be mindful of the final value of the denominator in a rational expression? For example, consider the rational expression 3x/(x2 – 16). What values in the denominator must we be mindful of? Explain why.
  66. Trigonometry

    I can't figure out the answer to this problem Use a right triangle to write the expression as an algebraic expression. (Assume x is positive) Tan(sec¯¹ [sq rt.x² + 4/x])
  67. Math

    Simplify each rational expression. Can you please show me the steps on how you got the answer. Thank you (over means there is a line under the first expression and then the second expression is placed underneath the line) 2c^2-c-1 over 2c^2+3c+1 8c^2+2c
  68. Algebra 2

    I have to add this rational expression but I keep on ending up with 2 different answers each time I try to solve the expression. 2/x + 1/2x My answer is 4x+1/2x; but I also got 5/2x. Which one is correct and why?
  69. Algebraic expression

    Translate 7 more than one-third of a number into an algebraic expression
  70. Algebra - how do you do this

    (-7yt)/(3x)=?/(18xyt) Building up the denominator Build each rational expression into an equivalent rational expression with the indicated denominator.
  71. algebra

    Compute the following sums and differences -7+(-2) Does that mean just add them or...
  72. algebraic expressions

    write a situation that can be represented by the algebraic expression 3.25d
  73. algebraic

    what is the algebraic expression for $1.60 a gallon of gas. $32.00 to fill the tank. 20 gallons
  74. Math

    3) Explain how the laws of exponents work with rational exponents and give at least one example of an expression containing rational exponents... Please help.. I can't find the answer to this anywhere..
  75. 5th Grade Math Algebraic Expressions

    What is the algebraic expression for six is fifteen less than three times a number?Please Help.! -Keke
  76. Trigonometry

    Write the trigonometric expression as an algebraic expression. 1.) SIN(ARCSIN X+ARCCOS X) ANSWER: 1 2.) SIN(ARCTAN 2X-ARCCOS X) ANSWER: 2x²-SquareRoot of 1-x²/Square Root of 4x²+1.
  77. Math

    Which algebraic expression is equivalent to the expression below? 10(4x + 3) - 9x a. 31x + 30 b. 31x - 3 c. 40x + 21 d. 49x + 30 I feel the answer is B. but I'm not sure. If someone could type out the equation, that'd be great
  78. Algebra Help

    Express in terms of sums and differences of logarithms: log_a x^3 y^2 z
  79. Algebra

    Please express in terms of sums and differences in logarithms. log a x^3 y^2 z
  80. Math

    Write an algebraic expression for each word phrase on the board. Evaluate each expression for x=2 3 times x=6 Expression: 3x
  81. pre-algebra(algebra)

    I'm not sure if I have the correct answer to this problem...All I have to do is use the Distributive Property to write each expression as an equivalent algebraic expression. Here is the problem: b(c+3d) Is the answer: bc+3bd
  82. Math - Algebraic expressions

    Simplify the Algebraic Expression 7-2[3(2x-5) - (5x+3)]
  83. Algebra 1

    1. Which is an example of an algebraic expression? A. 4(3+8) B. 18^2 C. 3 - a*** D. 21 x 4 2. Which is an algebraic expression for 5 more than? A. 5z B. z + 5*** C. 5z + 5 D. 5 - z 3. Which word phrase can be used to represent the algebraic expression 4(21
  84. help riemann sums

    the expression 1/50 (1/50 +2/50+ 3/50+ .....50/50)is a Reimann sum approximation for (everything in the parantheses is square root except the 1/50 outside the paratheses) the answer has to me the integral form so from looking at the formula in my book i
  85. Algebra

    What is an algebraic expression for 5 more than z? My answer is z5
  86. Algebra

    Is 3 A an example of an algebraic expression? My answer is yes
  87. Math(dispute to previous question)

    2)Name the sets of numbers to which 457 belongs. (answer)natural,whole,integers,rational,reals My book says that every REAL number has to be rational or irrational. Blueridge said that my answer was correct except to exclude rational from my list. From
  88. Algebra 2

    Is the solution to this rational expression extraneous? The problem: (2x-3)/7 -(7x)/14 My answer: x = -9/4 My teacher wants to know if the solution is extraneous and I know I have to plug my answer back into the expression to check but I still don't
  89. algebra

    Consider the following four polynomials, labeled A - D: A. ( 2x2 - 4x ) B. ( x3 - 1 ) C. ( -3x3 + x2 - 4x ) D. ( x5 + x2 - 3 ) Find an algebraic expression that uses each of the four polynomials once and simplifies to: x8 + 3 Your expression may involve
  90. Translate verbal expression into Algebraic express

    Five friends went to a baseball game. Three of the friends each bought a ticket for x dollars and a soda for $6.00. The other two friends each bought only tickets. Write and simplify an expression that represents the amount of money spent. Answer: 3x +
  91. Math 8th grade

    I NEED THESE IN ALGEBRAIC EXPRESSION!! The larger of two sums is 12 more than the smaller. Their sum is 84.Find the numbers. The sum of two numbers is 45. The first is 9 less than the second.Find the numbers. The second of two numbers is 5 more than twice
  92. math - PLEASE!

    15 increased by t What is the answer in algebraic expression form? My answer is 15 + t am i right or wrong
  93. College Algebra

    I posed these one's before but added parenthesis which I think made it confusing as the actually questions do not have them. So, I'm reposting them without to see if it makes sense. If not I understand. 1. Compute as indicated. Write your answer in lowest
  94. College Algebra

    I posed these one's before but added parenthesis which I think made it confusing as the actually questions do not have them. So, I'm reposting them without to see if it makes sense. If not I understand. 1. Compute as indicated. Write your answer in lowest
  95. math,algebra

    Can someone explain this to me plese: to factor a number you.... and then can you explain to me To factor an algebraic expression into prime factors means..... thanks This is how I would complete these two sentences. To factor a number, you break it down
  96. Math

    Hello I did my math homework, but I need someone to check if I did it right or not. 1. A = z>=4 B = z<7 Write A or B and A and B using interval notation Answer: A or B = (-infinity, infinity) A and B = [4,7) 2. Write the algebraic expression for the
  97. math

    ok i need help with these questions i have been trying to figure them out and my brain isnt working. please help and thank you ahead of time. if you can help. 4. Q.write and algebraic expression for the product of 15 and c A. IS IS C-15 16. Q. define the
  98. MATH

    Rewrite cos(arcsin(v)) as an algebraic expression in v. i know that the answer is squroot of 1-v^2 but i don't know the process of how to come to this answer. Thanks for the help!
  99. Math

    Rewrite cos(arcsin(v)) as an algebraic expression in v. i know that the answer is squroot of 1-v^2 but i don't know the process of how to come to this answer. Thanks for the help!
  100. Intermediate Algebra

    what is the meaning term rational expression Please give me an example how to divide rational expressions