1. Math

    Using two examples for each operation (addition, subtraction, multiplication and division), use two fractions which will equal 2/5.
  2. Algebra

    Which operation should be performed first in the expression? 5+7÷7x4-17 Addition Subtraction Multiplication Division***** **Is my answer
  3. math

    What inverse operation is needed for the first step in solving the equation 12+5x=22? a. addition b. subtraction c> multiplication d. division
  4. math

    as well as addition,subtraction,division and multiplication.Sally invents the operation Q. when you see Q between two numbers,you double the sum of their squares. The value of 5Q12 would be ?
  5. Math

    With fractions do you always have to find a common denominator in addition, subtraction, multiplication and division? For each of the above mathematical operations?
  6. i need help completing this MATH question!

    ORDER OF OPERATIONS step 1. first do operations that accur within_____________. step 2. then evaluate_________. step 3. then do_________and_______from left to right. step 4. finally, do______and_______from left to right. here are your choices in
  7. 5th Grade Math

    I cannot get my brain around questions like this: 1/4 divided by 2/5 = 2/4 x ? I have 4 problems like this and even the example doesn't make sense - I may have copied it wrong off of the board. Can anyone help? Thank you! You invert the second fraction and
  8. Algebra

    To solve the following system of equations by elimination, which operation would you perform first? 234x + 65y = 219 1225x + 65y = 427 F. addition G. subtraction H. Multiplication I. division
  9. writeacher

    because in the previous message about the pemdas it is parenthesis,exponents,multiplication,division,addition,subtraction therefore how that little part that looks like this 12 divided by 2*2 it would be multiplication first then SORRY THEN DIVISION SO
  10. math

    115-100+3*5= 115-100+3*5...Use BEDMAS (Bracket, Exponent, Division/Multiplication, Addition/Subtraction). So you would first do 3*5 which is 15. So you'd have: 115-100+15 And then from there solve to get 30. It's PEMDAS Raj!! P - PARENTHESSE E - Exponent M
  11. help me

    under which operation is the set {-1,0,1} closed? 1 multiplication 2 addititon 3 division 4 subtraction
  12. mathematics help me plz.....

    under which operation is the set {-1,0,1} closed? 1 multiplication 2 addititon 3 division 4 subtraction
  13. Math

    1. Complete two column proof. Given: x/6+2=15 Prove: x=78 x/6+2=15 A:______ x/6=13 B:______ x=78 C:_______ A:a. Given b. Subtraction Property of Equality c. Division Property of Equality B:a. Given b. Addition Property of Equality c. Multiplication
  14. What do I do?

    Here's the problem: In a load of 3/4 ton of steel rods, 1/8 are bent. How many tons of steel rods are bent? I don't know which operation to use. Should I use addition? Should I use subtraction? How 'bout division? Should I use multiplication because of the
  15. 5th grade

    addition subtraction multiplication and division
  16. Math

    In The expression 7^3-4x3+8 , the first operation is? A.An exponent B.Subtraction C. Multiplication D.Addition
  17. Geometry

    Complete two column proof. Given: x/6+2=15 Prove: x=78 x/6+2=15 A:______ x/6=13 B:______ x=78 C:_______ A:a. Given b. Subtraction Property of Equality c. Division Property of Equality B:a. Given b. Addition Property of Equality c. Multiplication Property
  18. MATH MULTIPLICATION!!!

    PLEASE HELP ME SOLVE THIS PROBLEM: 4((3x-6)/(6x+2))^3 * ((42)/(6x+2))^2 okay, here your going to use PEMDAS. Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction go in order of PEMDAS. does that help? (3+4}2*-(2*4)2 4=
  19. Very easy math

    my teacher told me that the inverse of addition was subtraction and that the inverse of subtraction was addition... could you prove it to me -x = (-1)x ((-1)x)^-1 I don't see how I'm suppose to get + x by taking the inverse of -x i've always been told in
  20. math

    3 5 7 18 3=14? insert addition, subtraction, multiplication, and division to complete equation
  21. Math

    using the numbers 24-12-7-2...in any addition subtraction division or multiplication combination, i have to come up with the sum of 24. Help.
  22. Algebra I

    Tell whether the set is closed under the operation. If it is not closed give an example that shows that the set is not closed under the operation. 10. Positive irrational numbers; division 11. Negative rational numbers; multiplication 12. Negative
  23. Geometry(stumped)

    Complete the two-column proof. Given: x/5 + 9 = 11 Prove: x = 10 x/5 + 9 = 11 a.__________ x/5 = 2 b.__________ x = 10 c.__________ A) a. Given b. Subtraction Property of Equality c. Division Property of Equality B) a. Given b. Subtraction Property of
  24. Math

    use addition, subtraction, multiplication and/or division to make a statement true 3 3 3 3 3 3=100
  25. Geometry

    Complete the two-column proof. Given: x/5 + 9 = 11 Prove: x = 10 x/5 + 9 = 11 a.__________ x/5 = 2 b.__________ x = 10 c.__________ A) a. Given b. Subtraction Property of Equality c. Division Property of Equality B) a. Given b. Subtraction Property of
  26. Geometry

    An equation using the numbers 2,4,6 and 8 to get the answer to be nine. You may use multiplication, division, subtraction, addition, and parenthesis. im so stumped.
  27. math: and i really need help

    3x(a-5)=6 What is the value of a ? 3x(a-5)=6 is x multiplication or variable multiplication Multiplication=* Division=/ 3x(a-5)=6 3*(a-5)=6 (3*a)+(3*5)=6 3a+15-15=6-15 3a=-9 3a/3=-9/3 a=-3 I hope this helps. I am not 100% sure this is right. Or it can be
  28. algebra

    how can i find an example for multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17.
  29. math(algebra)

    How can you solve problems involving equations that contain addition subtraction multiplication or division? Pls help me!!
  30. math

    Is there Distribute Property of Division over addition or subtraction? I have all ready have the information for Multiplication and can you please help as soon as possible as I have a test on this tomorrow!! Thank you.
  31. Math

    Take an odd digit and use it exactly three times, so that the three digits are equal in value to an even number. ADDITION, SUBTRACTION, MULTIPLICATION AND DIVISION CANNOT BE USED! Can you please help me!
  32. algabra

    What is an expression to simplify using at least three of the following? Groupings: Parenthesis, brackets, or braces Exponents Multiplication or division Addition or subtraction
  33. math

    How can you make 34 by only using the digits 1, 2, 3, and 4? You can put two numbers together (ie 12 or 34). You can use the operations: addition, subtraction, multiplication, (NO DIVISION!!), exponents, and parentheses any way you want!! Please help!!!!
  34. math

    How can you make 7 by only using the digits 1, 2, 3, and 4? You can put two numbers together (ie 12 or 34). You can use the operations: addition, subtraction, multiplication, (NO DIVISION!!), exponents, and parentheses any way you want!! Please help!!!! I
  35. math

    give reasons of solving rational exponent or radicals in terms of, addition, subtraction, multiplication and division.
  36. Math puzzle

    Make the number 500 by mathematically combining eight 4's. You may use addition, subtraction, multiplication and division. You may also "push" them together.(44)
  37. math

    Place any of the four operations signs (addition, subtraction, multiplication, or division)in the boxes to make the following sentence true. 1___2___3___4=6
  38. math

    16_k=8 In the equation above, _ represents one of the operations of arithmetic: addition, subtraction, multiplication, or division. If k is a positive integer not equal to 8, what must be the value of k?
  39. Math--1 question

    Name the inverse operations for each of the following operations. a. addition b. division c. multiplication d. subtraction
  40. math

    Please help. Please. using the numbers 24 12 2 7...in any addition subtraction division or multiplication combination, i have to come up with the sum of 24. Help. I have tried every combination i can think of the closest i have come is 22 or 26
  41. Math

    Help I need a 4 word problems. Each word problem should have 1 multiplication,1 Division, one addition and one subtraction and we need one variable. PLEASE HELP
  42. Math

    I have to use the numbers....24-12-7-2 and use any combination of division subtraction multiplication and addition to come up with a final sum of 24. I have tried every combination i know of. please help
  43. Math

    using the numbers 24 12 2 7...in any addition subtraction division or multiplication combination, i have to come up with the sum of 24. Help. I have tried every combination i can think of the closest i have come is 22 or 26
  44. math

    using exactly four 4s and only addition, subtraction, multiplication, and division, write an expression that equals each of the numbers from 1 to 10. you do not have to use all the operations, and numbers such as 44 are permitted
  45. Math

    How is combing radicals by addition and subtraction similar to combining monomial expressions by addition and subtraction? Please use examples.
  46. Asap/Algebra

    Simplify the following expression. suare root -104, square root -8 (these two radicals are beside each other without a addition, subtraction, multiplication, or division sign)
  47. Math

    Explain how the order of operations determines how you simplify a numeric expression. explain the rules for addition, subtraction, multiplication, division, and the use of grouping symbols.
  48. math

    hi! I am having problems with my caculator. it is the complex kind of caculator. I have been trying to play around with it. when ever I use decimals with multiplication, division, subtraction, and addition, the answer is a fraction. doea anybody know how
  49. computer programming

    Make an Maplet that does the simple calculator funtions as addition, subtraction, multiplication, division, factorial, sin(), cos(), tan(). (using maplet in maplesoft)
  50. Math

    Write equations that equal the number 44 using exactly four 4's 4sqred plus 4sqred plus 4qred minus 4 (donno if it counts) Hi Tom , We can only use the symbols of multiplication, division, subtraction and addition. Please try again Thanks 4-4+44 = 44
  51. math

    Whatwould be the answer 3+9+6+52x963+??? The answer depends upon where you put the parentheses. The order of operation makes a big differnece The answer depends upon where you put the parentheses. The order of operation makes a big differnece I agree with
  52. Algebra

    An operation is commutative if you can change the order of the numbers involved without changing the result. Addition and multiplication are both commutative. Subtraction is not commutative: 2 - 1 is not equal to 1 - 2. So my question is what’s the
  53. division of fractions

    Division of fractions is sometimes said to be multiplication of inverses. Elaborate with an explanation and example. If you have a/b divided by c/d this is the same as a/b * d/c If e.g., we have 2/3 divided by 7/9 then we have 2/3 * 9/7 = 6/7 When dividing
  54. Geometry

    How many lines of symmetry on the four operating symbols? Addition sign : 4 Subtraction sign : 2 Multiplication sign : 4 Division sign : 2
  55. math

    I do not undeerstand this question for homework. Determine if the set is closed for the given operation. 1. yes or no- The set of positive fractions for division. 2. yes or no=The set of positive integers for subtraction. Can someone help me?
  56. geography

    indicate the equation of the line that is the perpendicular bisector of the segment with endpoints (4, 1) and (2, -5) it shows a series of boxes and says to fill them in... _+_ _=_ _ _ _ _ each underscore represents a box. characters to use include; = <
  57. math

    I do not undeerstand this question for homework. Determine if the set is closed for the given operation. 1. yes or no- The set of positive fractions for division. 2. yes or no=The set of positive integers for subtraction. Can someone help me? Is there a
  58. math

    In your opinion, how is the order operation used to solve equation. exponets, groups, multiplication, division, addition, subtraction. This allowes you to get the same result every time..... I hope this helps :) I searched Google under the key words "math
  59. math

    -4+[3-10] Just use BEDMAS...bracket, exponent, division and multiplication, addition and subtraction. -4+[3-10] Since 3-10 is in the brackets, you do that first and get -4, so you have -4 + (-4), and your final answer is -8. Raj must have made a typo. 3-10
  60. Precedence rules for the algebra community

    Precedence of operators In simple algebra, there is a set of precedence (priority) of operations that should be respected in order that everyone evaluates mathematical expressions in the same way. Although these rules have been taught in elementary school
  61. math 116

    Is it always necessary to have a common denominator to add and subtract fractions? Why? What about multiplication and division with fractions?
  62. Math

    If 360 workers called in sick and 240 went to work, how many workers work at the company all together? Solve using fractions and multiplication or division. Obviously the answer is 600 but how do I solve the problem using multiplication or division?
  63. math

    i am having to add, subtract, multiplication and division on fractions. whloe numbers with fraction. My question is that i do not know how to do fractions at all and i need some help
  64. maths

    explain why are the following not groups: 1)the set of Z integers with operation subtraction 2)The set of Z integers with operation addition 3)The set of R* of all non zero real numbers with addition
  65. algebra 1

    ELEMENTARY ALGEBRA #3 Page 23 Chapter 3 Lesson 3.02 Solving Multi-step Equations Reading Assignment: Study pages 126 – 129 Written Assignment: There are five steps to solve Multi-Step equations, Match them in their proper order. Step 1 Undo
  66. Math

    Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17. Do your work step by step and explain each step as you simplify the expression. Demonstrate the consequences
  67. Math

    Which properties justify the steps taken to solve the system? {4x+3y=25 {2x+−5y=19 Drag the answers into the boxes to match each step. 4x+3y=25; −4x+10y=−38 ________________ 13y=−13 _________ y=−1 ____________ 4x+3(−1)=25 _________ 4x−3=25
  68. math

    How can I add a two digit number and two three digit numbers in my head. Any tricks anyone knows in connection with short-cuts to solving different math problems( such as addition, subtraction,multiplication, division, rounding, conversions, percents) in
  69. math

    can someone help me figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t
  70. math

    can someone show me how to figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I
  71. math 117/algebra

    simplify comples fractions. w+3/4w-----w-3/2w it is w-3 over 4w over w-3 over 2w q/f divided by t/u is the same as q/f multiplied by u/t, or qu/ft Division is the reciprocal of multiplication. q/f divided by t/u is the same as q/f multiplied by u/t, or
  72. Math

    Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17. Do your work step by step and explain each step as you simplify the expression. Demonstrate the consequences
  73. math

    why dosnt the commutitive property work with subtraction and division? For subtraction : Because a - b and b - a are not the same. They are of opposite sign. For division: a/b does not equal b/a. If it did, you would have a^2 = b^2 for ANY a and b, which
  74. algebra 1A

    could someone write me an expression using three of the following? 1. multiplication, addition & subtraction. thank you
  75. math

    solve by substitution: addition, subtraction or multiplication. 3X+Y-11 and -2X+Y=1 X= Y=
  76. Math

    State the property that justifies the statement: If 3x = 6, then x = 2. A. Subtraction Property of Equality B. Addition Property of Equality C. Division Property of Equality D. Multiplication Property of Equality*** Can you please check my answers?
  77. Math: Homework Questons (answer quick)

    Can you check if the answer is correct and of there any grammar mistakes. Write True or False and EXPLAIN your reasoning for the answer!!!! 8. (5 - 2) - 1 = 5 - (2 - 1) Answer: True Reason: The reason why my answer to this question is true is because when
  78. jms

    When solving problems, which of these is performed before the others? A. Multiplication B. Addition C. Exponents D. Subtraction
  79. MATH plz help

    what is the first step to evaluate this expression? 7^3 - 4 * 3 + 8 A. Exponent B. Subtraction C. Multiplication D. Addition
  80. Geometry

    How do I solve this? Complete the two-column proof. Given : 11x – 6y = –1; x = 8 Prove: 89/6= y 11x – 6y = –1; x = 8 88 – 6y = –1 –6y = –89 y = 89/6 89/6= y • a. Given; b. Symmetric Property of Equality; c. Subtraction Property of
  81. Algebra 2

    how do the operations of addition , subtraction and division affect radical expressions?
  82. 6TH GR. ALGEBRA

    EXTENDING THE LESSON If you add any two rational numbers, the sum is always a rational number. So, the set of rational numbers is closed under addition. Is the set of rational numbers closed under subtraction. multiplication,and division also? Explain.
  83. economics

    Young Saul, a budding mctaemhtiaian and printer, is making himself a fake ID. He needs it to say he’s 21. The problem is he’s not using a computer, but rather he has some symbols he’s bought from the store, and that’s it. He has
  84. geometry

    m ∠PQR + m ∠SQR = m∠PQS a. ______________ x + 7 + x + 3 =100 b. Substitution Property 2x + 10 = 100 c. Simplify 2x = 90 d. _______________ x= 45 e. Division Property of Equality a. Angle Addition Postulate, Addition Property of Equality b. Angle
  85. Math formatting?!

    umm, can some one please tell me how to write down the problems on this website? i think this (*) is multiplying but i'm not completely sure. and what is division? i have some graphing problems. by the way, i'm in 9th grade. You are right, multiplication
  86. Math

    Define "multiplication of natural (counting) numbers." For the naturals, multiplication could be viewed as a kind of repeated addition. This would be the only set this is true for. With negative numbers, decimals or fractions we would need a different
  87. Algebra 8th grade please help!!!!!!

    Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your
  88. Math

    Hi I am not good with math. Please tell me how to differentiate mixed numbers, order of operation,subtraction, divide and multiplication etc. Thanks!
  89. Math, algebra!! Please help!!!!!!

    Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your
  90. Algebra PLEASE?

    Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your
  91. math

    Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your
  92. Easy Math

    Q. Sean used three fourth cup of sugar to make a dozen brownies. How much sugar is in each brownie? ((three is numerator and fourth is demonator)) Choose Between Division, subtraction, mulipcation, or addition. Answer: Addition.
  93. another one ASAP

    using the number 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. explain why the result of your
  94. addition, subtraction, multipication, and division

    In 25 divided by 5 minis 4 equals 25 where would you put the perethyses to make it true???
  95. math

    Ihave to evalaute expressions can someone tell me which whay is the correct way. 15+ 20 ÷ 5 Is 15 + 4= 19 or 5 ÷ 5=9 210-5 x 30 Is it 210-150=60 or 205 x30=61590 Have you heard of BEDMAS? it shows the correct order of operation in arithmetic B-brackets
  96. mat

    In some cases the Distributive Property of Multiplication over Addition or Distributive Property of Multiplication over Subtraction can be used to obtain an answer quickly. Represent the following operations using one of the distributive properties and
  97. mat

    In some cases the Distributive Property of Multiplication over Addition or Distributive Property of Multiplication over Subtraction can be used to obtain an answer quickly. Represent the following operations using one of the distributive properties and
  98. MATH

    HOW IS ADDITION & SUBTRACTION OF POLYNOMIALS SIMILAR TO ADDITION & SUBTRACTION OF RADICAL EXPRESSIONS?
  99. maths please help

    Subtracting ,division and multiplication of fractions A. 16p^2-4q^2/(6p^2-7pq+2q^2) *6p^2-13pq+6q^2/(4p^2-4pq-3q^2) B. a^2+a-2/(6a-12) / a+2/(a^2-3a+2) C.3/(x-3) -x^2/(6+x-x^2) -2/(x+2) D.x+1/(x^3-1) - 1/(x^2+x+1) Key
  100. Geometry help

    The true conditional statement "If 1/2 (m<ABC) = m<ABD, then m<ABC = 2(m<ABD" illustrates which property of equality? A. Addition property of equality B. Subtraction property of equality C. Multiplication property of equality (My Answer) D.