1. math

    2. Simplify. Please be sure to show all of your work. -3(-9) – |-5 – 3 3. Simplify. Please show all of your work 9c^3+7c-(3c^3-12+c) 4. Solve 4x- 3(5x-8) =23-9(x+2) . Please show all of your work 5. Solve the following equation for z. Please show all
  2. mat115

    Please help me with this math question. I am asked to show my work but I don't know how to solve the problem to show my work. The question is: Choose the correct list of factors of the number 8. Again, I have to show my work with this question. Please help
  3. Math

    Simplify the expressions in each pair. (2 marks each) (Show your work) i) (x^2-x-2)/(x+1),g(x)=(x-2) My work on simplifying the functions: (x-1)(x+2)/(1) (x-1)(x+2) ii) (x^2-x-12)/(x+3), g(x)=(x^2-6x+8)/(x-2) My work on simplifying the functions:
  4. algebra

    simplify and show all work 11+12^2-(-11)*12 is this right11+144-(-11)*12 155-(-11)*12 144*12 1,928 simplify -(8m)-(-7m+2) 15m-2 according to order of operation what should be done first when evaluating this expression do not solve [10-(-2+1)]-9
  5. chemistry

    1.)Calculate the number of moles in 3.50 x 10^21 atoms of silver. Show all work. 2.) Calculate the number of atoms in 2.58 mol antimony. Show all work 3.) Determine the mass of 1.45 mol FePO4. Show all work. 4.) Calculate the number of mol in 6.75 g of
  6. Algebra Help

    Solve. Find the exact solution(s). Simplify as much as possible. Show work. 2x^2 + 4x – 1 = 0
  7. Algebra

    Solve. Find the exact solution(s). Simplify as much as possible. Show work. 2x^2 + 4x – 1 = 0
  8. math

    I am not sure how to do these. 1. Simplify 4√6/√30 by rationalizing the denominator. Show your work. 2. Simplify (2√5 + 3√7)^2 Show your work. Justify each step.
  9. algebra

    Simplify using long division.Show all work. (-72-4x^2+8x^3-36x)/(x-3) Also,please solve (8b^3-6)/(2b-1) I greatly appreciate your help.
  10. Math

    Evaluate the expression for the given value of the variable. Show your work. [-4b-8]+[-1-b^2]+2b^3;b=-2 Solve the equation. Check for extraneous solutions. 9[9-8x]=2x+3. Show your work. I really need help with both of these problems.
  11. Calculus

    Use the function f to solve the following: a) Local minima, local maxima, and stationary points if any. Show work. b)Intervals of upward concavity and downward concavity if any. Show work. c) Inflection points if any. Show work. f(x)=2x+1/x-2 Please, don't
  12. algebra

    Let f(x)= 2x^2 +7 and g(x)= x – 6. (a) Find the composite function (f*g)(x) and simplify. Show work. (b) Find ( f*g)(1). Show work.
  13. Calculus

    Let f (x) = 5x^2 – 9 and g(x) = x – 3. (a) Find the composite function ( f o g)(x) and simplify. Show work. (b) Find ( f o g)(2) . Show work.
  14. prealgebra

    can you please help me and help me solve this and show work: Identify the percent of change as an increase or a decrease. Then find the percent of change. #1.) Original:45 New:30 Please help i don't understand how to solve and show work
  15. college Algebra

    1) Solve the following by factoring: a) Answer: Show your work here: b) Answer: Show your work here: 2) If , find a) f(2) Answer: Show your work here: b) f(-1) Answer: Show your work here: 3) Solve 6x2 + 3x – 18 = 0 using the quadratic formula. Read the
  16. Math

    Consider the equation below. 1/5(x+2)+2x = 6x-10 Part A: Which property can be used to simplify the expression 1/5(x+2)? Answer _______________ Part B: Move all x-terms to one side of the equation and simplify. Show your work. Answer _______________ Part
  17. Mathematics

    Simplify the expression. (6x^-2)^2(0.5x)^4. Show your work. I know that the answer is 9x^2-+4 I just need help showing the work. PLEASE HELP!
  18. Math (Help!)

    Note: Remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. you can use the comments field to explain your work. Your teacher will review
  19. Algebra

    Simplify the radical expression square root 48a squared b to the 7th all beneath the sq rt sign I have no work to show, can't remember the steps to solve
  20. 6th grade

    I need to balance the equation and show my work. Ex. N - 2.4 = 5 +2.4 = +2.4 ----------- N = 7.4 How would I show my work for: 2.3 + 4.09 = N I know the answer is 6.39 because I add 2.3 and 4.09 but how do I show the work? Thanks
  21. MATH PLEASE SHOW WORK

    Three consecutive odd intergers are such that the sum of the squares of the first two integers is 54 more than 20 times the third integer. Determine the three integers. Please help and show all work thank you SHOW WORK SO I UNDERSTAND HOW TO DO IT THANK
  22. College Math II

    x/x – 1 - 3/x = 1/4 My problem says to show the work and to solve the equation. I am not sure how to use the steps to show my work and answer the problem. Thanks.
  23. Math

    Naomi and 50 red beads and white beats the number of red beads is one more than six times the number of white bees how many red beans does Naomi have. What does one more than six times the number of white beads mean coming from me Alexis I do not know how
  24. Algebra 1

    Simplify using long division. (remember to show all your work.) 3. (72-8x^2+4x^3-36x)/(x-3) 4. (8b^3-6)/(2b-1) simplify the expression, if possible. state the excluded values, if any. 5. 10x^2-25X+15^5x-5 6.2w^2-18^w^2+6w+9
  25. Math 7 A

    Note: For questions 5 and 6, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your work.
  26. Math

    6x-4y=54 -9x+2y=-69 Which system would work best to solve? Please show work and solve. (all steps) Thank You I honestly don't know how to do this.
  27. algebra

    Solve the equation and write down the property you use at each step to simplify the equation. Consider the equation: 4x + 11 = (5x + 34)/2. Be sure to show your work.. Thank You Jiskha..!! :)
  28. Geometry

    The coordinates of a triangle are X(0,0, Y(2h,2h), and Z(4h,0). Is the triangle a right triangle? Show work to support your answer. I don't really know how to solve this, or show m work.
  29. Physics

    please show me how to work out this problem: A roller coaster moves 85 m horizontally, then travels 45 m at an angle of 30.0 degrees above the horizontal. what is its displacement from its starting point? use graphical techniques. the answer is 126 m at
  30. math

    Multiply and simplify 2/3*13 The answer is 22. Right? if you mean (2/3) * 13 or 2 / (3*13) i believe according to both your answer is wrong Is that (2/3)*13? If so, then (2*13)/3= something other than 22. Or if it is 2/(3*13) = it is not 22. Show your work
  31. Algebra

    The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=4,000/200-2x What is the cost to remove 65% of the pollutant? Show all your work. What is the cost to remove 95% of the pollutant? Show all your work. What is the cost to
  32. ALGEBRA

    SIMPLIFY AND SHOW WORK 12-1/9-4/3+(1/2)^2
  33. math

    simplify -4(c+3)2c Please show all work
  34. Algebra

    Simplify. Please show all work. 6b^2 - 4b + 3b^4 - (7b^3 + b^4 - 4b)
  35. Algebra

    Simplify...Show work...-b+bc-c^3-(c^3+bc-c^3+b)
  36. math

    Simplify. Please show all of your work 9c^3+7c-(3c^3-12+c)
  37. math

    Simplify. Please be sure to show all of your work. -3(-9) – |-5 – 3|
  38. PreAlgerbra

    Simplify and show work: 9x*2y+7x(4/2)
  39. math

    Simplify. Please be sure to show all of your work. 94-24*2-2/5*1/2
  40. math

    Simplify. Please show all of your work. 12* 1/4 +2/-2^3
  41. al

    radical 72 x^9 simplify show all work
  42. :)

    simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2
  43. Math - Algebra

    A. Solve the following quadratic equations. Make sure to show all your work. Do not use any method (e.g. factoring, completing the square, quadratic formula, graphing) more than twice. Use the graphing method at least once. 1. 3x+2 + 11x -20 =0 2. x2 + 3x
  44. Math

    Could you show me how to work through this problem? Show me steps Solve for s. Show all steps. –3s ≥ 18
  45. Math

    I help solving these out can someone work through them with me???? 19. WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your
  46. algebra 1

    simplify and show work 3+4-10 dived by 2
  47. math

    simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2
  48. Intermediate Algebra

    Simplify. Show work.-(6a^8+0.2a^2-7)
  49. Intermediate Algebra

    Simplify. Show work.-(6a^8+0.2a^2-7)
  50. Algebra 2 URGENT

    Simplify: x+2/x^2+x-2/2x Please Show All Work!
  51. Math

    Can someone please simplify this i am lost. X(x+1)+(x+1)(x+2) show your work
  52. ALGEBRA

    9/16-(-3/16) subtract show all of your work. simplify
  53. Algebra, math,

    (a^6-b^6)/(a^4+a^2*b^2+b^4) simplify show work
  54. alGEBRA 1

    simplify show all work: radical m^13
  55. algebra

    simplify the expression show your work 3x(4x^4-5x)
  56. Algebra 2 URGENT

    Simplify: 1/u^2-2u-1/u^2-4 Please Show All Work!
  57. math

    simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2
  58. Algebra 1

    How do I simplify 5(-c+3a)-c(2c+1)? Show the work not just the answer so I actually get how to do it please.
  59. math

    simplify this expression and please show work. 2(3x+y)+5(x+2y)
  60. math

    simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2
  61. algebra

    Can someone simplify this equation: -6(5-2z)+5z=8z-3(16-3z) Please help, show all your work.
  62. Algebra

    Simplify the expression -5+i/2i I typed this problem into mathway and they told me the answer was 1/2+5i/2 but wouldn’t show me how they got it. They said to (“multiply by the conjugate and simplify”) but I have no clue on what the conjugate is and
  63. math

    Solve using the algebraic method. x+5=15 SHOW WORK thanx subtract five from each side. Do you have an allergy to showing work?
  64. math

    Solve the following algebraically. Trial and error is not an appropriate method of solution. You must show all of your work and write answers in rational form. 3 x + 7 = 9 Answer: x = 2/3 Show your work here: 3 x + 7 = 9 -7 - 7 3/3 x = 2/3 X = 2/3 b)
  65. free will baptiste

    i am trying to help my daughter with home work but don't understand question. Show 30, Broken Key is 3. Show several ways. if am able to solve one i can help her to the rest.
  66. algebra PLEASE HELP ASAP

    please show me the steps that you use to solve the problem. you can also use the comment field to explain the work. QUESTION: 1. what is the probability of selecting a red marble, replacing it, and then selecting a blue marble? show work 2. what is the
  67. essential mathematics 1

    simplify & show work 3/4 + 5/8 _________ = 3/4 - 1/2 Need help with this one
  68. Math

    Simplify. Please show all your work and explain. 6a^3b^2/10a^5b^4
  69. Math

    Simplify (7x8)-2x7+7 Need to show work
  70. algebra 2

    please help. Simplify the square root of 7/8y and show all work
  71. simplify w/radicals

    (3+4root(15))/(4-3root(15)) please show me your work
  72. ALGEBRA

    9/16-(-3/16) SUBTRACT SHOW ALL OF YOUR WORK SIMPLIFY tHIS IS WHAT I GOT. 9/16+3/16=12/16=3/4 IS WHT I got.
  73. Algebra 2

    simplify: -11a - 13b + 7a - 3b .. SHOW WORK !!
  74. algebra

    Given f(x)=x^2+4 and g(x)=3x+1 simplify g^-1(x)(inverse) please show work and explain
  75. algebra

    can you please help me with this so that i can do my other problems simplify and show alll work -4x^2-3x-(x-x^2+3)
  76. Algebra 2 URGENT

    Simplify: 2x+5/4x^2+2x-5/10x Please Show All Work!
  77. Algebra

    How do I perform the indicated operation and, if possible, simplify. And show all of my work? 7/12 + (-3/5)
  78. Math

    1. 2 / 9 + 1 /3 2. 1 / 7 + 3 /21 3. 2 /3 + 1/5 4. 1/4 + 2/3 5. 112 + 4 6 6. 1/2 + 2/ 5 7. 1/6 + 5 /12 8. 4/6 + 1/3 9. 1 / 5 + 1 / 8 10. 3/4 + 1 /9 11. 6 /12 + 1/3 12. 4 / 8 + 1/2 OMG help me please anyone and simplify and show all work.
  79. Algebra 2 URGENT

    Simplify: 2x+5/4x^2+2x-5/10x Please Show All Work!
  80. calculus

    prove that 5x - 7 - sin3x = 0 has at least one zero and prove that it has exactly one real zero. How am I supposed to show my work for this? I don't really understand how to show my work for the IVT. Without that I can't do any work for the MVT.
  81. math

    Simplify and show: 2a-6(10a)-5a^2(2) ----------------- (2a-6)^2 This is my work but its not right. 10a-10a^2 -------- 2a-6 Then solve for a by setting numerator to zero. so I got this... 10a-10a^2=0 10a(1-a)=0 a=0, a=1 My book says a=0, or a=6 why didn't I
  82. Math

    Simplify the following expression completely. Show your work. -2 (-y - 3) + 4y Answers: A. 6y -6 B. 6y + 6 C. 2y - 6 D. 2y + 6
  83. Math

    simplify the expression below,using the laws of exponents. (5^4 x 5^7)/ 5^8 Show your work. PLEASE HELP ME!
  84. algebra 2 help please would appreciate

    4/x+5/y divide 3/x+7/y simplify complex fraction thank you show work
  85. algebra

    simplify show all work -6a-4a^2-2(10a^2+3a) evaluate -10+x divide by 2(9-x^2) for x=-6
  86. Math

    Simplify the expressions in each pair. (2 marks each) (Show your work) i)f(x)=(x^2)-(x)-2/(x+1),g(x)=(x-2) ii) f(x)=(x^2)-(x)-12/(x+3), g(x)=(x^2)-(6x)+8/(x-2)
  87. algebra 2 help please would appreciate

    3+(2x/x+4) divide x/x+4 please simplify the complex fraction thank you show work
  88. Math

    Simplify the expressions in each pair. (2 marks each) (Show your work) i)f(x)=(x^2-x-2)/(x+1), g(x)=(x-2) ii)f(x)=(x^2-x-12)/(x+3), g(x)=(x^2-6x+8)/(x-2)
  89. Intermediate Algebra

    What is the square root of (-24).Simplify. Show work.
  90. algebra

    40y/88 explain what steps you took to simplify and show your work
  91. algebra

    Simplify. Answer should contain only positive exponents. Please show work. (3a^2)^3 Thank you!!
  92. Algebra

    21. simplify (2sqrt5+3sqrt7)^2 show your work. Been confused on it for a while.
  93. Math "Need Help Asap"!

    19. WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your
  94. algebra

    I NEED HELP SOLVING THIS PROBLEM ,PLEASE EXPLAIN AND SHOW HOW TO SOLVE the answer ."I HAVE 63 LITERS OF HYDROGEN PEROXIDE, HOW MANY TEST TUBES CAN I FILL IF EACH CONTAINED 7/8 OF A LITER?" PLEASE SHOW ME YOUR WORK. AND THANK YOU IN ADVANCED.
  95. Math

    19. WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your
  96. Math

    Simplify the expressions in each pair. (2 marks each) (Show your work) (x^2-2x)/(x+1)x (x^2-1)/(x^2+x-6) My work on simplifying the expressions x(x-2)/x+1 x (x+1)(x-1)/(x+3)(x+2) If I've gone wrong please help me understand where I went wrong and help me
  97. Math

    Simplify the expressions in each pair. (2 marks each) (Show your work) (x^2-2x)/(x+1)x (x^2-1)/(x^2+x-6) My work on simplifying the expressions x(x-2)/x+1 x (x+1)(x-1)/(x+3)(x+2) If I've gone wrong please help me understand where I went wrong and help me
  98. 6th grade math

    Find the value fir each expression. Show your work. (13.28 - 7.8) divided by 4. I have the answer in the back of my book and when I try to work the problem out I keep getting the wrong answer. The answer is supposed to be 1.345 I can get the 1.34 but I get
  99. Algebra

    1.Use the distributive property to simplify the expression. (-1)(4-c) Can someone show me how to work this out? I'm stuck. :C
  100. 7th grade

    Simplify each of the following expressions using the distributive property. need help please show work 5(x+y) -3(5+t)