1. Math

    Ed is thinking of. number. If he adds four to his number, the result is less than 6. Write and solve an inequality about Ed's number
  2. math 140

    If 5 is added to a number the sum is tripled, the result is 31 more than the number. Find the number.
  3. Math

    when the square of a number is increased by 10, the result is seven times the original number. find the number
  4. algebra

    When three times a number is added to the square of the number,the result is ten,find the number.
  5. Algebra

    1/3 of a number is added to 5. the result is one and half times the original number.find the number.
  6. fundamentals of math

    if 3 is added to a number and this sum is doubled, the result is two more than the number. Find the number.
  7. Algebra

    I don't even know where to start with this problem... i'm supposed to simplify it but i don't get how, please help! 12e^x / e^4x I would really appreciate the help, thank you!
  8. algebra

    when the difference of a positive number and two is multiplied by the sum of the number and 9 and the result is 7 find the number i just need help setting this up i can do the work myself heres what i did: 9(x-2)=7 but im sure im wrong.
  9. chemistry- proofread n help

    wrote the names for the following compounds Li3N i puit Lithium Nitride FeS i put ion Sulfide KCI i put Potassium Chloride CoSO4 i put Cobalt Sulfide SrBr2 i put Strotium bromide NCI3 i put Nitrogen trichloride Ga2O3 i put Galium Trioxide and H3PO3 i put
  10. maths

    two numbers are in a gp,twice the product of the 1st two numbers is 9times more than the product of the last two numbers.if the product of all the number is 9.find the gp.
  11. Algebra 1 Answer Evaluation (Reiny)

    Evaluate each expression for the given value(s) of the variable(s). 1. t^6 for t = 2 A: 1/64 2. r^0s^-2 for r = 8 and s = 10 A: 1/100? Simplify. 3. x^4/x^-6 A: 1/x^4y^6? Or x^4y^6? 4. a^-3/b^-2 A: 1/a^3b^2? Or a^3b^2? 5. The lead in a mechanical pencil has
  12. vocabulary

    zestFUL remorseFUL A) result of B)place for C)capable of D)filled with i think its c choose the word or phase that gives the best meaning of the underlined prefix or suffix.
  13. Pre calc

    Perform the indicated operation and simplify the result Tanx(cotx-cscx)
  14. algebra

    how to simplify these expressions using positives exponents to express the final result 6-3= 5XO= (2x)-1=
  15. linear algebra

    show that if u dot v = u dot w for all u, then v = w. You can use the result of the previous problem: http://www.jiskha.com/display.cgi?id=1184622247 Linearity of the inner product implies u dot v = u dot w -----> u dot(v-w) = 0 This is true for all u,
  16. chemistry SERIOUS HELP N PROOFREADING

    ok it says give the formula for this one Hydronitric acid, I put H3N For Iron (III) chloride I put Fe3Cl Silver acetrate i put AG1C2 Ca(OH02 i put calcium oxide for CCL4 I had no clue Mercury (II) oxide i put HG2O NaClO3 I put Sodium chlorate for (NH4)2SO4
  17. Geometry

    find 1 counter example to show the each conjecture is false. that means prove the follwing statment false. The product of 2 positive numbers is greater than either number. ok so I know product means to multiply but if you multiply you get a bigger number .
  18. Statistics

    Suppose X1;X2;...;X5 is a random sample from a n(0; variance) distribution. define U = X1+X2+X3+X4; V = (X2)^2+(X3)^2+(X4)^2+(X5)^2 and W = U/sqrtV. (a) Name the distribution of U/4 and V/(variance) and give the values of their parameters. (b) (i) Compute
  19. Chemistry

    I have a few question about an equilibrium lab we performed. Approximately .1 g of CoCl2 * 6H2O was mixed with 2 mL of 12 M HCl. The solution turned blue. Then, water was added and stirred into the solution in 2 mL incriments until no further color change
  20. math

    when will a product be positive regardless of the number of factors? & when will a product be negative regardless of the number of factors?
  21. Calculus

    There is a sign that is 10ft on one side and 15ft on the other side (from the ground to the base of the sign), the billboard itself is 20ft. The painter brings a 25ft ladder in length. If the patch of ground 10ft from the base of the sign is used, at what
  22. Math

    Ok so in class this is what our teacher had us do.... 1.Pick a number to represent the number of times you would like to have chocolate in a week (more than once, but less than 10 times). 2.Double this amount (just to be bold). 3.Add 5. 4.Multiply the
  23. geometry

    abcd is a rectangle such that ab=-3 radical sign 48+2 radical sign 75+4radical sign108 and Bc=4 radical sign 27 +radical sign 300 prove that abcd is a square
  24. Number Theory

    Yan was opening a new restaurant, so she went to the sign store to get letters to make a sign to hang above the storefront. When she got to the sign store, the only letters they had in stock were two copies of the letter 'X,' two copies of the letter 'E,'
  25. College Math

    Nick received a $7000.00 raise. If his previous salary was 55000.00, what was the percent of increase in salary? I put the answer as (A) 13%. The other possible answers are: (B) 1%, (C) 8%, (D) 14%. If my answer is not correct, Could please tell me what
  26. Math

    What is the domain of the function below? f(x) = (x + 4)^2 - 4 A. (-infinity sign, -4] B. [-4, infinity sign) C. [0, infinity sign) D. (-infinity sign, infinity sign) I believe the answer is either A or B, can someone please help me?
  27. ECON

    I am working on this but, if I have part a and b wrong, all of the following question related will be wrong. Can you help me out? The market for product A has the following functions: Market demand Q=1,000-4P Market supply Q=1/2P Inverse market demand
  28. Honors Chemistry (check answers)

    On a worksheet we got, we have to balance out chemical reaction equations then define what kind of reaction it is (synthesis, decomposition, single/double-replacement). Would someone be willing to check my answers, please? Thanks!! 1. c) BaO + H2O ==>
  29. Physics

    A 20 kg sign is pulled by a horizontal force such that the single rope holding the sign makes an angle of 21 degrees with the vertical. Assuming the sign is motionless, find magnitude of the tension in the rope.
  30. Inter. Algebra

    Count Iblis what is the answer to 2 square root sign 18x? The instructions say to simplify or reduce. 2*(18x)1/2= 2*(9*2)1/2= 2*3(2)1/2= 6*(2)1/2 If you can leave it in this form, the above is the way to end. If you are to continue to a final answer, then,
  31. English

    1. The sign on the bridge said, "Danger! Low bridge." 2. The sign on the bridge said "Danger! Low bridge." ---------------------- Which one is correct? Do we have to put a comma after 'said'? Or are both okay?
  32. Early Childhood

    What is the most important difference between consequences and punishment? a. Punishment is often late. b. Consequences are not as bad as punishment c. Consequences are a result of the child's actions. d. Punishment is the result after the action. I chose
  33. simplify the expression

    14^-4 (-8x)*3x^2 I don't understand these the answers I'm getting don't match.
  34. 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
  35. solving Equations

    Solve x square pluse 5x subtracting by 6 equals zero? X^2 + 5x - 6 = 0 Solve by factoring. 3 and 2 will do it. heres the right answer.... (x-1)(x+6)=0 x=1 x=-6 Let's see if that is the right answer. The first number is the product of the first two numbers;
  36. math

    how do you add and subtract + and - numbers? Is there a rule? Yes. The adding rule is this: If the signs are the same, add the numbers directly, then use the sign of the numbers. If the signs are different, Subtract the smaller from the larger, and use the
  37. math

    if one sixth of a number is added to one eighth of the same number, the result is 35. find the number?
  38. Math

    When 1 is subtracted from 5 times a number and a result is divided by 3 more than twice the number we get 4/5.find the number.
  39. Pampers

    A number is multiplied by 4 and 6 is subtracted from it . The result is the same as when the number is increased by 15. Find the number
  40. Maths

    If 12 is subtracted from three times a number the result is equal to two-thirds of the number plus 16.What is the number
  41. math

    When 100 is added to a number , the result is 50 more than 3 times the number. Find the number
  42. Math

    When seven times a number is added to the square of the number the result is 18. Find the number.
  43. math

    14 is added to 2/3 of a number.the result is 1 1/4 times the original number.find the number
  44. Math

    When 100is added to a number the result is 50 more then 3 times the number.find the number
  45. math

    when I add a number to another number four times as big, the result is 30. find the first number.
  46. Mathematics

    When hundred is added to a number, the result is 50 more than 3times the number . Find the number
  47. Maths

    If 12 is subtracted from three times a number the result is equal to two-thirds of the number plus 16.What is the number
  48. Maths

    When 100 is added to a number,the result is 50 more than 3 times the number find the number
  49. Pampers

    A number is multiplied by 4 and 6 is subtracted from it . The result is the same as when the number is increased by 15. Find the number
  50. Math

    14 is added to ⅔ of a number. The result is 1¼ times the original number. Find the number.
  51. Maths

    When 100 is added to a number the result is 50 more than 3 times the number . Find the number
  52. Chemistry

    A store owner would like to install a red illuminated sign. However, when she goes to purchase the sign, the list only includes the types of gases used, rather than the colors they produce. Which gas (H, Kr, He, Ne, Xe, or Ar) would you suggest she buy? In
  53. math

    Simplify the following, state the answers with a rational exponent: (radical sign) 5^10 the 5^10 is under the radical
  54. Geometry

    In a certain game, a player throws a standard 6-sided number cube twice per turn. What is the probability that the result of the first throw will be a 1, and the result of the second throw will be greater than 3?
  55. chemistry

    Am doing a lab report on the determination of the product of a redox reaction: the reaction of bromate and hydroxylammonium ions. here is the lab Experiment: In this experiment you will determine the equation of a redox reaction by the use of experimental
  56. statistics

    when figuring mode, mean and median do you add all the like figure such as days and no. of discharges? you don't just add all the numbers up together right?
  57. math

    i have a big math quiz today on these terms plz help me meaning of a ratio that compares two quantities measured in different units meaning of the rate for one unit of a given quantity meaning of found by multiplying the denominator of one ratio by the
  58. algebra... help soon please

    i cannot figure any of this stuff out. please help. if you can there are 15 more of these... 1. Simplify 5 + (7-1)2/6 A11 B41/6 C51/6 D7 E17/6 F23 2. Simplify (26/2 + 33)/(23) A11/3 B5 C20/3 D8 E6 F131/8 3. Simplify [7+2(5 - 9)2]/[(4+1)2 - 3(22)] A-23/2
  59. algebra

    i cannot figure any of this stuff out. please help. if you can there are 15 more of these... 1. Simplify 5 + (7-1)2/6 A11 B41/6 C51/6 D7 E17/6 F23 2. Simplify (26/2 + 33)/(23) A11/3 B5 C20/3 D8 E6 F131/8 3. Simplify [7+2(5 - 9)2]/[(4+1)2 - 3(22)] A-23/2
  60. math

    Paul multiplied the sum of three and a number by three. This result was equal to fifty four plus twelve times the opposite of the number. What was his number? please explain and show work.
  61. Calculus

    Evaluate the following expression: d/dx (integration sign: upper=1 and lower= -3) (2t^3 + 3)dt = I am given the following options: 2t^3 + 3 56 5 -28.0 None of the above Would the result of the expression be 0 or 5???
  62. math

    Given 1/3 Y÷1/2 X=4 Discuss its meaning. Create a shape for X and for Y that will make this true. Draw and label the shapes, then illustrate how the quotient was obtained. Your drawing must be neat and accurate. Can individual pieces of a traditional
  63. math

    Given 1/3 Y÷1/2 X=4 Discuss its meaning. Create a shape for X and for Y that will make this true. Draw and label the shapes, then illustrate how the quotient was obtained. Your drawing must be neat and accurate. Can individual pieces of a traditional
  64. logic

    Given 1/3 Y÷1/2 X=4 Discuss its meaning. Create a shape for X and for Y that will make this true. Draw and label the shapes, then illustrate how the quotient was obtained. Your drawing must be neat and accurate. Can individual pieces of a traditional
  65. Math

    I need to express the following in equivalent form: m-2/m^2-5m+6 , 2x+6/x^2-6x-27 , a^2+a/a^2+2a+1 , 2w+1/2w^2+2w+1 , 8Z+6Z^2/9z^2-16 I really don't understand how I can do this if the denominator is smaller and I just don't see how I can simplify since I
  66. Algebra 1

    I need some help please. I don't understand the math that we are doing. Please explains to me in detail how to do radical expressions and like how to simplify them and stuff. I don't get it and it would be much appreciated
  67. Math

    In economics, the demand for a product is the amount of that product that consumers are willing to buy at a given price. The quantity demanded of a product usually decreases if the price of that product increases. Suppose that a company believes there is a
  68. math

    simplify the following expressions involving complex numbers. (3+2i)-(-7-i) is i like x? and how would this work i know that you do this: (3+2i)(7+i) to get rid of the sign between the expressions. but then what?
  69. math

    problem remove parentheses and simplify 5x-(2x+7) I am getting 3x+7 is that wrong? The - sign carries through to both terms within the parentheses, so: 5x-2x-7 3x-7 I get it thank you
  70. math

    simplify the following expressions involving complex numbers. (3+2i)-(-7-i) is i like x? and how would this work i know that you do this: (3+2i)(7+i) to get rid of the sign between the expressions. but then what?
  71. Algebra

    How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation and put an inequality sign in its place, is there ever a time when the
  72. Algebra

    How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation and put an inequality sign in its place, is there ever a time when the
  73. English

    Posted by rfvv on Wednesday, February 1, 2017 at 7:59pm. 1. I totally disagree with you. 2. I completely disagree with you. 3. I entirely disagree with you. ( Do they mean that I don't agree with you at all?) (Are they grammatical? What is the difference
  74. CHEMISTRY

    Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of
  75. CHEMISTRY

    Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of
  76. vocab

    A result from being multiplied A. Product B. Quotient C. Multiplier D. Expression a
  77. math

    when two numbers are multiplied,the result is called the product? true right
  78. math

    The product of the first five terms of a geometric progression is 32. If the fourth term is 17, compute the second term.
  79. trigonometry

    simplify sin7x-sin3x as a product of trig functions.
  80. Math 213 Elementary Math

    20. Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works.
  81. Math

    What is my number? clue 1. my number is a multiple of 2 and 7 clue 2. My number is less than 100 but larger than 50. clue 3. My number is the product of three primes, which are all different. Can some one tell me how to work this problem? Well, let's look
  82. Math

    Two fair dice are rolled. Let X equal the product of the 2 dice, compute =  for  = 1,2,…,36
  83. Math urgent

    explain how to compute the xy term of the product (3x-4y)^2? if possible with solution please.... its urgent
  84. College algebra

    Use descartes rule of sign to determine the possible number of positive real zeros and possible number of negative 6x^5-6x^4+7x^3-8
  85. Pre-Calc (ugent!!!)

    If a number is selected at random from the set of all five digit numbers in which the sum of the digits is equal to 43, compute the probaility that this number is divisible by 11.
  86. logic

    Ali and Zoe reach into a bag that they know contains nine lottery balls numbered 1-9. They each take one ball out to keep and they look at it secretly. Then, they make the following statements, in order: Ali: "I don't know whose number is bigger." Zoe: "I
  87. Annuities

    Jany frost wants to receive yearly payments of 15000 for 10 years. How much must she deposti at her bank today at 11% intrest compounded annually? This is what i got here and i don't think it is right. Please can anyone help me out here. 15000 n= 10x1=10
  88. math

    1. What is the sum of 5/6 + 2/3? 2. Sue needs 2 1/3 cups of flour for a batch of cookies. How many complete batches can she make with 10 cups of flour? 3. Which of these numbers is irrational? a. .25 b. 1/5 4. Solve 1/6 / 2/6 5.What expression is
  89. Chemistry

    Can PbCO3 + AgNO3 yield any product? Or do these two not react? If they don't react, can you please explain why? If they do, what is/are the product(s) and the balanced equation?
  90. math

    Perform the indicated operation. Simplify the result, if possible. 11 - \frac{5}{4x-5} would you multiply the denominator to both sides and get the answer?
  91. Chem, could someone cheak my work please.

    I did this experiment where I filled a graduated cylinder with water. The I put a stopper on it and put it under water and removed the stopper. The with a modified lighter (that wouldn't release sparks) I added butane gas. I got the following results: mass
  92. Math

    1.Pick a number to represent the number of times you would like to have chocolate in a week (more than once, but less than 10 times). 2.Double this amount (just to be bold). 3.Add 5. 4.Multiply the result by 50. 5.If you have already had your birthday this
  93. I need help!

    1. Write a ratio and a percent for the shaded area. A 6x6 grid with 12 blocks shaded i don't want the answer i just need help figuring this out.
  94. physical science

    calculate the molar mass ofthe substance. divide it by Avogadros number (6.02x10 to 23 power) .)Hydrogen2 2/(6.02 x 10^23) = ?? hun i don't get it the teacher said first H2x1.00 and then (6.02xio^23) but i still don't get it can you help? I assume you
  95. physics

    an electric sign weighing 200 newtons is supported by two slanting cables. each cable is attached to the same point of the sign and makes a 45 degree angle with the horizontal. what is the component of the force exerted by the sign along each of its
  96. Math 9

    use exponent rules to simplify. Write as a single power, don't need to find the value. [ (11/20)^4 x (11/20)^-8]^5 and (11/20)^-6 you cant leave an number to the power of a negative exponent. You have to change it like this ex : 2^-3 = 1/2^3 = 1/8
  97. Math

    1. 5h – 9 = –16 + 6h (1 point) 4 –7 7 10 2. 4x + 4 = 9x – 36 (1 point) –8 –7 8 –3 3. Which of the following equations has an infinite number of solutions? (1 point) 3x – 3 = –4x 2y + 4 – y = 16 7x + 5 = 4x + 5 + 3x 6y – 2 = 2(y – 1)
  98. Grammar and Composition

    What is a good synonym for the word 'lief'. The meaning of this word is gladly or willingly. As in: I would as lief go south as not. I can't find a synonym for the word, and I don't want to use the words in the meaning as the synonyms.
  99. Chemistry

    Determine the entropy change when 1.80 mol of HBr(g) condenses at atmospheric pressure? I got that DeltaS fus = 12.922J/(k*mol) Delta S Vapour = 93.475J/(K*mol) the only thing I don't get is the entropy change when 1.80 mol of HBr(g) condenses at
  100. Biology

    I had a Bio lab about gel electrophoresis and PCR. for each lab, we have to make up thoughtful, detailed questions. You don't have to answer the questions so please don't go through the trouble by answering them. The first question is about something we