1. Math Help.

    write an integer to represent a loss of 5 yards in football. –7 –5 5 7 Write the sum as a product, then simplify the product. (–8) + (–8) + (–8) + (–8) 2(–8) + 2(–8) = –30 4(–8) = –32 4(–8) = 32 5(–8) = –40 What is the value of
  2. Math.

    write an integer to represent a loss of 5 yards in football. –7 –5 5 7 Write the sum as a product, then simplify the product. (–8) + (–8) + (–8) + (–8) 2(–8) + 2(–8) = –30 4(–8) = –32 4(–8) = 32 5(–8) = –40 What is the value of
  3. Chemistry

    -CORRECTION- N2 + O2 --> 2 NO change in heat (delta H)= 43.2 kcal based on the reaction, which statement is true? a) 43.2 kcal are consumed when 1.00g of O2 reacts b) 43.2 kcal are consumed when 1.00g of N2 reacts c) 43.2 kcal are consumed when 1.00g of
  4. Physics

    A neutron causes the element 88X232 to change according to the reaction 0n1 + 88X232 ---->ZYA + . Identify the (a) atomic number and (b) atomic mass number of the daughter nucleus. (c) This product subsequently undergoes - decay, and its daughter does
  5. physics

    A sign with a mass of 1000.0 kg is suspended from a wall with a cable that is attached to the wall at a point 3 m above a horizontal beam that causes the sign to be a distance of 4 m from the wall. What is the tension in the cable?
  6. algebra

    Graph the system of inequalities x (lesser or equal to sign)2 y (greater or equal to sign)-2x+4 I am having trouble understanding what points to plot on the graph and also how the graph should be shaded (if at all).
  7. Math

    I'm so confused on distance formula, I know how to calculate it, but getting the final simplified answer is so confusing. Like so on some equations the final answer is just a regular whole number, others is a number with a square root like 3 -/2, or a
  8. QMB2100

    Chicken Delight claims that 90 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 70 orders revealed that 60 were delivered within the promised time. At the .02 significance level, can we conclude that less
  9. Managerial Economics

    I'm not sure I have the formulas correct for this problem and I do not know what the labor hours are.... Dimex Company, a sheet-metal mfg., estimates its long run production function is: 3 3 2 2 Q = -0.015625K L + 10K L where Q is the number of body panels
  10. Literature

    Can someone help me on this? its really urgent. what is Foil Character and Background Character? please don't give me the stage meaning just fiction. thanks. its really urgent.
  11. math146

    equation for subtract the result in C form the result in A ... is it C - A
  12. English

    Thank you for your help. Did you have a good weekend? I have some more questions. 1. Take time and look upward at night. 2. ___________ and look upward at night. (What other similar expressions can we use in the blank?) 3. Point your foot backward. 4.
  13. Word Problem- Algebra

    1. Multiply a number by 4, then multiply this product by 5, then you get 80 Whats the way to solve it, the equation. 2. Add 4 to a number, then subtract 5 from the sum, and you get 43 Whats the equation to solving that if anyone can answer either of those,
  14. math

    a company sells one of its product at Rs.12 per unit a year.its cost function is given by [c(x)=0.01x^2+8^x+7],where x represents the number of units.the number of units and the maximum profit for which profit function maximizes are:
  15. statistics

    Plymouth Rock Securities is interested in finding out if there is a relationship between the number of new clients brought into the firm by a broker and the sales performance of the broker. A random sample of 11 brokers' records are reviewed to determine
  16. algebra

    can someone explain how I would simplify (3a4 - 2a2 + 5a - 10)(2a4 + 4a2 + 5a - 2)? can anyone help? The #'s that come directly after a letter is the exponent. I just need help understanding how to simplify problems like this...
  17. Algebra 2

    1. What is the slope of the line perpendicular to y-6=-2x-4? 2. Simplify 8 ^1/3. In case that doesn't make sense the problem is simplify 8 to the 1/3 exponent. 3. Solve -5<2x-7<8
  18. math

    simplify 10p4 A. 210 B. 360 C. 5,040 D. 151,200 simplify 9c4 A. 126 B. 15,120 C. 5 D. 3,024
  19. accounting

    Lily Company had the following assets and liabilities on the dates indicated. December 31 Total Assets Total Liabilities 2009 $400,000 $250,000 2010 $460,000 $300,000 2011 $590,000 $400,000 Lily began business on January 1, 2009, with an investment of
  20. Children's Literature Question

    Which one of the following statements about poetry for children is True? 1. Literary standards for poetry are traditionally not as stringent as those for prose. 2. In good poetry,rhyme takes precedence over meaning. 3. Mother Goose rhymes are considered
  21. statistics

    I need an example of constructing a frequency polygon and have never used excel. I know what I'm supposed to put on the graph, I just don't know how to construct one on a computer.
  22. pre algebra

    solve the following system graphically. Check your solution. 3x+y=9 -2y=x-8 I know im supposed to put it in y=mx+b form but i don't know how to.
  23. math

    Solve the following matrices (I don't know how to do brackets so I will just use commas to separate the numbers and put them in different lines) A= 0, -2, 3, 1 -3, 1, 0, 4 0, 5, -2, -1 B= 1, -4 -2, 1 3, 0 C= -1, 0, 2 0, 3, 4 0, 8, -1 E= 1 2 3 4 F= -2, 5 3,
  24. Chemistry

    One of the questions on my worksheet asks: Litmus changes color between a pH of 5.5 and 8. This range is called.....BLANK. I don't really get what it wants me to put there--some help, please!
  25. English

    I'm writing a Precis of a book and it asks to to put the literary period and country I tried to look but I still don't really understand. Thanks
  26. Intermediate Algebra Simplify

    1/a + 1/c / a^2 - c^2 / ac I am kinda lost on this one. I have to simplify. any help?
  27. Math-simplify

    Can someone help me simplify this (2x/15)^2 / (.15-x/15)(.2-x/15) I end up getting this, 4x^2/x^2-17x+.003
  28. math

    How do you simplify this? 1/{(x/y)+1} multipy numerator and denominator by y. y (1)/y(x/y +1) then simplify y/1+x?
  29. math

    simplify the expression (4+7)x3 write the steps used to simplify.
  30. Algebra 2

    - Simplify: x^2+6x+8/x^2-2x-8 . Identify any excluded values - Simplify : x^2-36/x^2+6x * x^3+4x^2/x^2-4x-12
  31. math

    Can someone help me with this problem? multiply and simplify 4 1/5 x 10/21 x 9/20. I know after you simplify 4 1/5 it will be 21/5. What is the next step.
  32. math thanks for your help

    let f(x)=-4x+7. find and simplify f(n) f(n)=_____ simplify your answer
  33. Math- please help!!!

    please help me solve these problems! Thank you! 1. Simplify: (3p^5)(5p^2)+(7p^3)(2p^4) 2. Simplify: (6x^2-2xy+3y^2)-(4x^2-xy-y^2)
  34. algebra 2

    in absolute value i kno that a negative number then turns to positive...but wat if theres a subtraction sign is that included too? Example: (PARENTHESIS ARE THE ABSOLUTE VALUE SIGNS) (2-1) dont be too complicated plz and thank u!!!
  35. research

    A quantitative analysis method which aggregates a number of (similar) individual studies into a large data set from which to compute an over all “effect size” (based on similar study procedures and treatments) is commonly known as…?
  36. DBA

    A quantitative analysis method which aggregates a number of (similar) individual studies into a large data set from which to compute an over all “effect size” (based on similar study procedures and treatments) is commonly known as
  37. college physics

    How to do this problem? Compute the number of turns of wire on a coil whose resistance measures 15.5 ohms, and which is wound around a 2-inch diameter form in a single layer of 28 gage enameled copper wire.
  38. My Daughter Stacy needs help in math plz help!

    You have to find the x and y coordinates:(She doesn't get it and neither do I) 2x + y = 9 The question doesn't go with the equation. I suspect it is a plotting exercise Make a table x y Put in for x 0, 1, 4 Solve for each corresponding y. Then graph the
  39. English

    I¡¯m worried about my grandmother. 1. Why don¡¯t you visit her often and talk with her? 2. Why don¡¯t you take her to hospital? 3. Why don¡¯t you take care of her? 4. Why don¡¯t you ask your parents to bring her to your apartment? 5. Why don¡¯t
  40. Simplify Polynomials

    -3f^2+4f-3+8f^2+7ft1 3x^2+5x-5x^2-4x+5-2 Pleeaase help me! this is worth 4 points and I have my answers but they just don't fit the multiple choice answers.
  41. General

    I do not know what subject to put this uh ok how do I put this into one cell into microsoft excell into one cell - .49 m when i put "-" it thinks I'm entering a formula which is not what I'm tyring to do i want negetive .49 m m being meters into one cell
  42. language expression

    choose the word or phrase that best completes the sentence.my answers are all at the bottom 1)Vito ______ river rafting next week. A)had gone B)is going C)has been going D)will have been gone 2)there_____many bicycles for sale in this shop. F)is G)are
  43. accounting

    a drug company has a monopoly on a new patented medicine. the product made in either of two plants the cost of production for the two plants are MC1=10+2Q1 and MC2=25+5*Q2. the firms estimate of demand for the product is p=2000-3(Q1+Q2). how much should
  44. economics

    # Choose a product you have purchased in the past month from a grocery or home improvement store. # Describe how each of the 4 factors contributed to the elasticity of the good. # Is the product considered elastic, inelastic, or unitary elastic? # In a few
  45. math

    The two figures are similar, solve a proportion to find the length n. Express the result as either a whole number or use decimal digits only if necessary. * * * * * * 15 cm 12 cm * * n 9 cm * * * * * * * * ** * * * * * * * ** * * * * * * * * *
  46. Math

    Pick any single digit number. Multipy it by 12,345,679. Then multiply the result by 9. What happens? Explain why this works.
  47. math

    The two figures are similar, solve a proportion to find the length n. Express the result as either a whole number or use decimal digits only if necessary. * * * 15 cm 9 cm * * * * * * * * * * * * * * 12 cm * * n * * * * * * * * * * * * * *
  48. math

    The two figures are similar, solve a proportion to find the length n. Express the result as either a whole number or use decimal digits only if necessary. * * * 15 cm 9 cm * * * * * * * * * * * * * * 12 cm * * n * * * * * * * * * * * * * *
  49. Maths

    Five coins are tossed 320 times find the frequencies of the distribution of number of heads and tabulate the result
  50. Math

    The following are the first four terms of a sequence: a, a (1/b),a(1/b(1/b),a(1/b)(1/b)(1/b) where a is a positive integer. Is the eight term positive or negative? explain So the sequence could be seen as {a/b^(n-1): n=1,2,3...} I hope you can see that the
  51. language arts

    she needed a hook a line that would make the audience feel singers isolation. Q. what is the meaning of the word isolation as it is used in this sentence A. being alone b. being angry c. being restless d. being confused i don't understand so can You Give
  52. mathematics

    1. you toss three coins. what is the probability P that all are heads? 2. write and simplify an expression for the perimeter of a triangle with these lengths: 1/2x, x, 5/4x for number one, i think it might be 1/8 i'm not sure.. please help!!
  53. Data management

    1) consider the number of grid paths from the orgin in a coordinate graph to each of the following points: a) (4,7) b) (3,7) c) (4,6) 2) simplify: (n-r)! / (n-r+1)! 3) solve (n+2)!/ (n-1)! = 210
  54. physics

    You meet a person with prescription glasses of +1.74 dpt. What is the near point of this person? Express the result as a positive number! Hint: the near point of a healthy person is 25 cm. An object placed at this distance will form an image at the near
  55. English

    1. It is five stops from here. (What does 'it' refer to? Is 'for' missing before 'five stops'?) 2. That makes two of us. (What is the meaning of this expression?) A: I don't like this movie at all. B: That makes two of us.
  56. sentences

    Please note that we don't do students' homework for them. Once YOU have tried to write a sentence for your assignment, please re-post. Then someone here will be happy to give you feedback. =) who can you put a sentence that has including eveyone including
  57. Algebra. NEED HELP ASAP PLEASE

    After 2009 the sales of new cell phones without cameras began declining. The number of people y (in thousands) who bought a cell phone without a camera can be estimated by the equation y=−30x+270 y=-30x+270, where x is the number of years after 2009.
  58. algebra 2

    How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010 at 1:47pm so is the answer f=21/2? if that
  59. algebra 2

    How is this problem done? IF f(x)=2x^2-8x-3 FIND f(-2) algebra 2 - bobpursley, Saturday, January 16, 2010 at 1:42pm Put in for x the value -2, and compute f(-2) algebra 2 - hellogoodbie, Saturday, January 16, 2010 at 1:47pm so is the answer f=21/2? if that
  60. IT 221

    I need help with this one because I don't even know where to start. I need to use microsoft project to develop a work breakdown structure (WBS) for my project. ok I tried going into Microsoft project put I just don't know how to organize it, and i can't
  61. math

    The river rose 4 feet above flood stage last night. If a= the river’s height at flood stage, b= the river’s height now (the morning after), which equations below say the same thing as the statement? Explain your choices by translating the equations
  62. Grammar

    1.Each modal has one agreed meaning 2.Modals are conjugated in the same way as other auxillaries 3.modals influence sentence form, but not meaning. Answer madals are conjucated in the same way as other auxillaries
  63. proverb

    What is the meaning of this proverb?: "He who is afraid of the leaves must not go into the forest." Maybe it has the same meaning as she who fears rejection should never fall in love. Sometimes to reach our goals we have to overcome the fears in reaching
  64. Math

    Just by reading the steps I am lost please if someone can help me i am studying for a quizz on Friday but I want to undestand . All I understand is the meaning I can see any expression multiplied by 1 is equivalent to original expression but I am lost with
  65. Language arts

    What is the error in the following paragraph? Advertisers use many tricks to get people to buy their products. Some people will buy anything that is on television. One such trick is called the bandwagon technique. It could also be called the "Everybody
  66. Spanish (Please help me)

    This is my assignment: Imagine you are babysitting your little brother. Write a total of 5 Spanish sentences using tú commands telling your little brother what to do. Write 3 sentences using regular verbs. Write 2 sentences using irregular verbs. You can
  67. Algebra

    If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both the equation and the inequality?
  68. American Sign Language

    i need your help on my homework i need to check grammar and spelling in my American Sign language Paper can you help me with it.
  69. physics

    A boy weighing 4.2 102 N jumps from a height of 1.80 m to the ground below. Assume that the force of the ground on his feet is constant. (a) Compute the force of the ground on his feet if he jumps stiff-legged, the ground compresses 2.20 cm, and the
  70. Physics

    A boy weighing 3.9 102 N jumps from a height of 2.15 m to the ground below. Assume that the force of the ground on his feet is constant. a) Compute the force of the ground on his feet if he jumps stiff-legged, the ground compresses 1.80 cm, and the
  71. To Ian

    I've removed your post because you put your email address in it. That's not a good or safe thing to do online. If you wish to re-post your question, that's fine. Just don't include any personal information, such as your full name, email address, etc., if
  72. Math

    Becky found $2.00 in her back pocket when she got dressed this morning. She went to the grocery store with her mom and bought a large bag of Skittles. When she got home, she sorted them by color. The chart below shows how many of each color she had. Red 20
  73. Hi (I know I asked the same thing)

    Which is a true statement? 6.52 < 6.5 -2.8 > -3.5 -11.1 > -10.7 -7.75 < -8.45 Okay, So I'm stuck. I'm thinking its D? The negatives are really confusing me, I forgot to add the negative sign to the answers last time. Do I look at it like it
  74. Math

    I have a question that I answered and I'm not sure that it is right. Here is my question: Use a calculator to help you write the prime factorization of 51,051. Here is my answer: If the sum of the digits of the number is divisible by 3, then 3 is a factor
  75. Chemistry

    In this experiment 4.0g of ferrous ammonium sulfate is used. Assuming everything else is added in excess; calculate the theoretical yield of the iron complex. Work through the entire reaction sequence; do not simply assume the number of moles of limiting
  76. Pre-Algebra

    Write the expression for a number used as a factor fifteen times being multiplied by the same number used as a factor ten times. Then, write the product as one power. Thanks, Michaela
  77. pre algerbra

    question: write the expression for a number used as a factor seventeen times being multiplied by the same number used as a factor fourteen times.then write the product as one power?
  78. Pre-Algebra

    Write the expression for a number used as a factor fifteen times being multiplied by the same number used as a factor ten times. Then, write the product as one power. Thanks, Michaela
  79. math (transition)

    i need some help figuring out this question 2 3/5c - 1/2 > 3/10
  80. Math

    I need help with figuring out the equation 5(2x+3)-8x=7 5(2x+3)-8x=7 10x+15-8x=7 2x+15=7 2x=7-15 2x=-8 /2 /2 x= -4 uh -8/2=-16 yes?
  81. Math

    Prove that if A∩B = A∪B then A=B. Having troubles figuring this one out.
  82. algebra

    I am having trouble figuring this out. ADD (r - 6s + 3) + (7r + 5s) + (s+5)
  83. math (transition)

    i need some help figuring out this question 2 3/5c - 1/2 > 3/10
  84. Math

    I need help figuring out the unit rate for $5/3. Please help, :D
  85. language arts

    Choose the meaning that best matches the meaning of the patron A wealthy museum patron funded the construction of a new wing architect supporter artist celebrity is it supporter? Thanks!
  86. English

    The title "another evening at the club" is close in meaning to "just another evening at the club" given the events of the story, what is the significance of this meaning? I need help explaining this. I have no idea how to word it
  87. English

    The title "another evening at the club" is close in meaning to "just another evening at the club" given the events of the story, what is the significance of this meaning? I need help explaining this. I have no idea how to word it
  88. Math SCREAMING for HELP

    Use the quadratic formula to slove the equation. x^2-x=-7 This is what I have got so far and I do not think this is right: x=1(-1)±√-1^2-4(1)(7)/2(1) x=1±√1-4(7)/2 x=1±√-21/2 x=1±-21/2 and here I am lost! Use rational exponents to
  89. math

    Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for
  90. math

    Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful long-term trends and offer investors unparalleled potential for
  91. Physics

    A shot putter puts a shot (weight=70.3N) that leaveshis hand at distance of 1.51m above the ground. (a) Find the work done by the gravitatiob force when the shot has risen to a height of 2.10m above the ground. include the correct sign for work. (b)
  92. Physics (Electric charge for charged rods)

    I need help with this question, please. What is the direction of the force between (a) two particles whose charges are the same sign and (b) two particles of opposite sign? (c) What happens to the magnitude of the force when the distance between two
  93. Math

    1. use the suitable product-to-sum formula to rewrite the following expression: sin(13x/2)sin(5x/2) 2. Find value of cos(255degrees)cos(105degrees) is it 1/4? 3. cos(pi/12) - cos(5pi/12) root3/4? 4. Use the appropriate sum-to-product formula to rewrite the
  94. Science

    My granddaughter has to do a project about a product she would create and test we've decided on the safetyof white paper napkins vs dyed ones I don't know where to begin please help
  95. vector

    For any two numbers a and b, the product of a−b times itself is equal to a2−2ab+b2. Does this familiar algebraic result hold for dot products of a vector u − v with itself? In other words, is it true that (u − v) • (u − v) =
  96. Math

    A home owner goes to the hardware store to purchase the letters that make up a number for a sign he is making, (e.g., F-O-U-R, N-I-N-E, etc.). When he arrives, other customers are doing the same thing. The first customer buys the letters to display ONE,
  97. math

    A home owner goes to the hardware store to purchase the letters that make up a number for a sign he is making, (e.g., F-O-U-R, N-I-N-E, etc.). When he arrives, other customers are doing the same thing. The first customer buys the letters to display ONE,
  98. program design

    Create the logic for a program that continuously prompts a user for a numeric value until the user enters 0. The application passes the value in turn to a method that computes the sum of all the whole numbers from 1 up to and including the entered number.
  99. Chem

    Chloroform, CHCl3, was once used as an anesthetic. In spy movies it is the liquid put in handkerchiefs to render victims unconscious. Its vapor pressure is 197 mmHg at 23 degrees C and 448 mmHg at 45 degrees C. Estimate its a) heat of vaporization b)
  100. Math

    Find the probability of the following event: tossing a coin tails up or rolling a number less than 4 on a number cube. I got 1/2 + 3/6 and got 1. The answer is 3/4. I don't understand what to do. Please help.