1. 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.
  2. 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)
  3. Physics

    I got part a but I'm having trouble figuring out b... I know the formula should be something like: T=2pi/omega and omega=sqrt(k/m) but how am I supposed to find T when I don't know k or m?? A pendulum has a period of 2.4 s. a) What is its length? l = m *
  4. Algebra

    1.Solve (x)/(x+10)+(x-3)/(x+2)=7/5..I got that there is no solution, is that correct? 2. Solve (x)/(x-5)+1=(5)/(x-5)..I got that there is no solution for this one too, is that correct? 3. Express your result in simplest form, (4)/(xy)+(6)/(xy)..I got
  5. Chemistry

    Which one of the following combinations of reagents will result in a spontaneous reaction? A) Al(s) + CuCl2(aq) B) Al(s) + CaCl2(aq) C) Zn(s) + CaCl2(aq) D) Cu(s) + ZnCl2(aq) I know the answer is A, but what I don't know is why, or how to figure this out.
  6. Accounting

    Rexford Company manufactures finger splints for kids who get tendonitis from playing video games. The firm had the following inventories at the beginning and end of the month of January. January 1 January 31 Finished goods $126,000 $117,000 Work in process
  7. statistics

    At the start of December 2001, the retail price of a 25kg bag of cornmeal was $10 in Zambia, while by the end of the month, the price had fallen to $6. The result was that one retailer reported an increase in sales from 3 bags/day to 5 bags/day. Assume
  8. Math

    1A piece of fabric 3/10 of a meter long was but from a bolt that held 9/10 of a meter of fabric.How much fabric was left on the bolt? Express your answer in simplest terms 7/10 2Add.Simplify 5 3/16+2 7/16 7 5/8 3Subtract.Simplify 5-2 1/2 I don't know how
  9. Algebra 1

    The function A = A0e-0.01386x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 500 pounds of the material are initially put into the
  10. economics

    A country may have the absolute advantage in the manufacture of a certain product, but still import that product from abroad. Does this make sense? Explain. Yes, it makes. A country (or persons for that matter) will produce goods where they have a
  11. Math (URGENT)

    Expand and simplify. 12-2(3y-2)(3y+2)-(2y+5)(2y+5) Textbook Answer: -22y^2-20y-5 I don't know how to get that. Can someone show me the step by step process? thank you very much.
  12. Algebra II

    Simplify: x^5*x^pi Answer: x^8.14 Is this correct? I know that this is a repost of a question I posted yesterday, and I appreciate Damon looking at it, but I don't think I was clear in my typing of the question. Thanks.
  13. English

    I can't find on the web how to quote an article from the New York Times that appeared on the web--the catch is it has a column name This is the info: Title: Is College Worth It? Clearly New Data Say Author: David Leonhardt Column Name: The Upshot
  14. Math Qs. Check!!!!!!

    Jake puts pennies into a jar each morning and lets his brother take haft of the pennies out each morning. Jake put 10 pennies into the empty jar on Monday morning. On Tuesday he put in 15 pennies. One Wednesday he put in 12 pennies. How many pennies are in
  15. critical thinking

    Which of the following correctly describes connotation? A. An implied meaning of word understood by language users B. The pronunciation of a word C. The meaning of a word that has never changed D. A new word added to the dictionary my answer is a.
  16. LEARNING SKILLS

    What is the main value of knowing the general meaning of a word's prefix or suffix? A. You can sort out adjectives from adverbs. B. You can tell if the word is a verb or a noun. C. You get clues as to a word's meaning. D. You will be better able to spell
  17. pre - CALCULUS

    The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is 𝑡 W(t) = {33 −
  18. Geography

    What is it mean when it says "Your task is to create a digitl product, that helps explain your personal culture. Use the following : Appearance, Beliefs, Communication, Dates, Entertainment, Food, Government, Housing, Information, Jobs, Kind of
  19. Math

    How would you start to simplify: a^4-256 I know that 4^4=256, but I don't know what to do with this ..
  20. MATH

    1. A factory manufactures two products, each requiring the use of three machines. The first machine can be used at most 60 hours; the second machine at most 30 hours; and the third machine at most 80 hours. The first product requires 2 hours on machine 1,
  21. List of Rights

    Metis list of rights-1869 These were the older rights. And I don't understand many of them, please simplify for me. That treaties be concluded and ratified between the Dominion Government and the several tribes of Indians in the Territory to ensure peace
  22. Statistics

    A certain organization recommends the use of passwords with the following​ format: consonant comma consonant, consonant comma vowel comma consonant comma vowel comma consonant comma number comma number consonant, vowel, consonant, vowel, consonant,
  23. Calculus

    Let f(x)= abs of negative abs of x + pi/2 close abs and g(x)= abs of cosx. the wording might be confusing so here is another description of the equation (the "vertical line" that I refer to is the line you draw as you draw the absolute value sign...for
  24. trig

    6. Compute the modulus and argument of each complex number. I did a-c and f. D. -5 E. -5+5i G. -3-4i 7. Let z= -5sqrt3/2+5/2i and w= 1+sqrt3i a. convert z and w to polar form b. calculate zw using De Moivres Theorem c. calculate (z/w) using De M's theorem
  25. algebra

    Simplify the expression (square root 100 over 49) a. 10 over 7 ** b. 17 c. 5 over 7*** d. 20 over 7 which sum will be irrational? a. 3+2 b. square root 19 + 7 over 2 *** c. 18 over 3 + 11 over 10,000 d. -6 + (-3.251) which product will be rational _ a.
  26. algbra

    Simplify the expression (square root 100 over 49) a. 10 over 7 b. 17 c. 5 over 7*** d. 20 over 7 which sum will be irrational? a. 3+2 b. square root 19 + 7 over 2 c. 18 over 3 + 11 over 10,000** d. -6 + (-3.251) which product will be rational _ a. 17.12 *
  27. algebra

    Simplify the expression (square root 100 over 49) a. 10 over 7 ** b. 17 c. 5 over 7*** d. 20 over 7 which sum will be irrational? a. 3+2 b. square root 19 + 7 over 2 *** c. 18 over 3 + 11 over 10,000 d. -6 + (-3.251) which product will be rational _ a.
  28. Alpha decay

    Hi I am working on a question which discusses ununhexium atomic number 116 atom weight 292. This isotope undergoes 7 alpha decay reactions. I have calculated that after seven reactions the product would be 102 nobelium. I cannot understand how the atomic
  29. precalculus

    The function A=A0e^(-0.0099x) models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 600 pounds of the material are initially put into the
  30. programming in BASICS

    1. The result of computations done in a -----statement are not stored in the computer's memory. A.LET; B. PRINT; C. compute; D. PRINT USING. 2. which of the following statements may appear anywhere you need them in a program, and you can use as many as you
  31. computer Science (need answer ASAP)

    Write a complete C# program that displays a menu comprising of the followings: Main Menu 1) Calculate Fuel Consumption 2) Calculate Weekly Wages 3) About This Program 4) Exit Program Enter your Choice: Calculating Fuel Consumption When the user chooses
  32. computer science

    Write a complete C# program that displays a menu comprising of the followings: Main Menu 1) Calculate Fuel Consumption 2) Calculate Weekly Wages 3) About This Program 4) Exit Program Enter your Choice: Calculating Fuel Consumption When the user chooses
  33. Algebra

    |3x+8|=20; -4 Basically that 4 is asking whether that is a possible solution to the problem. I tried to solve it and the two solutions I got were -28/3 and 4. So I got that -4 is not a solution but if someone could check for me and make sure I didn't mess
  34. Math

    The height h in metres above the ground of a projectile at any time t in seconds after the launch is defined by the function h(t)=-4t +48t +3 A.) Complete the square to write H in standard form b.) Find the height of the projectile three seconds after the
  35. Math

    Hi, can you help me please with this: translate the following sentence into equation: Two numbers have a sum of 20, which is the the product of one number and the square of the other is 50. Thanks
  36. math

    suppose you roll 2 number cubes. what is the probability that the product of the numbers is a multiple of 7
  37. Algebra

    What is the word phrase for the Algebraic expression 4 (21 n)? My answer is 4 times the product of 21 and a number N
  38. 9th grade math

    Translate the phrase into an expression The product of 6 and a number y how would i write that?
  39. Algebra

    Find the product for these expressions: 1. {(x+3) + y}^3 2. (a^(x+1) + b^(x-2))(a^(x+1) - b^(x-2)) In number 2, I came up with a^(x+1)^2 - b^(x-2)^2 but am little apprehensive about this. I hope you can enlighten me on both numbers.
  40. math

    Which expression represents the pharse "ten less than the product of 5 and the sum of a number and 3"? a. 10-5x+2 b. 5(x+20)-10 c. x+2 ---- -10 5 d. 10-5(x+2).. is the answer "b".
  41. Math

    How many numbers between 9 and 100 exist such that the product of the digits is treaters than the actual number?
  42. math

    2 questions please 6x<2x+24 also express 792 as a product of prime number in index form
  43. maths

    an unbiased die rolled n times. what is the probability that the product of the scores is an even number
  44. math

    The number (27+200^1/2)^1/2 can be simplified to the form a+b^1/2, where a and b are positive integers. Find the product ab.
  45. math

    Which expression represents the pharse "ten less than the product of 5 and the sum of a number and 2"? a. 10-5x+2 b. 5(x+20)-10 c. x+2 ---- -10 5 d. 10-5(x+2).. is the answer "d".
  46. math

    The notation ##(a,b,c)produces a number that is a less than the product of b and c raised to the a power. When ##(2,5,x)=23, what is the value of x? a. 0 b. 1/2 c. 1 d. 2 e. 5 please answer and explain
  47. Geometric progression

    The Product of three Consecutive terms of a G.P. is -64 and the first term is four times the third. find the number.
  48. math

    the product of 27% in algebraic expression.sorry the ? says to type the % as a decimal and use q to represent some number. would i write that like q=0.27
  49. Algebra

    Write a system of inequalities to describe the shaded area of the graph. This is the question on my homework today that i just don't get. My teacher said to use point slope form. y=y1+m(x-x1) The coordianate points of the triangular area are line 1:
  50. English

    I have a report that I need to do using superscripts for my sources. Do I have to put a superscript after every sentence? Or can I put in like 3 sentences from a source and put the superscript in at the end of the 3rd sentence? Hope that made sense. If
  51. Medical Terminology

    You are a front office medical assistant. A second front office medical assistant is going to be hired, and you have been asked by the office manager to help her screen job applicants for the position. The office manager asks you to put together a short
  52. Fat gram calculator

    Design a program that asks the user for the number of fat grams and calories in a food item. Validate the input as follows. Make sure the number of fat grams and calories are not less than 0. According to nutritional formulas, the number of calories cannot
  53. ENGLISH

    you really help me at a last one and if you have some time can you help me whit this too? Read the text and choose the correct answer. ok,everyone,listen,please,I want to go over the plans for tonight one more time.Henrys train_________at eight o'clock and
  54. Language Arts

    The suffix-ee comes from French and refers to someone who receives an action or has been put in a position. Using this information, what can you conclude is the meaning of the italicized word in the following sentence? This year's HONOREE of the writing
  55. spanish

    We sing a song entitled He drinks tequila,and she talks dirty in spanish ^ there are a couple of phrases that I don't know the meaning of could you help please. the first is "a brasa mi puerta" The second is "to dal ay nochay" I hope this is not offensive
  56. Math Help

    Choose the word phrase that can be represented by 2 – p. the difference of a number p and 2 the quotient of 2 and a number p 2 more than a number p 2 decreased by a number p 2. Which word phrase could represent the variable expression 1/2a + 4? 4 more
  57. Chemistry

    A chemist trying to synthesize a particular compound attempts two different synthesis reactions. The equilibrium constants for the two reactions are 23.3 and 2.2 X 10^4 at room temp. However, after 15minutes the chemist finds that the reaction with the
  58. math statistics/probability

    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
  59. algebra

    How do i compute the track of two circles one with a diameter of 100 feet, the other with a diameter of 200 feet? The question asks me to compute the length of the track with these two circles touching each other at a single point.
  60. English

    1. The fruits are on sale. 2. The Fruits are for sale. (What is the difference between them?) 3. The product is on sale, 30% off. 4. The product is 30% off. 5. The product is sold 30% off. 6. The product is 30% off on sale. (Are they all grammatical?)
  61. MATH

    Isopropyl alcohol, C3H8O, is used in rubbing alcohol mixture. Alcohol on the skin cools by evaporation. How much heat(in kJ) is absorbred by the alcohol of 2.25g EVAPORATED? THE HEAT VAPORIZATION OF Isopropyl alcohol is 42.1 kJ/MOL Compute the number of
  62. English

    1. She dressed her daughter in a fur coat. 2. She clothed her daughter in a fur coat. 3. She put a fur coat on her daughter. ------------------ Are they all the same in meaning? Which ones are commonly used? Do you have some other ways of expressiong
  63. algebra

    help me please... The expression for figuring a student's average test score is (p/t), where p is the total points earned on all the tests, and the t is the number of tests. find a student's average when 623 points are earned on 7 tests.
  64. to ms.sue

    can you give me an example of an invitation . i need to make one for homework. For: Date: Time: Place: description: RSVP: I don't know where to put my name!
  65. social studies

    i need to make a passport for marco polo and i need to put the stamps in from venice to china but i don't know the dates please help me
  66. Math

    Find two consecutive even integers such that the sum of the larger and 3 times the smaller is 234. I don't get how to put it as in equation.
  67. Science

    where is the watershed located? please give a short answer and i searched up so many websites there confusing and i don't really know how to put it in a sentence.
  68. math

    A checkerboard is 10 inches long on each side.What is the length of the diagonal from one corner to another? I know, I will need to use the equation... A2+B2=C2....but I don't know where to put the numbers. Thank you for the help!
  69. MATH

    How do yoi solve 1+1=?????????? "WHAT?!!?" ummmmmmm don't u just put the 1's together... i think its 11. Thanks DUDE!!!! :') All this time I thought it was 2! :' ) Ha-Ha! How dumb was I. Welp; that's what I get for thinking.... :')
  70. reading

    What is your opinion about cameras in the classrooms that will allow your parents and yourself to view it on the internet? list three reasons and explain now i don't know what to put
  71. language

    Which of the following sentences is punctuated correctly? A. After you sign the agreement it is too late of course, to change your mind. B. After you sign the agreement, it is too late of course to change your mind. C. After you sign the agreement, it is
  72. english

    Which of the following sentences is punctuated correctly? A. After you sign the agreement it is too late of course, to change your mind. B. After you sign the agreement, it is too late of course to change your mind. C. After you sign the agreement, it is
  73. chemistry

    What is a neutralization reaction? A. A reaction that involves neutral reactants B. A reaction in which the reactants are a salt and water C. A reaction in which the product is either acidic or basic D. A reaction that removes essentially all H+ and OH- I
  74. math

    A. In 1 year Kristen will be four times as old as Danielle. Ten years from then Kristen will only be twice as old as Danielle. How old is Kristen now? B. The greater of two integers is 4 times the lesser. Of the lesser integer is increased by 12, the
  75. college math statistics

    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
  76. Business

    In what ways does diversity make conflict into a positive result? How can the appreciation and encouragement of people to be themselves and share their thoughts result in cohesiveness and effectiveness?
  77. psychology

    In what ways does diversity make conflict into a positive result? How can the appreciation and encouragement of people to be themselves and share their thoughts result in cohesiveness and effectiveness
  78. Brief Calc

    e^x y =3 find dy/dx using implicit differentiation the answer is -y Compare your answer with the result obtained by first solving for y as a function of x and then taking the derivative. y=? dy/dx=? help me out with these last two please I don't know what
  79. maths

    A dealer wants to mix 20 kg of product A costing rupees 2.40 per kg, with product B, worth rupees 3.30 per kg to produce a mixture worth rupees 2.70 per kg. How man kilograms of product B should he use?
  80. Math

    Equal groups riddle. I am a number between 20 and 30. When you put me into 6 equal groups, there is an even number in each group and 1 is left over.
  81. math

    Simplify. Your answer should contain only positive exponents. (when a number is between *__* its an exponent) 5y*-5* - ------- -u*5* v*-4* .(times) -uv*5* sorry if this is a bit confusing (hard to write this on a computer)
  82. Accounting

    Anheuser-Busch InBev Companies, Inc reported the following operating information for a recent year. In addition assume that Anheuser-Busch InBev sold 200 million barrels of beer during the year. Assume that variable costs were 75% of the cost of goods sold
  83. Algebra/math

    simplify the expression. Assume that all variables represent positive numbers. (36^-2y^4)-1/2(xy^1/2) I can't get the answer to this I just don't know how to answer this problem. Can anyone help? Thank You! Ashley
  84. Clarify (URGENT)

    Write a paragraph explaining what generalizations you can make about yourself when looking at the things that are most important to you or the things you value? I don't understand what it means. Can someone simplify it for me please? Thanks.
  85. Calculus

    A steady wind blows a kite due west. The kite's height above ground from horizontal position x = 0 to x = 80 ft is given by the following. y = 150 - (1/40)(x-50)^2 Find the distance traveled by the kite. y = 150 - (1/40)(x-50)^2 y = 150 -
  86. 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
  87. Algebra

    Simplify 1/r=1/x+1/y Multiply both sides by rxy. Then simplify. I will be happy to check your work. That is as compact and simple as the relationship can be written. Are you looking for an explicit formula for x, y or r?
  88. math

    if one sign binks every 7 seconds and the other sign blinks every 9 seconds in how may seconds will they blink together again?
  89. check answers pls

    1. 3(y+1) for y=2 A.6 B.9** c.7 D.8 2.d+g/h for d=35 , g=19 , and h=6 A.9** B.2.7 C.7.3 D.8 3. the cost in dollars of a field trip is 64+14n , where n is the number of people attending . what is the cost for 48 people? A. $736** B. $126 C. $896 D. $910 4.
  90. Calculus

    What would an example of a logarithmic function that contains two trig functions within it where you would need to use chain rule and product rule to take derivative look like? How would taking the derivative of the function in its original form look
  91. art appreciation

    I have to do this essay and I can't find anything on this topic. I don't know if I'm looking in the wrong places or what but I would like some help if you can. This is the topic that I have to write on please help. How does symbolism expand the meaning of
  92. English

    Hello. I'll appreciate it if you answer my questions: 1)is it possible to say "Thousands of Egyptians conducted a meeting in Cairo" (meaning "held a protest")or is the word "meeting" something like "discussion"? 2)is it possible to use "confine" in the
  93. Algebra 2

    1. The roots of the quadratic equation z^2 + az + b = 0 are 2 - 3i and 2 + 3i. What is a+b? 2. Find all pairs of real numbers (x,y) such that x + y = 6 and x^2 + y^2 = 28. If you find more than one pair, then list your pairs in order by increasing x value,
  94. Density of Gas at STP

    Hi Can anyone explain how to calculate the density in g l -1 of a gaseous oxide at STP. I don't understand the term g l -1 !! Thank You "g l-1" should have the -1 as a superscript, meaning g l^-1, or g/l. It means they want the density in grams per liter.
  95. English

    1. I like pears. - Me, too. - Me too. - I like pears, too. 2. I don't like pears. - Me, neither. - Me neither. - I don't like pears, either. ================= Are the answers all grammatical? Do you have some more common answers? Do we have to put commas
  96. Algebra 1b!

    1. Find the excluded value of x for the polynomomial expression 4x/6 a. 6 b. -6 c. 1/6 d. -1/6 2. Simplifly 3-2x/7 + 4x+5/7 a. 2x+8/14 b. 2x+8/7 <--- c. x+1/7 d. 2x+2/7 3. Simplify 6ab^6/4a^7b^10 * a^3b^4/2a^7b^6 a. 7x/8 - 2x/8 b. -5x/8 c.
  97. 11th grade

    When Maggie applies the brakes of her car,the car slows uniformly from 15.4 m/s to 0m/s in 2.41 s.How far ahead of a stop sign must she apply her brakes in order to stop at the sign?Answer in units of m.
  98. 11th grade

    When Maggie applies the brakes of her car, the car slows uniformly from 15.4 m/s to 0 m/s in 2.41 s. How far ahead of a stop sign must she apply her brakes in order to stop at the sign? Answer in units of m.
  99. Physics

    Given a wooden sign that is held up by two ropes. One rope at a 37.0 degrees to the horizontal has a tension of 2.00N and the other at an angle of 153.5 degrees to the horizontal feels a tension of 1.785N. How much does the sign weight?
  100. Chemistry

    I need to write a balanced equation for this problem and am having difficulty doing so. The question is this: use the mole ratio of CuO produced per mole of malachite to write a balanced equation for the malachite decomposition reaction. Assume that CO2 is