Questions Asked on
May 21, 2018

  1. Math

    A bag contains 6 red marbles, 3 white marbles, and 7 blue marbles. You pick a marble without looking. Find the probability of drawing a white marble. Can someone please explain how I would work this out?

  2. Algebra 1

    The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 2 hours to drive the distance at 67 miles per hour, how long will it take to drive the same distance at 55 miles per hour? about 1.64 hours about 134.00 hours

  3. maths

    Q1). If the zeroes of he polynomial f(x)=ax^3+3bx^2+3cx+d are in A.P then show that 2b^3 -3abc +a^2d=0 (detailed solution .....) Q2)if alpha, beta, gamma are the roots of equation x^3-3x+11=0 then find the equation whose roots are (alpha + beta),(beta +

  4. Math

    In how many ways can 14 basketball players be listed in a program? A. 87,178,291,200*** B. 14 C. 1 D. 17,297,280

  5. Science

    Which of the following Best describes the movement of an object at rest if no outside forces act on it. It will move due to inertia. Gravity will eventually cause it to move. It will stay at rest due to inertia~~~~~~~ It will stay at rest due to gravity.

  6. Math

    Help pls A number cube is rolled 450 times. The number 3 comes up 67 times. a. What is the theoretical probability of rolling a 3? Write your answer as a fraction in simplest form b. What is the experimental probability of rolling a 3? Write your answer as

  7. Science

    A load of 30N is raised 2m when an effort of 10N moves 8m calculate the velocity ratio and efficiency of a machine

  8. Math

    Math Unit 6 Lesson 7: Exploring Probability Unit Test Connexus I already answered the questions and I just need to check them so pls help. Thx 1. A single standard number cube is tossed. What is the probability of getting a number greater than 3? A.2/3

  9. maths

    write as a decimal 5 tens plus 18 tenths

  10. Statistics

    What would be an example with solution of the Poisson distribution in the frequency of repurchases?

  11. Math

    While attending a film festival you decide that there are 12 movies that you are interested in seeing. However, you only have time to see 7 movies. In how many different ways can you watch 8 of the 12 movies? A. 19,958,400 B. 12 C. 9,979,200*** D.

  12. history

    1.which are important responsibilities for texan citizens? 2 points (so 2 answers) lobbying voting* campaign contributing* saying informed* 2.what are important qualities to have when serving on a jury? 3 points (3 answers) be a good listener and be able

  13. Math

    The fifth term of an exponential sequence is greater than the fourth term by 27/2 and the fourth term is greater than the third term by 9. Find the first term and the common ratio

  14. Algebra

    Does the data in the table represent a direct variation or an inverse variation? x 1 3 4 7 y 5 15 20 35 A) DV; y=1/5x B) IV; xy=5 C) DV; y=5x D) IV; xy=1/5

  15. mathematics

    find the sum of the numbers between 60 and 80 that are divisible by 9

  16. Geometry

    What is the scale factor of a rectangular prism that s volume is half the original volume? Pear-Apple scraps their plans for the BigMini and the Lil Mini. They decide to come up with a product that is half the volume of the iPad Mini. It’s called the

  17. Math

    A bag contains 6 red marbles, 3 white marbles , and 7 blue marbles. you pick a marble without looking. find the probability of drawing a white marble.

  18. math

    a figure is made up of a big square and 4 smaller identical squares. The area of the whole figure is 980 square inches. What is the unknown length?

  19. Math

    Christopher mixes the letters s, e, l, e, c, t, e, and d thoroughly. without looking, allen draws one letter. expressed as a fraction, decimal, and percentage, what is the probability that allen will not select a consonant? A. 3/8 , 0.375, 37.5% B. 3/5 ,

  20. Science

    Please help me with these questions from the Science 6: Forces and Motions Unit Test. My answer-****** 1. Which of the following best describes the movement of an object at rest if no outside forces act on it? (1 point) It will move due to inertia. Gravity

  21. vectors

    A steel wire 40 m long is suspended between two fixed points 20 m apart. A force of 375 N pulls the wire down at a point 15 m from one end of the wire. State the tension in each part of the wire. Texbook answer: 375N, 0N

  22. Physics

    Identify the correct neutrino (Ve, Vµ, Vτ or their anti-particles) a) π+ —> p° + e+ + v b) π+ —> p° + µ+ + v c) τ+ —> e- + v + v Please explain why too...I'm really lost. I'd appreciate any help.

  23. Math

    Tanya wants to gift-wrap a container that is in the shape of a right circular cylinder. The radius and height of the container are given below in centimeters. Radius is 2.1 cm. Height is 8.8 cm. Which estimate is closest to the minimum amounr of giftwrap

  24. math

    on friday night at a local diner serves a three main enter'ee, each with a choice vegtabel. the enter'ees are beef,chiken,and fish. the vegtable is spinich,broccoli,and carrots.how many possable dinners (enter'ee and vegtable combanation)does dinner

  25. Math

    A number cube is rolled 360 times and the results are recorded as follows:41 ones, 54 twos, 62 threes, 33 fives, and 95 sixes. What is the experimental probability of rolling a two or a three? Answers: 0.32 0.18*** 0.07 0.68

  26. calculus

    If 'a' and 'b' are unit vectors that make an angle of 60 degrees with each other, calculate l 3a - 5b l and l 8a + 3b l *the 'a' and 'b' have a carat of top of them* How do i answer this without using components?

  27. math

    1.The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6)

  28. Economics

    Which one of the following statements is correct under the theory of supply-side economics? A. High marginal tax rates severely discourage work, saving, and investment. B. Transfer payments increase incentives to work. C. Increases in social security taxes

  29. Algebra

    Bonus:This isb from a mathematics book published in 1880. If a horse trots 3 miles in 8 minutes and 15 seconds, how far can be trot in an hour at the same rate? My answer:8 miles (I don't know if this is right though.)

  30. chemistry

    Calculate the mass of zinc oxide when 0.1mole of zinc trioxocarbonate (iv)is heated strongly.

  31. Math

    1. Simplify & state any excluded values c-5 ―--------- c²-25 2. Simplify & state any excluded values x² - x - 6 ---------------- x² + 7x + 10 9. Find the constant of variation, k, for y= –8 when x = 12. 10. Write an inverse variation to model the

  32. Chemistry

    What is the Molarity of sodium ions in a 3.3 M solution of sodium phosphate?

  33. Algebra

    1. Simplify the expression 4 3 — - — x x 2. Simplify the expression 6 4 — + — c c² 3. Simplify the expression 3y 9y — ÷ — 4y - 8 2y² - 4y 4. Simplify the expression: ( 2x³ - x² - 13x - 6 ) ÷ ( x -3 )

  34. Chemistry

    How many mL of water would you add to 32 mL of 0.62 M ammonium chloride stock solution to make a 0.3 M solution?

  35. history

    Which U.S policy would Palestinian supporters of the Palestinian Liberation Organization most like preferred? A: Continues U.S support for Israel B: Support for a peace treaty between Israel,Egypt, And Palestine C: Military aid to Yasir Arafat for the

  36. Calculus

    Use geometry to evaluate the integral from 0 to 6 of the function f of x, dx for f of x equals 3 for x less than or equal to 3 and equals the quantity 6 minus x for x greater than 3 - 27 - 13.5 -12 - 10.5

  37. Calculus

    What is the Riemann sum to find the area under the graph of the function f(x) = x4 from x = 5 to x = 7.

  38. History

    Section 1 political power. all political power is inherent in the people, and governments derive their just powers from the consent of the governed, and are established to protect and maintain individual rights. ... section 33 recall of elective officers

  39. Math

    The table show the colour preferences of 50 shoppers at the mall. What is the probability that one shopper, selected at random from the 50 surveyed, prefered the color red or blue?? ||7 Red, 3 Yellow, 13 Blue, 15 Green, 12 Orange|| A:2/5** B:7/50 C:1/2

  40. computer

    Which of the following is NOT a way you can format an image in Microsoft Word? changing its position adding a Photoshopped element adding a border changing its color B?

  41. Social Studies

    How has the population of South Carolina changed over the past one hundred years? Explain whether the state has become more rural or more urban, and describe at least three challenges that accompany this shift in population.

  42. math

    Find the vertices of the ellipse. (x + 5)^2/4 + (y − 4)^2/49 = 1

  43. Social Studies

    What title best represents the subject of the cartoon? The cartoon is "inch by inch" A. "change is a long, slow process" B. "education opens the door to the mind"** C. "students take early steps to graduation" D. "learning doesn't end at the schoolhouse

  44. Science (CHEM)

    State T/F 1.Gases are rigid while solids and liquids are fluids 2. Solids have definite shape but no fixed volume

  45. LA

    (I need help on this, there are two options but I only chose one.) the following question asks about one or more selections from your literature textbook. You may use your textbook to answer the question. Select one question to respond to: Time plays an

  46. Chemistry

    Why for the ionization of gas,lower pressure is more favoured than high as in the discharge tube? High pressure means more particles to be ionized then what is the reason behind this?

  47. math

    Find the vertices of the ellipse. (x + 7)^2 + (y + 5)^2/(1/4) = 1

  48. Chemistry

    What is the concentration of an unknown potassium dichromate solution with an absorbance of 1.603 at 345nm? (The path length is 1 cm, molar absorptivity constant = 0.412 A.mol-1.cm-1 )

  49. Math

    Can someone check a few answers for me? Thank you. 1. Simplify. (-14x^3) / (x^3) - (5x^4) = -14/1-5x Where x is not equal to 1/5, 0 2. Simplify. x - 2 / (x^2) + (4x) - 12 = 1/x+6 Where x is not equal to -6

  50. Math

    Martin has scored an average of 12 points per game this season Game 1 he scored 8 points, game 2 he scored 11 points, game 3 he scored 12 points, and game 4 he scored 16 points. Use numbers from the box (2,3,4,5,8,11,12,13,16,n) to write an equation that

  51. Science

    1. What stretches over most of the Arabian Peninsula ? a. Fertile farmland b.forest c. Desert d. Lakes 2. Camels were used by Bedouin’s because they require very little a. Food b. Water c. Sunlight d. Sleep 3. A search of waterfront in the desert is

  52. vectors

    A man weighing 70 kg lies in a hammock whose ropes make angles of 20º and 25º with the horizontal. What is the tension in each rope? how do you get the following angles for the diagram? 70 corresponds with |T1| (Tension 1) 65 corresponds with |T2|

  53. Trigonometry

    Write 4 other points for (-3,11π/3) on -2π ≤ θ < 2π

  54. math

    A bag contains 4 white, 3 blue, and 5 red marbles. 1. Find the probability of choosing a red marble, then a white marble if the marbles are replaced 1/12 5/36 5/6 5/12 2. Find the probability of choosing 3 blue marbles in a row if the marbles are replaced.

  55. Physics

    A train starts from rest from station P and accelerates uniformly for 2 minutes reaching a speed of 60 km/hr. It maintain this speed 10 minutes and then retards uniformly for 3 minutes to comes to rest at station Q find; a) The distance in PQ in km b) The

  56. science

    what materials could have been found in the giant gas cloud that formed the solar system A hydrogen and helium B hydrogen and oxygen C carbon dioxide and oxygen D liquid and solid water

  57. Question for Mrs.Sue help

    Mrs.Sue I posted a question on this website with my answer I wrote looking for help with my grammar before I turned it in and the teacher found on this site and I told him I posted it but, he won't give me credit for it unless it is deleted off this

  58. maths

    a triangle is equal to a rectangle which measures 10cm by9cm. if the base of the triangle is 12cm long,find its altitude

  59. math

    1 point Andrea is making a sandbox for her children. She has made a wooden frame her backyard that is 2 feet long, 5 feet wide, and 2 feet deep. She can purchase sand for the sandbox for $15 per cubic meter. How much will it cost for her to purchase sand?

  60. Algebra

    An investment account earns 7.5% per year compounded quarterly. How many years will it take for the account to triple its initial value. (Make sure that you round up) For the death of me, I can't figure out how to do this problem. Can anybody walk me

  61. writing

    At this bookstore cafe, some people are talking too loudly on their phones and disturbing other costumers and holding up lines. I need help on a solution explaining 'where and how' the notice will be distributed (its only for the employees) and then a

  62. science

    What plants grow in mountains??

  63. math

    Evaluate the following Expressions a 11 to the 0th power B 11 squared / 11 squared C are the answers to Parts A & B the same, explain why or why not

  64. american government

    I'm writing a research paper and I'm almost done with it, but I was having trouble writing my thesis statement. Right now I have this: The first political parties of the United States were the Federalist Party and the Democratic-Republican Party, but they

  65. Chemistry

    How to distinguish between 3 alcohol types explain please

  66. physics

    A force F applied to an object of mass m causes it to move in a straight line a distance D during an interval of time T. The object gains kinetic energy K during this interval. In which of the following cases will the object gain the same kinetic energy K?

  67. Math

    Choose the graph that shows the solution of the inequality on the number line. c < -1 please help!!!

  68. Chemistry

    What is the Molarity of sodium ions in a 3.3 M solution of sodium phosphate?

  69. math

    you rolled a standard number cube once. find p(0) a. 7/6 b. 1 c. 1/2 d. 0****

  70. Science

    According to newtons third law of motion is a rolling boil collage with a wall and exerts a force of three noon on that wall how much force touch the wall exert back on the ball

  71. Math

    1. What are the next three terms in the sequence? -6, 5, 16, 27,... A. 38, 49, 60 B. 37, 47, 57 C. 36, 45, 54 D. 36, 46, 57

  72. Geometry

    Area=432 width is 6 feet less than length. what's the length. I haven't done this since the beginning of the year so I could really use the help remembering how.

  73. Maths

    karen decorated her mother's birthday cake. one-third of candles are pink, three-eights are yellow, one-quater are blue and the two remaining candles are white. calculate (a). the fraction of candles that are white. (b). the total number of candles on the

  74. science

    is water renewable