Questions Asked on
January 19, 2014

  1. Discrete Math

    A bag contains 5 red marbles, 4 yellow marbles, 3 green marbles, 2 orange marbles and 2 purple marbles. If three marbles are removed, what is the probability that at least one of them is red?

    asked by Steven
  2. Science help asap 2 questions!!!

    4. Which of the following describes an example of a potentially invasive species? (1 point) Fruit covered with fruit fly eggs is trucked from Mexico to Canada. Racehorses are shipped by boat from New York to London. Coffee beans in burlap bags are flown

    asked by TTR+S<3
  3. Meths

    A drawer contains 22 black socks, 22 white socks, 22 blue socks, and 22 brown socks. If the light is off and Matt reaches into the drawer to get his socks, what is the minimum number of socks he must pull out in order to be sure that he has a matching

    asked by Jatin Ramani
  4. math URGENT

    Find all values of x such that sin 2x = sin x and 0 x 2π. (List the answers in increasing order.) x= x= x= x= x=

    asked by Cassy
  5. finance

    You have just purchased a new warehouse. To finance the purchase, you’ve arranged for a 25-year mortgage for 75 percent of the $3,600,000 purchase price. The monthly payment on this loan will be $17,700. What is the APR on this loan?

    asked by Anonymous
  6. college finite math

    A product may be made using Machine I or Machine II. The manufacturer estimates that the monthly fixed costs of using Machine I are $17,000, whereas the monthly fixed costs of using Machine II are $14,000. The variable costs of manufacturing 1 unit of the

    asked by Dee
  7. social studies

    can someone give me 3 examples of how where Carolina lives shapes her life and the opportunities available for her and her family.

    asked by Matt
  8. college finite math

    Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint:

    asked by Dee
  9. physics

    2.A solid iron cylinder with a diameter of 150mm a height of 1m and a density of 7860 kg/m^3 is suspended in fresh water (density of fresh water is 1000 kg/m^3) calculate the tension in the supporting cable when two thirds of the volume of the cylinder is

    asked by moody
  10. Chenistry

    A 0.8870g sample of a mixture of nacl and kcl is dissolved in water and the solution is then treated with an excess of agn03 to yield 1.913g of agcl. Calculate the percentage by mass of nacl in the mixture 1.913g/ 143 = 0.0133 M agcl x/58 + Y/74 (0.887g-x)

    asked by Carlos
  11. computer

    A user call your help desk to report that the files on her USB stick do not have any permissions associated with them and therefore aren't secure. Why is this?

    asked by jackie girth
  12. college math HELP!!!!!

    The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is $180; the quantity demanded each month is 1000 when the unit price is $150. The suppliers will market 750 espresso makers if the unit price is $80. At a unit price

    asked by Dee
  13. maths, physical science , life science , geography

    Hi I am in grade 10 , I am doing maths physical science, life science and geography, what jobs can I get into with those subjects

    asked by zaakiyah
  14. college finite math

    Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint:

    asked by Dee
  15. Physics

    If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 4.5 h, a swimmer makes exactly 69 laps in a swimming pool that is 35 m long. Determine the distance the swimmer traveled, the total displacement of

    asked by Bobby
  16. chemistry

    In a combustion reaction, propane (C3H8) reacts with oxygen. How many moles of CO2 can be produced when 2.25 mol of C3H8 react? C3H8(g) + 5O2(g) -„³ƒn3CO2(g) + 4H2O(g)

    asked by kita
  17. Physics

    Suppose that a binary star system consists of two stars of equal mass. They are observed to be separated by 380 million kilometers and take 9.0 Earth years to orbit about a point midway between them. What is the mass of each?

    asked by John
  18. 5th Grade Math

    Express the fraction(s) 6/7 and 12/10 as the sum of two or three equal fractional parts. Rewrite each as a multiplication equation. Any help is appreciated.

    asked by Carol
  19. math

    If sin(x) = 1/3 and sec(y) = 5/4, where x and y lie between 0 and π/2, evaluate sin(x + y).

    asked by Cassy
  20. Physics

    What is one advantage and one disadvantage of using a ramp? Explain in detail.

    asked by Holly
  21. physics 2

    if 120 g of hot water at 85 degree celsius is poured into an insulated cup containing 200 g of ice at 0 degree celsius. how many grams of liquid will there be when the system reaches thermal equilibrium?

    asked by phase change
  22. Social Studies

    I'm not so sure about the answers to these questions. Could you check my answers please? Thanks. Who led the federal troops that forced the Cherokee west on the trail of tears? -Andrew Jackson -Winfield Scott -William Henry Harrison** -Oliver Hazard Perry

    asked by Sam
  23. math

    Rewrite by completing the square. 2x^2 - 12x + 11

    asked by Cassy
  24. physics- multiple choice

    1. A transport truck pulls on a trailer with a force of 600N [E]. The trailer pulls on the transport truck with a force a) of zero b) of less than 600 N is the truck is slowing down c) equal to 600 N only if the truck is moving at constant velocity d)

    asked by Diane
  25. american history

    Through what spanish settlement did Zebulon Pike travel?

    asked by jynessa
  26. college finite math

    The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is $180; the quantity demanded each month is 1000 when the unit price is $150. The suppliers will market 750 espresso makers if the unit price is $80. At a unit price

    asked by Dee
  27. physics

    3 factors that we must always give when expressing a force vector quantity

    asked by Anonymous
  28. Physics

    An explorer in the dense jungles of equatorial Africa leaves his hut. He takes 41 steps at an angle 45∘ north of east, then 81 steps at an angle 60∘ north of west, then 49 steps due south. Assume his steps all have equal length. Save him from becoming

    asked by christina
  29. college finite math

    For wages less than the maximum taxable wage base, Social Security contributions (including those for Medicare) by employees are 7.65% of the employee's wages.† (a) Find an equation that expresses the relationship between the wages earned (x) and the

    asked by Dee
  30. Science

    2 forces of 5N&7N respectively act on an object. (a) When will the resultant of 2 vectors be at a maximum? (b) When will the resultant of the 2 vectors be at a minimum?

    asked by Lesed
  31. physics

    3 factors that we must always give when expressing a force vector quantity

    asked by Anonymous
  32. math

    Moffett’s Candy Factory makes candy in the shape of cylinders. The net of a cylindrical piece of candy is shown below. two circle with diameter of 4cm each and a rectangle with a lenght of 1.5 cm wha is the total surface area of this piece of candy?

    asked by leo
  33. Chemistry

    Calculate the pH of the solution formed by adding 15.0ml of 0.1M sodium hydroxide to 30.0ml of 0.1M propanoic acid.

    asked by Fritz
  34. physics

    3 factors that we must always give when expressing a force vector quantity

    asked by amukoso
  35. SCIENCE 1 QUESTION PLS HELP ASAP

    Select three words that belong together. To do this pick one word from each of the three sets below: Set 1: Estuary, Lake, Neritic Zone Set 2: High Salt, Intermediate Salt, No Salt Set 3: Trout, coral, oyster Answer choices: A) Neritic zone, intermediate

    asked by TTR+S<3
  36. Biology

    What does the cardiovascular systems consist of?

    asked by Anonymous
  37. math

    A sequence is generated in which each term is 9 more than the previous term, If the eighth term is 13, what is the fourth term? a. -23 b. -14 c. 40 d. 49 e. 58 please answer and explain

    asked by Thomas
  38. science

    transmission electron microscope compound (light) microscope scanning electron microscope field scope dissecting microscope Arrange the five types of microscopes in order from lowest resolution to highest.

    asked by jiskhaweekend
  39. Algebra

    Ten years ago a man was three times as old as his son. In twelve more years,the son is three fifths as old as his father.what were their ages 5 years ago?

    asked by Nicole Faith
  40. Mathematics

    (14x^7 multiplied by y^5 multiplied by x^6 divided by 21x^12 multiplied by y^2)^4

    asked by Michael
  41. physics

    A barefoot field-goal kicker imparts a speed of 39 m / s to a football initially at rest. If the football has a mass of 0 . 26 kg and the time of contact with the ball is 0 . 01 s, what is the force exerted by the ball on the kicker’s foot?

    asked by Anonymous
  42. SAT

    please help. I am a foreigner. I need to get into a US college for a bright future. I bought the College Board SAT book. It has no word lists. How do I do well in the SAT? Any tips? Please give me help.

    asked by Mohammed
  43. math

    a parcel has a mass of 794g, estimate the mass of 32 of these parcels together

    asked by ndumi
  44. physics

    in a experiment to measure the speed of sound in glass, a pulse of sound is sent into a glass rod, 14 m in length. the reflected sound is detected after 5.6 ms (0.0056 s). calculate the speed of sound in glass.

    asked by jack
  45. Physics

    A tuning fork creates sound wave with frequency of 170 hertz. If the speed of sound is 340 m/s, what is the wave length of the sound wave?

    asked by Christopher
  46. Physics

    A tuning fork creates sound wave with frequency of 170 hertz. If the speed of sound is 340 m/s, what is the wave length of the sound wave?

    asked by Christopher
  47. physics

    3.The diameter of a pipe changes gradually from 150mm at point A, 6m above datum, to 75 mm at B, 3 m above the datum. The pressure at point A is 103KN/m^2 and the velocity of flow is 3.6m/s . Neglecting loses, determine the pressure at point B.

    asked by moody
  48. Physics

    What affect does changing the mass of an object on a ramp have on the efficiency of the ramp? Explain.

    asked by Holly
  49. BUS 401

    Which of the following statments regarding the cost of preferred stock is true? a.It is typically found by solving for an annuity’s discount rate. b. It is tpically found by solving for an annuity's due's discount rate. C. It is found similarly to a

    asked by Leo
  50. Philosophy(PleaseHelp)

    Hi, can someone tell me if these 3 multiple choice questions is correct? I'm struggling with these 3 questions and trying to make sure if they are correct. For Kant, the moral worth of an action lies in: a. The predicted effects of that action. b. The

    asked by Monte
  51. math ( sequence )

    A sequence is generated in which each term is equal to the sum of the two preceding terms, If the first two terms are 1 and 3, what is the sixt term? a. 11 b. 14 c. 18 d. 22 e. 29 please answer and explain

    asked by Thomas
  52. physics

    Three forces are applied to an object, as indicated in the drawing. Force Farrowbold1 has a magnitude of 29.0 newtons (29.0 N) and is directed 30.0° to the left of the +y axis. Force Farrowbold2 has a magnitude of 18.9 N and points along the +x axis. What

    asked by Emma
  53. physics 2

    two hundred fifty grams of water at 80 degree celsius is poured into a styrofoam cap of negligible heat capacity containing 180g of water at 10 degree celsius. after an additional 300 g of water to the cap, the mixture comes to the equilibrium temperature

    asked by phase change2
  54. college finite math

    A division of a company produces "Personal Income Tax" diaries. Each diary sells for $6. The monthly fixed costs incurred by the division are $30,000, and the variable cost of producing each diary is $1. (a) Find the break-even point for the division. (x,

    asked by Dee
  55. Statistics for Business

    Consider the following sample of data: 11.2, 28.4, 32.6, 17, 13.5, 2.2, 38, 41.4, 1.9, 14.4, 21.8, 23.8 a) Calculate the max, min, Q1, median, and Q3 b) Calculate the average c) Calculate the standard deviation d) Calculate the variance

    asked by thomas
  56. cosmology

    A galaxy with an apparent magnitude in the V band (λc ~ 5550 angstroms, width δλ ~ 800 angstroms) of mV = 22.5 mag is observed with the Palomar 200-inch telescope. How many photons per second are collected from this galaxy over the 200-inch (~ 500 cm)

    asked by simar
  57. Bobby

    Find the length (in cm) of an arc of a circle with radius 12 cm if the arc subtends a central angle of 30°.

    asked by Kathy
  58. economics

    An investor sells a stock short for $36 a share. A year later the investor cover the position at $30 a share. If the margin requirement is 60% what is the oercentage return earned on the investment? now assume the price is at $42 when the investor closes

    asked by ron
  59. Hi

    Name: Park Sumin Partner: Bangtan Boys Rap Monster Scenario: Author's choice

    asked by Sandara
  60. physics

    A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 95 mph?(Note that you need to convert mass to kilograms and miles per hour to meters per second.) Answer in units of kg · m/s

    asked by NADIA
  61. Statistics for Business

    Consider the GPA’s for the following 15 students 3.10, 3.20, 3.49, 2.68, 3.73, 3.39, 3.80, 3.11, 3.10, 3.10, 4.0, 3.89, 2.55, 4.0, and 3.75 a) Compute the max, min, Q1, median 3.9, Q3, IQR, and range 1.45 b) Using the variables from part a), construct a

    asked by thomas
  62. Finance

    Which of the following actions wiling DECREASE the present value of an investment. A. Decrease the interest B. Decrease the future value C. Decrease the amount of time D. All of the above will increase the present value

    asked by Anthony
  63. Math

    During the first day of the concert, the number of student tickets sold was 80 fewer than the number of student tickets sold.On the second day, the number of adult tickets sold decreased by 15 percent while the number of student tickets sold increased by

    asked by SRI
  64. Math (Check My Steps)

    (1)/(2^0) 1/1 = 1

    asked by Anonymous
  65. Chemistry

    A 0.2299 N acid is prepared by mixing 100 ml of 0.1234 N H2SO4 and 0.3200 N HCl. How much HCl is needed in the preparation of the solution?

    asked by Summer
  66. maths literacy,history,geography,cat and english

    What can I study if I have those subjects

    asked by Cashkin-lee Francke
  67. statistics

    4 Find: a. The z score for each male salary, based on only the male salaries. b. The z score for each female salary, based on only the female salaries. c. The z score for each female compa, based on only the female compa values. d. The z score for each

    asked by Anonymous
  68. Grade 5 Maths

    A coin box contained some twenty-cent and fifty-cent coins in the ratio 4:3. After 20 twenty-cent coins were taken out to exchange for fifty-cents coins of the same value and put back in the box, the ratio of the number of twenty-cent coins to the number

    asked by LARA
  69. math

    there are 54 rows of 29 seats in a movie theatre, estimate the number of seats in the movie theatre.

    asked by lindi
  70. transportation economic

    In your own words, describe the meaning of marginal cost. You normally buy a crate of wine for $75. One crate has 6 bottles of wine. After a month, the store clerk informs you that the same crate of wine now costs $82. However, there are 7 bottles in a

    asked by bill
  71. economics

    A speculator sells a stock short for $50 a share. The company pays a $2 annual cash dividend. After a year has passed the seller cover a short position of $42. What is the percentage return on the position (excluding the impact of any interest expense and

    asked by ron
  72. pscyhology

    tentative explanation is known as ?

    asked by sherry
  73. Physics

    An ice skater skates 16.9 m southwest, then 33.8 m east, and finally 50.7 m in a direction 50.9◦ north of east. Find the magnitude of the displacement re- quired to bring the skater back to her starting point. Answer in units of m

    asked by NADIA
  74. physics

    An electron passes location h0.02m, 0.04m,−0.06mi, and 4 μs later is de- tected at location h0.02 m, 1.84 m,−0.86 mi. Find the average velocity of the elecron: ¯v = If the electron continues to travel at this av- erage velocity, find where it will be

    asked by NADIA
  75. Physics

    An electron passes location , and 4 μs later is de- tected at location . Find the average velocity of the elecron: ¯v = If the electron continues to travel at this av- erage velocity, find where it will be in another 9 μs : ~d = Answer in units of m

    asked by NADIA
  76. Maths

    I don't get this Find the equation of the line given the following information: m=UD, x=-5 And I have to find the equation. Then it says: Identify the slope and y intercept from the following equations: y=8, m=___, b=___ I also have to graph it. But if

    asked by Paws
  77. English

    What is the difference between "should have " and "could have"? Please give several example sentences.

    asked by Anonymous
  78. Pre-calc

    find the domain of (x+2)/x^3-16x

    asked by Anonymous
  79. Algebra

    Gustavs father is seven times as olda s he is.a. Year ago,he was nine timesa s olda s gustav. Find gustavs present age

    asked by Nicole Faith
  80. Chemistry

    What is molecular mass of CuSO4(NH4)SO4.H2O

    asked by Collins
  81. Math

    Simplify the difference quotient [f(2 + h) − f(2)]/h if h ≠ 0. f(x) = x^2 − 3x I keep getting the answer wrong...please help.

    asked by Anonymous
  82. math

    the cast of painting a wall with dimensions 15m by 20m is 6250 find the altitude of a rhombus shaped window with side 7.5 m,,if the rate of painting 25 per m

    asked by Anonymous
  83. statistics

    What is the probability for a: a.       Randomly selected person being a male in grade E? b.      Randomly selected male being in grade E? c. Why are the results different?

    asked by Anonymous
  84. math

    the cast of painting a wall with dimensions 15m by 20m is 6250 find the altitude of a rhombus shaped window with side 7.5 m,,if the rate of painting 25 per m

    asked by Anonymous
  85. cosmology

    We observe a galaxy at z = 1, and a quasar at z = 2. What is the redshift of the quasar as observed from that galaxy? Enter a numeric answer.

    asked by simar
  86. math

    five square flower beds of side 1m us dug on a rectangular piece of land 8m long and 6m50cm wide.Find the area of remaining part of land

    asked by mensuration
  87. math

    Find an equation for the line that passes through the point (2, -5) and is parallel to the x-axis and is parallel to the y-axis and is parallel to the line 2x - 4y = 3

    asked by Kathy
  88. physics

    A bucket of water has a weight of 40N.a man lifts the bucket by applying an upward force of 20N.at the same time a child pulls the bucket along the ground with a horizontal force of 10N...calculate the resultant force on the bucket

    asked by Anonymous
  89. math

    Find an equation for the circle that has center (-1, 4) and passes through the point (3, -2). (x - ? )2 + (y - ? )2 = ?

    asked by Carol
  90. math

    Solve the equation. (Find only the real solutions.) x2 - x - 2 = 0 they also said there is a smaller value and a larger value ??

    asked by Cassy
  91. Math

    Find the center and radius of the circle with equation x2 + y2 - 6x + 10y + 9 = 0. center ( ? , ? ) radius ?

    asked by Carol
  92. Grammar

    Hanged or hung? The intruders ? the people.

    asked by Anonymous
  93. Math

    A number is added to 7 and the result is multiplied by 4. The final answer is twice the original number . Find the original number.

    asked by Seyi
  94. Math- Negative and Zero Exponents

    Please show step-by-step how I am supposed to solve these types of problems. 1. 4ab^0 2. 5x^-4 3. (3x^-2)/y

    asked by Anonymous
  95. physics

    4.A steel rod is heated to 200 degrees Celcius and is then rigidly clamped at both ends and allowed to cool. Determine the temperature at which the rod will break if the tensile strength, coefficient of linear thermal expansion and youngs modulus of

    asked by moody
  96. Finance

    A person invests $500 on June 4, 2015 in an account which earns 7% simple interest. Determine the value of the investment on October 18, 2015.

    asked by steve
  97. News/Stereotypes

    Hi, I need help Identifying an example of news coverage that sterotypes a group of people and a) define the stereotype b) explain how the coverage perpetuates the stereotype? Any suggestions that I can use?

    asked by Blaze
  98. pscyhology

    another descriptive is called? in which ? individual is studied in great details

    asked by sherry
  99. Physics

    Friction is usually the killer of efficiency. How does a ramp relate to friction?

    asked by Holly
  100. MATH

    CLASS SOLD 82 TICKETS TO CONCERT AND MADE #431. $8 FOR ADULT AND $3 FOR CHILDREN TICKETS. HOW MANY OF EACH WERE SOLD?

    asked by dorothy
  101. Philosophy( Please Help Me))

    Hi, I would appreciate if someone can let me know what they think about the answer that I choose for these questions? Mortimer argues that right actions are the ones that: a.We believe to be right. b.Are culturally valid. c.God commands us to perform.

    asked by Monte
  102. AP Chemistry

    What is the mass percent of acetic acid in 3.25 molality of CH3COOH?

    asked by Diamond
  103. Math

    what is the daily increase in length of a young whale? (Use 1 month= 30 days) I just can't figure this part out for the whole question... the increase is 30 feet per month.

    asked by Anonymous
  104. Math

    (1/a)+4 I can never figure out these fractions...

    asked by Anonymous
  105. Essay Evaluation (Writeacher)

    May I ask for you opinion? Have I written according to what was instructed of me? Does it require any improvements? Write an essay explaining in what ways today are fearful than people in past generations. You may use examples from real life, the selection

    asked by Anonymous
  106. Algebra, Intermediate

    How do I set up my equation for 18 wheeler with 71 fridges and 118 TVs and 51 fridges and 176 TVs with my graph showing (0,330) and (110,0)? Page 539 problem 68 Thanks!

    asked by nightflies
  107. Philosophy(Having Problems)

    Hi, I would appreciate if someone can let me know what they think about the answer that I choose for these questions? Mortimer argues that right actions are the ones that: a.We believe to be right. b.Are culturally valid. c.God commands us to perform.

    asked by Monte
  108. math

    Solve the equation. (Find only the real solutions.) (2x)/(x+1) = (2x-1)/(x)

    asked by Carol
  109. Math

    A sequence is given by Un=a(1-2n).determine the first 3 term of sequence

    asked by Dammy
  110. math (sets)

    { 1,2.3,..........,210 } How many numbers in the above set are multiples of 3 but not 9 ? a. 46 b. 47 c. 48 d. 69 e. 70 please answer and explain

    asked by Thomas
  111. MATH

    Find the exact values. (a) tan(π/3) = ? (b) sin(7π/6) = ? (c) sec(5π/3)= ?

    asked by Bob
  112. math ( Terminology )

    The " lumper " of a number is equal to the sum of all the prime numbers less than that number. If the lumper of x is equal to the lumper of x + 3, which of the following is a possible value of x ? a. 7 b. 8 c. 9 d. 10 e. 11 please answer and explain

    asked by Thomas
  113. Mathis

    You have £100 you have to buy 100 animals. 1 chicken costs 50p,1pig costs £10,1 sheep costs £2?

    asked by Liam
  114. math

    mary deposited dimes and quarters into the coinstar machine at her local grocery store. the total money she deposited was 22.15. if mary had 84 dimes, write and solved a linear equation to find the number of quarters she had.

    asked by Arif
  115. math

    mary deposited dimes and quarters into the coinstar machine at her local grocery store. the total money she deposited was 22.15. if mary had 84 dimes, write and solved a linear equation to find the number of quarters she had

    asked by Arif
  116. english

    I need help paraphrasing this paragraph. Because addiction treatment aims to change deeply embedded habits, relapse can be part of the process. However, this is a well-known feature of diabetes, hypertension, asthma, and other chronic diseases with

    asked by annette
  117. Math

    14

    asked by Seyi
  118. AP Chemistry

    Why would .25 molality of CaCl2 have a larger effect on the freezing point of water than .25 molality of NaCl?

    asked by Diamond
  119. News/stereotype more

    OK I have a my example On August 16, 2013, three teens -- one white, and two black shot -- and killed Christopher Lane, an Australian attending school in Oklahoma, while he was out for a jog. Fox and Friends and The Daily Caller have compared it to the

    asked by Blaze