Questions Asked on
July 5, 2013

  1. Math

    What is the rounded off number,to the nearest gram,of 4.86932 kg

    asked by Oliver
  2. Chemistry

    The Henry's law constant for CO2(g) in water at 25 °C is 29.4 bar·M–1. Estimate the concentration of dissolved CO2(g) in a carbonated soft drink pressurized with 1.95 bar of CO2(g).

    asked by Matt
  3. MATH

    Carol Byrd gets a student rate of $30.00 a month for health insurance. There is a $250 deductible. She recently received treatment for a covered condition. The bill was $2,300.00. Carol's insurance company provided payment of 80% of the bill less the

    asked by Bria S. CAN YOU HELP
  4. english

    1. Choose the answer that displays the correct spelling of the plural form of the words in parentheses. How many (praying mantis) will we have to import to fight the (grasshopper)? 2. Choose the answer that displays the correct spelling of the plural form

    asked by ashley
  5. chemistry

    the molarity of 2% by weight of aqueous solution of H2S4(molecular weight = 98)

    asked by Samuel
  6. trigonometry

    A mini toy helicopter ascends 50 feet vertically, then flies horizontally 200 feet. Find the angle of elevation to the helicopter now as seen by an observer at the takeoff point. Round to the nearest degree

    asked by Anonymous
  7. Math

    A certain car costs $11,595 before taxes are added. Taxes are $860 and license tags cost $95. What is the overall tax rate (to the nearest tenth)? %

    asked by Bria S. (Explain Pls)
  8. math

    Ginny Jones receives $650 gross salary biweekly. Her income tax rate is 15%. Her group health plan contribution is $24.50 per pay period. She belongs to the company retirement plan, to which she contributes 6.5% of her earnings. She is also covered under

    asked by Bria S.
  9. physics

    Two racquetballs, each having a mass of 144 g, are placed in a glass jar as shown in in the figure below. Their centers lie on a straight line that makes a 45° angle with the horizontal.

    asked by Anonymous
  10. earth

    The capital letter(s) that label a rock unit (e.g., KJk) on a geologic map represents the rock unit's

    asked by yesenia
  11. math

    Carol Byrd gets a student rate of $30.00 a month for health insurance. There is a $250 deductible. She recently received treatment for a covered condition. The bill was $2,300.00. Carol's insurance company provided payment of 80% of the bill less the

    asked by Bria S.
  12. physics

    Two racquetballs, each having a mass of 147 g, are placed in a glass jar as shown in in the figure below. Their centers lie on a straight line that makes a 45° angle with the horizontal.

    asked by Anonymous
  13. math

    Find the approximate increase in the area of a circular disc if its diameter is increased from 44cm to 44.4cm

    asked by azeem
  14. Thermodynamics

    27.300kg of Copper at 35.000 degrees Celsius receives 460.000kJ of heat. Calculate the final temperature of the metal. ANS = degrees Celsius Copper specific heat = 0.39kJ/kg degrees Celsius. Q = mc (t2 - t1) Q = 460.000kJ m = 27.300kg c = 0.39kJ/kg t1 = 35

    asked by Danny
  15. BioStats

    An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at r = 0.35. The study involves n=125 participants and the mean (std dev) age is 44.3 (10.0) years with an age range of

    asked by Simone
  16. math

    The distribution of heights of adult American men is approximately normal with a mean of 68 inches and a standard deviation of 2 inches. What percent of mean are at least 72 inches tall? Thanks!!

    asked by Anonymous
  17. math

    An 80% acid solution is to be mixed with a 30% solution to get 90 gallons of a 50% solution. How many gallons of each solution are needed?

    asked by Monica
  18. Calculus

    Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 16 feet

    asked by Robin
  19. math

    Can somebody please help me with this. thank you 89___89 the second 89 has a solid line on top of the number. Is this equal or greater than or equal to 89 without the line No one has answered this question yet.

    asked by iris
  20. Chemistry

    A tire is rotating 600 times per minute. Through how many degrees does a point on the edge of the tire move in 1 minute? In 1 second?

    asked by Jade
  21. math

    Two cars leave at the same time from towns that are 460 miles apart and travel toward each other. They meet after 4 hours. Find the rate of each car if one car travels 13 miles per hour faster than the other.

    asked by Monica
  22. math

    a ship leaves a port at 6 am traveling due east at 12mph. another ship leaves a port 11 am traveling due north at 15 mph. how far apart are they at 11pm to the nearest tenth mile?

    asked by megan
  23. helllllppp math

    In a tetrahedron ABCD, the lengths of AB, AC, and BD are 6, 10, and 14 respectively. The distance between the midpoints M of AB and N of CD is 4. The line AB is perpendicular to AC, BD, and MN. The volume of ABCD can be written as a√b, where a and b are

    asked by lin
  24. phy

    (Q1)At what altitude above the earth's surface would the acceleration due to gravity be 4.9m/s-2?Assuming the mean radius of the earth is 64000000meters and the acceleration due to gravity 9.8m/s-2 on the surface of the earth

    asked by ikye
  25. Math

    Four different brands of 18 ounce peanut butter were randomly selected from a grocer's shelves; their contents were weighed. Use these results to determine which company fills its jars more consistently? Answer Bama: 18.11, 17.98, 18.03, 17.99, 17.95

    asked by Anonymous
  26. math

    Carol Byrd gets a student rate of $30.00 a month for health insurance. There is a $250 deductible. She recently received treatment for a covered condition. The bill was $2,300.00. Carol's insurance company provided payment of 80% of the bill less the

    asked by Bria S.
  27. Statistics

    A district mathematics test for all third graders had a normal distribution with a mean of 74 and a standard deviation of 11. What percentage of the third graders tested scored with +1 and -1 standard deviation of the mean?

    asked by Anonymous
  28. College Algebra

    A pharmaceutical salesperson receives a monthly salary of $2480 plus a commission of 7% of sales. Write a linear equation for the salesperson's monthly wage W in terms of sales S. W(S) =

    asked by Jack
  29. geology

    Wood fragments from the floor of a palace in Syria - Syro-Hittite period. Date: 675 ± 50 years BCE

    asked by Anonymous
  30. English

    Mark Twain used the characters his novel "Adventures of Huckleberry Finn" to show his contempt for the romantic style of literature. List three examples from the text that support the label for each character. Huck Finn- Realism Tom Sawyer- Romanticism

    asked by Jake
  31. statistics

    If I know that a set of test scores has a mean of 75 and a standard deviation of 8 what can I conclude?

    asked by allison
  32. algebra

    a single ball is drawn from an urn containing 4 balls numbered 1 through 4. find the probability that the ball chosen is as follows: an even numbered ball or an odd numbered ball

    asked by Sandi
  33. business math

    using the exact interest method 365 days, find the amount of interest on the following loans, principal is $1,700, the rate is 121/2 percent, time days is 33. what is the exact interest

    asked by Anonymous
  34. Business Communications - English 101

    Is first paragraph punctuation correct? (no missing commas, etc) 2nd paragraph - would it be a period or a semicolon? Thanks!!! It will be our pleasure to welcome you and your staff to Tampa, Florida, on January 8. All of the tour arrangements you have

    asked by MaryBeth
  35. English

    1.The psychology of children coping with sexual abuse 2.Adolescents who commit suicide 3.Self-inflicted pain as a response to grief/abuse Throughout the years, many young women have always struggled for freedom to deal with the problems they have. Such

    asked by Jennifer Han
  36. math

    A district mathematics test for all third graders had a normal distribution with a mean of 74 and a standard deviation of 11. What percentage of the third graders tested scored with +1 and -1 standard deviation of the mean?

    asked by Anonymous
  37. algebra 2

    Consider the exam data below. Algebra score: 20 35 13 29 40 23 Calculus score: 41 69 34 72 86 58 Use your calculator to find the regression line for this data, and graph it on your scatterplot. b. Interpret the slope and intercepts of this line in the

    asked by Rachel
  38. Spain

    After the Visigoths, what group invaded the Iberian Peninsula? How long did their reign last?

    asked by Susan
  39. English

    In Adventures of Huckleberry Finn, Jim and Huck both decide that their relationships with their friends and loved ones are more important than their freedom, lives, and in Huck's case, his soul. Do you think modern heroes can make the same kinds of

    asked by Jake
  40. heeeeeeeelp math

    In triangle ABC, ∠A=20∘ and ∠B=80∘. Let D be a point on line segment AB such that AD=BC. What is the measure (in degrees) of ∠ADC?

    asked by lin
  41. Trig

    A tire is rotating 600 times per minute. Through how many degrees does a point on the edge of the tire move in 1 minute?

    asked by Jade
  42. physics

    A capacitor has stored energy U. If the voltage and plate separation are both doubled, the new stored energy is ____.

    asked by Anonymous
  43. maths

    (Q1)a+3b+2c=3,2a-b-3c=-8,5a+2b+c=9.solve for a,b&c by matrix method. (a)2,9,3(b)4,(-3),1(c)7,5,5(d)3,(-4),7 (Q2)a+2b+3c=5,3a-b+2c=8,4a-6b-4c=2.find a,b&c by Guassian method.(a)1,4,9(b)4,(-5),5(c)5,(-3),9(d)(-1),5,10

    asked by jane
  44. Algebra 2

    The probability that it will rain on each of the next 5 days is 50%. What is the probability that it will rain for 3 of the next 5 days?

    asked by Anonymous
  45. Algebra 2

    A gas station is giving away free glasses with 5 different designs. What is the probability of collecting all 5 in 15 visits to the gas station?

    asked by Anonymous
  46. english

    Choose the answer that displays the correct spelling of the plural form of the words in parentheses. Ancient (Roman) used (goose) as (guard) to warn of (enemy) approaching the camp.

    asked by alex
  47. Math

    The Treasury Department auctioned $30 billion in three-month (13-week) bills in denominations of ten thousand dollars at a discount rate of 9.227%

    asked by Lulu
  48. heeeeeelp computer

    A Harshad Number in a given number base is an integer that is divisible by the sum of its digits when written in that base. For example, the number 11 in base 5 (which is 6 in base 10) is divisible by 1 + 1 = 2 in base 5. It is therefore a Harshad number

    asked by lin
  49. math

    When I went kite flying the other day, I let out an entire roll of string (400 feet). If when the string pulled tight formed a 40 degree angle with the ground, about how high was the kite?

    asked by megan
  50. business math

    what is the maturity value of the following loans using MV=P(1+RT to find the maturity values,$120,740 principal, 11 3/4 rate, 7months for time

    asked by Anonymous
  51. algebra

    Two commons sources of nicotine are cigarettes and cigars. Find the probability that a randomly selected adult does not smoke cigarettes.

    asked by Sandi
  52. physics

    A football, if it was kicked when initially at rest, is inflated such that it will move in the direction of the kick with h=0.8 of the kicking foot's velocity We now consider the same ball being kicked while it's moving towards the football player's foot.

    asked by anonim
  53. Algebra1 HELP PLEASE

    Solve 7⋅x = x2 - 6 by using the Quadratic Formula. Round to the nearest tenth.

    asked by lisa
  54. Science

    Explain the bonding in sodium metal. You may wish to include a diagram. The atomic number for Sodium is 11

    asked by Anonymous
  55. math

    Wendy invested $6500.00 into two bank accounts, one paying 4% simple interest and the other paying 6%. If her annual interest from the two accounts is $344, how much did she invest at 6%?

    asked by Monica
  56. math

    Determine an expression for f(x) in which: f(x) is cubic, f(x) ¡Ý 0 when x ¡Ü 2, f(x) < 0 when x > 2, and f(0) = 4

    asked by FUNCTIONS
  57. math

    The following set of points belong to a specific function: {(-3,0)(-2,4), (-1,0), (0,-6),(1,-8), (2,0),(3,24)} Based on the set of points answer the following questions: a) What type of function does it produce? Justify your answer. b) Write an equation

    asked by FUNCTIONS
  58. Chemistry

    The pH of a 0.10 M solution of a certain acid is 3.25 at 25°C. What is the pH of a 0.010 M solution of the same acid at the same temperature?

    asked by Nat
  59. Chemistry

    The pH of a 0.10 M solution of a certain acid is 3.25 at 25°C. What is the pH of a 0.010 M solution of the same acid at the same temperature?

    asked by Nat
  60. ststistics

    what is the main different of ststistics and maths

    asked by zekarias kasssa
  61. heeeeeeeelp math

    Find the smallest n such that for some prime p, at least 20 of the numbers 1,2,...,n are quadratic non-residues modulo p.

    asked by lin
  62. heeeeeeeeeeelp math

    A strip of 41 squares is numbered 0,1,2,…,40 from left to right and a token is placed on the square marked 0. Pinar rolls a pair of standard six-sided dice and moves the token right a number of squares equal to the total of the dice roll. If Pinar rolls

    asked by lin
  63. Physics

    A 4000N block is moved up a slope that is 20 degrees to the horizontal. If the coefficient of friction is 0.3, find the force parallel to the slope to: a) move the load up the slope b) prevent the load from sliding back

    asked by Ted
  64. phy

    (Q1)What is the orbital radius and speed of a synchronous satellite which orbits the earth once every 24h? Take G=0.0000000000667Nm2/kg2. Mass of the earth is 598000000kg (a)4200000m and 31000m/s (b)5600000m and 4300m/s (c)430000m and 5000m/s(d)3400000m

    asked by ikye
  65. government

    Hello, I am to write a paper that critically analyzes a current,domestic or foreign political issue of importance to the United States. I want to write about the war in Iraq. If that is not correct do someone have any suggestions on a topic.

    asked by angela
  66. Spain

    What cultural aspects of the Moors can be found in Córdoba and other Southern cities in Spain?

    asked by Susan
  67. Health care

    1. Wrongful death statutes create a right to collect damages for A. loss to the patient's estate of future earnings. B. loss to familial quality of life. C. punitive damages D. pain and suffering of the patient. My answer A 2. Elizabeth says duty of care

    asked by Kim
  68. math

    Two metal alloys, containing 26% copper and 54% copper are to be mixed together to get 210 oz that is 30% copper. How much of each should be used?

    asked by megan
  69. Trig

    Suppose a CD player makes 48 revolutions per minute. Through how many degrees will a point on the edge of a CD move in 1 minute? In 2 sec?

    asked by Jade
  70. advanced functions

    Solve for x, x ϵ R a) (x + 1)(x – 2)(x – 4)2 > 0

    asked by FUNCTIONS
  71. Algebra 2...

    Palmer and teller go to the local ice cream parlor after work that offers 40 flavors of ice cream. Palmer wants a cone with chocolate mousse on top, cherry truffle in the middle, and double Dutch chocolate on the bottom. Teller wants a dish with

    asked by Anonymous
  72. algebra

    perform the subtraction (8a+2b)/(8a^(2)+2ab-3b^(2))-(a+2b)/(16a^(2)-ab^(2))

    asked by jamie
  73. bacteria

    at 52 degrees F, how fast does bacteria grow? At 37 degrees F, how fast does bacteria grow?

    asked by rose
  74. help please

    It is recommended that a person ________ to manage and reduce stress. A. Talk to family and friends B. Eat more frequently C. Beat oneself up D. None of the above I think its a?

    asked by barbara
  75. Calculus

    Find a general solution to each first – degree ODE. If an initial condition is given, find the corresponding particular solution. Write all solutions explicitly if possible. dr/dè = r^(2)/è

    asked by Sara
  76. Chemistry

    The pH of a 0.10 M solution of a certain acid is 3.25 at 25°C. What is the pH of a 0.010 M solution of the same acid at the same temperature?

    asked by Nat
  77. Newtons square meters

    What's the pressure exerted by a 150 newton person standing on an area converted by the persons shoes of 0.20 square meters? Help please

    asked by Areli
  78. Psychology

    Why is determining abnormal behavior or a mental disorder so difficult? In 2 paragraphs please . :)) Thank you :)

    asked by Rey
  79. math

    John has a box that contains one red ball and one blue ball. Every minute he reaches into the box and randomly takes out a ball from it (without looking). No matter which ball he took out, he puts it back together with another ball of the same color. Thus,

    asked by GT
  80. Physics (help steve)

    A thin aluminum ring hangs vertically from a torsion spring. A torsion spring when twisted exerts a restoring torque given by τ=−κθ where θ is the angle of twist. Suppose that the ring undergoes small torsional oscillations while it is being cooled

    asked by Bob
  81. Chemistry

    Suppose a CAV player makes 48 revolutions per minute. Through how many degrees will a point on the edge of a CD move in 1 minute? In 2 sec?

    asked by Jade
  82. psy/315

    What is the comparison distribution and why is it important in hypothesis testing?

    asked by Anonymous
  83. math

    Would a repetitive number be greater than the same number that is not repetitive?

    asked by iris
  84. advanced functions

    Solve for x, x ϵ R ¨Cx3 + 25x ¡Ü 0

    asked by FUNCTIONS
  85. math

    factor (m/4 + n/3)(3m/4 - 2n/3) Is this the answer? if not, what did I do wrong? 3m^2/16 + mn/12 - 2n^2/9

    asked by megan
  86. math

    No idea. Please help. Is 20 times 5/6 g reater than or less than 20? How do you do it? Second question What is 4/5 of 2/3?It shows a square and says find answer on the model. Any help, please

    asked by sam
  87. Algebra 2...

    I have a pack of cards. I draw one card,then a second card without putting the first card back in the pack. What is the probability that I draw two aces?

    asked by Anonymous
  88. Algebra 2

    Palmer and teller go to the local ice cream parlor after work that offers 40 flavors of ice cream. Palmer wants a cone with chocolate mousse on top, cherry truffle in the middle, and double Dutch chocolate on the bottom. Teller wants a dish with

    asked by Anonymous
  89. Business

    Is "pharmacy" a business or a profession?

    asked by Rachel
  90. chemistry

    caculate 230 ml of 1.1 molarity HCl solution

    asked by Kiki
  91. algebra1 HELP PLEASE

    find the value of x and y that make each equation true -4+(y)^i=-12x-i+8 please show the steps thanks

    asked by lisa
  92. business math

    what is the maturity value of the following loans using MV=P(1+RT to find the maturity values,$120,740 principal, 11 3/4 rate, 7months for time

    asked by Anonymous
  93. algebra 2

    You are selling tickets for the homecoming football game. Student tickets cost $4 and general admission tickets cost $6. You sell 450 tickets and collect $2340. How many of each type of ticket did you sell? A. Not enough information B. 180 students;270

    asked by Sam
  94. Social Studies

    Who were the Visigoths and what was their most important contribution to Spanish culture

    asked by Susan
  95. stats

    tire co. has produced 614 tires a day. (standard dev. of 36). they changed process to see if it increases amount of tires made. The sample mean is 620. alpha is .05 and n=16

    asked by carole
  96. foreign language

    How do you use the appropriate forms of the adjectives simpatico, dificil, aleman, and guapo?

    asked by sandra
  97. math

    Complex numbers α and β satisfy αα¯=ββ¯=−17,α+β=7i. What is the value of αβ? α¯=conjugate of α β¯=conjugate of β

    asked by Jak
  98. Social Studies

    How did the Visigoths, who practiced Christianity, come to practice Catholocism?

    asked by Susan
  99. math

    solve for c: 3/4(2c+3)+3/5(8c-2)=9c

    asked by megan