Questions Asked on
January 6, 2011

  1. Calc

    The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours. a) Find the initial population. b) Write an exponential growth model for the

    asked by Erica
  2. chemistry

    13. The salt that is formed during the reaction between potassium hydroxide and hydrochloric acid is _____. (1 point) NaCl H2O KCl K2Cl

    asked by artem
  3. Geography & World Cultures

    Find a formal factor that connects Egypt to Africa, to Europe, and to Southwest Asia ?

    asked by Katiee
  4. statistics

    a study of the time spent shopping in a supermarket for a market basket of 20 specific items showed an approximately uniform distribution between 20 minutes and 40 minutes. What is the probability that the shopping time will be a) between 25 and 30

    asked by ann
  5. physics

    lake point tower in chicago is the tallest apartment biulding in the united states (although not the tallest biulding in which there are apartments). supose you take the elevator from street level to the roof of the biulding. the elevator moves almost the

    asked by Adriana
  6. physics

    a 2 kilogram rifle initially at rest fires a 0.002 kilogram bullet. as the bullet leaves the rifle with a velocity of 500 meters per second, what is the momentum of the rifle bullet system? isn't the answer one because final momentum minus initial momentum

    asked by john
  7. math

    Multiple choice question. Describe all symmetries of a square. A) 2 lines of reflectional symmetry B) 2 lines of reflectional symmetry, 180 degree rotational symmetry C) 4 lines of reflectional symmetry D) 4 lines of reflectional symmetry, 90 degree

    asked by m
  8. physcis

    Calculate the total energy of 2.0 kg object moving horizontally at 10 m/sec 50 meters above the surface.

    asked by Nallely
  9. AP PHYSICS MECH.

    A simple pendulum, consists of an object suspended by a string. The object is assumed to be a particle. The string, with its top end fixed, has negligible mass and does not stretch. In the absence of air friction, the system oscillates by swinging back and

    asked by vm
  10. Geometry... Please help soon!

    Write four arguments that meet the following criteria: Argument 1: The argument has a false premise, but follows good logic. Argument 2: The argument has true premises, but follows poor logic, leading to a false conclusion. Argument 3: The argument has

    asked by Joan
  11. Physics

    A 250kg anvil is sitting on a table. What is the normal force on the anvil ?

    asked by Nateisha
  12. chemistry

    Write word equations for the following chemical reactions. a. Pure copper can be produced by heating copper(II) sulfide in the presence of diatomic oxygen from the air. Sulfur dioxide gas is also produced in this reaction. b. Water is formed by the

    asked by sec 8.1
  13. calculus

    a company is designing shipping crated and wants the volume of each crate to be 4 cubic ft and the crate;s base to be a square between 1 and 1.5 ft per side. if the material for the bottom costs $5, and the side $3 and the top $1 per square foot. what

    asked by poke-it
  14. chemistry

    Calculate how many moles of productwould be produced if .310 mol of the first reactant were to react completely. (a) CO2 + 4 H2 ¨ CH4 + 2 H2O CH4 _____ mol H2O _____ mol (b) C3H8 + 5 O2 ¨ 4 H2O + 3 CO2 H2O _____ mol CO2 _____ mol (c) 3 H2SO4 + 2 Fe

    asked by Anonymous
  15. Calc

    A body of an unknown temperature was placed in a room that was held at 30°F. After 10 minutes, the body's temperature was 0°F, and 20 minutes after the body was placed in the room the body's temperature was 15°F. Estimate the body's initial temperature.

    asked by Erica
  16. calculus

    You are designing a rectangular poster to contain 256 in2 of printing with a 3-in. margin at the top and bottom and a 2-in. margin at each side. What overall dimensions will minimize the amount of paper used?

    asked by Taylor
  17. physics

    a passenger at an airport pulls a rolling suitcase by its handle. If the force used is 10N and the handle makes an angle of 25 degrees to the horizontal, what is the work done by the pulling force while the passenger walks 200m?

    asked by mandy
  18. math

    the area of a certain rectangle is 288 yd squared. the perimeter is 68 yards. f you double the length and width what will be the area and perimeter of the new rectangle

    asked by Anonymous
  19. physics

    a 5 kg box slides a 10m distance on ice. if the coefficient of kinetic friction is .20, what is the work done by the friction force?

    asked by alana
  20. math

    When chords intersect in a circle, the vertical angles formed intercept congruent arcs. always sometimes never

    asked by danny
  21. statistics

    If you buy one ticket in the Provincial Lottery, then the probability you will win a prize is 0.11 what is the probability that you would first win when you purchase the second ticket?

    asked by Sky
  22. Science

    Imagine an environment that is very dry and receives a lot of sunlight. Water is found deep below the soil. Which of the four groups of plants could survive in this environment? Explain your answer.

    asked by Anna
  23. Science: Physics

    A physics teacher shoots a .30 caliber rifle at a 0.47 kg block of wood. The rifle and wood are mounted on separate carts that sit atop an air track (like a linear air hockey table--ie. frictionless). The 5.7 kg rifle fires a 27 gram bullet at 227 m/s in

    asked by Joan
  24. Physics

    An unbalanced forced of 2.5x10^3N is applied to an object with a weight of 3.0x10^3N on a frictionless surface. What is the objects acceleration?

    asked by Clement
  25. Algebra

    I have an exponent properties test tomorrow, its our last one before the final, so its important, but anyways, there is one question on the review that is confusing me. Could you please help? Here it is : (2y2x7)(-xy)(9x-3y) I don't know if the exponents

    asked by Abigail
  26. physics

    Two point charges are fixed on the y axis: a negative point charge q1 = -22 µC at y1 = +0.24 m and a positive point charge q2 at y2 = +0.37 m. A third point charge q = +7.7 µC is fixed at the origin. The net electrostatic force exerted on the charge q by

    asked by michelle
  27. work

    In Twain's "The Private History of a Campaign that Failed," Smith, the blacksmith's apprentice, is given "ultimate credit" for

    asked by Anonymous
  28. Science

    Why does a balloon burst if you keep on blowing?

    asked by Sean
  29. chemistry

    1. why is it necessary to use boiled and cooled water in the dilution of the carbonate sample? 2. an aliquot of the diluted sample is titrated with some standard HCl until near the equivalence point, then it is boiled for 2-3 minutes. why should we boil

    asked by angelo
  30. College Algebra

    Investment A: $5,000 invested for 7 years compounded semiannually at 9%. Investment B: $ 6,000 invested for 5 years compounded quarterly at 4.1%. Find each total for each investment and determine which investment results are greater.

    asked by Shawntee
  31. science

    a car traveling 20m/s brakes and takes 3s to stop. what is the acceleration in m/s2?

    asked by Tia
  32. english

    What are some abstract word for 1.quaterback 2.scream 3.perfume 4.pepper 5.bruise 6.dog 7.binoculors 8.teeth 9.lamb 10.book

    asked by libra1017
  33. computers

    how can you apply the concept of readability,reusability,reliability in your use of worksheets?

    asked by Anonymous
  34. 6th grade

    car traveling 20m/s brakes and takes 3s to stop. what is the acceleration in m/s2?

    asked by amy m
  35. physics

    two balls collide in a head on elastic collision and rebound in opposite directions. One ball has velocity 1.2 before the collision and -2.3 after. the other ball has a mass of 1.1 kg and a velocity of -4.2 before the collision. What is the mass of the

    asked by jay
  36. statistics

    Your friend is thinking about buying shares of stock in a company. You have been tracking the closing prices of the stock shares for the past 90 trading days. Which type of graph for the data would be best to show your friend?

    asked by blueyeshadow
  37. physics

    Two point charges are fixed on the y axis: a negative point charge q1 = -22 µC at y1 = +0.24 m and a positive point charge q2 at y2 = +0.37 m. A third point charge q = +7.7 µC is fixed at the origin. The net electrostatic force exerted on the charge q by

    asked by michelle
  38. geometry

    In the rhombus ABCD, AB=10 and AC=12. Find the area of the rhombus. I am confused about how to solve this problem.

    asked by Anonymous
  39. algebra

    what is a function rule for the perimeter P of a building with a rectangular base if the width w is 2x the length l?

    asked by The master
  40. basic economics mastrianna

    will economics ever develop into an exact acience?

    asked by gulnaz makhmudova
  41. Math

    Find the odds. A basketball player with a free throw shooting percentage of 60% gets fouled and goes to the line to shoot free throws. What are the odds in favor of her making her first shot?

    asked by Rena
  42. algebra(Math I)

    A triangle's base is 14 inches less than 2 times its height. If h represents the height in inches, and the total area of the triangle is 54, which of the following equations can be used to determine the height? A. 7h-h2=54 B. 2h2-14h=54 C. h2-7h=54 D.

    asked by lewis
  43. calculus

    Find the area and dimensions of the largest rectangle (with sides parallel to the coordinate axes) that can be inscribed i nthe region enclosed by the graphs of f(x)=18-x^2 and g(x)=2x^2-9.

    asked by Taylor
  44. social studies

    How did Hindus and Buddhists look at social class differently? Hindus looked at social class as the type of group you're in and the duties you have. But, Buddhists looked at social class as something that didn't determine a person's place in life. Is this

    asked by Reed
  45. Physcis 30

    Q1) If there are 100 radioactive atoms with a half-life of 30 seconds, how many radioactive atoms will remain after one half-life (30 seconds)? How many will remain after two half-lives (60 seconds)? Three half-lives? So basically, after 30 seconds it will

    asked by Marium
  46. chemistry

    using the balanced equation for the fermentation reaction, calculate for the theoretical amount of alcohol to be produced using 10 grams of sucrose. 0.79 g/ml is ethanol's density.

    asked by mae
  47. math/number sense

    shawna thinks that 8*2=17. what number pattern shows that she is not correct?

    asked by shy
  48. physics

    A man weighing 500 newtons sits in swing suspended with two ropes if each rope makes an angle of 30 degree with the vertical, what is the tension in each rope?

    asked by Liezel C. Cruz
  49. Grammar

    Readthe sentences. Write the first letter of the type of figurative language used in each sentence, S=Simily M=Metaphor H=Hyperbole P=Personification 1. The wind whistled through the trees. P 2. I am so hungry I could eat a horse. H 3. She was as quiet as

    asked by Tiffany Jade
  50. math

    write the unit rate as a ratio.then find the equal ratio

    asked by Tameria
  51. geometry

    If AB = 21 centimeters, and BC = 28 centimeters, which does AC equal?

    asked by jonjanay
  52. us history

    Why did US policymakers feel the need to secure new markets abroad in the late 1800s?

    asked by Makhmud
  53. Geometry

    Find the area of the rhombus: In rhombus ABCD, AB=11 and AC=13. Find the area of the rhombus. What should be done to find the values of the diagonals?

    asked by Anonymous
  54. math

    there are 4 possible scoring plays in NFL football game:touchdown=6 points;point after touchdown=1 point;feildgoal=3 points;and safty=2 points a. how many different ways could the team score 11 points? b. what final scores, between 1 and 30, are not

    asked by hailey
  55. Fine Arts

    This is the answer I got for #26 (The last question I posted): The Counter-Reformation was an effort by the Catholic Church to lure people back and to regain its former power. Art played a major role in this movement to encourage people to return to the

    asked by mysterychicken
  56. Math

    A cube has a volume of 24 cubic units. What is the APPROXIMATE length of each side of the cube?

    asked by Kayla
  57. Physics

    A 900W motor is used to lift 275.51kg of bricks a distance of 30, to the roof of the building. a. If the motor ran for 90s how much work did it do? b. What is the potential energy of the bricks? I know how the calculate work, but I'm really confused about

    asked by Jacie
  58. English

    Can you pleas check these sentences for me, please? Thank you. 1) Your sentences are either confused or do not make sense at all. You mixed tenses, gender and even invented words! I think you should re-write each paragraph checking in your literaure book

    asked by Franco
  59. Physics

    Does the frequency of light change as it enters a different substance? I know that the speed changes. The question might seem easy, but I have contradicting notes, so I'm confused.

    asked by anon
  60. 7th grade math

    6+x=2x-14. I'm not to sure how to solve this type of equation.

    asked by Allison
  61. math

    A 45-yr-old woman with a resting heart rate of 65 beats per minute should keep her heart rate between 131 and 153 beats per minute while exercising. She checks her pulse for 10 sec while exercising. What should the number of beats

    asked by Professor Mac
  62. Math

    Okay I have a scatterplot, so I have points on the graph. I need to use these points (without using regression on my TI-83) to discover a cubic function that would fit the data (as a sort of trend line). How do I go about this? I looked up the graphing

    asked by Lauren
  63. com170

    Write five sentences about the role of education in successful financial planning in the spaces on the following page. Correctly use a different verb tense in each sentence. Highlight each verb in yellow and identify the tense in parentheses. 1. Education

    asked by jana
  64. ant

    What does Miner's piece tell us about the difficulty of describing another culture?

    asked by sharon
  65. Chemistry

    Aluminum wire is sold on 10 pound spools (100.00 lbs). The diameter of a 12 gauge aluminum wire sold on these spools is 0.0808 inches. If the density of the aluminum is 2.70 g/ cm3. Wat is the length ( in meters) of the wire on the 10 pound spool of 12

    asked by leia
  66. trig

    prove that :tan20 tan30 tan40 =tan10

    asked by mostafa
  67. Physics

    A pendulum is swinging back and forth. At its lowest point it has a speed of 4 m/s. It has a mass of 1 kg. a. How much KE does it have at it's lowest point? I got 8 Joules. b. At its highest point it is not moving. How much potential energy does it have

    asked by Jacie
  68. Geometry

    If AB = 3x +8 and GJ = 2x +24 what is AB? AB and GJ are ||

    asked by Nick
  69. smith

    tom can mow a lawn in 4 hours. perry can mow the same lawn in 5 hours. how long for them to mow the lawn together?

    asked by mike
  70. English Thesis Paper

    I'm writing my thesis paper on bullying and I need help writing a thesis statement about how to overcome and prevent the different types of bullying (school and cyber bullying mainly).

    asked by JD
  71. algebra 1 8th Grade

    Find the constant of variation for the direct variation. F(x)=4.5x

    asked by shanequa
  72. writing in math

    stacy multiplied 589 and said the answer was 44. what two patterns could you use to show that her answer is not correct?

    asked by shy
  73. algebra

    Two rectangles have the same width. The length of one is 1 foot longer than the width. The length of the other is 2 feet longer than the width. The larger rectangle has 5 more square feet than the smaller. What is the width of the rectangles

    asked by Anonymous
  74. 6th grade

    hi I am trying to help my daughter do her homework I don't have the formula to sovle the problem during rush hour traffic in the big city it can take 1.5 hour to travel 45km. what is the average speed in km/h for th trip

    asked by amy m
  75. math

    A grocer get food from three suppliers. They deliver every 5 days, 6 days, and 7 days, respectively. All three came today. When will they all deliver on the same day again?

    asked by emily
  76. math

    what inequality is true if x=3.04/1.48, y=1.99+0.33, and z=(1.3) to the 3rd power

    asked by Tiana
  77. physics pleaaaaaaaaaaaaaaaaaaaaaaaaaaaaaase I need

    Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C. Find the central mass of the obtained shape after removing the small cutten sqaure. I appreciate your help. thank you

    asked by J
  78. Math (important!)

    We are doing a small group project and my group members and I are very confused. The project description: Using the variables provided below, you are working with your group to make a recommendation to the township directors. Currently we mow the grass

    asked by Lindsey
  79. Algebra II

    Write each polynomial as the product of two binomials. What's the answers? (x - 12)9 + x(x - 12) x(x + 7) + 9(x + 7) (x - 10)-9 + 7x(x - 10)

    asked by Tory
  80. English

    Students are often confused about the use of the words good and well in their writing. Write a 100-word to describe five details from her book that are good and five details about the book that are written well.

    asked by Scott
  81. Math

    write a formula that gives you the number of regions formed when x points are placed on a circle and all possible chords are drawn. ex. 2pts has 2 regions, 3pts has 4 regions, 5pts has 17 regions

    asked by carl
  82. business math

    An Amusement park purchased equipment from a manufacturer for a list price of $42,000.00 minus trade discounts of 30/20/15. Calculate the amount of the trade discount on the purchase.

    asked by annie
  83. 7th grade math

    500 divided by 100 explain the decimal movement when dividing by 100.

    asked by nick
  84. math

    A two-liter bottle of soda is a little more than 2 _____ or 1/2 of a ____.

    asked by Elisabeth
  85. Geometry

    In right triangle ABC, the median to the hypotenuse has length 15 units and the altitude to the hypotenuse has length 12 units. What is the legth of the shorter leg of triangle ABC?

    asked by Jake
  86. math

    1 meter^3 = _________centimeters^2 1 kilometer^2 = __________ meters^2

    asked by Elisabeth
  87. Math

    A line is parallel to 5x+2y-8=0 and has the same y-intercept as x+4y-12=0 Find an equation for the line.

    asked by Mathew
  88. calculus

    How do you find the derivative of (-2(x^2+1))/((x^2-1)^2) ? I have the answer which is: (4x(3+x^2))/(x^2-1)^3) I can't figure out my mistake when I'm doing it though. Could you solve it step by step?

    asked by Jordan
  89. Physics

    A girl sits on a merry-go-round at the position marked by the brown circle. A boy gives the merry-go-round a constant tangential push for 0.21 seconds as shown in the animation (position is in meters and time is in seconds). What is the magnitude of the

    asked by teal
  90. Trigonometry

    ``(please show the steps to how the problems were solved) Using exact values, find the value of: A.12sin 30 degree - 6 tan 45 degree + sec 45 degrees/ 52 B.Sin2A + tan3A/2 - cos A + sec(a+ 15), when A=30degrees

    asked by Anon
  91. Algebra

    Use P= -7200+300x-2x^2 p= profit x- selling price question: Determine the selling price when 90% of the maximum possible profit is earned

    asked by Holly
  92. Math

    1. Find the volume of a rectangle prism with the length 4m, width 6m, and height 11m. 2. 3 1/2 yards = _____feet? 3. How many days are in 624 hours? 4. 4.39 x 37.5 is between which to consecutive intergers?

    asked by Taliyah
  93. ecology

    how effective herbaka(a herbal medicine) in curing cold and cough?

    asked by mark leonard
  94. Algebra

    I need to evaluate the following expression. Can anyone tell me if I am right on this or on the right track? Thanks 6 (x+3) - 4 (x+2) 6x+18) – (4x+8) 6x + 18 - 4x -8 2x +10

    asked by Mary
  95. math

    5 liters of water= ____ kg liters and kg are 2 different types of measurement but 1 liter of water is 1 kg so would this make the answer then 5 kg or would it not be able to be solved since 2 different types of measures?

    asked by m
  96. Math (algebra)

    (x-u)/3=5-y what does "u" equal?

    asked by Maria
  97. 4th grade

    sylvester bowls once a week. this week he bowled four games. his scores were, 105 103 107 109 what is his average (mean) for the week? explain how you found your answer. what is the median score for the week? explain how you found your answer. what is the

    asked by dk
  98. math

    When f(x)=2x^3+ax^2+bx+c is divided by (x^2-1) the remainder is x+1. If (x-2) is a factor of f(x), find the values of the constants a,b and c. Thanks :)

    asked by Matteo
  99. lgrammar

    can you give me an example of a sentence with subject pronoun, action verb, adverb phrase, verb, subordinating conjunction, adverb, linking verb, subject, infinitive phrase?

    asked by matt
  100. Algrebra

    3u-ux/x=6y/x

    asked by Maria
  101. Math

    if a triangle has a perimeter of 50cm one side is double the length of the base and the second side is four less than three times the base how long is the base?

    asked by Maria
  102. HELP MATH

    lee looked at the results of an exam he had just given to his grade 2 math class. he saw that louise had a score of 95%. he also saw that the standard deviation for the test was 0. if arif was also in his grade 2 math class, what mark did arif get on the

    asked by Anonymous
  103. Spanish

    Can anyone look over this and see if its correct etc. thx Venezuela Script El País que estoy haciendo mi proyecto sobre es Venezuela Venezuela es un país situado en el nor del america del sur Venezuela frontera con el Mar Caribe, Colombia, Océano

    asked by Lorax Snow
  104. Math 208

    Solve each system by the substitution method. x+3y=2 -x+y=1

    asked by Jodie
  105. math/ physics

    Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C. Find the central mass of the obtained shape after removing the small cutten sqaure. I would appreciate your help. thank you

    asked by J
  106. Exploring mathematics elementary algebra

    the units of a two-digit number exceeds thrice the tens digit by 1. the sum of the digits is 9. find the number.

    asked by Joe Mhar Plaza
  107. exploring mathematics elementary algebra

    the sum of the digits of a two-digit number is 12.the value of the number is equal to 11 times the tens digit. find the number.

    asked by Joe Mhar Plaza
  108. pysics

    A spring stretches 3.4-cm when a 7-g object is hung from it. The object is replaced with a block of mass 24 g that oscillates in simple harmonic motion. Calculate the period of motion

    asked by sarah
  109. Physics

    How much time is needed for 5.0 N force to increase the speed of a 0.248 kg object from 12 m/s to 56 m/s?

    asked by Maya
  110. Chemistry

    what would an open manometer look like in which the pressure of the gas sample is 34.5 kPa higher than the atmosphere?

    asked by al
  111. Physical Science

    To create a supernaturated solution, a student heats a beaker of water on a hot plate and adds sugar until no more sugar will dissolve. The student then strains the solution through a funnel using filter paper and allows the solution to cool. Name two

    asked by Vegeta Super Saiyan 3
  112. Math

    Find the second derivative of x(x+1)^3

    asked by Allison
  113. Math

    Rearrange 8x+2y+11=0 into the form y=mx+b

    asked by john
  114. Science

    Which of the following plants is nonvascular? a. ferns b. mosses c. gymnosperms d. club mosses is "b" correct?

    asked by Anna
  115. Science

    Which of the following plants is nonvascular? a. ferns b. mosses c. gymnosperms d. club mosses is "b" correct?

    asked by Anna
  116. Math

    A line is parallel to 5x+2y-8=0 and has the same y-intercept as x+4y-12=0 Find an equation for the line.

    asked by John
  117. world history

    How did the Reformation in Great Britain affect the colonization of the New World

    asked by jay
  118. algebra

    what is the degree of the polynomial p(x)+q(x) let p(x)=x^4-7x+14 and q(x)=x^2-5

    asked by Jacob Clark
  119. Lines and Slopes Math

    A line is perpendicular to x+3y-4=0 and has the same y-intercept as 2x+5y-20=0. Find an equation for the line

    asked by Mathew
  120. 3rd grade Math

    In Harry's attic there are 3 spider webs. The first web is twice as large as the second. The 3rd web is 3 inches larger than the 1st web. The combined width of the 3 webs is 1 foot and 6 inches. How long is each web? Please provide explanation along with

    asked by Dominique
  121. Physics

    A 0.700 kg object attached to the end of a 0.560 meter wire revolves uniformly on a flat, frictionless surface. a) If the object makes three complete revolutions per second, what is the force exerted by the wire on the object? b) What is the speed of the

    asked by Lee
  122. math

    To multiply 5 by 3, you can find the product of 2 and 5 and the product of 1 and 5 and ________them.

    asked by maria
  123. math

    The points A (7,6) and B (2,1) are 3 units and 2 units respectively from the line L and are on the opposite sides of L. Find the coordinates of the point where the interval AB crosses the line L.

    asked by jess
  124. Probability

    urn1 contains 3 red chips and 1 white chip. urn2 contains 2 red chips and 2 white chips. 1 chip is drawn from each urn and transeferred to the other urn. then a chip is drawn from the first urn. what is the probability that the chip ultimately drawn from

    asked by Lala
  125. Intro to Business

    The U.S. Supreme Court ruled that cities could have school voucher programs that give money directly to parents, who could then choose between competing schools, public or private. The idea was to create competition among schools. Like businesses, schools

    asked by Lisa
  126. government

    The President's power to veto congressional legislation and the requirement that Congress confirm the President's nominees to the Supreme Court are both examples of what?

    asked by keith
  127. math

    what does this mean |2|???????? (those arnt one outside the twos there lines;])

    asked by Tiana
  128. science

    what happens to rocks after their elastic limit is passed

    asked by davon
  129. physics

    Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C. Find the central mass of the obtained shape after removing the small cutten sqaure.

    asked by marwan
  130. AP chemistry

    If 25.0g of water are decomposed at RTP how would you find the volume of hydrogen gas produced?

    asked by Lily
  131. Precalc

    There's f(x) = (2x+3)/(x+4) and g(x) = (4x-3)/(2-x) Solve for x in f(g(x)) I tried this but I could not end up with the answer being x

    asked by Anonymous
  132. Chemistry - Forensics

    Discuss the chemistry of chemical reagents in forensics. Please be as specific and clear as possible. Thank you!

    asked by Tilly
  133. chemistry

    freezin point of the solution 25.5g c7h11no7s in 1 x 100gh2O (nonionizing solute)

    asked by cynthia
  134. algebra

    The length l(w) of a box that is two more than four times the width w what type of function rule would I write for this

    asked by Dasheia
  135. tres ninos school

    exploring mathematics elementary algebra....the sum of the digits of a two-digit number is 12. the value of the number is equal to 11 times the tens digit. find the number.

    asked by Joe Mhar Plaza
  136. history

    First Persian Gulf War in the early 1990 explain why the US was either justified or not in the specific action?

    asked by Anonymous
  137. algebra

    s=vt+1/2at2(squared)

    asked by kelli
  138. math

    Find the derivative of f(x)= (2x+3)/(3x+5)

    asked by Jesse
  139. Science

    How many days will it take for 3/4 of a sample of polonium 210 to decay?

    asked by Diane
  140. Physical Science

    Four groups of rats are tested in a lab. Group 1 is given a special hornmone for muscle growth. Group 2 is given a special multivitamin diet. Group 3 receives both the hormone treatment and the multivitamin diet. Group 4 does not receive any extra

    asked by Vegeta Super Saiyan 3
  141. Physical Science

    Compare a benifit and a risk of radiation therapy in the medical field.

    asked by Vegeta Super Saiyan 3
  142. Pre-Algebra

    Mistu purchased a basketball hoop for her driveway from a sporting goods store. After the sales tax rate of 5.5% was applied, the total cost came to $179.35.How much money would Mistu have saved if she had used a coupon good for 10% discount?

    asked by Megan
  143. Physics

    How much time is needed to completely stop a 1600 kg car moving at 35 m/s if an average force of 4200 n is applied?

    asked by Maya
  144. chemistry

    if 5liters of hydrogen iodide gas is bubbled through 2 liters of 0.0275 M lead 2 nitrate solution at STP, how many grams of lead 2 iodide will precipitate out?

    asked by jess
  145. Exploring mathematics elementary algebra

    The tens digit of a two-digit number is 3 less than the units digits. The number is four times the sum of the digits. find the number.

    asked by Joe Mhar Plaza
  146. 7th grade math

    50 divided by 10 EXPLAIN THE DECEMAL MOVEMENT WHEN DIVIDING BY 10.

    asked by nick
  147. Fine Arts

    Need help with this-- 26. Explain the relationship between the Baroque style and the Counter-Reformation. -MC

    asked by mysterychicken
  148. Math

    A line is parallel to 5x+2y-8=0 and has the same y-intercept as x+4y-12=0 Find an equation for the line.

    asked by John
  149. math

    1 meter^3 = _________centimeters^2 1 kilometer^2 = __________ meters^2

    asked by Elisabeth
  150. science

    what is the electrical output of a wind turbine with a diameter of 25metres when the wind speed is 10 metres per second?

    asked by Wendy
  151. math

    1 meter^3 = _________centimeters^2 1 kilometer^2 = __________ meters^2

    asked by Elisabeth
  152. history of edcation in america

    How has Recent counts theory contributed to education

    asked by nita
  153. science

    are mosses nonvascular?

    asked by Annabell
  154. math

    Coach Bernard archery class spent an afternoon shooting arrows in the air with initial speed of 128 feet per second. The relationship between the height of an arrow and the time, t, of travel in seconds can be molded by the equation f(t)=-16t2+128t. Which

    asked by jon
  155. algebra

    what is the degree of the polynomial p(x)+q(x) let p(x)=x^4-7x+14 and q(x)=x^2-5

    asked by Jacob Clark
  156. managerial finance- grad level

    An option can often have more than one source of value. Consider a logging company. The company can log the timber today, or wait another year (or more) to log the timer. What advatages would waiting one year potentially have? Name three considerations.

    asked by monique
  157. Algebra 1

    Solve then graph a+3 ¡Ü -17. Sorry, I think i forgot to include the less or greater sign in the first post. Thank you very much.

    asked by Esther
  158. Physics

    A coin rolls along the top of a 4.33 meter high desk with a constant velocity. It reaches the edge of the desk and hits the ground +0.15 meter from the edge of the desk. What was the velocity of the coin at it rolled across the desk?

    asked by Maciee
  159. Medical office practice

    appointments - preparing new patient appointments schedule drafting letter to patients to inform of new doctors hours

    asked by Samantha
  160. algebra 1

    a 100- foot cable is cut into two pieces.the first piece is 18 ft longer than the second. how long is each piece

    asked by julie
  161. math

    answer this x-1/3=1/4

    asked by christina
  162. math

    answer this x-1/3=1/4

    asked by christina
  163. Math, please help!

    We are doing a small group project and my group members and I are very confused. The project description: Using the variables provided below, you are working with your group to make a recommendation to the township directors. Currently we mow the grass

    asked by Lindsey
  164. termodynamic/phsics

    What characteristics should solar collectors have, to function in an optimal way? Why should these properties be fulfilled? If there is a water flow of 500 g / minute to a solar panel on one m2, how much water is heated up under optimal conditions during

    asked by adam
  165. Algebra

    Write the equation y - 4 = -2(x - 5) in slope-intercept form.

    asked by joshua
  166. science

    i need help finding some household items that have some of the following forms of energy: radiant, chemical, nuclear, electrical, acoustic, thermal, and mechanical. so far i have the TV as electrical, acoustic, and mechanical; the stove top as electrical,

    asked by Bri
  167. Technology

    Would the president of a technologies workers union be considered a stakeholder for a telecommunication company?

    asked by Jeffrey
  168. english thesis

    how effective herbaka is in cring colds and cough?

    asked by mark leonard
  169. ecology

    how effective oregano(herbal medicine) in curing colds?

    asked by mark leonard
  170. Science

    How much rope will be needed to lift a load 48m in a single fixed pulley system if the effort is 63n and why

    asked by Kennedy
  171. science

    how much gravitational potential energy would a 1-kg ball have when it is initially released 2 meters above the ground?

    asked by jada
  172. american history

    why were the french at first reluctant to sign an alliance with the colonies

    asked by alexander
  173. computers

    How many coulombs of charge do 30 10^31 posses?

    asked by Anonymous
  174. geometry

    An isosceles right triangle has a hypotenuse of 8 units. What is the length, in units, of one the legs? Round your answer to the nearest hundredth if necessary.

    asked by danielle
  175. childcare

    what taxes must be paid only by the employer?

    asked by nina
  176. science

    how many kinds of different kinds of measurements would you need to make in order to calculate the speed of something????

    asked by nathaniel
  177. business math

    A store buys 30 gallons of milk at $1.58 per gallon. To achieve a 20% markup based on cost, what should be the selling price per gallon rounded to the nearest cent?

    asked by anne
  178. accounting

    local school system asks you to submit a proposal to do preemployment physicals for 60 bus drivers. What financial or accounting information do you need to submit the proposal?

    asked by sarah
  179. HELP MATH

    to play a game, a die is rolled to see who plays first. four players are going to play the game. what is the probability that at least two people roll the same number?

    asked by Anonymous
  180. American culture

    What artists and bands have had the greatest effect on popular culture? Explain why? Do you think the changing genre of popular music influences culture of time? If so, explain how? If not, explain why not?

    asked by Anonymous
  181. science

    find a chart to help with blood types and rh. allele combinations

    asked by matt
  182. science

    based on the relationship between mass and volume.... How much space would 75 grams of water occupy?

    asked by jake
  183. english

    which if proper, too funny or to funny

    asked by Anonymous
  184. 4th

    what is an array

    asked by rashaun
  185. history

    Who were some of the original Texas Wildcatters?

    asked by J
  186. english

    What are some concrete words for these abstract words 1.intelligence 2.friendliness 3.darkness 4.aroma 5.stupidity 6.anger 7.hospitality 8.noise 9.celebration 10.luck

    asked by libra
  187. English

    Describe the strategies you have developed to avoid confusing the use of adverbs and adjectives in the future.

    asked by Scott
  188. math

    which is greater and less than

    asked by savannah
  189. Exploring mathematics elementary algebra

    The sum of the of a two-digit number is 15. One third of the number diminished by 12 is 17. Find the number.

    asked by Joe Mhar Plaza
  190. Physics

    How much force is needed to make a 1,400 kg car moving at 35 m/s come to a stop in 5.2s?

    asked by Maya
  191. Physics

    How much force is needed to make a 1,400 kg car moving at 35 m/s come to a stop in 5.2s?

    asked by Maya
  192. Math (URGENT)

    write a formula that gives you the number of regions formed when x points are placed on a circle and all possible chords are drawn. ex. 2pts has 2 regions, 3pts has 4 regions, 5pts has 17 regions

    asked by carl
  193. Exploring mathematics elementary algebra

    The units digits of a two-digit number is 5 more than the tens digit. If the sum of the digits is one third of the number, find the number

    asked by Joe Mhar Plaza
  194. english

    Using plurals and possessives. How can you write a sentence about storing financial information effectively and efficiently.

    asked by sasha
  195. math

    Two liters of water has a volume of __________ cubic centimeters and a mass of ________ kilograms.

    asked by Elisabeth
  196. math

    125x.1 explain the decimal movement when multiplying by .1

    asked by nick
  197. math

    A gallon of gasoline is more than _______ liters but a little less than ______ liters.

    asked by Elisabeth
  198. math

    Two liters of water has a volume of ______ cubic centimeters and a mass of _______ kilograms.

    asked by Elisabeth
  199. algebra

    The length of an altitude of a triangle is 1/3 the length of the side to which it is drawn. If the area is 6 square cm., then what is the length of the altitude?

    asked by Tammy
  200. math

    1 meter^3 = ________ centimeters^3

    asked by Elisabeth
  201. math

    1 meter^3 = ________ centimeters^3

    asked by Elisabeth
  202. math

    Draw a segment 1 cm long Draw a segment 1 in long

    asked by Elisabeth
  203. Science

    how much CO2 and how much energy are released in the combustion of 1 tonne of coal?

    asked by Tracy
  204. Algebra 1

    solve using the multiplication principle. Then graph -12x>-60. God Bless you all for your help.

    asked by Esther
  205. social studies

    how did the Nile river and the sorrounding area help protect egypt

    asked by brianna
  206. Algebra 1

    Solve, then graph a +3 ¡Ü -17. Can someone please help me with this problem? I would sure appreciated. Thank you before hand.

    asked by Esther
  207. physics

    the same force is applied to each object which distance will travel thegreatest distance... a.bicycle b.car c. truck d. bus

    asked by blake
  208. chem

    What is the frequency of radiation whose wavelength is 19.80 ? thanks:)

    asked by rebekah
  209. math

    the school musicial is performed 5 times. between 850 and 875 people attented. which is a reasonable number of people who attend each performance? 190,175,160,or 150.

    asked by michael
  210. chem

    express 47.2 as scientific notation

    asked by lupe
  211. language

    What is the adjective for the question, Some hawk's eyes are yellow.

    asked by kim
  212. history of education in america

    What is david Ausubel theory in how to increase motivation. Thank for the infro on counts

    asked by nita
  213. math

    answer this x-1/3=1/4

    asked by christina
  214. Algebra 1

    What is the slope of a line passing through (-3,-2) and (5,-2) Fill in the answer box m=. Thanks!

    asked by Esther
  215. math

    Write 6+6+6+6=24 as a multiplication sentence.

    asked by maria
  216. chemistry

    WHAT IS THE COM[POSITION OF ASHOKSTUMB

    asked by SUKHMAN
  217. arithmetic

    7/8h= 3

    asked by math dude
  218. simple easy math question PLEASEEE HELPP!!!

    is this true? log^2 x = (logx)^2

    asked by Sabrina
  219. Math 3

    6/11 + 2/13=

    asked by Amanda
  220. science

    Using a force of 20 Newton cody pushes a lawnmower 5m. how much work did cody do?

    asked by Sofia
  221. Language

    Which would be correct? They or Them and I are buying some groceries. Would it be They?

    asked by Mark
  222. Math

    Draw a rectangle with an area of 48 cm squared that has a decimal factor for either the length, the width, or both.

    asked by Nathan
  223. physics

    Consider a square ABCD of side 10cm and total mass 10kg. Let O be the center of the sqaure. We cut a square of corners O and C. Find the central mass of the obtained shape after removing the small cutten sqaure.

    asked by Jessy
  224. AED 204

    My assignment says to write no more than 150 words about the requirements specific law places on educators. I have the whole thing complete except for the Americans with Disabilities Act. From what I have read and understand, this focuses more on

    asked by Shelly
  225. Math (algebra)

    (y-1)/2u+x=m what does "u" equal?

    asked by Maria
  226. business math

    How much tax must be sent to the IRS for the first quarter if the annual income is $63,000.00, Social Security is 12.4%, Medicare is 2.9% and federal income tax rate is 22%?

    asked by lucie
  227. microeconomics

    “Competitive firms do not want to produce its goods even after an increasing marginal product has set in and the marginal cost is decreasing”. Do you agree?

    asked by mimi
  228. precal

    Why is there no corresponding point on tan^-1(x) for the (135,-1) on the graph tan(x). Thanks!

    asked by jen
  229. microeconomics

    Assume you read in a newspaper that firms who produce baby milk are not doing well due to melamine case. With the theory of perfect competition in mind, what do you expect to happen to the baby milk prices? Will the firms able to make profits in long run?

    asked by mimi
  230. algebra2

    determine the domain and range:{(x,y)|y2=5x}

    asked by anna
  231. Functions

    3^2x - 5(3^x) = -6

    asked by Kristian
  232. art history

    please i need help my question is about the play of Sheridan (The Rivals ) i want critical analysis of act 3 scene 2 in the play and the soliloquy in this act ?

    asked by sOoOma