Questions Asked on
January 9, 2011

  1. Chemistry

    It turns out that the Van Dar Waals constant b is equal to four times the total volume actually occupied by the molecules of a mole of gas. Using this figure, calculate the fraction of the volume in a container actually occupied by Ar atoms: a) at STP b)

    asked by Anonymous
  2. Physics (Help!)

    You throw a glove straight upward to celebrate a victory. Its initial kinetic energy is K and it reaches a maximum height H. What is the kinetic energy of the glove when it is at the height H/2?

    asked by Erica
  3. physics

    The balance wheel of a watch oscillates with angular amplitude 1.7π rad and period 0.64 s. Find (a) the maximum angular speed of the wheel, (b) the angular speed of the wheel at displacement 1.7π/2 rad, and (c) the magnitude of the angular acceleration

    asked by kylie
  4. Chemistry

    Calculate the pressure that ccl4 will exert at 40 of 1.00 mol occupies 28.0 L, assuming that (a) CCl4 obeys the ideal-gas equation (b) CCl4 obeys the Van der Waals equation. (a) PV = nRT P = nRT / V (b) (P + n^2a/V^2)(V - nb) = nRT CCl4 = a = 20.4

    asked by Anonymous
  5. Science

    What occurs when a substance melts? 1) It changes from solid to liquid, and heat is absorbed. 2) It changes from solid to liquid, and heat is released. 3) It changes from liquid to solid, and heat is absorbed. 4) It changes from liquid to solid, and heat

    asked by lisa
  6. ChemII

    A saline solution is 0.9% NaCl. What masses of NaCl and water would be required to prepare 50. L of this saline solution? Assume that the density of water is 1.000g/mL and that the NaCl does not add to the volume of the solution.

    asked by Eric
  7. math

    Dents and Dings Auto Body buys paint with a list price of $29,000. If the supplier extends trade discounts of 30/35/20, what is the trade discount amount?

    asked by bob
  8. Chemistry

    which substance has a definite shape and a definite volume at STP ? (1)NaCl(aq) (2)Cl2(g) (3)CCl4(l) (4)AlCl3(s) is it 4 because its a solid? Am i right ?

    asked by Jazmin
  9. Chemistry

    Concentrated sulfuric acid is 18.4 molar and has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar the solution has a density of 1.38 grams per milliliter. This concentration of H2SO4 is often used in lead storage

    asked by Kevin
  10. Science-Physics

    You push a 67 kg box across a floor where the coefficient of kinetic friction is uk = .55. The force you exert is horizontal. (a) How much power is needed to push the box at a speed of .50 m/s? (b) How much work do you do if you push the box for 35 s?

    asked by Erica
  11. physics

    A 89 kg solid sphere with a 12 cm radius is suspended by a vertical wire. A torque of 0.37 N·m is required to rotate the sphere through an angle of 0.93 rad and then maintain that orientation. What is the period of the oscillations that result when the

    asked by kendell
  12. chemistry

    Water is added to 4.267 grams of UF6. The only products are 3.730 grams of a solid containing only uranium, oxygen and fluorine and 0.970 gram of gas. The gas is 95.0% flourine, and the remainder is hydrogen. From data determine the empirical formula of

    asked by Deanne
  13. physics

    Two masses are suspended from a pulley as shown in the figure below (the Atwood machine). The pulley itself has a mass of 0.20 kg, a radius of 0.15 m, and a constant torque of 0.35 m·N due to the friction between the rotating pulley and its axle. What is

    asked by i need help please!
  14. chemistry

    Na2CO3 + 2HNO3 -> 2NaNO3 + H2O + CO2 Time(s) Mass of Flask Plus Contents (g) 0 150.50 10 149.30 20 148.10 30 148.10 a)calculate the average overall rate of consumption of sodium carbonate in mol/min. b)The mass of sodium carbonate consumed in the reaction

    asked by lemon
  15. Spanish

    when would i need to use the preterite

    asked by Needs Help
  16. math

    find an equation of the line containing the given pair of points. Express your answer in the form x =a,y=b or y=mx+b (-1,_1) and (9,9) what is an equation of the line?

    asked by Norma
  17. Physics

    A player strikes a hockey puck giving it a velocity of 47.673 m/s. The puck slides across the ice for 0.175 s after which time its velocity is 46.473 m/s. The acceleration of gravity is 9.8 m/s2 . The mass of the puck is 185 g. If the puck strikes the

    asked by Mike
  18. World History

    How did the Europeans establish and maintain their trading empires with Asia? ? idk help

    asked by Lala
  19. algebra (inequalities)

    a weaver spends $420 on supplies to make wall hangings and plans to sell the wall hangings for $80 each. a. write an inequality that gives the possible numbers of (w) wall hangings the weaver needs to sell in order for the profit to be positive b. what are

    asked by Bri
  20. Physics

    A simple harmonic oscillator consists of a block of mass 1.70 kg attached to a spring of spring constant 390 N/m. When t = 2.30 s, the position and velocity of the block are x = 0.173 m and v = 2.830 m/s. (a) What is the amplitude of the oscillations? What

    asked by kendell
  21. physics

    A tightly stretched "high wire" is 44 m long. It sags 3.8 m when a 56 kg tightrope walker stands at its center. What is the tension in the wire? 1 NIs it possible to increase the tension in the wire so that there is no sag? so far i know you do the inverse

    asked by Haley
  22. Physics

    What would be the appearance of the speed-time curve if the fallng body where so light that the effect of air friction could not be neglected?

    asked by Sean
  23. Geometry

    The diagonals of a rectangle are 12 inches long and intersect at an angle of 60 degrees. Find the perimeter of the rectangle.

    asked by Mariana
  24. physics

    Two masses are suspended from a pulley as shown in the figure below (the Atwood machine). The pulley itself has a mass of 0.20 kg, a radius of 0.15 m, and a constant torque of 0.35 m·N due to the friction between the rotating pulley and its axle. What is

    asked by lissa
  25. Math

    What is 58.8 to the nearest tenth?

    asked by Malcolm
  26. Chemistry

    which substance takes the shape of and fills the volume of any container into which it is placed ? (1)H2O (l) (2)CO2(g) (3)I2(s) (4)Hg(l)

    asked by lisa
  27. chemistry

    What are the solute particles present in aqueous solutions of each compound? (Select all that apply.) acetic acid

    asked by Anonymous
  28. MATH

    APPLY THE RULE [1.5X, 1.5Y] TO THE VERTICES OF TRIANGLE TO GET TRINGLE PQR. COMPARE THE CORRESPONDING MEASUREMENTS[SIDE LENGTHS, PERIMETER, AREA, ANGLE MEASURES] OF THE TRIANGLE

    asked by VINI
  29. Math

    How many five-digit integers are perfect squares?

    asked by K
  30. high school biology

    2. Discuss the implication of pollution of the marine and wet land environment. Sight examples from 2 named caribbean countries.

    asked by jelly
  31. physics

    Two masses are suspended from a pulley as shown in the figure below (the Atwood machine). The pulley itself has a mass of 0.20 kg, a radius of 0.15 m, and a constant torque of 0.35 m·N due to the friction between the rotating pulley and its axle. What is

    asked by melissa
  32. Chemistry

    What is the molality of a solution of sucrose(molar mass=342) dissolved in water that is 25% sucrose by mass?

    asked by D
  33. physics

    A cat chases a mouse across a 1.7 m high table. The mouse steps out of the way, and the cat slides off the table and strikes the floor 2.1 m from the edge of the table. The acceleration of gravity is 9.81 m/s2 . What was the cat’s speed when it slid off

    asked by jena
  34. physics

    A 14.0 kg cart is moving with a velocity of 7.25 m/s down a level hallway. A constant force of -10.0 N acts on the cart, and its velocity becomes 3.20 m/s. Assume that air resistance is negligible. (a) What is the change in kinetic energy of the cart? (b)

    asked by lets go
  35. physics

    A 0.57 kg block oscillates back and forth along a straight line on a frictionless horizontal surface. Its displacement from the origin is given by x = (13 cm)cos[(20 rad/s)t + π/2 rad] (a) What is the oscillation frequency (in Hz)? (b) What is the maximum

    asked by Anonymous
  36. physics

    a physical pendulum consists of a uniform solid disk (of radius R = 42.0 cm) supported in a vertical plane by a pivot located a distance d = 13.0 cm from the center of the disk. The disk is displaced by a small angle and released. What is the period of the

    asked by kylie
  37. Physics 11th Grade

    Ninja usually weighs 80 kg. He ate 5 kg of cookies over the Holiday Break: a. What is his weight? and B. How can ninja use physics to lose weight?

    asked by Anonymous
  38. AP Psychology

    A classmate beleives alcohol, marijuana and cocaine all have similar effects and should be legalized. Carefully evaluate the strenghts and weaknesses of your classmates position. are they asking to list the positive side effects and negative effects of the

    asked by Anonymous
  39. Chemistry

    A student dissolves 2.57 grams of iodine [molar mass= 257]in 10.0 grams of carbon tetrachloride [kb = 5.03C/m]. The normal boiling point of carbon tetrachloride is approximately 77degreesC. What is the approximate boiling point of the solution above?

    asked by Gina
  40. chemistry

    In general, reaction rates double when the temperature is increased by 10ºC. The temperature of a reaction is increased by 40ºC. The rate of the reaction will increase by a factor of ____? is it 16?

    asked by tycoon
  41. geometry

    the length of a diagonal of a square is 22 square root of 2 millimeters. Find the perimeter of the square.

    asked by Mariana
  42. physics

    A cat chases a mouse across a 1.7 m high table. The mouse steps out of the way, and the cat slides off the table and strikes the floor 2.1 m from the edge of the table. The acceleration of gravity is 9.81 m/s2 . What was the cat’s speed when it slid off

    asked by jena
  43. Chemistry

    If you start with ten grams of lithium hydroxide, how many grams of lithium bromide will be produced? Round to the nearest tenth. Don't forget the units.

    asked by Katie
  44. Relative velocity

    A pet-store supply truck moves at 25.0 m/ north along a highway. Inside, a dog moves at 1.75 m/s at an angle of 35.0 degrees east of north. What is the velocity of the dog relative to the road?

    asked by Sofia
  45. English - Native speakers

    Hello! How do you say in English "Sprachliches Gymnasium"? In other words a high school which program is focused more on foreign languages.

    asked by marky
  46. science

    tThe bob of a pendulum swings through a circular arc of constant radius. At what point of the swing does the cord holding the bob exert the greatest entripetal force on it?

    asked by Anonymous
  47. algebra

    a pair of skiis in a set of bindingd=s together cost $494. Find the price of each if the skiis cost $10 less than 6 times as much as the bindings?

    asked by mang
  48. MATH 12 HELP!!

    a pizza store offers 15 different toppings on its pizzas. what is the probability that 4 randomly selected toppings will include salami and green pepper?

    asked by tina
  49. Chemistry

    The molecular formula of a compound containg only carbon and hydrogen is to be determined. When a sample of the compound is burned on oxygen gas, 7.2 grams of water and 7.2 liters of carbon dioxide gas are produced(measured at STP). When 0.600grams of the

    asked by Patrick
  50. thermodynamic

    Energy is added to a piston-cylinder arrangement. The piston is withdrawn in such a way that the temperature remains constant. The initial pressure and volume are 200 KPa and 2m^3, respectively. If the final pressure is 100 KPa, determine the work done by

    asked by chris
  51. physics

    A pelican flying along a horizontal path drops a fish from a height of 5.0 m. The fish travels 8.5 m horizontally before it hits the water below. The acceleration of gravity is 9.81 m/s2 . a) What was the pelican’s initial speed? Answer in units of m/s.

    asked by Anonymous
  52. reaction rate help

    In general, reaction rates double when the temperature is increased by 10ºC. The temperature of a reaction is increased by 40ºC. The rate of the reaction will increase by a factor of ____? is it 16?

    asked by tycoon
  53. Math

    define the variable, write the equation, solve and label. Central middle school sold 50 tickits for one night of the shcool play. Student tickets sold for $2 each and adult tickets sold for $3 each. They took in $135. How many of each type of ticket did

    asked by Taylor
  54. geometry

    how do i find the radius of the largest circle that can be cut from a square piece of paper with a diagonal of 20cm?

    asked by candace
  55. English - Thiong'o Decolonising the mind

    What is the main idea of Thiong'o's essay, Decolonising The Mind?

    asked by Bam
  56. physics

    Block A (60 N) and block B (40 N) are connected by a massless cord and are AT REST. Given ìs = 0.8. The friction on A is : 1. 40 N 2. 0 N 3. 24 N 4. 48 N 5. 20 N 6. 60 N 7. 16 N

    asked by help !
  57. English

    I need help figuring out some irony in the short story "Little Benjamin" by Laura E. Richards. I don't quite understand it. Please help?

    asked by Nicole
  58. english communication

    which of the following words is a homonym of bare?

    asked by Anonymous
  59. Physics

    2.Using the kinematic equations, prove that if two balls are released simultaneously from a table, one with zero velocity and the other with a horizontal velocity Vox, they will both reach the ground at the same time.

    asked by Sean
  60. Physics

    An airplane is flying in a horizontal circle at a speed of 105 m/s. The 76.0 kg pilot does not want the centripetal acceleration to exceed 6.35 times free-fall acceleration. a) Find the minimum radius of the plane’s path. Answer in units of m.

    asked by BIlly
  61. physics

    A small turbo-prop commuter airplane, starting from rest on a Tallahassee airport runway, accelerates for 21.0 s before taking off. Its speed at takeoff is 56.0 m/s (125 mi/hr). Calculate the acceleration of the plane, assuming it remains constant. Express

    asked by Lo
  62. Chemistry

    using the balanced reaction equation for the combustion of propane, determine the number ofmoles of oxygen that would react with.50 mol propane and the number of moles of carbon dioxide that would be produced?

    asked by Blake
  63. physics

    An autographed baseball rolls off of a 0.63 m high desk and strikes the floor 0.46 m away from the desk. The acceleration of gravity is 9.81 m/s2 . How fast was it rolling on the desk before it fell off? Answer in units of m.

    asked by jena
  64. algebra (inequalities)

    your club is in charge of making pins that students can buy to show their school spirit for the upcoming football game. you have made 225 pins so far, and you only have 120 minutes left to make the rest of the pins. you need to make at least 400 pins. a.

    asked by Bri
  65. Math

    A person is standing next to a flag pole.The person is 6ft tall.She casts a shadow 10 ft long.The flag pole casts a shadow of 45 ft long.How tall is the flag pole.

    asked by Jenny
  66. math

    Vanna Black pays money for vowels. If consonants are worth nothing and the following words are worth the following amounts, then find the value of each vowel. All vowels are worth the same amount in each but each vowel has a different value. Audacious=$260

    asked by Michaela
  67. Math

    Can you please show me how choose the right answer and how to get the right answer. Which problem situation matches the equation below? 5x+5(x+20)=500 F. five people contributed to a fundraiser each give $20 more than the basic amount requested. In all,

    asked by AD
  68. Math

    The sum of three consecutive even numbers is 36. If x represents the first of the three consecutive even numbers, which equation can be used to find x? a. x(x+1)+(x+2)=36 b. x+(x+1)(x+2)=36 c. x+(x+2)+(x+4)=36 d. x(x+2)(x+4)=36

    asked by AD
  69. math PLEASE HELP ME

    I don't understand this qestion. a firm wants to understand the attitudes of it's minority managers toward it's system for assessing management preformence. below ia a lis of all the firms managers who are members of minority groups. use table b at line

    asked by ron jon
  70. AP Psychology

    how does top-down processing leave us vulnerable to illusions? what is the role of attention in behavior? How does experience and culture influence perceptual processes? (ex: perceptual set, context efffects) how do common sensory disorders, like vision or

    asked by Anonymous
  71. physics

    A 1.o kg cart A and 2.0 kg cart B are at rest on a frictionless table. A cord and a spring of negligible mass join the two carts. The spring is compressed 0.060m between the two carts until the spring's potential energy is 12 Joules. When the cord is cut,

    asked by unknown
  72. algebra

    in 1992, the life expectancy of males in a certain country was 67.5 years. In 1997, it was 69.9 years. let E represent the life expectancy in years t and let t represent the number os years since 1992. The linear function E(t) that fits the data is

    asked by Norma
  73. Geometry

    The sum of the squares of the measures of the sides of a square is 256. Find the measure of a diagonal of the square.

    asked by Mariana
  74. Chemistry

    Water is added to 4.267 grams of UF6. The only products are 3.730 grams of a solid containing only uranium, oxygen and fluorine and 0.970 gram of gas. The gas is 95.0% flourine, and the remainder is hydrogen. From data determine the empirical formula of

    asked by deanna
  75. science

    if an astraunout could jump 40 cm on jupiter how high could he ir she jump on earth how about the moon also????? pleese help me im stuck on this question

    asked by abby
  76. Medical Information Management and office practice

    A 67-year-old patient was admitted to the hospital on November 4 and discharged on November 18. What's the patient's length of stay? Is the answer to this question: A. 13 B. 15 C. 18 D. 20

    asked by jules
  77. Chemistry

    when the beaker has rated capacity of 10 ml, does it mean that it has to be filled to the brim?

    asked by Andrew
  78. Chemistry

    Enriched uranium is produced via gaseous diffusion of UF6. Suppose a process were developed to allow diffusion of gaseous uranium atoms, U (g). Calculate the ratio of diffusion rates of U235 and U238, and compare it to the ratio for UF6 given in the essay.

    asked by Anonymous
  79. thermodynamic

    The air 10 cm diameter cylinder, as shown below, is heated until the spring is compressed 50mm. Find the work done by the air on the frictionless piston. The spring as the beginning of this process has a displacement of 0.0m with a spring constant of

    asked by chris
  80. math

    a cab charges the following fare for ea. trip...first 1/4 mi $2.95 for every additional 1/4 mi or part $0.65 (a)what is the fare for a distance of 1 5/8 mi? my answer...I got $8.85 (b) what is the fare for a didtance of 10 3/4 mi? My answer...$30.25

    asked by matt
  81. math 4th grade

    i am a mixed decimal number the sum of my whole number is equal to the sum of my decimal number. my tenths is half of my hundredths and my ones is twice my tenths. if all my digit are even and my hundredths is 8 what number am i. pls. answer my question

    asked by mikah
  82. thermodynamic

    The air 10 cm diameter cylinder, as shown below, is heated until the spring is compressed 50mm. Find the work done by the air on the frictionless piston. The spring as the beginning of this process has a displacement of 0.0m with a spring constant of

    asked by chris
  83. Chemistry

    As a substance changes from liquid to gas, the average distance between molecules (1) decreases (2)increases (3) remains the same

    asked by Jazmin
  84. science

    how do we determine the identification of an unknown substance using a thermochemical test ??? i mean the procedure

    asked by mamta
  85. chemistry reaction rate

    2NO(g) + O2(g) → 2NO2(g) + 112 kJ what do you do to increase the reaction rate? decrease in pressure or increase in concentration of NO? HELP!

    asked by mikki
  86. PHYSICS

    What is the phase constant (from 0 to 2π rad) for the harmonic oscillator with the velocity function v(t) given in Fig. 15-30 if the position function x(t) has the form x = xmcos(ωt + φ)? The vertical axis scale is set by vs = 5.50 cm/s. Since i cant

    asked by Anonymous
  87. geometry

    The rectangle ABCD is rotated about the side AB. Find the volume of the solid defined by this rotation. AB = DC = 4cm AD = CB = 2cm

    asked by peter
  88. physics

    Block A (70 N) and block B (21 N) are connected by a massless cord and are at rest. Given ìs = 0.8. What is friction A ?

    asked by help !
  89. Math

    How many different paths will spell the word BINOMIAL in the following arrangement(moving diagonally downwards to the left or right)? B I I N N N O O O O M M M I I A L L My Answer: Starting from B using Pascal's Triangle B 1 1 1 2 1 1 3 3 1 4 6 4 10 10 20

    asked by Jeff
  90. Math

    A mail-order company charges $12 for each shirt. Shipping costs $f per oder. Write a variable expression for the cost of odering x number of shirts

    asked by AbbyLovesMath
  91. accounting 205

    •Describe for the students the primary objectives of accounting. •Explain the basic terminology of the accounting process or financial reporting. •Explain how accounting can affect your personal life emphasizing professional ethics

    asked by asia
  92. geometry

    Find the surface area of each of the following a cube that is 4 cm by 4 cm by 4 cm. A right circular cylinder that is 6 cm by 12cm. A right circular prisim 8cm by 5 cm by 6 cm. A sphere that is 4cm a right circular cone that is 8cm by 6 cm.

    asked by crystal
  93. Chemistry

    the difference between the boiling point and the freezing point of pure water at standard pressure is (1)32 K (2)273 K (3)100 K (4)373 K

    asked by Jazmin
  94. english communication

    the following words each contain the letters c, i, and e. which word is spelled correcly?

    asked by Anonymous
  95. Math: Algebra 2

    Factor Completely with respect to the intergers. 2x^3-3x^2+4x-6

    asked by melissa
  96. math

    i am a three-digit decimal number. my thousandths is twice my tenths and my hundredths is the difference of my thousandths and tenths. what numbers am i

    asked by mikah
  97. math

    i am a 2-digit decimal. my tenths is twice my hundredths. the sum of my digits is 12. what number am i.

    asked by mikah
  98. Home Economics

    Why arethere two sinks side by side in the kitchen?

    asked by Mel
  99. Chemistry

    the difference between the boiling point and the freezing point of pure water at standard pressure is (1)32 K (2)273 K (3)100 K (4)373 K

    asked by Jazmin
  100. adv pre algebra

    the temperature of a substance increases by 10 degrees celsius in 5 minutes. write this as a unit rate. then convert into degrees fahrenheit per hour.

    asked by Anonymous
  101. Math

    Which word describes the equation 17= t - 5? A. TRUE B. FALSE C. OPEN D.NOT GIVEN I know it's not a or b and I'm not sure what an open sentence is

    asked by AbbyLovesMath
  102. English

    I still have a few doubts. I hope you can have a look at them, too 1)He spent three years building the cathedral. But: He took three years to build the cathedral. 2)We wont's start dinner (the dinner?) until your father arrives home. 3) The Great Fire of

    asked by Franco
  103. science

    a 10 N force pushes a body northward while a 15 N force acting at the same point of the body pushes it southward. Find equilbrant of these two forces. do I add or subtract? what about direction

    asked by anonymous
  104. Math

    Lyla deposited $250 in an account earning 4% simple interest. At the end on one year, how much was in the account, assuming no more deposits or withdrawals?

    asked by abby
  105. Chemistry

    When 2.50g of an unknown solute is dissolved in 40.0g of ethanol the solution boils at 79.4C. The normal boiling point of this substance is 78.4C and it has a kb of 1.22C/m. (a) What is the molality of this solution? (b) What is the molecular weight of the

    asked by Mark
  106. Physics

    how do i find the volume of a block of platinum weighing 45.5 kilos

    asked by please help me
  107. algebra

    sqrt(45)+ sqrt(20)+ sqrt(5)-sqrt(125)=?? I came up with 6sqrt5 I know it's wrong. I think I messed up the breakdown of the sqrt of 125

    asked by Alex
  108. Algebra

    the perimeter of a rectangle is 32 m. The length is 4m more than twice the width

    asked by Ronda
  109. Life Span Development

    Someone tells you that she has analyzed your genetic background and environmental experiences and concluded that environment definitely has had little influence on your intelligence. What would you say about this analysis?

    asked by Emily
  110. subject and verb

    could you please tell me what is the verb and subject in this sentence: Some young couples have decided to move to more rural areas in order to avoid the pressures of city living.

    asked by carmen
  111. Psychology

    if a person copied answers off another persons test, what would that say about their maturity?

    asked by Anonymous
  112. English

    Sorry to bother you, but i have to make a map of maycomb and I wanted to know the location of the chinaberry trees and the streetlight dill hangs around

    asked by Anonymous
  113. STI'S

    Hiv makes you immune to aids? is this true? You can get hiv from someone who doesnt have hiv? false?

    asked by Anonymous
  114. Math 11

    Solve for feta to two decimal places: Sin feta=0.5 feta= _____

    asked by Kayleigh
  115. English

    I forgot to include these sentences. I hope you can have a look at them, too. 1)I live on a farm. I like my village because in the summer (in summer?) I can collect fruits, run in the fields and go biking (cycling?). 2) I can also go jogging. In October

    asked by Franco
  116. physics

    A simple harmonic oscillator consists of a 1.1 kg block attached to a spring (k = 180 N/m). The block slides on a horizontal frictionless surface about the equilibrium point x = 0 with a total mechanical energy of 3.0 J. (a) What is the amplitude of the

    asked by kylie
  117. Math

    If a positive two-digit integer is divided by the sum of its digits, the quotient is 2 with a remainder of 2. If the same two-digit integer is multiplied by the sum of its digits, the product is 112. What is the two-digit integer?

    asked by Kinnari
  118. Business

    1 What are the reasons of declines in employee job satisfaction? 2 What factors differentiate good decision makers from poor ones? 3 When do groups make better decisions than individuals? 4 What are the pros and cons for focusing on the distant future and

    asked by nikhil
  119. Trigonometry

    Two sides of a triangle are 5 and 8 units respectively. If the included angle is changing at rate of one radian, at what rate is the third side changing when the included angle is 60 degrees?

    asked by may
  120. inf 103

    Which input/output devices will you be using in the next one to three years as "computing" devices?

    asked by meshelle
  121. physics

    how many cubic centimeters are in a block of brass weighing 34 grams?

    asked by izzy
  122. 8th Grade Chemestry

    Helping my child study. Are there any online guides that can help me teach how to predict the products of a reaction. i.e. _ Ag(NO3)+ _ CaCl2 yields Really want to be able to teach my child how to do this rather than have the answer. Thanks

    asked by Stephen
  123. Math

    Using the binomial theorem, Find the first three terms in the expansion of (x-(1/x))^5. My solution: C(5,0)x5 + C(5,1)(x4)(-1/x) + C(5,2)(x3)(-1/x)2 x5 + (5)(x4)(-1/x) + 10(x3)(-1/x)2 x5 + (-5x4/x) + 10(x3)(1/x2) x5 + (-5x3) + 10(x) x5 -5x3 + 10x The first

    asked by Ed
  124. Math

    A company's cost of doing business in a recent month was $18,000. Their revenue on sales for that month was $27,000. What percent profit as a percentage of sales did the company earn?

    asked by ruth
  125. trigonometry

    this is exactly how the question is written and i tried to solve it but i just couldn't. Can u please show me how the work was done I don't want just the answer. using the exact values,find the value of: 12 sin 30degrees - 6 tan of 45 degress + sec 45

    asked by alex
  126. Chemistry

    chemistry question. How many grams of silver sulfide can be produced by heating 45 grams of silver excess sulfer?

    asked by Colin
  127. science

    calculate the distance an object travels if its speed is 60km/h and it travels for 6h

    asked by fg
  128. math

    a mechanical toy on a circular track goes foward 3in. then back 2in. how many moves does the toy take to complete one 15in. revolution? i got 15 moves but i just want to make sure i did it right.

    asked by kaykay
  129. Algebra II

    x^4-5x^3-16x^2+23x-3 divided by x^2+2x-3

    asked by Dajah
  130. Social Studies

    Where was the first civilization? What was the region called then and now?

    asked by Hal
  131. English

    Can you please check these sentences,too? Thank you. 1)The men (or men) had the function of linking (also to link?) all creation. She was married to her people. 2)In contrast/on the contrary, the Spanish ships were slower. Chaucer suspends judgement on his

    asked by Franco
  132. Math

    simifly. Use the commutative associative and distributive properties. 1. 175 + 37 + 25 2. 50(11 x 2) 3. 12/(99 can someone explain to me how to do these please?

    asked by Carson
  133. Science

    If my heart beats on average 73 times, how many times does my heart beat one day if my heart beat doesnt change? Hope you can help!

    asked by Mason :)
  134. Prove trig identity

    Prove the following trigonometric identity: (sec^2x-1)(csc^2x-1)=1

    asked by Randy
  135. Physics

    The 636 N weight held by two cables. The left-hand cable had tension 840 N and makes an angle of θ with the wall. The right-hand cable had tension 890 N and makes an angle of θ1 with the ceiling. a) What is the angle θ1 which the right-hand cable makes

    asked by Mike
  136. Chemistry

    which phase change is endothermic ? (1)gas-->solid (2)gas-->liquid (3)liquid-->solid (4)liquid-->gas

    asked by Jazmin
  137. western civilization 2

    Which is not a feature of life shared by most Western Europeans? Answer a.social security b.access to national health services c. guaranteed employment d. low educational fees e. family benefits and services

    asked by dynasty
  138. physics

    how do you find time?

    asked by jena
  139. com170

    Can you tell me if I correct all grammar errors?There are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I am having trouble with my car. Can you give me some advice? The diplomats are doing what they

    asked by angela
  140. ap us history

    how could secret ballots and direct primaries increase the influence of the masses in government in the late nineteenth century

    asked by Anonymous
  141. MATH!! probability

    Two cards are drawn without replacement from a deck of 52 cards. Determine P(A and B) where A : the first card is a spade B: the second card is a face card please help!!

    asked by chris
  142. physics

    A car has an acceleration of 2 m/s2, what does this tell you about the velocity of the car . Explain what is meant by an acceleration of -2 m/s2.

    asked by naomi
  143. physics

    A simple harmonic oscillator consists of a 1.1 kg block attached to a spring (k = 180 N/m). The block slides on a horizontal frictionless surface about the equilibrium point x = 0 with a total mechanical energy of 3.0 J. (a) What is the amplitude of the

    asked by Anonymous
  144. western civilization 2

    In 1973 the countries of the West faced a new economic hardship when Answer the U.S. withdrew many loans and investments from Europe. the Soviet Union placed an embargo on trade with western Europe. the Japanese GNP surpassed that of Europe. oil-exporting

    asked by dynasty
  145. Calculus

    How can I find the derivative of y = [ln(x+4)^3]^2 ?

    asked by Al
  146. Math

    what are 3 equivalent fractions to 5/11?

    asked by baseballfan
  147. western civilization 2

    Representatives of postmodernism in the arts and scholarship share the tendency to Answer reject the formal rules of their discipline and looking for hidden meanings and subtle messages. embrace an aesthetic of simplicity and directness. assert that the

    asked by dynasty
  148. math

    i am a mixed decimal number. the sum of my whole number is equal to the sum of my decimal number. my tenths is half of my hundredths and my ones is twice my tenths. if all my digits are even and my hundredths is 8, what number am i.

    asked by mikah
  149. Math

    Which of the following is a solution of the equation 5x + 4 = 14? A. 2 B. -2 C.3 D.1

    asked by AbbyLovesMath
  150. math

    there six coins. each coin has a different value. how much is the total value of the coins

    asked by mikah
  151. algebra

    function f(x)=2x^2-3x f(0)= f(-1)= f(2)=

    asked by ann
  152. Algebra 2

    One of the the zeros of the functions F(x)= x^4+2x^3-13x^2-38x-24 is x=-3, find the other zeros of the function.

    asked by sue
  153. chemistry

    In one mole of the compound nitrogen diox- ide, what fraction of the total number of ions is the nitrogen ion?

    asked by Bob
  154. Physics 30

    A radioactive isotope(h=4.5days) was prepared. This isotope was used 14 days later when it had an activity of 6000000 Bq. What was the activity of this isotope when initially prepared?

    asked by Stewart
  155. ENGLISH

    Second, write five sentences in which you address changes in your writing

    asked by MATHA DION
  156. Math

    What is greater $5.00 or the total value of all combinations of three coins you can make using only pennies, nickels,dimes,and quarters?

    asked by Jay
  157. math

    The tooal amount of interest on a loan of 6,000 for 150 days is 210.50.using the ordinary interest(360 days)method,what is the rate of interest on the loan.Round off answer to the nearest hundredth. I think it is 8.42% Darrell owns a consulting business

    asked by jon
  158. chemistry

    if you react magnesium solution and lead powder together is there a temperature change?

    asked by Beth
  159. Advanced Physics

    one kilogram is poured into a cylandrical vase and fills it to a depth of 8 cm. find the cross section of the cylander. how do i do this?

    asked by i need help please
  160. Physics

    The 636 N weight held by two cables. The left-hand cable had tension 840 N and makes an angle of θ with the wall. The right-hand cable had tension 890 N and makes an angle of θ1 with the ceiling. a) What is the angle θ1 which the right-hand cable makes

    asked by Mike
  161. Math

    A student takes in 2,300 calories and burns 2,500 calories. Find the net calories.

    asked by Help please
  162. Algebra

    a nickle is approximately 20mm in diameter and a quarter is about 25 mm in diameter. if the nickle is enlarges to a diameter of 128mm, what would be the diameter of the quarter using the same scale?

    asked by Tate
  163. Math

    Simifly the expression (-3y + 2x)(-2) + y +(-x)

    asked by Help please
  164. 8th Grade Chemestry

    Helping my child study. Are there any online guides that can help me teach how to predict the products of a reaction. i.e. _ Ag(NO3)+ _ CaCl2 yields Really want to be able to teach my child how to do this rather than have the answer. Thanks

    asked by Stephen
  165. writing

    • Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. This interaction may be imagined or real. • Use at least five different pronouns, adverbs, and adjectives in your

    asked by Anonymous
  166. MATH 12

    two cards are drawn without replacement from a shuffled deck of 52 cards. determine the probability of each event: a) the first card is a heart and the second is the queen of hearts b) the first card is the queen of hearts and the second is a heart

    asked by tina
  167. chemistry

    what would be a diagram that we can use to idenitify an unknown substance using electrochemical data. we have a reduction table and ksp values and we also that the substance is either bromine or iodine

    asked by chemistry
  168. Science

    which is not a from of energy ? light temperature electricity heat

    asked by Miley
  169. physics

    A cat climbs 20 m directly up a tree. What is the horizontal component of the cat’s displacement? Answer in units of m.

    asked by jena
  170. physics

    if a wooden beam is 30 x 20 x 500 cm. and has a mass of 150 kg. what is the density of the wood

    asked by izzy
  171. western civilization

    Since the 1950s the countries of Western Europe have seen Answer heavy industry come to dominate the economy. immigrant laborers leaving in large numbers because of few job opportunities. people from countries in the European Union able to access bank

    asked by dynasty
  172. 7th grade science

    OK so i have to do a project on duchenne muscular dystrophy and I need one page notes about them...so can someone please just give me a couple of quick notes on it? thank you!

    asked by SkaterGirl
  173. physics

    A car has an acceleration of 2 m/s2, what does this tell you about the volocity of the car .

    asked by naomi
  174. algebra

    On three consecutive passes a football team gains 9 yards, loses 10, and gains 16 yards, what number represents the total net yardage?

    asked by olivia
  175. Medical Information Management and office practice

    At Allendale Psychiatric Hospital, the hospital census on January 4 is 110. According to the following data, what's the hospital census for January 5? Admissions 10 Discharges 2 A & D A. 99 B. 100 C. 108 D. 118 What is the correct answer?

    asked by jules
  176. business

    why is it necessary for a good leader to be a good manager and vice versa?

    asked by nana
  177. homework help!

    Would you kindly help my 3rd grader child with the below question Two ways that Ancient Greece & Egypt are alike and or different? Thanks!

    asked by Cindy
  178. math

    There is a square with each of it’s side is of 2m. An octagonal is cut-of from this square by cutting it’s edge such that the octagonal has all it’s sides equal. Find out the length of each side of the octagonal

    asked by soumya
  179. physics

    A 95 N block rests on a table. The sus- pended mass has a weight of 22 N. What frictional force is required to keep the blocks from moving? Answer in units of N.

    asked by help !
  180. math

    Billy has a bag of candy that contains 13 red pieces, 9 green pieces, 3 yellow pieces, and 7 orange pieces. If Billy reaches into the bag without looking, what color is he least likely to get?

    asked by Bruce
  181. 8th Grade Chemestry

    Helping my child study. Are there any online guides that can help me teach how to predict the products of a reaction. i.e. _ Ag(NO3)+ _ CaCl2 yields Really want to be able to teach my child how to do this rather than have the answer. Thanks

    asked by Stephen
  182. Physics 30

    The activity of a sample of a radioactive isotope is 1800Bq. If this isotope has a half-life of 16 days, what is the activity after 16 days?, 24 days?, and 60 days?

    asked by Matthew
  183. Algebra II

    Find all real number soultions. x^3-9x^2+27x-27

    asked by Anonymous
  184. federal tax

    Compute Marie's taxable income for 2008, assuming she is single and claims two dependent children. Her adjusted gross income is $70,000 and she has itemized deductions of $9,000.

    asked by mira
  185. criminal justice

    Name some ethical dilemas that prosecutors have to face

    asked by Sammy
  186. English

    Thank you very much for helping me. Here are some more sentences on the same subjects. 1)An electrician is someone who plans electrical equipments (systems, appliances??). 2) A nurse is someone who takes care of sick people. 3) A teacher is someone who

    asked by Franco
  187. math

    Mr.kale received 4000 votes,Mrs. Chalker received 6000 votes,and Mr.rains received 1/3 of the votes. What was the total number of votes casted

    asked by jorge
  188. Human Physiology

    What would be the effect of low blood protein levels on the colloidal pressure?

    asked by Elise
  189. english

    Why did yun ok come to the mountain hermit?

    asked by Interactions in english(jkbose )
  190. Human Physiology

    How do low plasma protein levels produce edema?

    asked by Elise
  191. Algebra

    A moving company charged $84 plus $50 an hour to move households across town. Another moving company charges $60 an hour for cross-town moves. For what lengths of time is the second moving company more expensive?

    asked by Jay
  192. English

    I was to write 2 paragraphs on how interest rates affect our purchasing decisions and underline the topic sentence of each one. I would like to know if my prargraphs are okay and if I chose the TS correctly. Since I don't know how to underline here the

    asked by Karen
  193. english

    What does my paper suppose to look like when I put my references in APA format

    asked by porshae
  194. math

    What type of math is this? 25% of what is 30? and solve for a: ab=b=3a-d

    asked by Alex
  195. math

    Susan has 50 ft. of fencing in her backyard. What is the largest area garden Susan can create, show the gardens dimensions and explain how you know its the largest area

    asked by kaykay
  196. physical education

    there are three types of components of body type (somatotype). give the three components in the correct order

    asked by Anonymous
  197. chemistry

    if 150g of Ca(OH)2 is reacted with excess H2, how much energy will be needed?

    asked by Vilika
  198. Comprehensive science ADV

    Enviromental problems, Endangered animals are becoming endangered one of the ecamples are the panamian godlen frog. which lives in the habitat of high elevation and rainfroests near fresh water streams. What is being done to control freshwater pollution?

    asked by Enviromental Problems
  199. business

    why is it necessary for a good leader to be a good manager and vice versa?

    asked by nana
  200. math

    I am a three-digit decimal number.My thousandths is twice my tenths.What number am I?

    asked by mikah
  201. Psychology

    Can you translate this question? I do not understand what they are asking. Thank you! In what sense is the dream a reflection of Franco's level of cognitive development?

    asked by Anonymous
  202. Algebra 1

    solve f(x)=3x+2 for x.

    asked by Lauren
  203. Math

    Least to greatest -3, 4, -2

    asked by Help please
  204. math

    describe the relationships that can be formed from different ratios of similar figures.

    asked by meg
  205. math

    s=1/2(a-b)x find b

    asked by vivian
  206. Chemistry

    Melted potassium chloride conducts an electric current. explain.

    asked by Willoby
  207. physics

    A girl delivering newspapers travels 2 blocks west, 10 blocks north, then 4 blocks east. What is the magnitude of her resultant dis- placement? Answer in units of blocks. 077 (part 2 of 3) 10.0 points Find the direction (measured from due east, with

    asked by jena
  208. HIstory

    How did it affect the Guarani Indians when they were first encountered the conquistadors?

    asked by Christina
  209. English

    I forgot to include the very last sentences. Thank you. 1) You have to be yourself and don’t change to be accepted in a group. If they’re your friends, they’ll accept you for who you are. 2)The character is a person represented (?) or presented in a

    asked by Franco
  210. science

    what surface feature characterize the fault line? what does the question mean? and also, i need to find articles on it need those that end in gov,org ,or edu

    asked by hfijskdhk
  211. U.S.History

    Why was the Virginia Colony successful?

    asked by Allison
  212. Geometry

    Given line XY, how many points on the line are exactly 3 inches away from point X? Explain

    asked by Teaera
  213. Economics

    Explain the entities affected by industrial regulation in terms of market structure.

    asked by Melinda
  214. english communication

    which of the following has a hyphen thst's used correctly?

    asked by Anonymous
  215. Science

    Who first discovered color blindness? Could you give me a little bit of background info too please?

    asked by Mary Kate
  216. business

    .How should the leader deal with the situation?

    asked by ahmede
  217. Math

    of the 43 presidents 15 were elected to 2 terms. what fraction of us presidents were elected two terms? HELP! I have been at this one for over two hours and I can't come up with the answer.

    asked by Allie
  218. Chemistry

    How do you find the molar mass of HBr?

    asked by Mariana
  219. physics

    density= mass/volume=150kg/(30*20*500) in kg/cm^3 what is kg/cm^3 and can you explain how to use this please

    asked by izzy
  220. math

    To which sets of numbers does the square root of 31 belog too

    asked by lisa
  221. business

    he leader of your client organization has observed a lack of flexibility and a slow decision-making process in many of the departments. He believes that he is not serving his customers well, and has decided to move to a team environment and to push many of

    asked by hamed
  222. math

    when a standard distribution plot is skewed right, where are the mean and median found?

    asked by ron jon
  223. Physics

    A ball rolls off a 3.5 m high box with a velocity of 4m/s. How long does it take to reach the floor and how far from the box does it land?

    asked by Mary
  224. Math

    the product (-3)(5)(-8)(15) is: A.Positive B. Negative C. Zero D.Not here

    asked by Taylor
  225. English

    Can you please check these sentences for me, please? I included the doubts in parentheses. 1)I live in a town, in southwestern (in south-west also possible) Piedmont, called Rodda. It’s about 250 metres above sea level. 2)I’ve lived there (or here?)

    asked by Franco
  226. algebra 2

    What is the third–degree polynomial function such that f(0) = –18 and whose zeros are 1, 2, and 3

    asked by daniella
  227. Physics

    1.What is the acceleration of a projectile when instantaneous vertical velocity is zero at the top of its trajectory?

    asked by Nico
  228. accounting

    What potential problems can arise if a company incorrectly classifies costs? Example, what if an inventoriable cost is classified as a period cost?

    asked by chris
  229. english

    my teacher want us to write a 5 page report/essay on what we want to be when grow up, i said a police but don't have 5 pages of the information how do i write a 5 page report on the police career?

    asked by malik
  230. algebra

    can you tell me what is the radius for 9in for a circle

    asked by Anonymous
  231. math

    4 2/5 - 2 1/2 = P + 3/10

    asked by jeff
  232. space

    How many socks would it take to fill the space shuttle

    asked by Zoe
  233. business

    Are men better leaders than women?Explain your position with research based views and scholastic sources

    asked by kaled
  234. physics

    how could i find the mass of a liter of alcohol

    asked by izzy
  235. Chemistry

    How to find the marked volume in graduated cylinder?

    asked by Andrew
  236. physics

    A freight train has a mass of 3.2 × 107 kg. If the locomotive can exert a constant pull of 7.1 × 105 N, how long would it take to increase the speed of the train from rest to 74.6 km/h? (Disregard friction.)

    asked by jena
  237. business

    Are men better leaders than women?Explain your position with research based views and scholastic sources

    asked by nana
  238. Math

    Could someone tell me if I am correct on this question? Laurie expects to make 100,000 in 2007.Her Social Security tax rate is 6.20% up to the wage base.Medicare is 1.45%.How much FICA is Laurie excepted to pay for the year? $7,495.00 for my answer

    asked by Bonnie
  239. English

    I forgot to include these other sentences. I just would like to know if all the shops are possible. Thank you. 1))A: You sound angry. It’s nothing. (That’s nothing is possible? But not: there is nothing important.) 2) Someone (and not: Nobody) told me

    asked by Franco
  240. English

    Can you say: "How long is it since you have known Peter?" Isn't since always followed by the past simple? Thank you for your cooperation. I corrected the alternative: "How long have you known him for?"

    asked by Franco
  241. Biology

    how does the external environment of an organism can affect gene function.

    asked by Needs Help
  242. social studies

    What are the failures of the UN organization -World meteoroligcal organization(WMO)

    asked by sara
  243. early childhood education

    Give an example of putting DAP into practice.

    asked by porshae
  244. physics

    if the length of a pendulum is 0.8m what is the period if the angular deflection is 30 degrees?

    asked by matt
  245. English

    I have three very last sentences I'd like you to check. Thank you. 1)You limited yourself to reporting what was on the photocopy without revising (rewording) any single sentence. Furthermore, instead of joining your ideas (with)using appropriate linkers

    asked by Franco
  246. alg2

    Describe the end behavior for the graph of y= 12x^6 + 4x^4 - x^3 + 6x +1

    asked by morgen
  247. Geology

    Why is pattern recognition with respect to earthquakes so important?

    asked by Zukii
  248. English

    I read a text about a girl/boy comparing the choise of a career/job with a jigsaw puzzle. My teacher asked me to tell who this person is and were this person is going? I have trouble with were this person is going. I have to do one paragraph !! Please help

    asked by Please HELP ITS DUE TOMORROW !!
  249. language arts

    i have been looking EVERYWHERE for a correct definition of the words retaliatory and immune... please help!!!!

    asked by Bri
  250. Math

    Selena received a $42 commission for selling a computer for $1400. What percent is her commission?

    asked by ruth
  251. human life

    What does "Identify your values" mean?

    asked by Ryleigh
  252. early childhood education

    List the five guidelines of DAP as set forth in DAP curriculum?

    asked by porshae
  253. Math

    Tomas put $180 in an account earning simple interest. At the end of one year, the account had $186.30 in it. Assuming no additional deposits or withdrawals, what was the interest rate being paid?

    asked by Olivia
  254. math

    The seventh book in the harry potter series has 759 pages. How many 2s were used when typing the page numbers?

    asked by kaykay
  255. Science

    Explain the basis of judgment you believe should be used for addressing the moral questions or dilemmas surrounding the issue of coal use. What exactly is this question asking of me? Not sure what to do.

    asked by Anonymous
  256. english

    what is the subject and veb in this sentence? a rumor has been spreading about the possible closing of the plant.

    asked by nancy
  257. math analysis

    how do i do cosecant x= 30/150? and how do i do cosecant x= 1500/9000

    asked by paige
  258. Algebra

    The representative tells you that floor plan #1 sells for $175,000 and floor plan #2 sells for $200,000. She also mentions that all the available houses combined are worth $7,200,000. Write an equation that illustrates this situation. Use the same

    asked by Cathy
  259. 7th Grade

    Z+5/7=3 home work problem that was not taught in class?

    asked by Carole
  260. reading

    i have a report on william clark due it 2days i need help. FAST!

    asked by spencer
  261. probability and statistics

    when a standard distribution plot is skewed right, where are the mean and median found?

    asked by ron jon
  262. math

    Susan has 50ft of fencing to use to build a garden in her backyard. A: The shape must be a rectangle/square. B: Sketch at least five different examples that Susan could use for her backyard and state what the perimeter of each one is. C: The most important

    asked by Evelyn
  263. English

    I forgot to include these few last sentences. Thank you. 1) Chaucer projected (?? planned) to write 120 tales. 2) The characters almost come from the same social class because the nobles wouldn't travel (better: wouldn' have agreed to travel with

    asked by Franco
  264. eth125

    what are some changes the uniteds states has made to policies concerning the treatment of muslim and arabic membersof society?

    asked by maxine