Questions Asked on
December 15, 2012

  1. science

    Calculate the density of sulfur hexafluoride gas at 703 torr and 23°C. density is mass/volume so how do i get those from what i am given? also ) Calculate the molar mass of a vapor that has a density of 6.735 g/L at 11°C and 743 torr.

    asked by Samantha
  2. physics

    Each of the following objects has a radius of 0.180 m and a mass of 2.65 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 41.4 rad/s. Find the magnitude of the angular momentum of each object. a) a hoop

    asked by anonymous
  3. college trig word problem

    A Ferris wheel has a radius of 25 feet.The wheel is rotating at two revolutions per minute.Find the linear speed, in feet per minute, of a seat on this ferris wheel.

    asked by Joel
  4. jchs

    a sugar solution contains 26 g of sugar in 0.50 l of solution.waht is the concentration in g/l.

    asked by vera
  5. geometery

    A solid metal cylinder with a 4-in. radius and a 10-in. altitude is melted and recast into solid right circular cones each with a 1-in. radius and a 2-in. altitude. The number of cones formed is

    asked by Anonymous
  6. science

    Calculate the number of molecules in a deep breath of air whose volume is 2.68 L at body temperature, 37°C, and a pressure of 743 torr (b) The adult blue whale has a lung capacity of 5.0 103 L. Calculate the mass of air (assume an average molar mass 28.98

    asked by Samantha
  7. spanish

    what would the possesive pronoun be? Se me quedaron en casa los libros. ¿Trajo Ana ____ (hers)? Uso mi teléfono celular cuando viajo. ¿Cuándo usa Ramón _____ (his)? Tu profesora es muy simpática. _____ (Ours) es simpática también. Me encantan mis

    asked by lauren
  8. PLEASE HELP EARTH SCIENCE EMERGENCY!!!!

    Describe two complexities about Earth's climate system that results in changes happening faster than expected.

    asked by Kayce
  9. Math - Calculus

    Water is flowing in a cylindrical pipe of radius 1 inch. Because water is viscous and sticks to the pipe, the rate of flow varies with distance from the center. The speed of the water at distance r inches from the center is 10(1-(r^2)) per second. What is

    asked by Elsi
  10. EArth Science to DAMONpl

    If sea level has risen by 20 cm over the past century on the coast of North America,by how much do you think it has risen over the past century on the coast of India?Explain.

    asked by jeanie
  11. physical science

    A 3000-kg car bumps into a stationary, 5000-kg truck. The velocity of the car before the collision was +4 m/s and -1 m/s after the collision. What is the velocity of the truck after the collision?

    asked by alex
  12. social studies

    Governments that are not comfortable with the influence of outside cultures on their population encourage _____. a.cultural diffusion b.cultural convergence c.cultural divergence d.cultural mosaics

    asked by kurtis
  13. chemistry-chemical kinetics

    by what factor is the rate of detoxification changed if a liver enzyme lowers the activation energy of the reaction by 5 kJ/mol at 37 degree celsius?

    asked by eiry
  14. physics

    Why might it be hard for the firefighter to hold the hose steady when the water gushes out of the hose? Think about the law of conservation of momentum.

    asked by alex
  15. Physics

    If we intercept an electron having total energy 1533 MeV that came from Vega, which is 26 ly from us, how far in light-years was the trip in the rest frame of the electron? (Answer: 8.7*10^-3 ly)

    asked by Brian
  16. physics

    an empty rubber balloon has mass 0.0120kg, the balloon is filled with helium of density 0.181 kg/m^3. the balloon is spherical w/ radius 0.500m. if the balloon is ties to a vertical string, what is thw tension in the string? density of air 1.29 kg/m^3

    asked by Helen
  17. science

    Explain why the following statement is incorrect: Climatologists use the data from ice cores to directly measure past temperatures.

    asked by Lg
  18. AP Chemistry

    what is the maximum amount of CO2 which could be formed from 13.18 g of C3H8 and 9.15 g of O2?C3H8 + 5O2 ! 3CO2 + 4H2O,

    asked by Anonymous
  19. Physics

    A spaceship at rest in a certain reference frame S is given a speed increment of 0.50c. Relative to its new rest frame, it is then given a further 0.50c increment. This process is continued until its speed with respect to its original frame S exceeds

    asked by Brian
  20. Physics

    A 5.00-grain aspirin tablet has a mass of 320 mg. For how many kilometers would the energy equivalent of this mass power an automobile? Assume 12.75 km/L and a heat of combustion of 3.65x10^7 J/L for the gasoline used in the automobile.

    asked by Brian
  21. statistics please

    a basketball scout randomly selected 144 players and timed howlong eah player took to perform a certain drill. the times in thissample were distributed with a mean of 8 minutes. the populationstandard deviation was known to be 3 minutes. (a) find the

    asked by gina
  22. Physics

    A 59-kg person on skis starts from rest down a hill sloped at 36° from the horizontal. The coefficient of friction between the skis and the snow is 0.16. After the skier had been moving for 5.0 s, the friction of the snow suddenly increased and made the

    asked by Alex
  23. maths --plse help me..

    what acute angle does a line of slope -2/3 make with vertical line.

    asked by Anonymous
  24. Chemistry

    Answer the following questions by referring to the Cu-Al phase diagram shown below. (a) What is the lowest temperature at which a liquid can be found in a system of any composition of Cu-Al ? (b) A common alloy composition used in airplanes is 4 at. % Cu -

    asked by Chemgnam Style
  25. physics

    a truck with a mass of 2100 kg travels at a constant speed of 75 km/h. (a) What is the magnitude of the truck’s linear momentum? kg·m/s (b) What average force would be required to stop the truck in 7.5 s? does this have to do with f=ma or not? help

    asked by ricchie
  26. English

    In which sentence do you find subject-verb agreement? A. If you look carefully, you’ll see tomatoes is on the aisle. B. Neither the clarinets nor the trumpets plays the melody correctly. C. Farley or Farley’s brother is helping me with the project. D.

    asked by Sandia
  27. Chemistry

    What mass of solid sodium acetate, NaCH3COO, must be added to 2.50 L of an aqueous solution of 0.55 M acetic acid, CH3COOH, in order to make a buffer solution whose pH is 4.50? Assume that adding the solid does not change the volume of the solution.

    asked by Dee
  28. chemistry

    I know caffeine is more polar than salicylic acid but how would I explain that given their respective structures? I know for smaller molecules you would figure out the polarity of individual bonds and the molecule's geometry but I can't figure out how to

    asked by Jess
  29. Chemistry

    How many grams ofPbCl2will dissolve in 2.00 L of O.650M aqueous Pb(N03)2 solution?

    asked by Anonymous
  30. English

    Which one of the following is a run-on sentence? A. I would talk to Frank if I knew him, but people don’t ever talk to him. B. I think Frank might be too busy he likes to make people think he’s smart. C. Jerry told me he likes June, but Hank likes

    asked by Sandia
  31. maths --plse help me..

    a rectangle with perimeter 44 cm is divided into 5 congruent triangles as shown in the figure. what will be the perimeter of each of the congruent triangle?

    asked by Anonymous
  32. Math

    An initial deposit of $5000 earns 5.5% annual interest compounded semiannually. How much will be in the account after 5 years?

    asked by Kristen
  33. physics

    Each of the following objects has a radius of 0.180 m and a mass of 2.65 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 41.4 rad/s. Find the magnitude of the angular momentum of each object. a) a hoop

    asked by anonymous
  34. Chemistry

    You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 235.0 ppm and is initially uniform through the thickness of the

    asked by Anonymous
  35. math equation

    a construction company is planning to bid on a buildinh contract. The bid cost the company $1400.00. The probability that all the bid accepted is 1/4. If the bid is accepted the company will make $31,600 minus the cost of the bid.

    asked by Anonymous
  36. Chemistry

    "You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 165.0 ppm and is initially uniform through the thickness of the

    asked by Roger
  37. Chemistry (balloon)

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.3 kg m-3. Under these conditions the total surface area of the balloon is 0.33 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked by T
  38. college physics

    have a couple of questions about my homework and it's due at midnight tonight: 1. On a hot summer day, the temperature of air in Arizona reaches 115°F. What is the speed of sound in air at this temperature? (Enter your answer to four significant figures.

    asked by Karrine
  39. math

    if a tree in a 1/2 inch scale drawing is 11 inches tall, how tall is the actual tree?

    asked by Alex
  40. chemistry

    Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of solution.

    asked by julie
  41. physics

    You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 206.5 ppm and is initially uniform through the thickness of the

    asked by y
  42. algebra please help

    The weight M of an object on Mars varies directly as its weighton earth. A person who weighs 95 lb on earth weighs 38 lbs on Mars. How much would a 100 lb person weigh on Mars?

    asked by cori
  43. Fundamental Of Chemical Engineering

    If a sulfuric acid plant is to produce 10 ton/day of 98% sulfuric acid, How much sulfur is needed, how much air is required and how much water is used?

    asked by NONO
  44. chemistry

    You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 390.5 ppm and is initially uniform through the thickness of the

    asked by mike
  45. Chemistry

    You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 200.5 ppm and is initially uniform through the thickness of the

    asked by Ankur
  46. Chemistry

    Chemical analysis of a silicon crystal reveals gallium at a level of 3.091×10−4 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Si matrix is negligible, what is the density of free charge carriers (free

    asked by T
  47. maths --plse help me..

    THE VOLUME OF A CYLINDER IS 48.125cm cube , WHICH IS FORMED BY ROLLING A RECTANGULAR PAPER SHEET ALONG THE LENTH OF THE PAPER . IF A CUBOIDAL BOX ( WITHOUT ANY LID i.e , OPEN AT THE TOP ) IS MADE FROM THE SAME SHEET OF PAPER BY CUTTING OUT THE SQURE OF

    asked by Anonymous
  48. childcare

    Which of the following exhibits adult supervision with full accountability? A. Checking in from time to time to make sure that the child is safe B. Self-care for the child in his or her own home setting C. Sending a child to lessons or other youth groups

    asked by Anonymous
  49. Fundamental Of Chemical Engineering

    If a sulfuric acid plant is to produce 10 ton/day of 98% sulfuric acid, How much sulfur is needed, how much air is required and how much water is used?

    asked by NONO
  50. help...urgent..calculus..please show tthe way to s

    Sony Ent. is marketing a new smartphone. It determines that in order to sell x smartphones, the price per product must be p=280-0.4x. It also determine that the total cost of producing x smartphones is given by c(x)=5000+0.6x^2 . a. Find the total revenue,

    asked by fafa
  51. statistics

    experience in investigating insurance claims show that the averagecost to process a claim is approximately normally distributed witha mean of $80.new cost-cutting measures were started and a sampleof 25 claims was tested .the sample mean of the costs to

    asked by gina
  52. Chemistry

    You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 325.5 ppm and is initially uniform through the thickness of the

    asked by JoeBob
  53. Chemistry

    You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 359.5 ppm and is initially uniform through the thickness of the

    asked by T
  54. Chemistry

    The half-life of a first order reaction is determined to be 92.0 years. How long will it take for the concentration of the reactant to reach 2% of its initial value?

    asked by Chemistry
  55. Chemistry

    You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 299.0 ppm and is initially uniform through the thickness of the

    asked by December
  56. spanish

    I have the answers... will you tell me if they're right?? Choose the correct form of the possessive adjective. Modelo: amigos (mi or mis) - mis - amigos is plural Libro- A. SU b. sus 2. Casas A. NUESTRAS b. nuestra 3. Cena a. sus B. SU 4. Sombrero A. TU b.

    asked by Andrea
  57. Z- effect chemistry

    The Zeeman effect is observed as a splitting in the spectral lines of hydrogen in the presence of a magnetic field. What is the greatest number of lines that a single spectral line can be split into by a magnetic field?

    asked by henry
  58. Chemistry

    You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 211.5 ppm and is initially uniform through the thickness of the

    asked by Odesa
  59. calculus

    A ladder 25 m long leans against a vertical all. If the lower end is being moved away from the wall at the rate 6m/sec, how fast is the height of the top decreasing when the lower end is 7m from the wall?

    asked by yayah
  60. calculus

    . Sony Ent. is marketing a new smartphone. It determines that in order to sell x smartphones, the price per product must be It also determine that the total cost of producing x smartphones is given by a. Find the total revenue, R(x). b. Find the total

    asked by yaya
  61. Grammar

    I am writing an essay and for this sentence, I don't know if I have used the right tenses of "can" and "give". Please check to see if they are right :) "Using the insight gained from her road of life, she has given me the best life she can while instilling

    asked by Anon
  62. physics

    is2A wedge of mass M fitted with a spring of stiftness k is kept on a smoth hrizontal surface. A rod of mass m is kept on the wedge as shown in the figure. System is in equilibrium. Assuming that all the surfaces are smooth, the potential energy stored in

    asked by anil jha
  63. chemistry

    You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 213.5 ppm and is initially uniform through the thickness of the

    asked by asd
  64. maths

    What is the vertex,focus,directrix of the equation y

    asked by Minte
  65. Physics

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.35 kg m-3. Under these conditions the total surface area of the balloon is 0.88 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked by JoeBob
  66. math,

    "The construction of a lunatic asylum costs 6 million marks. How many houses at 15,000 marks each could have been built for that amount?"

    asked by Anonymous
  67. Chemistry

    The differnece in the mass of 100 moles of each sodium atoms and sodium ions is 5.48002 g. Compute the mass of an electron.

    asked by Mohit
  68. maths

    What is the centre of the equation 4x^2 9y^2 - 32x 36y 11

    asked by Minte
  69. English

    1. She often missed classes. 2. She often skipped classes. (Are bothe the same? Do you use some other expressions instead of 'missed'?) 3. She wore the same old dress to school every day. 4. She wore the same old dress when she goes to school every day.

    asked by rfvv
  70. math

    the distance from jill house to school is 3 3/5 miles. jill walks 1/6 of the way. how far does she walk

    asked by mili
  71. spanish III check?

    1. En nuestra casa, mi hermana y yo preparamos la comida los fines de semana y _____ padres la preparan durante la semana.--- NUESTROS 2. Tiene que preparar mucha comida porque tengo cinco hermanos y mis hermanos pueden comerse un millón de enchiladas.

    asked by Andrea
  72. Problem

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.92 kg m-3. Under these conditions the total surface area of the balloon is 0.26 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked by asd
  73. Physics

    a 4 kg block is being pulled by a string at a constant speed on a surface with coeficient of kinetic friction of .3. If the string is at an angle 45 degrees above the horizontal, what is the magnitude of the force F(also known as the string)?

    asked by Corey
  74. maths

    What is the equation of hyperbola whose foci at F(-8,0) and length of trasverse axis is 6?

    asked by Minte
  75. Biology

    If you were to examine the mature mRNA that comes from a certain human gene, and then line it up to the actual DNA sequence of that same gene, you would see many differences. What would these differences be and where do they come from?

    asked by Alex
  76. physics

    hi every one i appreciate help as ineed answer as soon a jetplane discharges a jet at rate of 28kg/s with a velocity of 950 m/s relative to the plane if the forward speed of the plane is 875km/h what is the thrust developped on the plane and the power

    asked by georgie
  77. business

    1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

    asked by lou
  78. Math

    On his last deep sea fishing trip, Greg caught a grouper that measured 20.716 inches in length. Rules require that grouper less than 22 inches in length be released back into the wild. How much longer, in inches, did Greg's fish need to be for him to keep

    asked by Rishad Alam
  79. Math

    Ms. Tenley's class has 25 students. Two of the students have visited no other countries other than the United States. Five of the students have visited at least 1 other country. Ten students have visited 2, four students have visited 3, 3 students have

    asked by Shiny
  80. Chemistry

    to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 200.5 ppm and is initially uniform through the thickness of the steel. The

    asked by Ankur
  81. World History..

    Were the disabled people placed in ghettos, concentration camps, or refugees? (Be specific)

    asked by Anonymous
  82. ENGLISH 9 BIOGRAPHY

    we are doing a biography on our favourite singer or singers, and i luv justin bieber and one direction. My first choice is one direction since i really love their music. but then the problem is that i will have to do 5 biographys since their are 5 people

    asked by Jules
  83. business

    1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

    asked by lou
  84. chemistry

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.35 kg m-3. Under these conditions the total surface area of the balloon is 0.57 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked by anita
  85. Physics

    Five forces act on an object. (1) 63 N at 90° (2) 40 N at 0° (3) 83 N at 270° (4) 40 N at 180° (5) 50 N at 60° What are the magnitude and direction of a sixth force that would produce equilibrium?

    asked by Lexie
  86. Algebra

    A quarium has a total of 28 beta fish, piranhas, and turtles. The number of piranhas is 1 more than the number of turtles, and 2 fewer than the number of beta fish. How many beta fish are there in the aquarium?

    asked by Rayyan
  87. Math

    One student studied for 8 years in college and her tuition bills are recorded. Years. One semester tuition 1. 4680 2. 4960 3. 5510 4. 6060 5. 6845 6. 7600 7. 8435 8. 9250 Construct the scatter plot for the data with the scales.choose 3 points,find a

    asked by Praphul
  88. Chemistry

    You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 243.0 ppm and is initially uniform through the thickness of the

    asked by Desperate
  89. calculus

    determine the average value of f(x) over the interval from x=a to x=b, where f(x)=100e^-.5x; a=0, b=4

    asked by chola
  90. Physics

    Hello I am trying to solve this physics problem related to effusion of gases. The following data is given and I am asked to calculate the rate of effusion The data given; depth/thickness (t) Surface area (A) diffusion coefficient (D) Can someone help me

    asked by Sam
  91. chemistry "Dr. Bob222" Guidance Request

    The lethal inhalation dose of Sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of Sarin that researchers used to calculate this lethal inhalation dose. 1.4 x 10-4 mg/kg 0.16 x 10-4 mg/kg 1.8 x 10-5 mg/kg 0.00023 mg/kg

    asked by Cameron
  92. chemistry

    How many different 5.00 d states does hydrogen have? please list them..

    asked by jen
  93. Physics

    a 4 kg block is being pulled by a string at a constant speed on a surface with coeficient of kinetic friction of .3. If the string is at an angle 45 degrees above the horizontal, what is the magnitude of the force F(also known as the string)?

    asked by Corey
  94. maths --plse help me..

    if a, b, c are in A.P. then solve that b+c-a,c+a-b,a+b-c are in A.P.

    asked by sapna
  95. Physics

    a 4 kg block is being pulled by a string at a constant speed on a surface with coeficient of kinetic friction of .3. If the string is at an angle 45 degrees above the horizontal, what is the magnitude of the force F(also known as the string)?

    asked by Corey
  96. CHEM

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.43 kg m-3. Under these conditions the total surface area of the balloon is 0.68 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked by Jaigaon
  97. English - ms. sue

    thanks ms. sue for reading story yesterday, i need help writing essay that be on Wat expense be paid by beings & by society 4 their unhesitating approval of tradition or brutal social rituals. Do there be rituals that have outlasted their initial

    asked by Mohammad
  98. Math

    a weight of mass m is attached to a spring and oscillates with simple harmonic motion. By Hooke's Law, the vertical displacement, y(t) satisfies the differential equation dy/dt=sqrt(k/m)*sqrt(A^2-y^2) where A(Fixed) is the maximum displacement and k is a

    asked by A.J.
  99. physics

    an air craft of mass 5110 kg flying in level flight at speed of 398 knots air enters the engine is 65 kg/s and the jet speed relative to the air craft is 610 m/s if the lift drag ratio is 10 find accerlation and power and thrust thanks if any one can help

    asked by alman
  100. Calc-optimization

    Given y=(x)^1/2, find the closest point to (3/2,0)

    asked by Daryl
  101. help...urgent..calculus

    Sony Ent. is marketing a new smartphone. It determines that in order to sell x smartphones, the price per product must be p=280-0.4x. It also determine that the total cost of producing x smartphones is given by c(x)=5000+0.6x^2 . a. Find the total revenue,

    asked by fafa
  102. chemistry

    The half-life of a first order reaction is determined to be 74.5 years. How long will it take for the concentration of the reactant to reach 2% of its initial value?

    asked by 123
  103. calculus ..>steve

    Given a function f(x)2/3x^3+5/2x^2-3x. a) Find i. The inflection point. ii. The y-intercept and x-intercept. b) Sketch the graph of f(x). i have already try it..but i don't understand.. which graph that is true.. the first or second ? and how to calculate

    asked by yaya
  104. chemistry

    The half-life of a first order reaction is determined to be 79.0 years. How long will it take for the concentration of the reactant to reach 2% of its initial value?

    asked by kkr
  105. geometry

    A rectangular wall is 22.7 feet long and 7.5 feet high. If the door in the wall is 2 feet wide and 6.5 feet high, what is the area of the wall excluding the door?

    asked by Layla
  106. Physics

    Amy age 8 27kg 127cm Bruce age 12 41kg 149cm Both Amy and Bruce are learning gymnastics and having trouble being able to get enough height and time in the air to do a back somersault without the coach spotting them. The coach gives them homework to just

    asked by Tom
  107. economics

    the average tax charge is $95. Assuming a normal distribution as a standard deviation of $10, use the approximate areas beneath the normal curve to answer what proportion of tax prep fees were exactly $100?

    asked by Anonymous
  108. Chemistry

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.35 kg m-3. Under these conditions the total surface area of the balloon is 0.88 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked by JoeBob
  109. math

    Formulate a the least possible decimaal that is greater than 0 but less than 1 using each digit 7,8,and 5 once.

    asked by Anonymous
  110. english

    Hey, can anybody tell me what "Names of mountains vary" mean? I'm german and have no clue what it can mean..

    asked by Minnie
  111. ricon high school

    A 6 kg ball is thrown by a catapult at 30 m/s. what is the ball's momentum?

    asked by Todd
  112. Us history

    Describe the economic policy of merchantilism in early America

    asked by Amanda
  113. world history..

    Were the disabled people placed in ghettos, concentration camps, or refugees?

    asked by Anonymous
  114. CHEMISTRY

    Chemical analysis of a silicon crystal reveals gallium at a level of 3.091×10−8 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Si matrix is negligible, what is the density of free charge carriers (free

    asked by anita
  115. us history

    whic statement about the female workforce during the war is not true A) women gained cl

    asked by briana
  116. english

    You say in english The French drinks a lot of wine. The Swiss makes good choloclate. Is there a national adjective without "the"??

    asked by Minnie
  117. Math

    The sluggers were up to bat in the bottom of 9 th inning.theo slam was up to bat. As he hit the ball toward left field, it rose from 3 to 10 to 50 feet as the horizontal distance from home plate increased from 0 to 2 to 14 feet. Assume that the vertical

    asked by Praphul
  118. MATH

    IF THE PROBABILITY OF A IS 3/5.AND PROBABILITY OF A INTERSECTION B IS 3/10.WHAT IS THE PROBABILITY OF B?

    asked by Anonymous
  119. WORLD HISTORY

    I NEED TO FIND A FIRST-HAND ACCOUNT OR PRIMARY SOURCE OF THE HANDICAPPED DURING THE HOLOCAUST.

    asked by Anonymous
  120. spanish III

    check? I was unsure how to do this part... I still put the answers. Will you correct them if they are wrong and explain to me how to do it right? Thanks! Son las tijeras de nosotros. Son____________ tijeras.Son los gatos de la Sra. Barbosa.---- NOSOTROS

    asked by Andrea
  121. physics

    a girl throws a dart with a speed of 12.4 meters per second. the dart hits the board .32 meters below the height from which it was thrown. how far from the board was the girl?

    asked by skylar
  122. Chemistry

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.31 kg m-3. Under these conditions the total surface area of the balloon is 0.11 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked by qpt
  123. Physics

    A rogue chipmunk has been raiding the secrete acorn stash of 3 squirrels. On discovering the perpetrator in the very act they secure him with 3 ropes and attempt to pull him off the limb where he falls to his demise. The first squirrel pulls at an angle of

    asked by Sally
  124. calculus

    Q4. Given a function f(x)2/3x^3+5/2x^2-3x. a) Find i. The inflection point. ii. The y-intercept and x-intercept. b) Sketch the graph of f(x).

    asked by yaya
  125. Biology

    Eukaryotic chromatin can be chemically modified in several ways. List at least three modifications and describe the effect of these modifications.

    asked by Alex
  126. Biology

    if the tall f1 generation of pea plants are allowed to self pollinate, the offspring will have this ratio for tall and short? PLEASE HELP ME!! I HAVE A FINAL AND I NEED HELP!!!

    asked by ME! PLZ HELP
  127. chemistry

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.53 kg m-3. Under these conditions the total surface area of the balloon is 0.2 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked by mike
  128. calculus

    find the rate of change of f(x)=x^2+4 a. from -2 to 0 b. from 1 to 3 c. from -2 to 1 pllease show work

    asked by Help--Please help!!!!
  129. Math

    4 1/3 - 1 1/4 = 2 3/12?

    asked by Jerald
  130. calculus

    for the given functions f&g, find the following and state the domain of each result. f(x)= 5x+4/7x-8; g(x)= 2x/7x-8 a. (f+g)(x)=? what is the domain? b. (f/g)(x)=? what is the domain?

    asked by Help--Please help!!!!
  131. Physics

    mass of an unknown sample is 0.240 kg in air and 0.208 kg when in oil of density=800 kg/m^3. Determine volume and density. Is the density 0.240/800?

    asked by Helen
  132. Chemistry

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.43 kg m-3. Under these conditions the total surface area of the balloon is 0.68 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked by Stud
  133. statistics

    a large study involving over 20000 individuals shows that the mean percentage intake of kilocalories from fat was 39% with a range from 6%- 72%. a small sample study was conductd to determine if the mean intake of patiens was different from 39%. a sample

    asked by phiney
  134. math

    580/145 lowest term

    asked by Nelli
  135. Math Subtracting mixed numbers

    3 3/4 - 1 1/3 = 1 17/12?

    asked by Jerald
  136. Algebra

    a pet store has a total of 16 snakes, guinea pigs, and miniature poodles. The number of guinea pigs is 1 more than the number of miniature poodles, and 2 fewer than the number of snakes. How many snakes are there in the pet store.

    asked by Rayyan
  137. Math

    12 3/5 - 3 6/7 = 8 26/35 6 1/4 - 4 2/5 = 1 17/20

    asked by Jerald
  138. science

    if liquid heleum is drank

    asked by Akorren
  139. American government

    The process of political learning in the US is:

    asked by NeNe
  140. chemistry

    A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.92 kg m-3. Under these conditions the total surface area of the balloon is 0.26 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

    asked by asd