Questions Asked on
January 27, 2012

  1. Chemistry

    The most abundant cation in seawater is the sodium ion. The evaporation of seawater gives a mixture of ionic compounds containing sodium combined with chloride, sulfate, carbonate, bicarbonate, bromide, fluoride, and tetrahydroxybrate.

    asked by Stephanie
  2. physics

    Cause and Effect Make a graphic organizer like the one on page 301 of your textbook. Fill it with ways to cause physical changes to a piece of paper. Describe the effects each change would have on the paper.

    asked by Anonymous
  3. launguge arts

    I need to un scramble these words and make new ones help eioubdhrs

    asked by kelly
  4. math

    how can i write my 95 pounds weight in whole numbers

    asked by fareeda
  5. math

    Beth and her grandmother paid $23.00 for tickets to a play. An adult ticket costs $6.50 more than a child's ticket. What was the cost of Beth's ticket?

    asked by Brandon
  6. Chemistry

    Naturally occurring copper contains a mixture of 69.09% copper-63 (63.9298 amu) and 30.91% copper-65 (64.9278 amu). What is the average atomic mass of copper?

    asked by ashley
  7. Math

    Reduce the following radical to simplest terms. Enter as " b*(c)^(1/n) " without the quotations. 16 cube root?

    asked by Daniel L
  8. algebra

    mary went to the store for some fruit. The apples were $1.00 per pound and the oranges were $0.50 per poumd. She spent $5,00 all together and took home a total of 8 pond of fruit. How many ponds of apples and oranges did she buy?

    asked by john
  9. Math- Alg 2

    Which logarithmic equation is equivalent to the exponential equation below? 3^x=28

    asked by CAMILA
  10. chemistry

    How many grams of iron are needed to produce 42.8 L of hydrogen gas according to the following reaction at 25oC and 1 atm? iron (s) + hydrochloric acid (aq) iron(II) chloride (aq) + hydrogen (g)

    asked by jim
  11. Microscope

    True or False? Resolution decreases as the amount of light coming in on the object increases?

    asked by Jerome
  12. chemistry

    draw a newman projection of the most stable conformation of 2,3-dichlorohexane looking down the c3-c4 bond

    asked by nu
  13. Math

    Determine whether a correlation coefficient of r = –0.405 is significant at the 5% level for a sample size of 22

    asked by Constance
  14. Biology

    Why is proper microscope technique important for studying Anatomy and Physiology?

    asked by Jerome
  15. physics

    A uniform electric field of magnitude 2.10×10^4 makes an angle of 37 with a plane surface of area 1.60×10^−2 .What is the electric flux through the surface?

    asked by giga
  16. algebra

    y=1/2x-1

    asked by megan
  17. Biology

    If the doctor presses on the right hypochondriac region, what organ is the doctor likely pressing on?

    asked by Jerome
  18. Poetry

    “Sonnet 30” p. 960 Author: William Shakespeare. Type of Poem: Sonnet. Poetry/Literary Terms: Theme/Meaning: “Casey at the Bat” p.42 Author: Ernest Lawrence Thayer Type of Poem: ______________________ Poetry/Literary Terms: Theme/Meaning: “The

    asked by Nar
  19. physics

    A mango fruit falls down from a tree due to its weight, with an initial velocity of 15m/s. Find the displacement and velocity after 4 seconds.

    asked by callister
  20. physics

    using a sketchs, show the type of directions of forces acting on the following farm hand tools i) a hoe ii) a rake for land clearing 0

    asked by callister
  21. chemistry

    The value of delata h for the reaction below is -186 kJ. Calculate the heat Kj released from the reaction of 25g of Cl2

    asked by ashely
  22. Physics

    A boy tosses a football upward. If the football rises a vertical distance of 1.1 m and the boy catches it at the same point he released it, what is the velocity of the ball just before he catches it?

    asked by Aaron
  23. Chemistry

    Say true or false. (1)The end point of titration attend on equivalent point. (2)All exothermic process are spontaneous process.

    asked by Chemo
  24. math

    a rectangle has an area of 360 square .what .it is 20 centimeters long.what is its perimeter

    asked by lina
  25. Probability

    You toss a fair coin four times. Find the probability of no more than three heads given that at least one toss resulted in heads. Thank you very much!!

    asked by Erica
  26. Probability

    A screening test for a disease shows a positive test result in 95% of all cases when the disease is actually present and in 20% of all cases when it is not. When the test was administered to a large number of people, 21.5% of the results were positive.

    asked by Erica
  27. Probability

    A drawer contains six bags numbered 1-6, respectively. Bag i contains i blue balls and 2 green balls. You roll a fair die and then pick a ball out of the bag with the number shown on the die. What is the probability that the ball is blue? Thank you!

    asked by Erica
  28. Probability

    A drug company claims that a new headache drug will bring instant relief in 90% of all cases. If a person is treated with a placebo, there is a 20% chance that the person will feel instant relief. In a clinical trial, half the subjects are treated with the

    asked by Erica
  29. Probability

    Assume that 20% of a very common insect species in your study area is parasitized. Assume that insects are parasitized independently of each other. If you collect 10 specimens of this species, what is the probability that no more than 2 specimens in your

    asked by Erica
  30. poetry

    I need help on figuring out the type of poem and developing a theme and meaning the themes/meaning is confusing me on some of them “No, Thank You, John” I never said I loved you, John: Why will you tease me day by day, And wax a weariness to think upon

    asked by Nae
  31. computer

    how does relocation work? what is a relocating loader

    asked by sia
  32. math

    a spinner with 8 sections has 2 blue and 1 yellow section. What 's the (p) of one spin landing on blue and one spin landing on yellow. The answer is 1/16 Why?

    asked by gilbert
  33. Geometry

    Symmetric Property of Congruence: if < 1 ~=

    asked by Nae
  34. Math - Probability

    Michelle draws a card from a standard deck of 52 cards. She replaces the card and draws a second card. What is the probability that she draws a red card and then a black card?

    asked by Finch
  35. Calculus

    Find f'(x) if f(x)= Logx(x^2-5x+6) NOTE: that logx is a sub x

    asked by Jesse Stone
  36. maths

    factorise fully: 5x^2+11x+2

    asked by emmanuel
  37. Business Finance

    Jeff Sellers bought 200 shares of Radio Shack stock at $22.35. Eight months later,he sold the stock at $31.76. Assuming a 2% commission charge, what is the bottom line for Jeff?

    asked by Step
  38. math

    In how many ways can a teacher arrange 6 students in the front row of a classroom with a total of 20 students

    asked by kay
  39. Human Service

    I have been looking for the names of some Human Service Pioneers can anyone help me. I have a few but I need more.

    asked by RT
  40. trig

    Graph f(x)= second(2x+3.14/4)

    asked by Anonymous
  41. chimistry

    what is the volume of .020 mol ne at .505kpa and 27.0'C

    asked by edjucation
  42. math

    Calculate the average rate of change over the given interval of the given function. f (x) = x3, from x = 8 to x = 9

    asked by kate
  43. trig

    how to do root3 value

    asked by bhavya
  44. Physics (Wave Force)

    An archer must exert a force of 445 N on the bowstring shown in Figure (a) such that the string makes an angle of è = 34.0° with the vertical. (a) Determine the tension in the bowstring. _____________________________________ My answer was 420.525, but it

    asked by Anonymous
  45. calculus

    statistical midels predict that price p (in dollars) of a new smartphone will change according to the function p= 900-4t^2, where t is the number of months since jan. which expression gives the month t in terms of the price p?

    asked by Destiny
  46. physics!!!

    Two capacitors, C1 = 27.0 µF and C2 = 35.0 µF, are connected in series, and a 21.0 V battery is connected across them. (a) Find the equivalent capacitance, and the energy contained in this equivalent capacitor. equivalent capacitance= µF total energy

    asked by Help
  47. economics

    Suppose that the free market labour supply and labour demand equations are given by Qs = 5W and Qd = 30 - 5W. If the minimum wage were set at $2.50 an hour, how many people would not be able to find work?

    asked by Ricky
  48. economics

    An economist for a bicycle company predicts that, other things equal, a rise in consumer incomes will increase the demand for bicycles. This prediction is based on the assumption that:

    asked by Ricky
  49. physics

    Mary walked north from her home to Sheila's home, which is 4.0 kilometers away. Then she turned right and walked another 3.0 kilometers to the supermarket, which is 5.0 kilometers from her own home. She walked the total distance in 1.5 hours. What were her

    asked by Nakiya
  50. english

    What public health issue starts the escalation of misery in "top of the food chain"?

    asked by Theo
  51. CHEM

    For the equilibrium reaction Co(g)+H2O(g)CO2(g)+H2(g) the Keq value at 690°C is 10.0. A mixture of 0.300 mol of CO, 0.300 mol of H2O, 0.500 mol of CO2 and 0.500 mol of H2 is placed in a 1.0 L flask. a) Write the Keq expression for this reaction and use

    asked by AMI
  52. Public Health

    Your community leaders have noticed an increase in positive STD test reports from the CDC. The nearest health department is more than 30 miles from your community. How might a community become involved in making public health interventions more effective

    asked by Jennifer
  53. Public Health

    In the state of California everyone is provided free healthcare. Research and analyze the affects of social support for public health. Has this program been successful? Evaluate some of the positive and negative aspects of socially supported programs and

    asked by Jennifer
  54. Science

    Can u help me find a picture of a sea sponge budding ?

    asked by Annie
  55. Organic Chemsitry

    By knowing the natural abundance of minor isotopes, it's possible to calculate the relative heights of M+ and M+1 peaks. If natural abundances are 12C - 98.9% and 13C - 1.10%, what are the relative heights, to the nearest 0.1%, of the M+ and M+1 peaks in

    asked by Bobby
  56. physics

    If instead, the swimmer makes 30.5 laps in the same pool in 3 h, determine the total distance the swimmer traveled, the swimmer's total displacement, the swimmer's average velocity, and the swimmer's average speed. pool is 30 m long please answer in km

    asked by lauren
  57. physics

    If instead, the swimmer makes 30.5 laps in the same pool in 3 h, determine the total distance the swimmer traveled, the swimmer's total displacement, the swimmer's average velocity, and the swimmer's average speed. pool is 30 m long please answer in km

    asked by lauren
  58. Trigonometry

    Find the remaining trigonometric ratios of θ if sin(θ) is given and θ QI sin(θ)=7/sqrt 149 cos= tan= cot= csc= sec=

    asked by JAMES
  59. english

    It is the neighbor who believes that good fences make good neighbors, not the speaker. true false

    asked by Lexi
  60. english

    The majority of Robert Frost’s poems concern life in the city. true false i think its true

    asked by Lexi
  61. algebra

    ) Suppose a market research company finds that at a price of p = $30, they would sell x = 42 tiles each month. If they lower the price to p = $20, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find

    asked by Anonymous
  62. physic

    Calculate the mass (in SI units) of a 150 lb human being. m= (correct unit) Calculate the weight (in English units of a 2000 kg rhinoceros.

    asked by sam
  63. English

    Example 1...(Many people use bamboo screens) that roll up and down. Is the part in parentheses a subordinate clause?

    asked by Lexi
  64. social studies

    During the age of imperialism, European nations genuinely believed that their civilization was superior to those of Africa and Asia. Their goal was to bring the benefits of their civilization to the indigenous people in these areas. However, people in

    asked by anonymous
  65. algebra

    factoring quadratics cubed. 54x^3-15x^2-6x

    asked by Jmzee Smith
  66. physics

    Two point charges, the first with a charge of +3.04×10−6 C and the second with a charge of -4.63×10−6 C , are separated by 22.5 cm. Find the magnitude of the electrostatic force experienced by the positive charge. Is the magnitude of the force

    asked by jazz
  67. physics

    An object with a charge of -4.5 micro C and a mass of 1.1×10−2 kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to its weight. A) Find the magnitude of the electric field. B)Find the direction of the electric

    asked by jazz
  68. physics

    The electric field at the point x = 5.00cm and y = 0 points in the positive x direction with a magnitude of 10.0 N/C. At the point x = 10.0cm and y = 0 the electric field points in the positive x direction with a magnitude of 16.0 N/C. Assume this electric

    asked by jazz
  69. physics

    A jetliner, traveling northward, is landing with a speed of 65.7 m/s. Once the jet touches down, it has 817 m of runway in which to reduce its speed to 5.93 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take

    asked by Candy
  70. American Sign Language

    i need your help on my homework i need to check grammar and spelling in my American Sign language Paper can you help me with it.

    asked by LOLA
  71. physics

    A uniform electric field of magnitude 2.80×10 ^4 N/C makes an angle of 37 degrees with a plane surface of area 1.40×10−2 m^2. A)What is the electric flux through this surface? N * m^2/C

    asked by jazz
  72. Math

    Reno, Nevada and Salt Lake City, Utah are about 400 miles apart today. Yet 15 million years ago they were only 250 miles apart. The continental crust is being stretched by plate tectonic forces. How many inches per year do the two cities move away from

    asked by B
  73. chemistry

    Gas X has a mass of 28.02 amu and gas Y has a mass of 32 amu. Which gas will diffuse faster?

    asked by Anonymous
  74. Precalculus

    Which of the following is a solution for the equation 1/485tan^2x = 0? a) pi b) pi/2 c) 485pi d) no solution Which of the following is NOT a solution to the equation 4sin^2x = 1 for 0≤x≤2pi? a) 30 degrees b) 210 degrees c) 150 degrees d) 120 degrees?

    asked by Melissa
  75. Physics

    What is the magnitude of the electric field at a point midway between a -5.1 microC and a +6.1 microC charge 10cm apart? Assume no other charges are nearby. What is the direction of the electric field?

    asked by Mike
  76. Medical Terminology

    Proofread for Capitalization and Punctuation errors. Carina was inspected at that time, which appeared sharp with no mucosal lesions noted. A 2% lidocaine was instilled over the carina. Right main stem bronchus was inspected next. Opening to the right

    asked by Cindy
  77. alegebra

    find the area when b=15 m (metera) and h=20m

    asked by colorado college
  78. Medical Terminology

    PROCEDURE: The patient was prepped and draped in the usual sterile fashion. Examination of the vocal cords in a sitting position revealed a polypoid growth in front of the left false vocal cord with erythematous base and yellow- colored tip. Vocal cord

    asked by Cindy
  79. hospitality

    why and when you whip eggs?

    asked by miranda
  80. Social studies

    Make a help wanted ad, regarding the life on galleon 1500. Assume you are a Spanish Galleon.

    asked by Karli
  81. statistics

    What is the probability that the following system works if each unit fails independently with probability p? ____o_____o_____ | | _______o________ | | ____o_____o_____ Note: In the above circuit "o" represents 5 relays in the circuit with propability p

    asked by tina
  82. geometry

    Simplify the ratio: 48 ft. -------- 36 ft.

    asked by alex
  83. Physics

    A penny is dropped from rest from the top of a very tall building. Assuming the height of the building is 406 m and ignoring air resistance, find the speed with which the penny strikes the ground.

    asked by Candy
  84. TOm

    Hello, this is the last question that I can't seem to or be able to solve: 1. Jenny (75 kg) goes on a ski trip. She goes down a slope that's inclined at 15*. The drag coefficient of Jenny is 0.300, the surface of contact with air is 0.750 m^2 and the air

    asked by Physics
  85. Physics

    Wrote the name and subject bad in the other post, sry:: Hello, this is the last question that I can't seem to be able to solve: 1. Jenny (75 kg) goes on a ski trip. She goes down a slope that's inclined at 15*. The drag coefficient of Jenny is 0.300, the

    asked by Tom
  86. Business Finance

    Earl Miller plans to buy a boat for $19,500 with an interest charge of $2500. Earl figures he can afford a monthly payment of $650. If Earl has to pay 36 equal monthly payments, by how much can he afford the boat per month?

    asked by Terry
  87. psychology

    what school of thought would best describe rioting behavior after a large sporting event

    asked by Heather
  88. Comm 100

    Amanda sits in the seat right next to another person in a movie theater full of empty seats. The other person gets up and moves to another row. According to the expectancy violations model, the other person responded to Amanda's behavior by ________.

    asked by Amanda
  89. physics

    A typical lightning bolt has about 10.0C of charge. How many excess electrons are in a typical lightning bolt?

    asked by Keilah
  90. calculus

    The question I'm having problems with is If f(x)=3x^2+7x+2, find f'(4) , using the definition of derivative.f'(4) is the limit as x--> ________ of the expression __________________. The value of this limit is _________________. I've got the first part that

    asked by Ron
  91. trigonometry

    refer to the graph of y=sin(x) or cos(x) to find the exact values of (x) in the interval [0,4pi]that satisfy the equation. 4sin(x)=4

    asked by esperanza
  92. Math

    How do I set this up and solve it? Tom has a collection of 30 CDs and Nita has a collection of 15 CDs. Tom is adding 1 CD a month to his collection while Nita is adding 4 CDs a month to her collection. Find the number of months after which they will have

    asked by Mary
  93. 242

    Carlos enters 10 into a function machine and gets 8. Then he enters 15 into the machine and gets 9. What rule does the function machine use when a number is entered into it?

    asked by 15
  94. Chemistry

    assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that freezes at -14.5 C? The freezing point for pure water is 0.0 C and is equal to 1.86 C/m .

    asked by Colin
  95. Math

    How do I factor this: x^6-124x^3-125

    asked by Liz
  96. math problem solving

    Alana has 7 children and brought a $9.95 shirt for each of them. The cashier charged her an additional $13.07 in sales tax. She left the store with $7.28. How much money did Alana start with?

    asked by jack
  97. TRIG

    Find the remaining trigonometric ratios of θ if sin(θ) is given and θ QI sin(θ)=7/sqrt 149 cos= tan= cot= csc= sec=

    asked by thomas
  98. physics-E&M

    An infinite line charge of uniform linear charge density lambda = -2.5 micro Coulombs lies parallel to the y axis at x = 0 m. A point charge of 3.5 micro Coulombs is located at x = 2.5 m, y = 3.5 m. Find the x- and y-components of the electric field at x =

    asked by aaron b.
  99. math

    jen and heather went to lunch. when the bill came, jen discovered she had only$6. luckily, heather had enough money to pay the other part, or three fifths. how much did heather pay? how much was the bill?

    asked by fatama
  100. math

    Factor the given expression. a) 6y^2 − 53y − 9 b) Set the expression equal to zero and solve for y. y= (smaller value) y= (larger value)

    asked by Rachel
  101. algebra

    a cannonaball is fired stright up into the air at a speed of 80 ft/sec from a height of 2ft. A. when will the cannon ball be 98 ft in the air? B. when will the cannonball hit the ground?

    asked by poi
  102. chemistry

    Suppose you dump a 5-lb sack of sugar into Bellingham Bay. Assume the sugar disperses uniformly throughout all of the world’s oceans. Estimate how many molecules of sucrose would be found in each liter of sea water.

    asked by ana
  103. Physics

    A 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. Find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earth’s velocity. Earth’s mass is 6.0 × 1024 kg. Show

    asked by Pat
  104. Trig

    tan(θ) = a (a ≠ 0), find cot(θ).

    asked by Jimmy
  105. English

    I don't know exactly how to express these concepts. I urgently need to express them in English. Please, help me! 1) Tomorrow I will tell both our French and German partners that your school is going to cooperate with us on the project. 2) We have agreed on

    asked by Henry2
  106. CHEMISTRY

    Suppose you dump a 5-lb sack of sugar into Bellingham Bay. Assume the sugar disperses uniformly throughout all of the world’s oceans. Estimate how many molecules of sucrose would be found in each liter of sea water.

    asked by ana
  107. math

    If sin(θ) = -1/√2, find sin2(θ). (Recall that sin2(θ) means (sin(θ))2.) sin2(θ) =

    asked by Jimmy
  108. math

    i am a number between 20 and 30. when you put me into 6 equal groups, there is an even number in each group

    asked by zitlaly
  109. Math (11)

    The sum of the first 16 terms of an arithmetic sequence is 23 times the sum of the first 4 terms. Find the 10th term of the sequence if the first term is 2

    asked by Inder
  110. trig

    What are the coordinates of the terminal point determined by t=7pi/6 ?

    asked by BreAnne
  111. trig

    Sketch a unit circle and label the terminal points corresponding to t= pi/4, 3pi/4, 5pi/4, 7pi/4. Include the coordinates of each point

    asked by BreAnne
  112. trig

    What is cos(11pi/3)? Explain your thinking. What is sin(13pi/4) ? Explain your thinking.

    asked by BreAnne
  113. English

    Thank you very much! Here are the last sentences I need you to check. 1) Could you also email (to my school) a short presentation of your school, explaining which scientific subjects your students learn and if they learn them in English? 2) (I need to

    asked by Henry2
  114. Physics

    Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction independently of the frame’s rotation, tends to maintain its axis pointed in the same direction in space.

    asked by Pat
  115. Physics

    A 44 kg child jumps off a 2.2 kg skateboard that was moving at 8.0 m/s. The skateboard comes to a stop as a result. Find the speed at which the child jumped from the board. Show all your work. Assume a frictionless, closed system.

    asked by Pat
  116. math

    try writing tour own equal-groups riddle

    asked by zitlaly
  117. English

    Sentence 3 was incomplete. Can you please help me to express it better? Thank you 3) The final product of our research will be both a DVD and a film. The French school has the instruments (?) to make a film out of our common experiences. (The students will

    asked by Henry2
  118. American History

    In 1700, which of the following colonies had the largest slave population relative to its overall population

    asked by Anonymous
  119. finance

    Assume investors expect a 2.0% real rate of return over the next year. If inflation is expected to be 5.0%, what is the expected nominal rate dor one year US Treasury security?

    asked by fran taylor
  120. finance

    A thirty year US Treasury bond has a 4.0% interest rate.In contrast a ten year treasury bond has an interest rate of 3.7%. If inflation is expected to average 1.5% points over both the next ten years and thirty years, determine the maturity risk premium

    asked by fran taylor
  121. English

    Here are the last sentences. Thank you very much. 1) Ten students and two teachers (from each of the four schools) will take part in the mobilities of this two-year project. 2) The teachers and the students involved will be chosen by each school

    asked by Henry2
  122. finance

    You are considering an investment in a one year government debt security with a yeild od 5% or a highly liquid corporate debt security with a yeild of 6.5%. The expected inflation rate for the next year is expected to be 2.5%. A. what would be your real

    asked by fran taylor
  123. finance

    A treasury note with a maturity of four years carries a nominal rate of interest of 10%. In contrast, an eight year treasury bond has a yeild of 8%. A. If inflation is expected to average 7% over the first four years,what is the expected real rate of

    asked by fran taylor
  124. English

    Writeacher, this is my last doubt! As I couldn't find anything on the objectives of a project on the biodiversity of water in English I'll have to refer to these objectives which refer to soil. Do you think you can help me? The topic must be water (rivers,

    asked by Henry2
  125. English

    I left out a sentence, too. Thank you very, very much 1) In particular, your school would analyze the water in your local area (the results of which will then be exchanged through an E-twinning platform set up by the German schoool) and you would also help

    asked by Henry2
  126. physics E&M

    I posted a question on here earlier but I wasn't able to solve from what the person had told me. An infinite line charge of uniform linear charge density lambda = -2.5 micro Coulombs lies parallel to the y axis at x = 0 m. A point charge of 3.5 micro

    asked by aaron b. (again sorry)
  127. Math, Algebra I

    A Parent sets up a bank account with $4000. The bank pays 8% interest. The Parent will put in $3000 every year till the child turns 18. I need the equation.

    asked by Yun
  128. Precalculus

    Consider the equation 7sin^2x - (4sin2^x)/cosx = -1 a) Put the equation in standard quadratic trig equation form. Why is it 7sin^2x - 8sinx + 1 =0?

    asked by Melissa
  129. Advanced Biochemistry

    Cryotosporidium pervum sporozoites are prolate spheres approximately 4 um long and 1 um wide. The average density of the cell is 1.28 g/mL. Approximately 7% of the wet weight of the organism is soluble protein. Estimate the number of molecules of a

    asked by Remy
  130. business

    which statement presents a negative element in a positive way? the part cant be replaced at no charge only if your unit is less two years old. if your unit is too old,you will have to pay 49$ for a replacement part. we cannot replace the part for free on

    asked by gail
  131. math 242

    It is estimated that the demand for a manufacturer's product is increasing exponentially at an instantaneous rate of 7% per year. If the current demand is increasing by 7000 units per year and if the price remains fixed at $100 per unit, how much revenue

    asked by tim
  132. Film Literature

    What was the first comedy movie ever made?

    asked by Allie
  133. human services

    How is test-retest reliability used in the human services research? Can you help me find the web sites that may have the information to answer this question.

    asked by Patiance
  134. Physics

    A 3.70kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.470. Determine the kinetic frictional force that acts on the box when (a) The elevator is stationary. (b) The

    asked by Sejul
  135. calculus

    Find area of the region under the curve y = 5 x^3 - 9 and above the x-axis, for 3¡Ü x ¡Ü 6. area = ??

    asked by tim
  136. Math

    Determine the exact value of cos 465 degrees a) √3 + √2/2 b) √2 + √3√2/4 c)√2 - √3√2/4 d)2+√2-√3√2/4

    asked by Jake
  137. math

    what is the length of a diagonal of a square whose side measures 6cm.?

    asked by Randy
  138. math

    the absolute value of an integer is always greater than the integer. True or False?

    asked by Randy
  139. Algebra

    the length of a rectangle is x inches and its width is 4 inches more than two thirds of its length. What is the perimeter of the rectangle in inches?

    asked by May
  140. science

    How can you predict if a block of plastic will float in water? I know it has something to do with density but not sure. Thanks..

    asked by Brandi
  141. math

    what is the length of a diagonal of a square whose side measures 6cm.?

    asked by Randy
  142. sociology

    what is the obstruction that terrorism places on the pursuit of peace and what approaches to peace are deterred by terrorism

    asked by Stacy
  143. History

    What is the function of the Articles of the Constitution?

    asked by Jane
  144. History

    The Bill of rights was ratifid by what fraction of all state legislatures?

    asked by Jane
  145. History

    How does most state constitutions differ from the US Constitution?

    asked by Jane
  146. Physics

    An object has a weight of 0.838 N. It is suspended from a scale, which reads 0.705 N when the piece is submerged in water. What are the volume and density of the piece of metal?

    asked by Tor
  147. geometry

    if I want a ramp with a 30 foot length, and a 5 percent up grade starting at 0, how high will the tall end be?

    asked by randy
  148. Physics Help!

    A 220 uF capacitor with a 10% tolerance rating is charged. The voltage across the capacitor is measured to be 110 +/- 5.5 volt. Calculate the electrical charge stored in the capacitor. Estimate the error in the charge by propagating the uncertainty in the

    asked by Mary
  149. math

    the length of a rectangle is x inches and its width is 4 inches more than two thirds of its length. What is the perimeter of the rectangle in inches?

    asked by needhelpplease
  150. Physics

    A technician performs an experiment on a glass slap and finds that the critical angle for total internal reflection at the glass (refractive index n1) air (refractive index n2 = 1) interface is 43 +/- 2 deg. Find n1 and the associated error.

    asked by Lewis
  151. PHYSICS

    The Victoria Falls is the tallest waterfall on Earth measuring 108 meters at its highest point. How long will it take for a single drop of water to fall over its edge into the chasm below?

    asked by MARTHA
  152. physics

    The angle between the polarizer transmission axis and the plane of polarization of the incoming light is 30 +/- 2 deg. If the incident light intensity Io is 100 W/cm2 what would be the intensity I after the light is transmitted through the polarizer? What

    asked by Melissa
  153. Calculus (Vector-Valued Functions)

    "a ball is thrown horizontally from the top of a cliff 256 ft high with an intial speed of 50 ft/sec. find the time of flight of the ball and the distance from thr base of the cliff to the point where the ball lands"

    asked by TheThinker
  154. Algebra

    Solve: 27/t-7=t+7/3

    asked by Anonymous
  155. Physics

    A 784 Newton astronaunt travels to Neptune's largest moon, Triton, with a simple bathroom scale. While standing on the surface of the moon, he finds that he now weighs only 62 Newtons. What is g, acceleration due to gravity, on Triton?

    asked by Tracy
  156. business

    which of the following would not be an informative or positive message? summary, procedures manual, transmittal, and direct request

    asked by gail
  157. algebra

    Find the equation using a slope-intercept form if possible.. x-intercept −1, y-intercept −2 I do not know how to start this.. HELP!

    asked by sarah
  158. math

    A rectangular parking lot is to be constructed on land bordered on one side by an alley. There is 360 ft of fencing to use along the other three sides. What should be the dimensions of the lot if the enclosed area is to be maximum?

    asked by mike
  159. Physics

    A room measures 4.0 m by 3.9 m by 4.5 m. The heating and air-conditioning ducts to and from the room are circular with diameter 0.37 m and all the air in the room is to be exchanged every 14 min. (a) What is the average flow rate? m3/s (b) What is the

    asked by Marisca
  160. math

    Find the Range of the following relation y=a^2x-ax^2, x≥1/2a, a

    asked by Samuel
  161. english / compare & contrast essay

    Hey guys!! I was hoping someone could critique/view/edit me essay for me? :) It's a compare and contrast essay on Mother Tongue by Amy Tan, and How to Tame a Wild Tongue by Gloria Anzaldúa. I'm a hs junior but i'm also taking college english~critical

    asked by Amy