1. Archives
  2. 2013
  3. November

Questions Asked on
November 7, 2013

  1. science help plzzz

    Multiple Choice 1. Which of the following images shows a living organism interacting with a biotic factor in its environment? (1 point) bird drinking water koala eating leaves plant in the Earth whale in the ocean 2. Which of the following shows the

    asked by josh

  2. science

    which of the following is the best course of action when it comes to using natural resources

    asked by jose

  3. Math help please

    1. The ordered pairs (1, 1), (2, 8), (3, 27), (4, 64), and (5,125) represent a function. What is a rule that represents this function? Y = x Y = 4x Y = x^2 Y = x^3 I don't know how to solve this please help!

    asked by Charlotte

  4. Science

    A population of oak trees growing in a region in Canada experiences a change in climate to much colder temperatures and much drier conditions than they have had for many decades. What determines how this population will change in the next few years? traits

    asked by Anonymous

  5. chemistry

    HI(aq)+KOH(aq)→H2O(l)+KI(aq) express this as a complete ionic equation

    asked by Anonymous

  7. physics

    If motor M exerts a force of F=(10t2+100)N on the cable, where t is in seconds, determine the velocity of the 25kg crate when t=4s . The coefficients of static and kinetic friction between the crate and the plane are μs=0.3 and 0.25 μk=0.25 . The crate

    asked by Gloria

  8. Introduction to computers

    Your boss is considering a BYOD program for your company. He asks you if there are any negatives to such a program. What do you tell him? A. It limits the freedom of the user to access websites and applications. B. It introduces security and control

    asked by Lisette

  9. Introduction to computers

    Which of the selections below is not a benefit of imaging the computers on your network? A. It saves the time of having to install the required computer applications. B. It saves the time of having to install the desired operating system. C. There are

    asked by Lisette

  10. statistics

    Assume that women's heights are normally distributed with a mean given by u=64.6 in and a standard deviation given by 0=2.8in. a) If 1 woman is randomly selected, find the probability that her height is less than 65in. b) If 49 women are randomly selected,

    asked by angela

  11. Science

    A population of oak trees growing in a region in Canada experiences a change in climate to much colder temperatures and much drier conditions than they have had for many decades. What determines how this population will change in the next few years? traits

    asked by Anonymous

  12. Science

    A population of oak trees growing in a region in Canada experiences a change in climate to much colder temperatures and much drier conditions than they have had for many decades. What determines how this population will change in the next few years? traits

    asked by Anonymous

  13. Math

    You place a mirror on the ground 6 feet from the lamppost. you move back 3 feet and see the top of the lamppost in the mirror. What is the height of the lamppost?

    asked by Liz

  14. chemistry

    1) What is the chemical formula for the compound formed between thallium(iii) and bromine? 2) What is the chemical formula for the compound formed between thallium(iii) and sulfur? HINT!: each compound wil be neutral. What is the charge of the

    asked by Alex

  15. Algebra

    1.The ratio of nickels to dimes to quarters in 3 : 8 : 1. If all the coins were dimes, the amount of money would be the same. Show that there are infinitely many solutions to this problem. 2.A grocer wants to make a mixture of three dried fruits. He

    asked by Summer

  16. Chemistry AP

    Each response gives a pair of solutions. Which pair of solutions should conduct electrical current equally well? 1. 0.10 M NH3 and 0.10 M NH4Cl 2. 0.10 M NaNO3 and 0.10 M HNO2 3. 0.10 M HBr and 0.10 M HF 4. 0.10 M NaCl and 0.10 M NaClO4 Please help... I

    asked by Zawng

  18. VERY URGENT MATH(Formalizing Relations & Functions

    What is the domain of the function below? {(0,2), (3,1), (5,2), (8,4)}? (1point) Is the following relation a function? {(0.3, 0.6), (0.4, 0.8), (0.3,0.7), (0.5,0.5)} (1point)

    asked by Gabby

  19. finance

    A self-employed person deposits $3,000 annually in a retirement account (called a Keogh account) that earns 8 percent. a. How much will be in the account when the individual retires at the age of 65 if the savings program starts when the person is age 40?

    asked by Anonymous

  20. English II

    Which of these sentences contains an oxymoron? A. Mr. Keynes was a workaholic who found vacations to be about as relaxing as six rounds wrestling with an alligator. B. Despite his desire to travel during his week off, Mr. Keynes was unable to think of any

    asked by Laura

  21. calculus

    a spherical balloon filled with gas has a leak that permits the gas to escape at a rate of 1.5 cubic meters per minute. how fast is the surface area of the balloon shrinking when the radius is 4 meters?

    asked by james

  22. physics

    Expensive amplifier A is rated at 250 W, while the more modest amplifier B is rated at 45 W. (a) Estimate the sound level in decibels you would expect at a point 3.5 m from a loudspeaker connected in turn to each amp. (b) Will the expensive amp sound twice

    asked by emy

  23. physics

    Water is flowing down through the pipe shown in the drawing. Point A is 0.410 m higher than B. The speed of the water at A and B are vA = 5.00 m/s and vB = 3.80 m/s. Determine the difference PB - PA in pressures between B and A. The density of water is

    asked by john

  24. Progressive Era

    I'm doing a short project on the progressive era... can someone give me at least 5 topics I could talk about in my project, from the progressive era?

    asked by Gabby

  25. Grammar

    Read the following short excerpt of student writing. Use your vocabulary and grammar knowledge to determine which suggestions you would make to improve his or her grammar and word choice. I really thought she loved me but I discovered her grave betrayal

    asked by Laura

  26. Physics (angular motion)

    The blades of a fan running at low speed turn at 230rpm . When the fan is switched to high speed, the rotation rate increases uniformly to 370rpm in 5.80s . Part A What is the magnitude of the angular acceleration of the blades? Part B How many revolutions

    asked by George

  27. World History

    What impact did Emperor Constantine's establishment of the “New Rome” (Constantinople) have on the Roman Empire? A.The expense of building the new city impoverished the later Empire. B. The pope moved his headquarters from “Old Rome” to “New

    asked by Laura

  29. Revision

    Can you please give me advice and tips on revising for a formal English essay?

    asked by Anonymous

  30. History!!!!

    Please Please Please Check my answers!! 1. The leaders of the Virginia Company recruited more settlers and reorganized the colony. They allowed the new settlers to own land. Those settlers began to grow tobacco, a crop they learned about from the Indians.

    asked by Marie

  31. Math in Science

    A rock containing a newly discovered fossil is found to contain 5 mg of an unstable form of potassium and 5 mg of the stable element formed from its decay. If the half-life of the unstable form of potassium is 1.3 billion years, how old is the rock? What

    asked by Janey

  32. Solve two way subtraction

    Solve each problem in two ways. Use clear and concise notation in your solutions. 8,593-2,748

    asked by Kaliya

  33. English (PLEASE I NEED HELP)

    Read the following short excerpt of student writing. Use your vocabulary and grammar knowledge to determine which suggestions you would make to improve his or her grammar and word choice. I really thought she loved me but I discovered her grave betrayal

    asked by Laura

  34. chemistry

    You dissolved 450.0 g of sugar (C12H22O11) in 150 mL of water. The density of water is 1.00 g/mL a. calculate the molarity of the solution b. calculate the molality of the solution

    asked by June

  35. science

    when a weight of 100g is hung from the spring, its length is 9cm. when a weight of 150g is hung from it, its length is 11cm. what is the length of the spring when there is no weight hanging from it?

    asked by Anonymous

  36. 9th algebra

    1.Jeff can weed the garden in 4 h. His wife takes the same amount of time. After they worked for 1 hr, their son helped them finish in 1/2 h. H long would it have taken Rory by himself to weed the garden?

    asked by Summer

  37. Chemistry (Dr.Bob222)

    The half-life of P-32 is 14 days. How long after a sample is delivered can a laboratory wait to use a sample in an experiment if they need at least 10 percent of the original radioactivity? I need help on how to set up this problem. What is the general

    asked by K

  38. geometry

    Open that link please please help me with my assignments 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. find the area of triangle aef 2. equialateral triangle abc has an area of square root of 3 and

    asked by BARBIE LEE

  40. accounting

    a physical inventory on december 31 shows 2,000 units on hand. holliday sells the units for $12 each. the company has an effective tax rate of 20%. holliday uses the periodic inventory method. what is the difference in taxes if LIFO rather than fifo is

    asked by faye

  41. chemistry

    given 10.8 grams of substance y,if the substance absorbs 231 kilojoules of energy and the specfic heat of substance is 6.55 J/g*0C what is the heat change

    asked by Heather

  42. Math

    Please Check My Answer I don't know if they are right or wrong and if they are wrong can u give me the correct answers. ? Thanks PS: The answers are the * one's. 1) 2/3 = 12/x x= 18 x= 12 x= 36 x= 8 **************** 2) 6/11 = 84/x x= 40 ************** x=

    asked by sandy

  43. Math-Trigonometry

    Show that if x, y, and z are consecutive terms of an arithmetic sequence, and tan y is defined, then (sin x + sin y + sin z) / (cos x + cos y + cos z) = tan y. So I tried letting x = y-k (since x,y,z are consecutive terms of an arithmetic sequence), then

    asked by Sam

  44. Physics

    A hammer is accelerated at 13 rad/s^2 at a radiius of rotation of 1.5 m. the tangential hammer speed is 20 m/s. a)Determine the angular velocity of the hammer b)the magnitude of the radial component of its linear acceleration c)the magnitude of the

    asked by Judy

  45. math

    For 4.95 seconds , a particle moves in a straight line according to the position function: s(t) = e^t(5-t)-5 . a. when id the particle at rest ? when is particle moving forward ? b. Find the total distance traveled by the particle in intervals [0,1]

    asked by Anonymous

  46. travel and meeting planning

    role does the agenda play in a webinar a.it gives the attendees the information they need to access the webinar b.it introduces new policies and procedures to empployees c.it reminds the administrative professional what his or her duties are d.it lets all

    asked by susue

  47. math

    a student's 10 scores on 10-point class quizzes include a 6, a7, a4, five 9s, an 8, and a 10. The student claims that her average grade on quizze is 9 because most of her scores are 9s.

    asked by Anonymous

  48. English II

    Read the sentence below and answer the corresponding question. Despite their differences, my father and mother had an __________ divorce. Which word best completes the sentence? adjunct affluent amicable amorous

    asked by Laura

  49. Calculus!!!

    Find f. (Use C for the constant of the first antiderivative and D for the constant of the second antiderivative.) f ''(x) = 8 + x3 + x5

    asked by Sarah

  51. Physics

    A golf club is swung with an average angular acceleration of 1.7 rad/s^2. If thee time from start of the swing until the club hits the ball is .7 s, what is the angular velocity of the club when it strikes the ball?

    asked by Caitlin

  52. math

    Members of the Campus Roller Rink pay a yearly membership fee of $50 plus $5 each time they go skating. nonmembers pay $10 each time the go skating. How many times would both members and nonmembers have to go skating in a year in order to pay the same

    asked by jill

  53. English II

    from "EXTRICATING YOUNG GUSSIE" by P.G. Wodehouse She sprang it on me before breakfast. There in seven words you have a complete character sketch of my Aunt Agatha. I could go on indefinitely about brutality and lack of consideration. I merely say that she

    asked by Laura

  54. Physics Classical Mechanics

    A uniform stick of mass m and length l is suspended horizontally with end B at the edge of a table as shown in the diagram, and the other end A is originally held by hand. The hand at A is suddenly released. At the instant immediately after the release:

    asked by A

  55. Physics

    A student on a piano stool rotates freely with an angular speed of 2.85rev/s . The student holds a 1.10kg mass in each outstretched arm, 0.789m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two masses,

    asked by Patricia

  56. Physics Classical Mechanics

    A playground merry-go-round has a radius of R= 2 m and has a moment of inertia Icm= 9×103kg⋅m2 about a vertical axis passing through the center of mass. There is negligible friction about this axis. Two children each of mass m= 30kg are standing on

    asked by A

  57. Child development

    If a child and mother or child and father or just a teen was being abused what kind of resources would they look for? What are the resources? Would one be like the community center. Well that's if they offer support for child abuse or even domestic abuse.

    asked by Kathy

  58. English

    1. She likes to jump rope as a warm-up. 2. She likes to skip rope as a warm-up. 3. She likes jump rope as a warm-up. 4. She likes jump roping as a warm-up. 5. She likes skip rope as a warm-up. 6. She likes skip roping as a warm-up. (Which expressions are

    asked by rfvv

  59. English

    "Most people think of bamboo as a tree or a bush." Is the verb transitive or intransitive? I think I see from other posts it is transitive but why? Where is the direct object?

    asked by Eve

  60. math

    Bea can run 1/6 mile in 2 minutes. How long should it take her to run 2 miles?

    asked by anonymous

  62. BUSINESS MATH

    A worker is paid $9.80 per hour, with time and a half for any hours over 40 per week. If he works 44 hours in a week, what will be his gross pay amount

    asked by Anonymous

  63. Math

    What is a 2 step equation that equals 8 ?

    asked by K

  64. Physics

    he weight of the block in the drawing is 77.0 N. The coefficient of static friction between the block and the vertical wall is 0.490. (a) What minimum magnitude of the force is required to prevent the block from sliding down the wall? (Hint: The static

    asked by Samantha

  65. Quantitative Analysis

    To make meaningful causal inferences when conducting quantitative analyses, one must employ...? A. Dummy coding when using regression models B. Parametric methods of analysis robust in relationship to violation of basic assumptions C. T-Tests and Analysis

    asked by Stacie

  66. physics

    In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 4.9 m away. After a running start, he leaps at an angle of 17 ◦ with respect to the flat roof while traveling at a speed of 5.8 m/s. The

    asked by Anonymous

  67. English

    What attitudes toward Catholicism, the religion Donne abandoned, are apparent in his poetry?

    asked by Christopher

  68. statistics

    Assume that adults have IQ score that are normally distributed with a mean of 105 and a standard deviation 20. Find P, which is the IQ score separating the bottom 10% from the top 90%. Round to the nearest hundredth as needed.

    asked by angela

  69. Physics Classical Mechanics

    A solid disk 1 with radius R1 is spinning freely about a frictionless horizontal axle l at an angular speed ω initially. The axle l is perpendicular to disk 1, and goes through the center S of disk 1. The circumference of disk 1 is pushed against the

    asked by A

  70. science

    Hans stands at the rim of the grand canyon and yodels down to the bottom. He hears his yodel echo back from the canyon floor 5.20 seconds later. Assume that the speed of sound in air is 340.0m per second. How deep is the canyon? Hint: Note that the time is

    asked by jay

  71. Physics

    A high-speed test track for cars has a curved section — an arc of a circle of radius R = 3000 m. The curved section is banked at angle θ = 7 . 94 ◦ from the horizontal to help the cars to stay in the road while moving at high speeds. The acceleration

    asked by Jakoby

  73. Science

    How many grams are in 3CuCl2

    asked by Ryan

  74. MATH

    THE SCALE OF A MAP IS 0.5 IN :25MI THE ACTUAL distance between two cities is 725mi write a proportion that represents the relationship how far apart will the cities be on the map

    asked by ASTRID

  75. math

    Fourteen patients have the following LOS:1,4,4,2,5,16,3,3,1,6,4,5,7,and 2. Compute the mean, median, and mode

    asked by Anonymous

  76. biochemistry

    The following data describe the binding of oxygen to human myoglobin at 37oC. P02 (mm Hg) = 0.5 1 2 3 4 Theta = .161 .277 .434 .535 .605 P02 (mm Hg) = 6 8 12 20 Theta = .697 .754 .821 .885 From these data, estimate: a). P50 b) the fraction saturation of

    asked by nelly

  77. Biology!!!

    In humans, short fingers and widow's peak are dominant over long fingers and straight hairline. A heterozygote in both regards reproduces with a similar heterozygote in both regards reproduces with a similar heterozygote. What is the chance of any one

    asked by Iz

  78. Physics Classical Mechanics

    A physical pendulum consists of a disc of radius R and mass m fixed at the end of a rod of mass m and length l . (a) Find the period of the pendulum for small angles of oscillation. Express your answer in terms of m, R, l and acceleration due to gravity g

    asked by A

  79. Physics

    A block whose weight is 34.0 N rests on a horizontal table. A horizontal force of 27.2 N is applied to the block. The coefficients of static and kinetic friction are 0.600 and 0.472, respectively. Will the block move under the influence of the force, and,

    asked by Samantha

  80. Quantitative Analysis

    Analysis of Variance (ANOVA) results in the calculation of the F Statistic and interpretation of this statistic will inform you as to...? A. Which mean significantly differs from others B. Whether one or more of the means is significantly defferent from

    asked by Stacie

  81. Physics

    Calculate the force of gravitational attraction between two spheres of mass 10.1kg and 45.2 kg that are 38.5m apart.

    asked by Caitlin

  82. child development

    tyrone groups words with agent qualities as subjects and words with action qualities as verbs. he then merges these categories into sentences. tyrone is demonstrating?

    asked by carolyn

  84. travel and meeting planning

    how are most travel itineraries arranged A.alphabetically b.event by event c.day to day d.by contact person

    asked by susue

  85. algebra

    Find 2 consecutive integers, the smaller a perfect cube and larger a perfect square.

    asked by Marissa

  86. algebra

    can someone please explain "converting to slope-intercept form" to me please? i've watched countless videos on it and i don't understand how to do these problems. all i really need is an explained step-by-step on how to do these types of problems. all of

    asked by orpheus

  87. math

    When two variables are correlated, it means that one is the cause of the other.

    asked by Anonymous

  88. Statistics

    In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 1 to 10. The date follow: Number of Cups of Coffee 3,2,4,6,5,1,7,3 Stress Level 5,3,3,9,4,2,10,5 Calculate a

    asked by Nicole

  89. Chemistry

    An activationenergy of 2.0 eV is required to form a vacancy in a metal. At 800°C there is one vacancy for every 104 atoms. At what temperature will there be one vacancy for every 1000 atoms?

    asked by Antares

  90. Science

    it is now 8:59am but when the bell rings at 9:00am Suzete will be late for Science class. She must get from one side of school down three different hallways. She runs down the first a distance of 35.0 m at a speed of 3.50m/s. The second haallway is filled

    asked by Mary

  91. Physics

    A hockey player's arm and stick form a 1.6 m rigid segment. If the angular speed of the player's arm/stick is 1.2 rad/s, determine the resultant velocity of a motionless puck that is hit struck on if: a) the hockey player is stationary during the swing b)

    asked by Tori

  92. Fedora

    . If /home/jenny/draft and /home/alex/letter are links to the same file and the following sequence of events occurs, what will be the date in the opening of the letter? __________ a. Alex gives the command vim letter. b. Jenny gives the command vim draft.

    asked by Ron

  93. chemistry

    8.90 g of NH4Cl is added to 19.7 g of water. Calculate the molality of the solution

    asked by Anonymous

  95. math

    For 4.95 seconds , a particle moves in a straight line according to the position function: s(t) = e^t(5-t)-5 . a. when id the particle at rest ? when is particle moving forward ? b. Find the total distance traveled by the particle in intervals [0,1]

    asked by Anonymous

  96. math

    find the mean.variance.and standard deviation for the following data 6,12,6,8,10,8,12,8,14,16

    asked by ajaykumar

  97. english

    unscramble the words in the following sentence to write sensible sentences : underline common noun the was about One an West old outlaw film in.

    asked by andrew

  98. English (Ms.Sue)

    I am planning for a 1 hour mock exam (tomorrow) about two poems: -Dulce et Deocorum est (Wilfred Owen) -The Man He Killed (Thomas Hardy) My essay question is- what are the similarities and differenced on the two poems in which shows the theme conflict. Now

    asked by Anonymous

  99. Physics Classical Mechanics

    A pulley of mass mp , radius R , and moment of inertia about the center of mass Ic=12mpR2 , is suspended from a ceiling. The pulley rotates about a frictionless axle. An inextensible string of negligible mass is wrapped around the pulley and it does not

    asked by A

  100. Science - The Sun

    What is the true thickness of each of the sun's layers (core, radiation zone, convection zone, photosphere, chromosphere, and corona)? What is the age, composition, average density, period of rotation, distance from Earth, and source of energy from the

    asked by Help

  101. Health (Ms. Sue)

    Compare the BAC that represents the legal limit with the BAC at which driving is first impaired. A: While at a different range, these BAC are similar as they both possess effects upon the body and the mind. For example, the BAC of 0.08, which represents

    asked by Anonymous

  102. MATH

    vIRGINIA THREW A fRISBEE FOR A DISTANCE OF 138.56 M TO CAPTURE THE WOMEN'S RECORD. IF THE FRISBEE WAS THROWN HORIZONTALLY WITH A SPEED OF 13.0M/S HOW LON DID THE FRISBEE REMAIN ALOFT?

    asked by LIZA

  103. criminal justice

    Why might a paramilitary style raid be necessary when deadly force is required?

    asked by patiance

  104. Science

    How many grams are in 3CuCl2

    asked by Ryan

  106. Math

    you receive a $30 gift card to a shop that sells fruit smoothies for $3. if you graph an equation of the line that represents the money, y, remaining on the card after you buy x smoothies, what will the y- intercept be? will the line rise or fall from left

    asked by Janae

  107. Physics

    Consider two charges Q and q separated by a distance d . If the potential at the point p (which is in right side from both charges) is V=0 , we can conclude (one answer only): a)no net force would act on a test charge located at P . b)Q and q must be same

    asked by sio

  108. Huckleberry Finn

    Explain how the author created the character (characterization). Explain the theme of a piece of literature. Compare and contrast two pieces of literature. Write about one of the authors we have studied.

    asked by Selena

  109. Physics

    Calculate the force of gravitational attraction between two spheres of mass 10.1kg and 45.2 kg that are 38.5m apart.

    asked by Caitlin

  110. math

    If Julie bought 8 T-shirts, she would be short $28. If she bought 4 T-shirts and 3 baseball hats, she would have $17 left. If each hat cost $5, how much money did she have in the beginning

    asked by Please Help!!!

  111. science

    Will marbles move slower in dove or pantene shampoo?

    asked by nessa

  112. Math

    Please Check My Answer Please!!! Thanks :) 9/4 = ?/12 54 36 45 27********* 27/90 = 3/? 3 10 9********** 27 32/? = 20/25 37 16*********** 26 40

    asked by Dakota

  113. MATH

    Two students h and k appeared in an examination. The probability that h will qualify the exam is 0.05 and that the probability that k will qualify the examination is 0.21. The probibality that both will qualify the examination is 0.03 find the probibality

    asked by ajaykumar

  114. 4th grade math

    If A is less than B, B is 2 more than C and C is 3 less than D. How much more or less is A than D.

    asked by mythreyee

  115. math

    arrays with an expanded algorithm for 31*19

    asked by abel joshua mendez

  117. math

    . Cimarron Homes Inc. purchased a snow plow for $57,000 and financed the full amount for 5 years at an annual simple interest rate of 9%. a. Find the interest due on the loan. b. Find the monthly payment

    asked by danielle

  118. AP World History

    is Imperial Rome the same thing as Ancient Rome?

    asked by Samantha

  119. 4th grade math

    If A is 5 less than B, B is 2 more than C and C is 3 less than D. How much more or less is A than D.

    asked by mythreyee

  120. math

    a wire 36 meter long is cut into two pieces. each piece is bent to form a rectangle which is 1 cm longer than its width. How long should each piece be to minimize the sum of the areas of the two rectangle?

    asked by joemarie

  121. math

    If a car traveled 168 miles in 3.5 hours, what was the average rate of speed?

    asked by Ben

  122. Physics Classical Mechanics

    A rod is lying at rest on a perfectly smooth horizontal surface (no friction). We give rod a short impulse (a hit) perpendicular to the length direction of the rod at X. The mass of the rod is 3 kg, and its length is 50 cm. The impulse is 4 kg⋅m/sec. The

    asked by A

  123. math

    Your medical terminology instructor listed the following grades for the class out of a 75 – point test: 33, 34, 43, 45, 45, 54, 55, 59, 60, 62, 64, 66, 67, 68, 67, 68, 68, 69, 70, 70. find the 90th percentile

    asked by Anonymous

  124. Physics

    A baton twirler tosses a baton into the air with an initial angular velocity of 2 rev/s (revolutions per second). The baton undergoes a constant angular acceleration of -.015 rev/s^2 while in the air, and its angular velocity when she catches it is .8

    asked by Brian

  125. English Grammar

    Which sentence uses proper grammar? I'm bored by math class. Or I'm bored of math class.

    asked by Marcus

  126. Science

    Explain in one paragraph how does climate affect weathering ?

    asked by Anabelle

  128. physics

    A 301 kilogram piano is being lifted at a steady speed from ground level straight upward to an apartment 10.0 meters above the ground. The crane that is doing the lifting produces a steady power of 415 watts. How long does it take to lift the piano? I

    asked by Lupita

  129. math

    5/8a+6=3/4a 6=1/8a a=6/8 is this correct? thank you.

    asked by jill

  130. Chemistry Please :/

    When a metal was exposed to light at a frequency of 4.26× 1015 s–1, electrons were emitted with a kinetic energy of 4.50× 10–19 J. What is the maximum number of electrons that could be ejected from this metal by a burst of light (at some other

    asked by Chelsea

  131. Chemistry

    i need some chemical properties of the element arsenic.i have looked online and havent found any i have also looked in my book.

    asked by Anonymous

  132. world history

    list three environmental challenges facing the acient people of mesopotamia.

    asked by krystal

  133. world history

    what are city states?

    asked by krystal

  134. chemistry

    HELPPPP!!!! A mixture is prepared using equal masses of the two volatile liquids benzene, C6H6, and ethanol, C2H5OH. What is the mole fraction of benzene in this mixture?

    asked by Bobby

  135. MATHS

    A pie is cut into two equal parts. The first part of the pie is shared between Abdul and Kate. Kate has 3 times as much as Abdul. The second part of the pie is shared between Sarah and Ron. Ron has 3/5 as much as Sarah. The mass of Sarah's share of the pie

    asked by LARA

  136. english

    Many schools experience disruptive and anti-social behaviour, sometimes on a daily basis. Imagine that you attend the school at which Mrs Rodriguez is the Headteacher. Mrs Rodriguez has decided to tackle bad behaviour at your school. Recently there have

    asked by aditya

  137. geometry ratio

    5. find the ratio between the area of a square inscribed in a circle and an equilateral circumscribed about the same circle.

    asked by BARBIE LEE

  139. travel and meeting planning

    priceline and Travelocity are examples of a.credit cards b.travel agents c.airlines d.online travel web sites my answer is d

    asked by susue

  140. Math

    I'm trying to figure out the mode and modal class and the numbers that are the mode are 17, 20, 24, 25, 31, 33 from a set of numbers. (I already figured that part out). My question is what of those numbers is the modal class or in other words what is a

    asked by Anonymous

  141. algebra

    a fruit basket contains 10 mangoes, 8 bananas, and 2 oranges. If we picked 6 mangoes in 10 trials from the fruit basket, what would be the experimental probability?

    asked by Anonymous

  142. Math

    You draw nine cards from a standard deck of cards. What is the probability that a. four or more will be red, b. exactly two or three will be red, c. two or fewer will be red, and d. exactly five will be red?.

    asked by Mikos

  143. Math

    Evaluate the function when x= -3,0 and 2. f(x)=-x+4

    asked by Gayle

  144. 4th grade math

    Write the square numbers between 1 and 40. describe the patterns the square numbers make on the multiplication table

    asked by mythreyee

  145. math

    Last month, 10 patients between the ages of 11 and 13 were seen in their pediatrician's clinic. their height were recorded as 50, 56, 59,51,53,51,50,52,54,and 51 inches. Determine mean, median and mode.

    asked by Anonymous

  146. science

    what are good subtopics for an essay on gender differences in depression

    asked by letmewatchthis

  147. algebra

    Factoring trinomials with a=1 x^2-18x-40

    asked by jordan

  148. science

    can you please give me a link to a detailed essay on gender differences in depression. I need a guideline to work from

    asked by letmewatchthis

  150. Math

    Assume that the mean salary for a profession is $35,104 with a standard deviation of $3200. What percent of the profession earns less than $38,700? I don't understand how to do this. Please help!!

    asked by Kim

  151. Health (Ms. Sue)

    Compare the BAC that represents the legal limit with the BAC at which driving is first impaired.

    asked by Anonymous

  152. Law (Ms.Sue)

    Does the Human Rights Act imply to everyone internationally or just in the UK? What is an Identity Card in terms of the Law and in the current affairs?

    asked by Anonymous

  153. Physics Classical Mechanics

    A turntable is a uniform disc of mass m and radius R. The turntable is initially spinning clockwise when looked down on from above at a constant frequency f0. The motor is turned off at t=0 and the turntable slows to a stop in time t with constant angular

    asked by A

  154. math

    A traveler went 10 miles south, 7 miles east, 2 miles south, and 2 miles west. How many miles is the traveler from the start?

    asked by Alyssa

  155. Algebra 1

    Janella has only quarters dimes and pennies in her pocket thee are eight coins in all and their total value is 83 cents how many of each type of coins does Janella have?

    asked by Raman

  156. Physics Classical Mechanics

    A light inflexible cable is wrapped around a cylinder of mass m1 , radius R , and moment of inertia about the center of mass Ic . The cylinder rotates about its axis without friction. The cable does not slip on the cylinder when set in motion. The free end

    asked by A

  157. Physics Classical Mechanics

    A yo-yo of mass m rests on the floor (the static friction coefficient with the floor is μ). The inner (shaded) portion of the yo-yo has a radius R1, the two outer disks have radii R2. A string is wrapped around the inner part. Someone pulls on the string

    asked by A

  158. Physics

    Piston Circle 1 in the figure below has a diameter of 0.29 in.; Piston Circle 2 has a diameter of 1.7 in. In the absence of friction, determine the force vector F necessary to support the 500-lb weight.

    asked by Jackie

  159. chemistry

    hich proton gave rise to the peak that appears at 9.31 ppm on the 1H NMR?

    asked by Andi

  161. 6th grade math

    Can you check this,please? 10−��^0+5(9−��) Ans: 10-x^0+ 45-5x = 10 - 1 + 45 - 5x = 9 + 45 - 5x = 54 - 5x OR 10−��^0+5(9−��) = 10 - x +45-5x = 55-6x?

    asked by Alex

  162. Math

    How do you write this equation in standard form? F=-0.04m+12

    asked by Anonymous

  163. math

    Your medical terminology instructor listed the following grades for the class out of a 75-point test: 33, 34, 43, 45, 45, 54, 55, 59, 60, 62, 64, 66, 67, 68, 67, 68, 68, 69, 70, 70 Your score was 59, what is your percentile?

    asked by Anonymous

  164. Criminal Justice

    rom a laboratory examination of firearms, all of the following questions can be answered EXCEPT which one? A. Was the firearm legally purchased? B. What size shot was used? C. Was the cartridge case fired from the examined weapon? D. Was a particular

    asked by Amy

  165. Emergency math help!!!

    How do you write these two equations in standard form? F=-.04m+12 F=-.08m+12

    asked by Anonymous

  166. English (Ms.Sue)

    I am planning for a 1 hour mock exam (tomorrow) about two poems: -Dulce et Deocorum est (Wilfred Owen) -The Man He Killed (Thomas Hardy) My essay question is- what are the similarities and differenced on the two poems in which shows the theme conflict. Now

    asked by Anonymous

  167. Law (Ms.Sue)

    Does the Human Rights Act imply to everyone internationally or just in the UK? What is an Identity Card in terms of the Law and in the current affairs?

    asked by Anonymous

  168. Chemistry

    I know that this is an off topic question, but I need you to respond to this.... I received barely an A in my chemistry class, and my teacher gave me a 2/25 on an assignment... Although I got that grade, I still have an A.. I asked my teacher why and she

    asked by Anonymous

  169. math

    How do i convert 7 2/5 into a decimal

    asked by abigail

  170. Math

    Need help on the question below. A pool has a diameter of 12 ft. There is a sidewalk that extends 3 ft out from the side of the pool. How many feet of fencing will be needed to go around the sidewalk? Thanks...

    asked by Brandi

  172. Chemistry

    I know that this is an off topic question, but I need you to respond to this.... I received barely an A in my chemistry class, and my teacher gave me a 2/25 on an assignment... Although I got that grade, I still have an A.. I asked my teacher why and she

    asked by Anonymous

  173. home economics

    whats a detail of rights and respomsabilites

    asked by Anonymous

  174. American Government

    Legislation whose tangible benefits are targeted solely at a particular legislator's

    asked by Liz

  175. Science

    i need detailed chemical properties for the element arsenic. i looked on the websites online and i looked in my text book

    asked by Anonymous

  176. math

    If Julie bought 8 T-shirts, she would be short $28. If she bought 4 T-shirts and 3 baseball hats, she would have $17 left. If each hat cost $5, how much money did she have in the beginning?

    asked by jade

  177. Social Studies (History)

    Could you please explain what a strike is and what strikes were like during the Gilded Age in the United States.

    asked by Nicole

  178. Math

    It's a NUMBER? It is divisible by 3 but not by 9 or 15. It is not an even number and it is less than 90. The sum of it is 12 and it could be the Product of 27..... What NUMBER??

    asked by Jeff

  179. Physics

    A soccer ball iskicked with an intial horizontal speed of 6 m/s and initial vertical speed of 3.5 m/s. Assume that the projection and landing height are the same, and neglect air resistance. Calculate the following a) the ball's projection speed and angle

    asked by Crystal

  180. accounting

    a physical inventory on december 31 shows 2,000 units on hand. holliday sells the units for $12 each. the company has an effective tax rate of 20%. holliday uses the periodic inventory method. what is the difference in taxes if LIFO rather than fifo is

    asked by faye

  181. Social Studies (History)

    Why did strikes fail to result in improved working conditions for laborers?

    asked by Nicole

  183. Science

    Is Tn and Co an element or a compound?

    asked by Jenny

  184. Chemistry

    What would happen if too much refrigerent was present in the system(refrigerator)? Too little? HELP!!! I'm doing a C^3 assignment for chem and its due tomorrow can someone help me please!

    asked by K- High Anonymous

  185. Math

    3/4x^2 x 2x^2y x 23xy^3

    asked by Albert

  186. Chemistry

    What would happen if too much refrigerent was present in the system(refrigerator)? Too little? HELP!!! I'm doing a C^3 assignment for chem and its due tomorrow can someone help me please!

    asked by K- High Anonymous

  187. account

    at what rate of interest per annum,the amount of 10000 will be doubled in 5 years,interest being compounded quarterly

    asked by ajaykumar

  188. algebra

    (-x)(x²)=

    asked by steve

  189. Social Studies (History)

    Why did the unfavorable working conditions exist during the Gilded Age in America? Please list 3 underlying factors (explanations)

    asked by Nicole

  190. Chemistry

    What would happen if too much refrigerent was present in the system(refrigerator)? Too little? HELP!!! I'm doing a C^3 assignment for chem and its due tomorrow can someone help me please!

    asked by K- High Anonymous

  191. English

    For english i'm doing facts about mark twain and if i put " Around all of the facts, is it still plagiarism?

    asked by Selena

  192. Physics 11

    Show that the minimum force required to pull a wheel if Radius R and mass M over a step of height h, given R> h when the force is applied at the top of the wheel is F = Mg sqrt(h/2R-h) Thank you so much

    asked by Raylene

  194. Statistics

    Using a 0.05 level of significance, test the hypothesis that the probability of the NCAA Division I basketball champion being from the Pac 10 is 20%. Repeat the test for the hypothesis that the probability the champion is UCLA is 20%. What do these results

    asked by Maria

  195. History

    How Mali Build 0n Ghana Empire

    asked by Albert

  196. Statistics

    I already found part A just need help with B! The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computer-science course. The results were as follows. (Give

    asked by Casey

  197. English!

    This is what i got so far but i need help with an opening paragraph and conclusion Mark twain used huck as narrator to see the innocent view of these difficult adult themes. in the eyes of a child, the morality of the situations he finds are much more

    asked by Selena

  198. Social Studies (History)

    What was one attempt to solve the problem with working conditions in the Gilded Age?

    asked by Nicole

  199. science

    how dose climate affect weathering

    asked by michaela

  200. algebra

    Suppose that you moved to a town in which all houses are dimensionally similar (look this up) and property taxes are calculated on a formula that considers the area of the lot (10 cents/ft^2), the size of street front ($2/ft), the volume of the house (50

    asked by Patrie

  201. math

    (A*x + B*x^2 + C)*(E*x + F)

    asked by Patrie

  202. math

    Julia's recipe for apple fritters makes eighteen fritters and uses half of a cup of milk. Julia wants to make six fritters. How much milk will she need?

    asked by anonymous

  203. grammar

    What parts of speech are the words "take possession" is this a verb phrase? Is take a "helping verb" here?

    asked by Elizabeth

  205. physics

    What is the distance between an object and its real image formed by a thin converging lens with focal length f = 14 cm, if the object distance is 60 cm? (b) What is the minimum object-image distance for a real image formed by that lens?

    asked by omar

  206. chemistry

    I am still having trouble with this question It says What is the molarity of a solution containing 18.0g of KCl in 262mL of KCl solution? When I calculated it I got .92154 m. I had changed 18 g into moles and 262 ml into liters and then divided the moles

    asked by chelsea

  207. math

    please help to solve tie exponential equation for x: 5^x=8

    asked by lisa

  208. Statistics

    You draw nine cards from a standard deck of cards. What is the probability that a. four or more will be red, b. exactly two or three will be red, c. two or fewer will be red, and d. exactly five will be red?.

    asked by Mikos

  209. Magic Thesis Statement

    Hi! I'm writing an essay about how women act according to male or female domination. Could you please look at my magic thesis and tell me if my why is well written. Thanks! By examining the gender context during Trujillo's regime, one can see that some

    asked by Serena

  210. physics

    water flow dowen a sloping pipe.the pipe tapers from 2m diameter at the top (A)to 1.4 diameter at the bottom (B)the volume flow rate is 23m/s. 1)calculate the velocities of the flow at points A and B. 2)if the end A is 12m higher than end B, and the

    asked by bani adam

  211. Social Studies (Histories)

    where was the Pullman Strike during the Gilded Age located? What was the issue? And what company/companies were involved? Please help!

    asked by Nicole

  212. travel and meeting planning

    when youre planning a convention,which one of the following steps would you complete first? a.forming the comittees b.writing the invitation c.selecting the site d.writing the program my answer is b

    asked by susue

  213. math

    Robert found an old record player at a garage sale. He bought it for $8.25 and was given eight long playing records for free. Robert presented his garage sale find to his father with a flourish. His father was delighted with the player. He said the old

    asked by anonymous

  214. Math

    X^2+16x+64 is the area of a square,find the length of each side of the square.

    asked by Kirandeep

  216. math iv

    When the directions include the words "0 < Theta < 90" what type of problem does that infer?

    asked by rob

  217. Child Develpoment

    What kind of experiences do you have as a child that will play a role in your development?

    asked by Lily

  218. Math

    The area of a rectangle is y^2 +6y-27. A) find length and width of the rectangle. B)find perimeter of this rectangle.

    asked by Kirandeep

  219. math

    at what rate of interest per annum,the amount of 10000 will be doubled in 5 years,interest being compounded quarterly

    asked by ajaykumar

  220. Math!

    0.375 < 0.4 Is this statement true?

    asked by Aurelia

  221. MATH

    Write down the following events as sets and also write the corresponding sample space.(1)an odd appears in a single toss of a fair die.(2)at least one head appears in two tosses of a fair coin.

    asked by ajaykumar

  222. finance

    compare business risk and financial risk

    asked by Willard Norman

  223. Math

    0 689 1 6778 2 00124455689 3 11233 4 5 01 Stem and leaf plot--How many students are in the smallest class? In the largest class?

    asked by Anonymous
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