Questions Asked on
October 18, 2011

  1. Chemistry

    If you have 320.0 mL of water at 25.00 °C and add 110.0 mL of water at 95.00 °C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.

    asked by Ryan
  2. Business English

    Selecting concrete words 22. we have found that young men are best for this work. 23. She makes good grades 24. John lost a fortune in Las Vegas. 25. if we don't receive the goods soon we will cancel. 26.some years ago she made good money 27. His grades on

    asked by efi
  3. chemistry

    If 45.3 grams of aluminum react with an excess of oxygen, as shown in the balanced chemical equation below, how many grams of aluminum oxide can be formed? 4Al + 3O2 2Al2O3

    asked by Anonymous
  4. Chemistry

    How many moles of gas must be forced into a 3.5 L ball to give it a gauge pressure of 9.4 psi at 25 degrees C? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.7 psi so that the total pressure in the ball is

    asked by Monique
  5. English

    Multiple Choice 1. Read the following passage from Edgar Allan Poe's "Annabel Lee": "It was many and many a year ago, In a kingdom by the sea, That a maiden there lived whom you may know By the name of Annabel Lee;– And this maiden she lived with no

    asked by Laci
  6. calculus

    Melting Snowball: A spherical snowball melts at a rate proportional to its surface area. Show that the rate of change of the radius is constant. (Hint: Surface Area =4(pi)r^2)

    asked by Eli
  7. math

    write a situation that can be represented by the algebraic expression $3.50t

    asked by Joshi
  8. Physics

    A ball of mass 0.4 kg, initially at rest, is kicked directly toward a fence from a point 20 m away, as shown below. The velocity of the ball as it leaves the kicker’s foot is 16 m/s at angle of 46◦ above the horizontal. The top of the fence is 4 m

    asked by Jem
  9. Chemistry

    Beginning with the ideal gas equation show how density of a vapor may be determined? I have so far: n = (PV)/(RT) d= m/V n= m/MW by rearranging i get d = P(m/MW)/RT

    asked by Heidi
  10. math

    The mass of a bag of sand was 2.95 kilograms when it was 2/3 full. When 1/6 of the sand was removed, the mass of the bag of sand became 2.325 kilograms. Find the mass of the empty bag in kilogrmas. Help!

    asked by Christian
  11. Statistics: Percentile Rank

    A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. A. What proportion of students

    asked by Joy Chapman
  12. Chemistry

    Consider a 0.80M solution of HCN. The Ka of HCN is 6.2x10-10. What are the major species in solution? Calculate the pH of this solution. ----------------------------------- Ok, so i took a break, came back, and finished the problem. I have an x value of

    asked by Kevin
  13. physics

    At 7.35 cents per kiloway hr, A. what does it cost to operate a 10.0 hp motor for 8.00 hr? B. What does it cost to leave a 75W light burning 24 hr a day?

    asked by Micah
  14. chemistry 2

    The volume of blood in the body of a certain deep-sea diver is 6.00L. Blood cells make up 55% of the blood volume, and the remaining 45% is the aqueous solution called plasma. What is the maximum volume of nitrogen measured at 1.00 atm and 37 degree

    asked by vel
  15. Chemistry Lab

    Suppose for the reaction of Cu(NO3)2 + NaOH, you have not added enough sodium hydroxide to precipitate all the copper as copper hydroxide Cu(OH)2. a)How could you tell that not all the copper had precipitated? b)what effect would this have on the final

    asked by Jessica
  16. science

    If solid copper sulfate is mixed with water,______ is formed. A. a mixture B. a solution C. a solvent D. both A and B

    asked by stephanie
  17. Math

    A person standing close to the edge on the top of a 160-foot building throws a baseball vertically upward. The quadratic function s(t) = -16t^2 +64t + 160 models the ball's height above the ground, s(t), in feet, t seconds after it was thrown. After how

    asked by Nicole
  18. Statistics: IQ Score (X) and Exam Score (Y)

    Assuming that the regression equation for the relationship between IQ score and psychology exam score is Y' = 9+ 0.274X, what would you expect the psychology exam scores to be for the following individuals given their IQ exam scores? Individual Tim Tom

    asked by Joy Chapman
  19. Calculus

    Use linear approximation or differentials to estimate the amount of paint in cubic centimeters needed to apply a coat of paint 0.010000cm thick to a hemispherical dome with a diameter of 75.000meters.

    asked by Tenylob
  20. Earth Science

    Near shore, larger sand and gravel particles are moved along the ocean bottom by ____. a. deposition b. turbulence c. spits d. density currents

    asked by Leigh
  21. Physics

    A baseball has a mass of .145 kilograms. A pitcher's fastball travels at 42 m/s. How much force is applied to the ball if the catcher stops the ball in .05 sec?

    asked by Yuki
  22. Math

    The secret number has a 7 in the ones place.The tens number is an odd number.

    asked by mary
  23. chemistry

    An unknown organic compound that contains carbon,hydrogen and oxygen undergoes a combustion analysis. What happen to the carbon atoms and hydrogen atoms in the compound,assuming that the combustion goes to completion?

    asked by Anonymous
  24. Business English

    Exercise Guideline:Assume that your readers are at about the 10th grade level in education. Revise these sentences for easy communication to this audience. 1. we must terminate all deficit financing. 2.we must endeavor to correct this problem by expediting

    asked by efi
  25. Business english

    Limiting use of Passive voice. 1. Our action is based on the assumption that the competition will be taken by surprise. 2. It is believed by the typical union member that his or her welfare is not considered to be important by management. 3. You were

    asked by efi
  26. social studies

    What were some of the problems the colonist faced in jamestown

    asked by rashawn
  27. physics

    Standing on a balcony, you throw your keys to a friend standing on the ground below. 1.2 seconds after you release the keys, they have an instantaneous velocity of 15.4 m/s, directed 60° below the horizontal. What initial velocity did you give them?

    asked by ali
  28. history

    Why did the Tokugawa shogunate keep Japan isolated from 1603 until 1853?

    asked by toneyaa
  29. Chemistry

    0.7g of an unknown mixture of NaHCO3 and Na2CO3 is mixed with 3mL of 12M HCl.what is the mass of NaHCO3 and Na2CO3 in the mixture of NaHCO3 and Na2CO3? Use these equations: NaHCO3+HCl--> NaCl+CO2+H2O Na2CO3+2HCl-->2NaCl+CO2+H2O mass of mixture= mass of

    asked by Deanna
  30. physics

    A 2200 kg car is travelling at 45 km per hour when its brakes are applied and it skids to a stop. If the coefficient of friction between the road and the tires is 0.70 how far does the car go before stopping?

    asked by tom
  31. physics

    A 2.5 wood block is pulled along a wood floor at a steady speed. A second wood block, with mass 3.5 , is attached to the first by a horizontal string. what is the magnitude of the force pulling on the first block

    asked by Hello
  32. physics

    One end of a cord is fixed and a small 0.300 kg object is attached to the other end, where it swings in a section of a vertical circle of radius 2.50 m as shown in the figure below. When è = 15.0°, the speed of the object is 6.20 m/s. At this instant,

    asked by carlton
  33. MATH (PLease HELp)

    Sally has three times as many dimes as nickels and twice as many quarters as dimes.In all she has $5.55. How many coins of each type does she have? Let 2x=quarters 3x=dimes x=nickles

    asked by Tiffany
  34. Chemistry

    A 3.000 gram sample of an unknown compound containing the elements carbon, hydrogen, and nitrogen is analyzed by combustion. The combustion releases 4.714 grams of carbon dioxide and 1.500 grams of nitrogen. If 25 molecules have a combined mass of 4.65 x

    asked by Mom
  35. trig

    A water-park slide covers 100 feet of horizontal space and is 36 feet high. A new replacement slide will create an angle with the water surface that measures twice that of the original slide. The new slide will use the same horizontal space as the old

    asked by Parker
  36. math help me please!!!!!!!!!!!!!!!!

    luke added 429+699+314 and got 950 is this sum reasonable?

    asked by esha
  37. Statistics: Calculate a Pearson's r

    In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their stress level on a scale of 1 to 10. The data are provided in the following table. Number of Cups of Coffee 3, 2, 4, 6, 5, 1, 7, 3, 2, 4

    asked by Joy Chapman
  38. trigonometry

    From port Ilocandia to Camp Airstrip a plane flies on a course of 285deg. If Camp Airstrip is 1525 km further north than Port Ilocandia, find the distance from Port Ilocandia to Camp Airstrip.

    asked by naik
  39. physics

    At the airport, you pull a 18 kg suitcase across the floor with a strap that is at an angle of 41° above the horizontal. Find the normal force and the tension in the strap, given that the suitcase moves with constant speed and that the coefficient of

    asked by Jessica
  40. Chemistry

    Consider a 0.80M solution of HCN. The Ka of HCN is 6.2x10-10. What are the major species in solution? Calculate the pH of this solution.

    asked by Kevin
  41. physics

    A 1,225-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 8,500-kg truck moving in the same direction at 20.0 m/s. The velocity of the car right after the collision is 18.0 m/s to the east. (a) What

    asked by Anonymous
  42. Math

    Mom served apple pie. John ate 1/2 of the pie. Thomas ate 1/4 of the pie. How much of the pie was eaten? How Much of the pie is left?

    asked by Kris
  43. Precalculus

    Solve 5x^3 – 6x^2 – 4x – 8 = 0

    asked by R
  44. physics

    What is the net force acting on a 25-N freely falling object? What is the net force when the object encounters 15N of air resistance? When it falls fast enough to encounter 25N of air resistance?

    asked by Rich
  45. spanish

    what me llamo vega juan es mi nombre y vegaes mi mean

    asked by Anonymous
  46. Math/Economics

    Suppose that a firm has only one variable input, labor, and firm output is zero when labor is zero. When the firm hires 6 workers it produces 90 units of output. Fixed cost of production are $6 and the variable cost per unit of labor is $10. The marginal

    asked by Bill
  47. physics

    An olympic diver springs forward off a 10 meter platform. He enters the water 8 meters beyond the edge of the platform. how much time does it spend in the air?

    asked by Charlotte
  48. Stats...is this correct??

    Scores on the Stanford-Binet Intelligence scale have a mean of 100 and a standard deviation of 16, and are presumed to be normally distributed. A person who scores 68 on this scale has what percentile rank within the population? z = (68-100)/16 z = -32/16

    asked by Jen
  49. Physics

    The flywheel of an old steam engine is a solid homogeneous metal disk of mass M = 120 kg and radius R = 80 cm. The engine rotates the wheel at 500 rpm. In an emergency, to bring the engine to a stop, the flywheel is disengaged from the engine and a brake

    asked by Temi
  50. math

    What is the average of 12,43,37,40 please

    asked by nick
  51. math

    RAMON PLANTED 3 ROWS OF SEEDS. EACH ROW HAD 8 SEEDS. THE SEEDS WERE 42 INCHES LONG. HOW FAR APART SHOULD HE PLANT THE SEEDS?

    asked by CC
  52. Calculus

    The captain of a ship at sea sights a lighthouse which is 260 feet tall. The captain measures the the angle of elevation to the top of the lighthouse to be 21. How far is the ship from the base of the lighthouse?

    asked by Vanessa
  53. Math

    You have 200 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area _____________________________________ Among all pairs of

    asked by Cassidy
  54. Algebra 2

    Solve for x. 2x² - 5bx + 4cx - 10bc = 0

    asked by Peter
  55. Math

    In a basketball free-throw shooting contest, the points made by Sam and Wilbur were in the ratio 7:9. Wilbur made 6 more points than Sam. find the number of points made by each.

    asked by Jahnay
  56. College Physics

    A rod of mass 4.3 kg and length 4.3 m hangs from a hinge as shown in Figure P9.28. The end of the rod is then given a “kick” so that it is moving at a speed of 2.3 m/s. How high will the rod swing? Express your answer in terms of the angle (in degree)

    asked by Anon
  57. Math

    The profit p(x) of a perfume company , in thousands of dollars,is given by p(x)=-5x^2+400x-2550, where x is the amount spent on advertising , in thousands of dollars a) determine the max profit the company can make b)Determine the amount spent on

    asked by Jezebel
  58. Chemistry

    What happens to the hydroxide ion concentration in aqueous solutions when we increase the hydrogen ion concentration by adding an acid? Would it be good enough to answer by stating that the OH- ion concentration decreases, lowering the pH?

    asked by Kevin
  59. Math/Economics

    Suppose that a firm has only one variable input, labor, and firm output is zero when labor is zero. When the firm hires 6 workers it produces 90 units of output. Fixed cost of production are $6 and the variable cost per unit of labor is $10. The marginal

    asked by Bill
  60. physics

    1. A ball moving horizontally clears a net 2 meters high. What maximum speed can it have if it is to fall within 5 meters of the net? 2.A pulley system lifts a load of 800 Newtons, 20 centimeters while the rope pulling it moves 100 cm. a. How much force

    asked by mimi
  61. Physics

    The drawing shows a skateboarder moving at v = 4.8 m/s along a horizontal section of a track that is slanted upward by 48° above the horizontal at its end, which is h = 0.48 m above the ground. When she leaves the track, she follows the characteristic

    asked by Anonymous
  62. Physics

    A solid and a hollow ball, each with a mass of 1 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 35 degrees. An ice cube of the same mass slides without friction down the same ramp. Which ball will reach the

    asked by Temi
  63. business english

    Avoid camouflaged words 1. it was my duty to make a determination of any damages. 2. Harold made a recommendation that we fire Mr. Schultz. 3. we will ask him to bring about a change in his work routine. 4. this new equipment will result in a savings in

    asked by efi
  64. english

    Anyone have any suggestions for two poems in Sappho (translated by mary barnard) that they found interesting and why??

    asked by Rebecca
  65. Algebra

    A triangular pennant has two sides the same length. The third side is 9 in. shorter than either of the equal sides. The perimeter of the pennant is 57 in. How long is the shortest side?

    asked by Anonymous
  66. statistics

    A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 121.2-cm and a standard deviation of 1.8-cm. Suppose a rod is chosen at random from all the rods produced by the company. There is a 23% probability that

    asked by Victor
  67. algebra

    Mike said, last week I ran 15 miles farther than Bill. Pete said Last week I ran one mile less than 3 times as far as Bill. If Mike and Pete ran the same distance, how far did Bill run?

    asked by Anonymous
  68. ALGEBRA

    A phone company charges $0.40 per long distance call plus $0.20 per minute. Find the cost of an 18-minute long distance phone call. Please explain it if you can

    asked by Amy
  69. social studies

    Three reason why people migrated to the new world

    asked by rashawn
  70. algebra,math

    evaluate and write the answer in scientific notation (4x10^5):(2.5x10^8)

    asked by tracy
  71. physics

    A stone tied to a strong is made tn resolue in a horizontal circle of radius 4m with angular speed of 2 radian,persecond with what tingential velocity will the stone move off the circle if the string cuts

    asked by francis
  72. physics

    A small steel ball rolls off a table (1 meter high) with a speed of 2 m/s. Where should they place a can (15 cm high; diameter 10 cm) to catch the ball?

    asked by mimi
  73. Algebra 2

    In 1950 the life expectancy of women was 72 years. In 1970 it was 75 years. E represents the life expectancy and T the number of years since 1950 (t=0 gives 1950 and t=10 gives 1960). a. fit a linear equation to predict life expectancy (0,72) AND (20,75)

    asked by Anonymous
  74. algEBRA word problem

    1 julies car travels 27 miles per gallon of gassoline used. she recently travedled 324 miles. how many gallons of gasoline did her car use? im learning about algebra multiplicaion property of equality and divsion property of equality would i write: i know

    asked by marko
  75. algebra

    evaluate the following and write the answer in scientific notation (6x10^-5:(5x10^-8)

    asked by tracy
  76. CALCULUS ONE!

    The graph of sinx and cosx intersect once between 0 and pi/2. What is the angle between the two curves at the point where they intersect? (You need to think about how the angle between two curves should be defined).

    asked by Sara
  77. Calculus

    If the tangent line to y = f(x) at (4, 3) passes through the point (0, 2), find f(4) and f'(4).

    asked by Jake
  78. algebra

    The larger of two consecutive integers is 10 more than 4 times the smaller. Find the integers.

    asked by Anonymous
  79. Math

    Please answer these problem for me.Thanks so much. 1. Border's Bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was: 2. The net price equivalent rate of 9/15/18 is: 3. If the

    asked by Angela
  80. Math

    Jade counted the number of the students on each sports time at her school and the number of wins the team had last season. If she displays her data on a scatter plot, what type of relationship will she most likely see between the number of students on a

    asked by Please help
  81. Ochem

    By looking at the chemical structures of acetaminophen, aspirin, caffeine, ibuprofen, and naproxin sodium, how are you able to determine the relative polarity of each? Does it have something to do with the symmetry of the structure? Please help!

    asked by Luis
  82. physics

    A simple harmonic oscillator has spring constant = 8.8N/m , amplitude = 11cm , and maximum speed 4.6m/s . what is the speed when x=6cm?

    asked by Aleena
  83. trigo

    from the top of 90 meters high building it is observe that the top of another building make a 40 degree angle depression. if two buildings 75 meters apart how tall is the other building?

    asked by jayson austria
  84. chemistry

    Using the balanced equation, Mg + 2HCl= H2 + MgCl2, calculate the amount of MG need to react with 25 mL of 6 M HCl.

    asked by Jamey
  85. physics

    A 2200-kg sport utility vehicle traveling at 96 km/h can be stopped in 0.15 s if it hits a concrete wall. Assume a 60 kg person was in the car that hit this wall. The velocity of the person equals that of the car both before and after the crash, and the

    asked by jim
  86. Organic chemistry

    Write equations for the reactions that occur. Put conditions and catalysts over the arrow. 1.CH3COOH + CH3(CH2)7OH 2.C6H14 + KMNO4 + H 3. CH3H12 + KMNO4 + H 4. CH3CHOHCH3 + KMNO4 + H 5. (CH3)3COH + KMNO4 + H 6. (CH3)2C=O + KMNO4 + H 7. CH3COOH + KMNO4 + H

    asked by Beta
  87. Math (Algebra)

    An apple has 24 fewer calories than a banana. If 7 bananas have the same number of calories as 10 apples, how many calories are in the banana?

    asked by Anonymous
  88. chemistry

    Hi, I really need help with my lab report because Im completely stuck. Its about the Ideal Gas behaviour. I am given the mass of Nano2 (0.5044g) the temperature of n2 gas (21.2 C) the temperature of water (21.9 C) the volume of n2 (186.1 ml) and the

    asked by Tamara
  89. Math

    Hair grows about one 1/2 inch each month. After you shave your head how many years will it be until your hair is 1 foot in length?

    asked by Maria
  90. chemistry

    a portion (10.0 ml)of a solution containing the chloride anion was treated with silver nitrate to yield a precipitate (0.1713 g) of the silver chloride. calculate the molar concentration of the chloride anion in the solution. first write the equation.

    asked by TROUBLED
  91. Math

    PLEASE HELP!!! In a basketball free-throw shooting contest, the points made by Sam and Wilbur were in the ratio 7:9. Wilbur made 6 more points than Sam. find the number of points made by each...... I'm so confused

    asked by Jahnay
  92. social studies

    What is a entrepreneur

    asked by rashawn
  93. Business Math

    Please answer these problem for me.Thanks so much. 1. Border's Bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was: 2. The net price equivalent rate of 9/15/18 is: 3. If the

    asked by Angela
  94. Calc

    First make an appropriate substitution and then use integration by parts to evaluate the indefinite integrals: ∫ sinx cos³x e^(1-sin²x) dx I was going to substitute u= 1 - sin²x, but then i got du = ½ sinxcosx - ½ xdx, so im stuck. Thank you so

    asked by Erica
  95. Science

    When plants die, what happen to carbon dioxide? They would be more co2 or less?

    asked by J
  96. Stats

    6. In each of the four examples listed below, one of the given variables is independent (x) and one of the given variables is dependent (y). Indicate in each case which variable is independent and which variable is dependent. I. Rainfall; Crop yield II.

    asked by Jen
  97. geometry

    I asked my teacher for a hint and he said that the pitcher's mound is not the radius. Am I supposed to assume that a side of a baseball diamond is 90? But that information wasn't given..... Still confused. If home plate is 60.5 feet from the pitcher's

    asked by susan
  98. College Physics

    In Chapter 3 we learned that the force of air drag on an object moving rapidly through the air is proportional to v2, where v is the speed of the ball relative to the air. The same relation applies to the force of the wind on the blades of a wind turbine

    asked by Anon
  99. Calculus

    Locate the absolute exterma of the function on the closed interval. y=3-|t-3| , [-1,5]

    asked by Luke
  100. Calculus

    find the limit as x approaches zero of (3sin2x)/sin7x and show work

    asked by Tina
  101. Chemistry

    if 20 ml of Formic acid is combined with 30 ml of distilled water and titrated with .10 M NaOH. What is the theoretical endpoint (equivalence point)

    asked by Jenna
  102. math

    Manuel wrote a 512-word paper over the weekend. He wrote 180 more words on Sunday than he did on Saturday. How many words did he write on Saturday?

    asked by beverly
  103. physics

    1. A jet is flying with an air speed of 500 m/s. A parcel is dropped out of the plane. Assume that it takes 40 seconds for the parcel to hit the ground.. Assume no air resistance. a. How high is the jet? b. How far forward horizontally from the spot where

    asked by mimi
  104. math

    Help please! Evaluate each expression for n=3 and n=8. solve n+10 and 36-n Thank you so much Sue.

    asked by Joshi
  105. statistics

    microfracture knee surgery has a 75% chance of success on patients with degenerative knees. The surgery is performed on 5 patients. Find the probability of the surgery being successful on less than 3 patients

    asked by Rose
  106. Math: Statistics

    Organize the data into a class interval frequency distribution using 10 intervals with frequency (f) and relative frequency (rf). Data Set: 100, 97, 99, 70, 72, 75, 82, 68, 85, 88, 71, 77, 93, 94, 54, 59, 83, 87, 98, 84, 72, 96, 98, 89, 74, 98, 77, 82, 83,

    asked by Joy Chapman
  107. English

    I need help if the sentence are good and i'm not sure with the underlining. Make up a sentece that contains an adjective cluase, and underline the adjective clause. Sentence #1: Celery, which people often leave uneaten, is very nutritous. Make up a sentece

    asked by Lisa
  108. Statistics

    Calculate the mean, median, and mode for the following data set. Is the distribution normal or skewed? If its skewed, is it positively skewed or negatively skewed? Which of these measures of central tendency would be most appropriate? Data Set: 100, 97,

    asked by Joy Chapman
  109. math

    . A boat is travelling on a bearing of 25° east of north at a speed of 5 knots (a knot is 1.852 km/h). After travelling for 3 hours, the boat heading is changed to 180° and it travels for a further 2 hours at 5 knots. What is the boat’s bearing from

    asked by mahesh
  110. Calculus

    find the limit as x approaches zero of (3sin2x)/sin7x and show work

    asked by Millie
  111. chemistry

    the molarity of a solution composed of 25.4g KHCO3 diluted with water to a total volume of 200 mL

    asked by Colin
  112. pyhsics

    A ball with a mass of 0.8 kg is kicked up the ramp with an initial speed of 22 m/s. What is the speed [m/s] of the ball at the top assuming no friction? Angle from which ball is kicked is 23 degrees and the horizontal leg is 7 feet long.

    asked by Jimmy
  113. AP physics

    a 5.7 kg ball rolls over the edge of a 4.4 m tall cliff. If the total mechanical energy of the ball is 890 j at the instant that it goes over the edge, how fast is the ball moving? Not sure how to get V when you know TME.

    asked by James
  114. MATh please help

    Helen h!@#$%^&1.35 in her bank in nickels and dimes. There are 9 more nickels than dimes. Find the number she has of each kind.

    asked by Tiffany
  115. Chemistry

    What would be the products of this chemical reaction?? Co(NO3)2 (aq) + NH3 (aq) = ?????? a precipitate is supposed to be formed.

    asked by Anna
  116. physics

    An aircraft gains speed during takeoff due to the constant thrust of its engine. When is the acceleration during takeoff greatest-at the beginning of the run along the runway or just before the aircraft lifts into the air? why?

    asked by fuzzy
  117. physics

    1 A block of mass mb sits atop a at wooden plank of mass mp on a plane inclined an angle theta with respect to thehorizontal. The two are supported near the bottom of the plane by a spring of spring constant k that is in contactwith the plank but not the

    asked by lala
  118. geometry

    if a regular shaped object has a length of 6 cm, a height of 6cm, and a width of 6 cm, what will the volume?

    asked by alli
  119. Grammar and punctuation

    What words are the verbs in this sentence? He suffered an injury to his knee, and this is causing him pain and discomfort

    asked by chelsea
  120. Math

    Henry took a math test and answered 22 out of 25 correctly. What is his score as a fraction, as a decimal and as a percent. Can anyone explain please

    asked by Leslie
  121. Business

    a person who desires acknowlefgement for their contributions and efforts more than they desire pay has a(n) need

    asked by Timika
  122. algebra

    evaluate and write in the solution in scientific notation 3x10^5\1.5x10^3

    asked by tracy
  123. Statistics: Draw A Scatterplot

    Draw a scatterplot indicating a strong negative relationship between the variables of income and mental illness. Be sure to label the axes correctly.

    asked by Joy Chapman
  124. writing

    I was wondering if in this paragraph I was going off topic, plz help, maybe give me some pointers? Im not finished with the paragraph but that's what I have so far and need someones opinion... Compassion is like handing a piece of your heart to another

    asked by Ricky
  125. math

    what is 15 divided by 2500

    asked by jayanna
  126. algebra

    The larger of two consecutive integers is 10 more than 4 times the smaller. Find the integers.

    asked by Anonymous
  127. science

    what is the balance chimical reaction for sulfuric acid?

    asked by Baller
  128. physics

    1. A jet is flying with an air speed of 500 m/s. A parcel is dropped out of the plane. Assume that it takes 40 seconds for the parcel to hit the ground.. Assume no air resistance. a. How high is the jet? b. How far forward horizontally from the spot where

    asked by mimi
  129. int algebra

    write an equation of the line that is parallel to x= -2 and passes through (-3,4) then graph the line

    asked by katty
  130. Intermediate Algebra

    Find the x- y-intercepts and graph the function f(x)=5x-10

    asked by Nate
  131. physics

    A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates an unbanked curve in the road. The curve may be regarded as an arc of a circle of radius 36.5 m. If the coefficient of static friction between crate and

    asked by jones
  132. math

    Julia is reading a 456-page book. During the past 7 days she has read 168 pages. If she continues reading at the same rate, how many more days will it take her to complete the book?

    asked by Jojo
  133. vba excel

    Our teacher wanted us to set up a command button that gives 3 input boxes on city, state, and zip code. Next we are suppose to use a Boolean type and set a true or false setting depending on the zip code that's suppose to be 5 digits. Next we are to insert

    asked by Angel
  134. English

    The Lottery takes place on a beautiful summer day in a small town. Although the location of the town is never given, it appears to be in a rural community. The story begins as a regular summer day, but has a surprising ending. In the short story "The

    asked by La'Charlis
  135. AP Physics

    a ball of mass 3 kg is moving with a velocity of 10 m/s. This ball collides with a second ball of mass 0.5 kg that is at rest. After the collison, the first ball is at rest. What is the velocity after the collison of the second ball if the collison is

    asked by Kailyn
  136. Diversity

    Choose one of the case studies at the end of Ch. 2 of Diversity Consciousness. Write a 350- to 700-word paper responding to the questions at the end of the case study and describing how the concepts relate to your workplace or to an organization with which

    asked by Vickie
  137. biology

    In some breeds of dogs, a dominant gene B controls the trait of barking. If a breeder wants to produce a true-breeding strain of barkers, but knows that the allele for silent dogs (b) is present amongst the barking dogs in his kennels, how could he

    asked by Nyo
  138. PC Basics

    Jill wants to organize information into tables, figures, fields, and records. What type of software should Jill use? A. Communications C. Database B. Presentation D. Word processing I think the answer is C

    asked by Linda
  139. math 11TH

    3X+2Y=

    asked by QADEER
  140. chem

    what effect would using fsr too much water to dissolve salt in water have on the results of a sand salt lab

    asked by Anonymouse
  141. geomatry

    the measure of one angle of a linear pair is 3 thimes the measure of the other angle. find the measures of the two angles

    asked by jazz
  142. Science(Computer Science)

    K-Map IF f(A,B,C)=AB+BC+AC

    asked by Tracy
  143. Physics

    An artillery shell is fired at an angle of 32.2◦ above the horizontal ground with an initial speed of 1610 m/s. The acceleration of gravity is 9.8 m/s 2. Find the total time of flight of the shell, neglecting air resistance. Answer in units of min Find

    asked by Jem
  144. Calculus

    find the limit as x approaches zero of (3sin2x)/sin7x and show work is it 6/7?

    asked by Millie
  145. social studies

    Why did the people of the middle ages fought in the crusades

    asked by rashawn
  146. English

    I wrote this poem but i'm not sure if it's any good...PLZ comment Especially writeacher. :-) Your eyes burn with rage Like the ball of fire in the sky Time passes by, and I never got to say goodbye Like an Eagle in The sky You soar away from Home. Never to

    asked by Jahnay
  147. Chemistry

    I've literally been trying to understand this for hours: MgCI2 does not decompose when heated. A student inadvertently uses hydrochloric acid, HCI, instead of nitric acid in this experiment, thus forming MgCI2 rather than MgO as a product. What numerical

    asked by Em
  148. calculus

    find the equation of the tangent line at f(x)=tanx - 2 at point (pie/8,3)

    asked by caitlyn
  149. math

    n^2+8n+12 factoring

    asked by traci
  150. psychology

    describe cognitive neuroscience using an example.

    asked by HELP!
  151. statistics

    Using measures of center and measures of variability compare the number of hours on school work (Q11) and the number of hours watching television (Q14). a) Which variable has greater variability? How do you know? b) What number of hours on school work

    asked by Audrey
  152. arithmetic

    IF A=.26 B=.57 AND C=.86 WHAT COMBO EQUALS 32.78

    asked by MIKE
  153. 4th grade math

    Hello, I am trying to help my son with his homework but i have no clue how to work these following: write a number expression for each phrase 1) 1,285 is how much more than 622 2) $402 increased by $86 3) 946 beads, then 80 fewer beads 4) 12 adults

    asked by Stella
  154. Stats....how do i do this??

    SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points, and are approximately normally distributed. What SAT I score within the population would have a percentile rank of approximately 16? Im not

    asked by Jen
  155. statistics

    Considering that a researcher can test at the

    asked by Sandra
  156. Algebra

    Suppose f(x)=2x-5 and g(x)= |-3x-1|. Find each value. f(1)+g(2) How would I solve this problems? If anyone could give me the step, thanks a lot.

    asked by Shadow
  157. Physical Science

    Under what circumstances would you expect the shared electron pair to be equal distances on the average from each of the atoms participating in a covalent bond?

    asked by Brooke
  158. math

    step by step how do we find the value of x and y in this matrices by the law of matrices (3 2 4 0) (x y)=(7 12)

    asked by swendy
  159. Accounting

    How do I post an adjusted entry for the following: The company prepaid its 9th month rent agreement on 6-1-2010 and prepaid its 6th month insurance policy on 12-1-2010.

    asked by Tasha
  160. Physicss

    1. Carlos jogs in a straight line at a constant speed of 1.5 m/s. He passes by Victoria, who, 10 seconds after Carlos had passed her, starts accelerating at a constant rate of 0.50 m/s^2 a) How much time after the passing of Carlos does it take Victoria to

    asked by Raf
  161. Math2

    The universal law of gravitation determines the amount of force exerted by a constant mass (M) on another constant mass (m), separated by a distance (r), is given by the expression F = ( -GmM )/r^2 a) What mathematical expression characterises the instant

    asked by Raf
  162. Calculus

    The point (1,-2) is on the graph of y^2-x^2+2x=5. Find the value of (dy/dx) and (d^2y/dx^2) at the point (1,-2). How do I find (d^2y/dx^2)? I found. I found (dy/dx) to be 2y(dy/dx)-2x+2=0, but I don't know how to take the derivative of that to

    asked by W
  163. chemistry

    Have 250 mL of a 0.80 M solution of silver nitrate AgNO3 dissolved in water. how many grams of AgNO3 does the solution contain

    asked by mary
  164. com/105

    How does this sound for a theses statement? Healthier Eating habits along with exercise help us maintain a healthy weight and promote remarkable results for our overall health.

    asked by Sade C
  165. math

    steve 3x+2y=7 4x+0y=12 x=3 y=-1 how can i understand i am in form3 where did the 3 come from and -1

    asked by swendy
  166. English

    Could you please check these sentences, especially the use of sentence connectors? Thank you very much. 1) The lecturer is telling her students about using bamboo fabric for clothing/in the fashion industry. Whereas cotton has long, flat fibres, bamboo

    asked by Henry2
  167. Pre-Calc

    Ok, so the problem was about a person with 300 feet of fence to make a rectangle enclose. The person also wanted to use the fence to split the enclose to two parts with the fence paralel to two of the sides. Find the dimensions So I am confuse on how to

    asked by Sakura
  168. child day care

    of the forms used in a child care program which of the following would be required for the children?

    asked by laura
  169. MATH

    I NEED HELP ON QUESTION 11 ON PG 47 IN THE GRADE SIX MZTH TEXT BOOK PLEASE HELP!!!!!!

    asked by HELLO
  170. Physics

    A bowling ball is rolled up an incline. If the ball has a speed of 12 m/s at the base of the incline, to what height h on the incline will the center mass travel?

    asked by Anon
  171. AP Physics

    a ball of mass 3 kg is moving with a velocity of 10 m/s. This ball collides with a second ball of mass 0.5 kg that is at rest. After the collison, the first ball is at rest. What is the velocity after the collison of the second ball if the collison is

    asked by Kailyn
  172. precal

    what is the answer to cot^2X+5=csc^2X+4?? i am not sure where to begin

    asked by deborah
  173. spelling??

    need a word with 5 letters, 3rd letter is a "g" the riddle is "amazing tricks that seem real"

    asked by abby
  174. language

    around nine o'clock is it a phrase or an independent clause or a dependent clause

    asked by dakota
  175. language

    is great at editing Is it a phrase?

    asked by dakota
  176. calculus

    shortly after taking off, a plane is climbing at an angle of 30° and traveling at a constant speed of 640 ft/sec as it passes over a ground radar tracking station. At that instant of time, the altitude of the plane is 1000 ft. How fast is the distance

    asked by Anonymous
  177. physics

    A piece of modeling clay is motionless in space. Another piece of clay that is 4 times as massive moving at 10m/s collides with it and sticks to it. What is the momentum of the combined blob after the collision?

    asked by Cliff
  178. physics

    A student laying on a building 54.0 m high shoots a pellet gun horizontally. If the pellet lands 156 m form the base of the building, what was the muzzle velocity of the gun?

    asked by Timmy
  179. The SAT

    I'm a 7th grader registered for the Duke TIP SAT. What is a good goal for me to set? Average score of a 7th grader taking the SAT?(:

    asked by Izzy
  180. Algebra LCD

    Lowest common denominator of denominators (3x^4)-27x^2 and (x^3)-3x^2

    asked by Clark
  181. 2nd grade math

    Which number sentence completes this fact family? 3+2=5 2+3=5 5-2=3 is it 5+2=7, 5+3=8, 5-1=4 or 5-3=2?

    asked by joei
  182. Math

    PLEASE HELP!!! In a basketball free-throw shooting contest, the points made by Sam and Wilbur were in the ratio 7:9. Wilbur made 6 more points than Sam. find the number of points made by each...... I'm so confused

    asked by Jahnay
  183. Grammar

    In the sentence "Let's walk around." Walk is the noun or the verb? And What is "Let's"?

    asked by JC
  184. English

    Thank you for helping me. I left out the following sentences. 1) Bamboo is the fastest growing plant in the world for its natural ability to absorb water. 2) Furthermore, it thrives naturally without the use of fertilizers or pesticides. 3)It is seldom

    asked by Henry2
  185. math

    it is 9 am yor family vacation stars in new york city with a final estination in miami. you travel 58 miles every hour if you do not stop for meals or attractions.you first head to washington d.c.and you must stop for 1 hour lunch at noon. use rounding to

    asked by jj
  186. English

    Could you please check these few sentences? Thank you. 1) In the foreground I can see Peter and Susan running on a crowded bridge to the audition place. 2) Peter is wearing a plain short-sleeved -T-shirt under a red-and-white striped apron. She is also

    asked by Henry2
  187. math

    how do we find total external surface area

    asked by swendy
  188. distance formula

    Find the distance between (5, 5) and (4, 4).

    asked by stephanie cisneros
  189. Physics

    How much power [W] is required to drag a sled horizontally at 3 miles per hour if the sled has a mass of 100 kg and the coefficient of friction is 0.15?

    asked by Brianb
  190. Physics

    What size motor [W] is required to pump 12,000 gallons of water up a water tower (with a height of 25 ft.) in 25 minutes? The density of water is 1,000 kg/cubic meter.

    asked by Brianb
  191. reading Plz Help

    in the novel "To Kill a Mockingbird", is Tom Robinson guilty, or is it Mayella Ewells?

    asked by Nick
  192. language

    I need to know if this is a phrase or dependent clause. the open bag of potato chips

    asked by dakota
  193. chemistry

    An object with a mass of 7.8 g raises the level of water in a graduated cylinder from 25.1 mL to 31.8 mL. What is the density of the object?

    asked by Mary
  194. Computer Science (MATLAB)

    Given a vector of values of zeros and ones such as [1 0 1 0 0 0 1 0] I'm asked to, given a probability provided by the user, use that probability to change the values in the vector using that probability. For example given the vector [0 1 0 0 0 1 0 0 0 1]

    asked by Jhon
  195. math

    in the month of May, ronald earned $4.36 in interest on his saving account. if his interest rate is 0.2%, how much money was in his account during the month?

    asked by grace
  196. English (Journal Entry)

    You see I have this weekly assignment for english which is a journal entry. Every week on monday she gives us a a journal entry topic to write about & it always due on friday, so for this week topic is: If you could visit with a historical figure for a

    asked by Laruen
  197. statistics

    A manufacturer makes two models of an item: model A which accounts for 70% of unit sales, and model B which accounts for 30% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 4% of its model A and 17% of its model B. Question

    asked by HELP ME
  198. PROBLEM SOLVING IN MATHEMATICS

    what do you need to know to solve this? you have kite ABCD. angle B is at the top of the kite and measures 80 degrees. angles A and C are on the sides and angle D is at the bottom of the kite. what is the largest siza that angle A or C could be?

    asked by HELP ME!!!!
  199. calculus

    find the points on the graph of y=sec x, 0=

    asked by Anonymous
  200. MATH

    so 3/8 is 16 centi on a scale and what is 3/4 on a scale?

    asked by ZUICK
  201. social studies

    what states border new york on the east 2. what type of boundary marks the border between new york and connecticut 3.what is thedistance between rochester and syracuse

    asked by kese
  202. COM/105

    How would I go about making my thesis statement less vague and more percise? Developing Healthy Eating habits along with exercise will promote a better quality of life, lower health cost, and longevity for all.

    asked by Sade C
  203. law

    describe the implied powers doctrine.

    asked by Dee
  204. Algebra 1

    3n+40=-6(-2n+1)+1

    asked by rachel
  205. math

    suppose a bag contains three orange marbles and two blue marbles. you are to choose a marble, return it to the bag, and then choose again and suppose you do this 50 times what is chance of getting 2 marbles of the same color.

    asked by kiki
  206. encryption

    Show that the active CCA against ElGamal encryption given in the lecture does not work when against the Cramer-Shoup encryption.

    asked by fiona
  207. science

    A substance seems to completely fill a container, but more can best forced in. The substance is a__________. A. solid B. gas C. liquid D. none of these

    asked by stephanie
  208. L'Hopital's rule

    Find lim x->1+ of [(1/(x-1))-(1/lnx)]. Here is my work... =(lnx-(x-1)) / ((x-1)(lnx)) =(lnx-1) / (lnx+ (x+1)/x) This becomes(1/x) / ((1/x)+(1/x^2)) which becomes 1/ (1/x^2) This equals 1/2. I understand the answer has to be -1/2, but I am having trouble

    asked by Anonymous
  209. 4th grade math

    I too am trying to help my son with his math homework. Problem is: at a Pokemon Tournament there are 6 players. Each player counted his cards at the beginning: These are the landmarks for the group: Minimum: 8, Maximum: 16, Moes: 13, Median: 14. Lisrt the

    asked by Kay
  210. child care

    in preparing budget for a day care center, you must plan for taxes.as an amployer you must pay part of employees which tax

    asked by sonia
  211. Algebra 1

    How do you rewrite things in function form? Please provide an example..?

    asked by Izzy
  212. Math

    Show all work solve the Math: Polynomial inequality and express the solution in set notation. 2t^2 - 3 < or = to t

    asked by Anonymous
  213. liquid

    is 152 liters the same as40 gallons

    asked by jennifer white
  214. calculus

    Find the volume of the solid formed by rotating the region in the 1st quadrant enclosed by the curves y= x^(1/4) and y= x/64 about the y-axis.

    asked by john
  215. cal

    If a ball is thrown into the air with a velocity of 41 ft/s, its height (in feet) after t seconds is given by y = 41t − 16t^2. Find the velocity when t = 1.

    asked by JJ
  216. Math: Polynomial inequalities

    Show all work solve the Math: Polynomial inequality and express the solution in set notation. 2t^2 - 3 < or = to t

    asked by Anonymous
  217. Biology

    A lilly from a true-breeding line with white flowers and short corollas (line A) is crossed to a lilly from a true-breeding line with black flowers and long corollas (line B). The resulting offspring, the F1, are all red-flowered, with corollas of medium

    asked by martini
  218. chemistry

    If the maximum sensitivity of absorbance is at 450nm would the same value of K be obtain at 400nm or 500nm? Please explain.

    asked by mary
  219. College Algebra

    Show all work solve the Polynomial inequality and express the solution in set notation. (3p-2p^2)/(4-p^2)

    asked by Liz
  220. Calculus

    If the tangent line to y = f(x) at (4, 3) passes through the point (0, 2), find f(4) and f'(4).

    asked by Jake
  221. math

    To estimate how many more people live in Atherton than Needles, which is closer to exact answer: rounding to hundreds or thousands? Explain. Artherto 7,127 Needles 5,346

    asked by Isabella
  222. Math

    The average number of new virus particles (virions) produced by a virally-infected cell during its lifetime is called the burst size. We will call the burst size N. Under reasonable assumptions, N can be approximated by N = p/u(p) where p is the rate of

    asked by clam
  223. physics

    Квадратная рамка со стороной а – 1см находится на расстоянии L – 5см в одной плоскости с прямым бесконечним проводом силы токов в проводо и

    asked by lisa reid
  224. geometry

    ONE SIDE IS 57 AND 2ND SIDE 15.FIND PARALLEL DISTANCE

    asked by Anonymous
  225. economics

    What two kinds of changes in the capital stock can improve labor productivity? How can each type be illustrated with a per-worker production function? What determines the slope of the per-worker production function?

14-) (Rules of the Game) How do

    asked by nikita
  226. calculus

    If g(1) = 4 and g¢ (1) = − 2, find f ¢ (1), where f(x) = x2 ln (g(x)). Also find the equation of the normal to f at x = 1.

    asked by ak
  227. Algebra LCD

    whats the lowest common denominator LCD with x^2-25 and x+5

    asked by Clark
  228. Calc

    Use integration by parts to evaluate the integral. ∫ from 1 to 4 of (√x) (ln√x) dx Im not really sure what to choose for u and dv. Thank you so much for the help!!

    asked by Erica
  229. Algebra

    Lowest common denominator of the following denominators: (5x^3)+25x^2 and 3x+15

    asked by Clark
  230. language

    is great at editing Is this a phrase or independent clause or dependent clause

    asked by dakota
  231. Math

    Bethany has 43 apples. Write a subtraction story about the apples that would require regroping. Then write the answer in a complete sentence.

    asked by Rosa martines
  232. 2nd grade math

    Mara has 2 quarters, 1 dime, and 2 pennies. She wants to buy a purse that is 75 cents. How much more money does she need? Why?

    asked by joei
  233. social studies

    What is feudalism

    asked by rashawn
  234. social studies

    What is fudalism

    asked by rashawn
  235. physics

    A simple harmonic oscillator with = 0.845 and total energy = 145 has amplitude 1.45 . A) find spring constant B) find period C) find max speed D) find max acceleration

    asked by Aleena
  236. chemistry

    what happens to energy released by an exothermic enthalpy change??

    asked by Jasmine
  237. social studies

    Two religious groups that fought during the crusades

    asked by rashawn
  238. Math

    Reasonnablenes the flag that Nico waves has an odd number in the ones place and even number in the tens place.what flag does he wave? Number on racing flag red flag 25 blue flag14 yellow 32 green flag 6 orange flag 17

    asked by mary
  239. liquid

    how many quarts are in a liter.About how many.

    asked by Jennifer White
  240. math

    a candy sells chocolate fudge for $4.50 for the first pound and $2.50 for each additional pound. how many pounds could be purchased with $29.00?

    asked by jessica
  241. Language Arts

    We are working on subject verb agreement. Would you say....Food and equipment become expensive or would it be becomes? Trying to decide between become and becomes. Thanks.

    asked by Brandi
  242. Math Help

    Help Solve x^2+2x-4=0 What is the solution

    asked by katie A
  243. physics

    A crate slides down a ramp inclined at 26.0° from the horizontal. The normal force of the ramp on the crate is 710 N and the coefficient of kinetic friction between the crate’s bottom and the ramp’s surface is 0.330. Find the magnitude of the force of

    asked by ahan
  244. word problems

    If there is 30 kids in classroom and 2/5 are boys. How many girls are in the classroom?

    asked by terry
  245. Science

    I have a project over hydroelectric energy. My partner and I have looked through books and the Internet to find out what other tasks can be performed using this energy, but nothing was clear to what tasks it performs. Please help! Thanks so much, Bella

    asked by Bella
  246. science

    the temperature of the water that forms while ice melts is 32 degrees fahrenheit true or false?

    asked by miguel
  247. math

    one side of a square is decreased by 20% while its adjecent side is increased by 10%% forming a new rectangle. the area of the new rectangle formed is what percentage of the area of the original square?

    asked by walter
  248. math

    12 4 x 12 4 ______

    asked by Anonymous
  249. social studies

    What was the religious issues why many europeans left europe

    asked by rashawn
  250. Math

    What are the other three factors of a number if the other three are 5 ,7, and 13 ?

    asked by StudentJ
  251. physics

    can you help me to re-arrange this formula. i don't get it. V2^2= V1^2+2ad^2 I want to solve for a pls help

    asked by ted
  252. social studies

    On the journey down to jerusalem the way back to europe many crusades discovered what

    asked by rashawn
  253. Stats

    For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode = 98 Midrange = 57 I. What score was earned by more

    asked by Jen
  254. eNGLISH

    this is being graded along with this poem (I KNOW IT'S LONG BUT DON'T BE SCARED TO READ IT. I NEED THE COMMENTS): When nothing else remains, I want to know if you’ll stand by my side. If you’ll be the light of my path when the sun shuts down. I want to

    asked by Jahnay
  255. Stats...is this correct?

    A sample of purchases at the local convenience store has resulted in the following sample data, where x = the number of items purchased per customer and f = the number of customers. x 1 2 3 4 5 f 5 15 8 8 7 1. What does the 15 stand for in the above table?

    asked by Jen
  256. answer

    One of the reasons that certain advertisements are successful is because viewers want to behave like those they observe. What is the general term that psychologists use to describe this type of behavior?

    asked by Anonymous
  257. ......

    Why do some people delete other messages

    asked by BOB
  258. math

    step by step how do we find the value of x and y in this matrices by the law of matrices (3 2 4 0) (x y)=(7 12)

    asked by swendy
  259. math

    (3, -2) and (-5, 3).

    asked by stephanie cisneros
  260. English

    his is being graded along with this poem (I KNOW IT'S LONG BUT DON'T BE SCARED TO READ IT. I NEED THE COMMENTS): When nothing else remains, I want to know if you’ll stand by my side. If you’ll be the light of my path when the sun shuts down. I want to

    asked by READ ME (jahnay)
  261. Science

    In Central United States from which direction would you likely observe the approaching cold front?

    asked by EBBS
  262. Science

    In central United States in what direction would you likely observe the approaching cold front? Would it be southeast?

    asked by EBBS
  263. math

    what is 15,000x160=

    asked by john k
  264. Accounting

    Original budget for 2009 included $600,000 fixed overhead and $400,000 variable overhead. Labor hours were estimated at 200,000 labor hours. The predetermined overhead rate was $5 per hour. Actual overhead turned out to be $1,100,000. Actual labor hours

    asked by Leslie
  265. statistics

    With a µ = 100, a score of 150 is more extreme when ó = ______. a.25 b.100 c.both d.neither

    asked by april
  266. SS

    what are labor/worker problems in southern colonies?

    asked by karen Help!!!!!
  267. Business

    All of the following are strategies and tactics for building teamwork expect

    asked by Timika
  268. Math

    Show all work solve the Polynomial inequality and express the solution in set notation. y^2+2y > or = to 4

    asked by Anonymous
  269. Math

    During a contest, a radio station gave away 40 free tickets to a concert. Only 25 of the free tickets were used. What percent of the tickets was used? How do we figure out the percentage???

    asked by Nessa
  270. science

    what nutrient works as a muscle builder and body repair worker

    asked by Grant
  271. Social Studies

    In 1950, what west coast team became an official member of the NFL?

    asked by Jenna
  272. Help

    x^2 -6x + 9 = 9 how would I solve this

    asked by katie A
  273. math Help

    4x^2 + x + 6 what would x=?

    asked by katie A
  274. Healthcare

    why would it be difficult for a small community hospital or a practicing physician to survive in today's health care climate?

    asked by pj
  275. Accounting

    Original budget for 2009 included $600,000 fixed overhead and $400,000 variable overhead. Labor hours were estimated at 200,000 labor hours. The predetermined overhead rate was $5 per hour. Actual overhead turned out to be $1,100,000. Actual labor hours

    asked by Leslie
  276. physics

    A force is applied to a 2.2 kg mass and produces 4.5 m/s 2 acceleration. What acceleration would be produced by the same force applied to a 13.7 kg mass? Answer in units of m/s 2

    asked by kierra
  277. Social Studes

    what is the backcountry and explain the disputes?

    asked by Help!!!!! From Tiffany
  278. simple math

    1:3 and 1:2 Which one is a larger ratio? What does it mean for a ratio to be larger or smaller? Thank you.

    asked by Peter
  279. Calculus

    Evaluate the indefinite integral: ∫ from 1 to 2 of ln (x²e^x) dx Thank you for your help!!

    asked by Erica
  280. spanish/help please

    Say what the salespeople and customers tell each other .(indirect object pronouns) example: yo/a los amigos :yo / buscar / aretes/ plata answer: les digo que busco unos aretes de plata 4 amigo/a mi:otro/ vendedores/ vender/ aretes 5 vendedor/ a

    asked by mike
  281. please correct my essay..grammar check, ect...

    Eric Yiadom is a hotheaded volcanic tempered basketball player whose attitude often leads others to malign him. He is tall, slim with dark olive skin and has short red hair as hot as his temper. On the court he lacks sportsmanship. Always causing a tantrum

    asked by ME
  282. chemistry

    Free Energy and Temperature A certain reaction is non-spontaneous at lower temperatures but becomes spontaneous when the temperature is raised sufficiently. For this reaction, S is positive. S is negative. H is negative. G becomes positive at higher

    asked by tt
  283. trigonometry

    Towers A and B are on the east-west line 125 m apart. Jojo, on the north of that line finds that the direction of towers A and B are N 39deg27mins E and N 50deg33mins W, respectively. How far is Jojo from each tower?

    asked by naik
  284. english

    what are dependent and independent clauses?

    asked by Nick
  285. physics

    A 3.60 kg object is attached to a vertical rod by two strings as in the figure below. The object rotates in a horizontal circle at constant speed 7.15 m/s. (a) Find the tension in the upper string. N (b) Find the tension in the lower string. N

    asked by jones
  286. math 10

    (2squared) cubed

    asked by don
  287. Algebra 2

    Solve for x. x³ + ax² - a²x - a³ = 0

    asked by Peter
  288. Statistics: Range, Average Deviation, Standard Dev

    Can someone please help me with the following math problems? I am totally lost and confused. Calculate the range, average deviation, and standard deviation for the following five distributions: A. 1, 2, 3, 4, 5, 6, 7, 8, 9 B. -4, -3, -2, -1, 0, 1, 2, 3, 4

    asked by Joy Chapman
  289. Intermediate Algerbra

    For sum odd reason im thinking to hard and getting stuck never happened before but the quesion goes like this--- Find the equation of the line that passes through(5,7) and is parallel to the y-axis

    asked by Katty
  290. math

    Solve this 5+6 whole number 1 over 2+2whole number 7 over 10

    asked by Goodness
  291. math

    e.) 22, 344,579.06 a.) 1, 333.8 c.) 4.44 b) 2.97 d) 2.05 can you please put this in order from least to greatest in decimal form

    asked by HELP
  292. math

    Thw total cost of a meal at a banquet hall is $20 per person plus a $500 charge for renting Suppose the total was $2160 find the number of guests?

    asked by Nick
  293. Math

    e.) 22, 344,579.06 a.) 1, 333.8 c.) 4.44 b) 2.97 d) 2.05 can you please put this in order from least to greatest in decimal form

    asked by HELP
  294. Social Studes

    what is the difference between general court and fundamental orders of Connecticut?

    asked by Jack Help!!!!!
  295. math help please

    Helen h!@#$%^&1.35 in her bank in nickels and dimes. There are 9 more nickels than dimes. Find the number she has of each kind.

    asked by Tiffany
  296. Help

    a.) 1, 333.8 b.) 2.97 c.) 4.44 d.) 2.05 e.) 22, 344,579.06 how is this written in writing format?

    asked by help please !!!!!!!!!!!!!!!!!!!!
  297. English

    Could you please tell me if the sentence is possible? "Emotions/emotion, thanks to or through"? The sensory experience, for example the sight of the daffodils, sets the poet's visionary power in action. Thus the poet recollects and contemplates past

    asked by Henry2
  298. Keyboarding and Word Processing

    When typing personal titles in correspondence, you should always include the person’s name if you know it. If you don’t know the person’s name, which of the following should you use? A. Sir or Ma’am B. To whom it may concern C. Ladies and Gentlemen

    asked by Linda
  299. math

    I need help on the quistion17yd x [x+(-4)]min if the formula is d=rt

    asked by john
  300. English

    1. The lanterns had to burn for eight to ten hours. 2. The lanterns had to burn for from eight to ten hours. (Are both sentences OK? Which one do we have to use?)

    asked by rfvv
  301. accounting

    What generally accepted Accounting Principle(s) dominate the issue of asset valuation?

    asked by albert
  302. Math

    (sin)6.9^10-4/10-5. Please solve. I don't get it....explain too.

    asked by Wendy
  303. Management

    Can someone help me with these 2 questions from principles of management.thank you 1) Using the comprehensive approach, tell what steps you would take to manage a change. For each step, give specific examples of actions you would take at that step. 2)

    asked by eli
  304. physics

    A teacher is shot out of a cannon. He leaves the barrel at an angle of 25.0o to the ground with a velocity of 45.0 m/s. What is the teacher's horizontal velocity?

    asked by Timmy
  305. physics

    A teacher is shot out of a cannon. He leaves the barrel at an angle of 25.0o to the ground with a velocity of 45.0 m/s. What is the maximum height the teacher will reach in his flight?

    asked by Timmy
  306. Algebra 2

    I have a rectangular prism and I need to know the dimensions of it and the x values of it from the given information. x(15-x) by x(12-x).

    asked by jay
  307. physics

    A teacher is shot out of a cannon. He leaves the barrel at an angle of 25.0o to the ground with a velocity of 45.0 m/s. How many seconds will the teacher be in flight?

    asked by Timmy
  308. physics

    A teacher is shot out of a cannon. He leaves the barrel at an angle of 25.0o to the ground with a velocity of 45.0 m/s. How far down range will he land?

    asked by Timmy
  309. language

    the open bag of potato chips Is this a phrase, an independent clause or a dependent clause?

    asked by dakota
  310. BUSINESS STATISTICS

    The random variable x is normally distributed with mean =1,000 and standard deviation =100. Sketch and find each of the following probabilities: P(x

    asked by Shirley
  311. social studies

    What is a serf

    asked by rashawn
  312. social studies

    What is malaria

    asked by rashawn
  313. social studies

    What is religious persecution

    asked by rashawn
  314. social studies

    What is a colony

    asked by rashawn
  315. College Algebra

    Factor the polynomial by pulling out the GCF 6r^2+12r-15

    asked by Lauren
  316. pharous

    If [H+] is 1000,000 times larger than [OH-] at 25 °C, what is the pH?

    asked by hamy
  317. Algebra 1

    (-10/10) - (-18/9)

    asked by emily
  318. Science?

    What causes depression?

    asked by BrokenHeartedFool
  319. social studies

    What was salt mostly used for

    asked by rashawn
  320. math

    find the total external surface area of a cylinder open at the top having a radius of 21cm and height 120cm

    asked by swendy
  321. social studies

    What did johann gutenberg invent

    asked by rashawn
  322. geometry

    a box is in the shape of a cube where each face of the box is 12 inches by 12 inches. How long is the longest possible stick that can fit inside this cube?

    asked by Marion
  323. convert fraction

    so 3/8 is 16 centi on a scale and what is 3/4 on a scale?

    asked by Tiffany
  324. social studies

    What is another name for english government

    asked by rashawn
  325. American Government

    explain the importance of a president's character.

    asked by Maci
  326. American Government

    what is the foundation of the president's authority and influence?

    asked by Maci
  327. Science

    In what way is erosion NOT like weathering? A)It is a force that changes the earth's surface B)It is a destructive force C)It changes rocks in some way D)It breaks down rocks I think D??

    asked by Isaac
  328. American Government

    what are the three ceremonial functions of the president as chief of state?

    asked by Maci
  329. MATH(convert fraction)

    so 3/8 is 16 centi on a scale and what is 3/4 on a scale?

    asked by Tiffany
  330. Calculus

    Use either substitution or integration by parts to evaluate the integral: ∫(x+2)/(x²+2) dx Thank you!!

    asked by Erica
  331. Math Help

    Help Solve x^2+2x-4=0 What is the solution

    asked by katie A
  332. Psychology

    How do the ideas of positive psychology differ from the traditional model of illness?

    asked by Melanie
  333. trigo

    A television tower stands on the top of the building from point 83.7 feet from the base of the building the angles of elevator to the top and the base of the tower are 63.20 minutes and 38.51 minutes respectively. How tall is the tower?

    asked by jayson austria
  334. English

    Anyone know summary or any information about the story capital gains by rana dasgupta? it is from th ebest american nonrequired reading

    asked by Tyler
  335. social studies

    Who was the heir to king henry1 throne

    asked by rashawn
  336. math

    (3 2 4 0) (x y)=(7 12) find x and y in this matrices

    asked by swendy
  337. math

    27=8k+k

    asked by gabby