Questions Asked on
January 30, 2012

  1. Physics

    The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -7.00 10-9 C placed at corner A and then

    asked by Anne
  2. physical chemistry

    2. The retina of a human eye can detect light when radiant energy incident on it is at least 4.0X10-17 J. For light of 600-nm wavelength, how many photons does this correspond to?

    asked by sargam
  3. consumer math

    start with $3,500 in cash and in owner's equity. You sell product purchased for $750 for $1,525.00 You purchase equipment for $500. You pay the rent by check for $450 You receive next month's power bill for $155.00 Cash $_____ Accounts Payable $___

    asked by Yelena
  4. Algebra

    Six angles in a hexagon are fit together.It looks like this... _____ /\ / \ /_1\6/_5\ \ 2/3\4/ \/____/ I try to draw the picture as best as I can but try to imagine. It's a hexagon with the six angles labeled near the center of the hexagon. The options

    asked by Megan
  5. Chemistry

    What is the density of Li2S in grams per cubic centimeter, if the edge length of the unit cell is 5.88*10^2 pm?

    asked by amicus
  6. alg 1

    It takes a florist 3 hour and 15 minutes to make 3 small centerpieces and 3 large centerpieces. It takes 6 hours and 20 minutes to make 4 small centerpieces and 7 large centerpieces. How long does it take to make each small centerpiece and each large

    asked by Emma
  7. physics

    While in empty space, an astronaut throws a ball at a velocity of 15 m/s. What will the velocity of the ball be after it has traveled 2 meters?

    asked by Anonymous
  8. Science

    Table 1: Temperature and volume data Trial Temperature (Celsius) Volume (mL) Starting Volume Room Temperature = Hot Water Trial 1 107 5.6ml Hot Water Trial 2 108.3 5.4ml Cold Water Trial 1 lo 4.4ml Cold Water Trial 2 lo 4.4ml PLOT AREA (Insert a graph that

    asked by ThuyD
  9. Chemistry

    Which is more soluble in water: propionic acid or sodium propionate?

    asked by Jeremy
  10. Physics

    I am doing my physics homework and am stuck on this one problem. can anyone help me please? Two blocks are connected by a massless string and are held in position by another massless string along a frictionless incline (as shown in the figure). Let M1 =

    asked by Kaity
  11. physics

    A Spring (k=790 N/m) has a length of 48 cm when zero net force is applied to it. What will its length be when 230 N of force is applied to stretch it?

    asked by help-not sure how to do this
  12. Calculus

    A pomegranate is thrown from ground level straight up into the air at time t=0 with velocity 128 feet per second. Its height in feet at t seconds is f(t)=16t^2+128t. Find the time its hits the ground and the time it reaches its highest point.

    asked by Anonymous
  13. chem: Drbob222

    Hi I have a follow up to a question that was answered previously. New question: So when the HPO4(2-) reacts with the NaOH, will the equation be this?: HPO4^(2-) + NaOH --> H2O + NaPO4(2-) But how do I write the equation for the H2PO4^- and HCl? H2PO4^- +

    asked by jean
  14. Physics

    A force of 1000 N is applied to a 1200 kg car. If the coefficient of friction is 0.04, what is the car's acceleration?

    asked by Maria Ellah
  15. chemistry

    the vapor pressure of ethanol at 20c is 44 mmHg and the vapor pressure of methanol at the same temperature is 94mmHg. A mixture of 30.0 g of methanol and 45.0 g of ethanol is prepared (and can be assumed to behave as an ideal solution). a.) calculate the

    asked by cassidy
  16. Alg 1

    You have 60 megabytes of space left on your portaable media player. You can choose to download song files that use 3.5 megabytes or video files that use 8 megabytes. You want to download at least 12 files. What is a graph showing the numbers of songs and

    asked by Emma
  17. physics

    Three charged particles are placed at the corners of an equilateral triangle of side d = 1.40 m (Fig. 16-53). The charges are Q1 = +4.0 µC, Q2 = -7.0 µC, and Q3 = -6.0 µC. Calculate the magnitude and direction of the net force on each due to the other

    asked by CLaire
  18. Physics

    A force of 300 N is sufficient to keep a 100 kg crate moving at a constant speed across a wooden floor. What is the coefficient of sliding floor?

    asked by Maria Ellah
  19. Physics

    A tractor of mass 5.0*10^3kg is used to tow a car of mass 2.5*10^3kg.the tractor moved with a speed of 3.0m/s^1 just before the towing rope became taut.calculate:the speed of the tractor immediately the rope became taut, loose kinetic energy of the system

    asked by Thank-God
  20. geography

    Why do temperatures drop in the cold sector?

    asked by belo
  21. college algebra

    A model rocket is launches upward with an initial velocity of 160 feet per second. The height, in feet, of the rocket t seconds after the launch is given by h=-16t^2+160t. How many seconds after the launch will the rocket be 290 feet above the ground?

    asked by missy
  22. Physics

    A cheetah running at 30 m/s is pursuing a zebra going in a straight line at 14 m/s. If the zebra has a 35 m head start, how much time does it take for the zebra to catch up? (Please show all work. I know the answer, but I need the step by step instruction

    asked by Daniel
  23. Physics

    A force of 250 N is just sufficient to start a 50 kg steel trunk moving across a wooden floor. Find the coefficient of static friction.

    asked by Maria Ellah
  24. Physics

    A 200-kg cart is pushed slowly up an incline. How much work does the pushing force do in moving the cart up to a platform 1.5 m above the starting point if friction is negligible?

    asked by Nichelle
  25. biochemistry

    If you make up a solution of 100 mL of 0.1 M HEPES in the basic form, what will be the pH? I have no idea where to even start...

    asked by Sara
  26. materials science

    Consider a copper lattice with an excessive average of one vacancy in every 100 unit cells. What will be its density? Compare this to the theoretical density of copper.

    asked by Bob
  27. Precalculus

    Write 4log2+log6-log3 as a single logarithm. Explain with steps please!~~

    asked by Jake
  28. Physics

    A car whose brakes are locked skids to a stop in 200 ft from an initial velocity of 50 mi/hr. Find the coefficient of sliding friction.

    asked by Maria Ellah
  29. chemistry

    Chloroquine is used to treat malaria. Studies have shown that an effective dose for children is 3.5 mg per kilogram (3.5 mg/kg) of body weight, every 6 hours. If a child weighs 21 kg, how many milligrams of this drug should be given in a 66 hour period?

    asked by k
  30. Physics

    A 200-kg cart is pushed slowly up an incline. How much work does the pushing force do in moving the cart up to a platform 1.5 m above the starting point if friction is negligible? (Use above problem) If the distance along the incline to the platform is 7 m

    asked by BNC
  31. PHYSICS

    A water pistol aimed horizontally projects a stream of water with an initial speed of 5.00 m/s. (a) How far does the water drop in moving 1.00 m hori- zontally? (b) How far does it travel before dropping a vertical distance of 1.00 cm?

    asked by Rebecca
  32. ohysical science

    A weightlifter raises a 200-kg barbell through a height of 2 m in 2.2 s. The average power he develops during the lift is

    asked by Anonymous
  33. Calculus

    Consider the curve -8x^2+5xy+y^3=-149 1. Find Dy/dx 2. write an equation for the line tangent to the curve at the point (4,-1)

    asked by Matt
  34. Pre-Algebra

    Help! I am not really good with story problems! Forest rangers measure a depth of 82" of snow on a mountain peak at 8am. Snow is expected to fall at a steady rate of 3/4" per hour throughout the day. A) write an equation that approximates the depth of 'y'

    asked by Erin
  35. AP Chem. 3

    A 1.80 g sample of a large boimolecule was dissolved in 21.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is

    asked by Kathryn
  36. chemistry

    how much energy is released when a 5600-g sample of water cools from 99 degrees C to 28 degrees C?

    asked by Anonymous
  37. physics

    A pitcher claims he can throw a 0.146 kg baseball with as much momentum as a 3.37 g bullet moving with a speed of 15238 m/s. What must be its speed if the pitcher’s claim is valid? Answer in units of m/s What is the kinetic energy of the bullet? Answer

    asked by kesha
  38. Business Finance

    Pete's Warehouse has a market value of $5,000,000. The property in Pete's area is assessed at 40% of the market value. The tax rate of $105.10 per $1000 of assessed value. What is Pete's property tax?

    asked by Renee
  39. math

    the chef at a restaurant bought 37 pounds of salad for $46.25. how much did she pay for 1 pound of salad

    asked by Grace
  40. chemistry

    The energy levels the electron can occupy in the Be3+ ion can be calculated using the energy level equation. A Be3+ ion with an electron in the n= 3.00 level emitted a photon with a frequency of 7.30 × 1015 Hz. What is the value of the level n for the new

    asked by mike
  41. Chemistry

    How many kilograms of water at 15oC can be heated to 95oC by burning 143 grams of methane, CH4, assuming that 100% of the heat is used to heat the water. The heat of combustion of methane is 891 kJ per mole of methane. (The specific heat of water is 4.184

    asked by Hannah
  42. Chemistry

    Determine the maximum number of electrons that can have each of the following designations: 6f: 4d: 2f: 5d(yz): 3d:

    asked by Kaleen
  43. Solid mensuration

    Find an equation of the circle tangent to x + y = 3 at (2,1) and with center on 3x - 2y - 6 = 0

    asked by Jane
  44. physics

    Two carts with masses of 11.7 kg and 2.5 kg move in opposite directions on a frictionless horizontal track with speeds of 6.6 m/s and 3.1 m/s, respectively. The carts stick together after colliding head-on. Find their final speed. Answer in units of m/s

    asked by zavy
  45. Science

    Is a medical diagnosis considered a theory or a hypothesis?

    asked by Meg
  46. PHYSICS

    A dolphin wants to swim directly back to its home bay, which is 0.85 km due west. It can swim at a speed of 4.35 m/s relative to the water, but a uniform water current flows with speed 2.82 m/s in the southeast direction. (a) What direction should the

    asked by Anonymous
  47. Chemistry

    How many grams of NaCl should be added to 1 L of water to make an isotonic solution? (molecular weight of NaCl= 58.5) Can someone please explain to me why the answer is 9 grams.

    asked by Jon
  48. Math

    A jewelry store is selling a set of 4 pairs of gemstone earrings for $58, including tax. Neva and three of her friends bought the set so each could have one pair of earrings. Write and solve a multiplication equation to fin how much each person should pay.

    asked by Mia
  49. physics

    This is an ”explosion” question. A 30-06 caliber hunting rifle fires a bullet of mass 0.0164 kg with a velocity of 254 m/s to the right. The rifle has a mass of 3.62 kg. What is the recoil speed of the rifle as the bullet leaves the rifle? Answer

    asked by djenane
  50. math

    A simple economy consists of two industries: agriculture and manifacturing. The production of 1 unit of agricultural products requires the consumption of 0.4 units of agricultural products and 0.15 units of manufactured goods. The production of 1 unit of

    asked by dub
  51. Chemistry

    Which is more soluble in water: HCl or ethyl chloride?

    asked by Jeremy
  52. physics

    A plane leaves Seattle, flies 77.0 mi at 22.0 degrees north of east, and then changes direction to 50.0 degrees south of east. After flying at 119 mi in this new direction, the pilot must make an emergency landing on a field. The Seattle Airport facility

    asked by Lisa
  53. math

    A park has 18 swings. 3/9 of them are tire swings. how many of the swings are tire swings?

    asked by Layla
  54. physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 25.9° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of

    asked by Marlee
  55. chem

    The fact that ice is less dense than water is related to the fact that ____. the molecular structure of ice is much less orderly than that of water the molecules of ice are held to each other by covalent bonding ice has a molecular structure in which water

    asked by Lexi
  56. Business management class

    1. Americans are often accused of being ethnocentric. This means that A. Americans welcome diversity in their work force. B. Americans feel their culture is superior to other cultures. C. U.S. firms are actively seeking international markets. D. U.S.

    asked by April
  57. ELA

    Read the social studies article about the gold rush below. Then list the prepositional phrases on the lines. Underline the object of the preposition in each phrase In 1849, gold was discovered at Sutter's Mill in California. Thousands of settlers headed

    asked by Andrew
  58. english

    teacher read story called The Secret Life of Walter Mitty and it be here 142.23.40.13/big/english/stories/WalterMitty . p d f all questions i have to do. i write my answers here and if you please help me edit correct them. i not sure if teacher say to

    asked by Mohammad
  59. physics

    A space traveler weighs 620 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?

    asked by Anonymous
  60. Math Help

    The length of an object in feet is equal to 3 times its length in yards. The length of a waterslide is 48 feet. Write and solve a multiplication equation to find the length of the waterslide in yards.

    asked by Anna
  61. physics

    a pendulum with a length of .600 m has a period of 1.55 s. what is acceleration due to gravity at the pendulums location

    asked by how to do this?
  62. College Physics

    A 1.00 g lead bullet at 28.0°C is fired at a speed of 230 m/s into a large block of ice at 0°C, in which it becomes embedded. What quantity of ice melts? Can someone walk me through this step by step?

    asked by Anand
  63. math

    Tickets to a show cost$10 in advance and $15 at the door. If 120 Tickets were sold for a total of $1390, how many of the tickets were bought in advance?

    asked by Rambo
  64. English

    put an (*) next to the answer I chose. Not asking anyone to do my work for me; just want a double check. I'm a little unsure since I picked the same term for each answer :) Read the following sentence from "In Another Country" and choose the word below

    asked by Glen
  65. Stats

    Suppose that your score on an exam has a positive z-score in comparison to your classmates. A. Is it possible that your score is below the mean score?

    asked by Rok
  66. Alg 1

    The owner of a hair salon charges $20 more per haircut than the assistant. Yesterday the assistant gave 12 haircuts. The owner gave 6 haircuts. The total earnings from the haircuts were $750. How much does the owner charge for a haircut? Solve by writing

    asked by Emma
  67. business managment

    1. In a _______, consumers ultimately decide what should be produced. A. macroeconomic system C. free market system B. socialist economy D. command economy 2. Efficiency can best be defined as A. the amount of output generated in a given amount of time. B.

    asked by jamie
  68. programming

    Write pseudocode to accept as input names of an unspecified number of equipment rented, the name of the company, the number of days the equipment was rented for and the sales amount. The algorithm must determine the number of times each type of equipment

    asked by John
  69. physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 25.9° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of

    asked by Amanda
  70. PHYSICS

    A ball is thrown from a point 1.1 m above the ground. The initial velocity is 20.3 m/s at an angle of 32.0° above the horizontal. (a) Find the maximum height of the ball above the ground??? (b) Calculate the speed of the ball at the highest point in the

    asked by Anonymous
  71. Chemistry

    1)Which compound below would be expected to have the highest boiling point? a) CH3-CH2-CH2-CH2-CH2-CH2-CH3 b) CH3-CH2-CH2-CH2-CH-CH3 | CH3 c) CH3-CH-CH2-CH-CH3 | | CH3 CH3 d) CH3 | CH3-CH-C-CH3 | | CH3 CH3 Do I use molar mass to determine which is the

    asked by Hannah
  72. Science

    Which distance is the greatest ? A. The distance across the Milky Way Galaxy. B. The distance to the nearest star Cluster. C. The distance across the solar system. D. The distance to the nearest Galaxy.

    asked by Natalie
  73. MATH (REFINANCE MORTGAGE)

    A person purchased a 225463 home 10 years ago by paying 10% down and sighning a 30 year mortgage at 8.7% compounded monthly. Interest rates have dropped and the owner wants to refinance the unpaid balance by signing a new 20 year mortgage at 4.2%

    asked by Jugrnot
  74. math

    A Ferris wheel with a diameter of 100 feet rotates at a constant rate of 4 revolutions per minute. Let the center of the Ferris wheel be at the origin. The height h (in feet) of a Ferris wheel car located at the point (x, y) is given by h = 50 + y where y

    asked by Rosalinda
  75. English

    Can you please check my sentences together with a few more points I need to include in my project work? 1) I really hope you had a good journey back home. All our teachers have been enthusiastic about your visit and your principal's words about the

    asked by Henry2
  76. physics

    The linear impulse delivered by the hit of a boxer is 229 N · s during the 0.504 s of contact. What is the magnitude of the average force exerted on the glove by the other boxer? Answer in units of N

    asked by kesha
  77. geometry

    Gail and her 3 friends all share half a pie. All the pieces in thwe pie put together make up 180 degrees. Gail and her friends finish the pie and they each eat an equal piece. They believe each piece has an angle equal to 25 degrees. are their calculations

    asked by michelle
  78. math

    Simplify the expression √x2 - 25 as much as possible after substituting 5csc(θ) for x.

    asked by Anonymous
  79. algebra II

    A moving company charges a flat rate of $85 plus and additional $.17 per mile driven. How far must the company drive to earn @ least $100? Round to the nearest mile.

    asked by Henry
  80. Dynamics

    A quarterback throws a football with a velocity vo at an angle of 45o with the horizontal. At the same instant a receiver standing 20 ft in front starts running down the field at 15 ft/s and catches the ball. What is the distance of the receiver from the

    asked by ali
  81. algebra

    could you please help me? john needs to earn $693 to pay for trip. he finds job that pays $7 per hour and he mows lawns for $9. an hour a. write an inequality describing his goal in terms of hours at his job, x, and hours mowing lawns, y . i wrote 7x + 9y

    asked by ann
  82. Physics

    Three point charges, -6.35 10-9 C, -8.20 10-9 C, and +7.75 10-9 C, are fixed at different positions on a circle. The total electric potential at the center of the circle is -2210 V. What is the radius of the circle?

    asked by Anne
  83. Math

    5(-3x - 2) - (x - 3) = -4(4x + 5) + 13 Answer Multiply factors. -15x - 10 - x + 3 = -16x - 20 +13 Group like terms. -16x - 7 = -16x - 7 Add 16x + 7 to both sides and write the equation as follows 0 = 0

    asked by Andrew
  84. chemistry

    how do i know if the buffering capacity of a buffer solution is lost? Is that when after I add more of an acid or base to the solution that the pH eventually goes past + or - 1 of the original solution?

    asked by laura
  85. physics

    A 2.8 kg gold bar at 99 degrees celcius is dropped into 0.21 kg of water at 23 degrees celcius What is the final temperature? Assume the specific heat of gold is 129 J/kg times degrees celcius. Answer in units of degrees celcius

    asked by help!
  86. FACS - Pen Pal Letter/Picture ID Card Project

    What does a 5" x 8" index card look like?

    asked by Laruen
  87. chem lab

    KMn04 with iron(II) ammonium sulphate hexahydrate-redox titration. 1-what is the purpose of adding H2SO4 to iron sample before the titration? 2-why is there no indicator used to determine the end point for this titration? 3-suggest another possible

    asked by yuni
  88. Chemistry

    A Be3+ ion absorbs a photon with a frequency of 7.31 × 1015 Hz. If the energy of the final state of the Be3+ ion was -3.88 × 10(-18) J, calculate the energy of the initial state. Express answer in scientific notation. My work so far: delta E = (h)(v)

    asked by Kyle
  89. physics

    A(n) 3.91 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest. The composite system moves with a speed equal to one-third the original speed of the 3.91 kg sphere. What is the mass of the second sphere? Answer in

    asked by david
  90. government

    The judiciary's status as an independent branch of national government depends on judicial review, which grants the judiciary the authority to

    asked by Anonymous
  91. statistics

    If the score on a test has a mean of 52 and a standard deviation of 5, what is the z-score for a score of 58

    asked by Anonymous
  92. Analytical Chemistry

    What is the balanced equation for oxidation of iodide ion by oxygen (O2) that occurs which produces iodine.

    asked by kalynn
  93. math

    The CEO of a transportation company wants to use a large amount of cash for the purchase of additional new trucks and trailers rather than paying bonuses to its employees. The new trucks are more productive than the existing trucks or used trucks. The used

    asked by Anonymous
  94. physics

    I am trying to study for my exam i have tomorrow and this type of problem keeps giving me trouble can someone please help me:: A 3.24 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=11.8N at an angle

    asked by Amanda
  95. Chemistry

    Calculate to four significant figures, the energy of a photon emitted when an electron falls from n=5 to n=4

    asked by Kaleen
  96. English

    What is your personal opinion about these scientific objectives to be added to my project on biodiversity in water? Thank you 1)Demonstrate an understanding of: a. biodiversity in different aquatic environments and its sustainable development b. scientific

    asked by Henry2
  97. physics

    Before starting this problem, review Conceptual Example 7. The force vector A has a magnitude of 70.0 newtons (N) and points due east. The force vector B has a magnitude of 111 N and points 71.4 ° north of east. Find the (a) magnitude and (b) direction of

    asked by jim
  98. physics

    A stone is thrown vertically upwards with a speed of 24m/s,two seconds later a second stone is dropped from the same point.Find where the two stones meet

    asked by ceasar
  99. Physics

    A 100 lb crate is being pushed across a wooden floor with a force of 40 lb. If mu=0.3, find the acceleration of the crate.

    asked by Maria Ellah
  100. Computers

    Assume you have a computer that contains 1 GB of memory. It contains four memory slots. Each slot can contain 128 MB, 256 MB, 512MB, 1 GB, or 2GB memory modules. Two of the slots contain 512 MB memory modules. What memory chips would you buy to increase

    asked by Jolie
  101. arithmetic

    Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. 12, –9, 6, –3, ...

    asked by saul
  102. Finance

    Use your knowledge of balance sheets and common-size statements to fill in the missing dollar amounts: ASSETS Cash $25,000 3.4% Accounts receivable $125,000 _____ Inventory _______ 27.1% Total current assets $350,000 ______ Gross plant and equipment

    asked by audrey
  103. Physics

    After rubbing a balloon against someone's hair, a balloon has accumulated a static electric charge. The air inside the balloon has the same density as the air outside of the balloon, and the balloon itself weighs 1.41mN. How many free electrons are there

    asked by Anonymous
  104. Math

    Verify if this is the correct form please. Given the parent function f(x)=log[10]x, state the equation of the function that results from a vertical stretch by a factor of 2/5, a horizontal stretch by a factor of 3/4, a reflection in the y-axis, a

    asked by Lea
  105. math

    math : write an equation that uses 18-?and 10+2.explain how to decide which numbers would make it true.

    asked by Alex
  106. Math

    Can someone please help me on this question or help me get started. (2x^y+x^-y)^3 = (2x^y+x^-y)(2x^y+x^-y)(2x^y+x^-y) = ??? Now what do I do next? please help and thank you

    asked by Mathelp
  107. Trigonometry

    Add and subtract as indicated. Then simplify your answer if possible. Leave answer in terms of sin(θ) and/or cos(θ). (Remember to enter trigonometric powers such as sin2(x) as (sin(x))2.) 1/sin-sin=

    asked by joshua
  108. math

    How many counting numbers between 100 and 1000 have at least one 2 as a digit?

    asked by MATH Help
  109. physics

    If two cars are moving head on toward each other at 88 km/h(55mi/h, and their drivers apply their brakes when they are 85 m apart, will they collide? This is a yes or no answer and explain why

    asked by princessw
  110. Math

    Im stuck plz help If a salesperson earns an annual salary of $ 45,000 plus a 5.5 % commission on his sales,then the equation y = _______________ will express his annual earnings in relation tohis sales x. (a) $45,000+0.055x (b)$45,000 −0.055x (c) 0.055x

    asked by Adam
  111. chemistry

    What is the volume of stock solution of 51 g/L AgNO3 required to make a 50 mL solution of 0.03 M final concentration?

    asked by Kay
  112. Math

    In the figure below, the diagonal line divides the rectangle into halves Which statement about the figure is NOT true? On the rectangle the width is 3cm and the length is 4cm. The line that divides the rectangle is 5cm F. The perimeter of the rectangle is

    asked by Andrew
  113. accounting

    3. On December 1, year 1, Newton Corporation incurs a 15-year $300,000 mortgage liability in conjunction with the acquisition of an office building. This mortgage is payable in monthly installments of $3,600, which include interest computed at the rate of

    asked by herman
  114. college algebra

    on a ship, the distance d that you can see to the horizon is given by d=1.5 square root h, where h is the height of your eye measured in feet above sea level and d is measured in miles. How high is the eye level of a navigator who can see 16 miles to the

    asked by missy
  115. Chemistry

    which is more soluble in water: cyclohexane or glucose?

    asked by Jeremy
  116. Science

    A traffic light turns green, a car accelerate from rest and cover 10m in 4s . What is the acceleration of the car , assume uniform acceleration

    asked by Jimmy
  117. Math-Decimals

    Please match each number with its best example. Some values will need to be changed into a decimal format. A. Recurring Decimal B. Mixed Number C. Non-repeating Decimal D. Finite Decimal E. Decimal Examples: ½ 5½ π 0.375 ⅓ I think 5½ is B and ⅓ is

    asked by Ally
  118. Chemistry

    1) Three factors control the rate of evaporation of a liquid: surface area, temperature, and strengths of intermolecular forces. More than one of the statements given described a correct effect. The statements are (1) the larger the surface area, the

    asked by Hannah
  119. Math

    Brice found the volume of a box by filling the box with 1-inch blocks. Which unit of measure did Brice use to find the volume? A. Inch B. Square Inch C. Cubic Inch D. Centimeter C?

    asked by Andrew
  120. english

    2. Walter Mitty steps into fantasy while he drives his car and begins imagining he be pilot. As he ride past hospital he think he be doctor saving man's life. On street he hears newsboy shouting about trial, he begin think he be on trial for murder. After

    asked by Mohammad
  121. accounting

    Quayle Corporation reports net income of $380,000 and weight-in average of 200,000 outstanding fro the year. Complete the earnings per share of Common Stock.

    asked by bubba
  122. algebra

    Which has a larger perimeter ,a 20-inch by 32-inch rectangle or a 28-inch square

    asked by Macy
  123. Math

    1) Given the universal set U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and sets A = {2, 3, 4, 6}, B = {5, 6, 7, 8, 10}, C = {6, 8, 10}, and D = {1, 2, 7, 9}, answering the following: 1- a) What is A ∪ C? 2- b) What is A ∩ D? 3- c) What is A'∩ (B ∪ C)? 4-

    asked by Dana
  124. Math

    Please match each number with its best example. Some values will need to be changed into a decimal format. A. Recurring Decimal B. Mixed Number C. Non-repeating Decimal D. Finite Decimal E. Decimal Examples: ½ 5½ π 0.375 ⅓ I think 5½ is B and ⅓ is

    asked by Ally
  125. chemistry

    the molecular weight of MgCl2 is 95.21. how much MgCl2 would you need to make up 50 mL of a 1x10^-3 molar solution?

    asked by Anonymous
  126. physics

    You have three identical charged spheres, each with a charge of 2.80 µC. You have arranged them so they are each at the corners of a square that measures 4m on a side. Find the magnitude of the electric field at the "empty" corner. (The corner with no

    asked by CLaire
  127. REFINANCE MATH PROBLEM

    I screwed up the first post with this question so re posting to find some help. A person purchased a 225463 home 10 years ago by paying 10% down and sighning a 30 year mortgage at 8.7% compounded monthly. Interest rates have dropped and the owner wants to

    asked by Phil Rewa
  128. College Physics

    If you square the equation v=v0 + at, you'll have an expression for v2. Equate the two expressions for v2, and show that the resulting equation reduces to the equation x= x0+v0t + 1/2at2.

    asked by Whitney
  129. math

    i have to write seven names for 8. using only numbers less than 10. and use at least three different operations in each name. i have to use parenthesis.

    asked by jared
  130. Finance

    Lever Brothers has a debt ratio (debt to assets) of 40%. Management is wondering if its current capital structure is too conservative. Lever Brothers’ present EBIT is $3 million, and profits available to common shareholders are $1,560,000, with 342,857

    asked by Please help
  131. MATH

    DESCRIBE THE ANGLE SUM THEORY AND HOW THE FORMULA WORKS. HELP ME PLEASE I NEED TO STUDY FOR A TEST

    asked by ALEXIS
  132. Algebra

    I have 100 feet to surround three sides of a rectangle. What is the largest area that I can enclose?

    asked by Anne
  133. Math

    Find the sum of the absolute values of all integral values of X that make the following expression prime: (x^2-5x)^2 - 34

    asked by Axel
  134. math

    Find C if AB x C = AAA

    asked by seema
  135. Calculus I

    We're reviewing limits from the previous chapter, but I'm still having some difficulty with some problems: lim tan(pi(x/4)) as x-> -7 lim (x^2 - x^3(cos(1/x))/3x^2 as x-> 0 I know the answer to the first problem is 1 and to the second problem it's 1/3 but

    asked by Emily
  136. Math

    Geometry- Three streets intersect with one another. East Street runs horizontally,North Street runs vertically and Fourth Street runs diagonally and intersects both East Street and North Street. What geometric figure do the three streets form?

    asked by Bryce
  137. PHYSICS

    Sheena can row a boat at 2.91 mi/h in still water. She needs to cross a river that is 1.24 mi wide with a current flowing at 1.54 mi/h. Not having her calculator ready, she guesses that to go straight across, she should head 60.0° upstream. (a) What is

    asked by Anonymous
  138. Precalculus

    What am I doing wrong? I keep getting 48 and its wrong... Solve 2log(x)-log(4)=3log(4) 2log(x)-log(4) log(x/4)=3log4 log(x/4)=log12 x=48

    asked by Melinda
  139. Science

    On the movie, Bill Nye the Science Guy, what was the seventh energy after thermal, elctrical, nuclear, sound, solar, and chemical?

    asked by Tia
  140. HCA331

    Given all of the information that you have learned about health care education, this assignment challenges you to convey that information to other health care professionals so that they may serve as educators as well. Your challenge is to design a guide

    asked by Susan
  141. math

    find the area of the livingroom the room is 16 feet by 10 feet by 9 feet by 13 feet

    asked by Anonymous
  142. algebra

    How would learning how to solve logical problems, help you in your real life?

    asked by jimmy
  143. physics

    Cora is a passenger in a car traveling east along a country highway that is parallel to a railroad track and clear of any traffic. Her friend Liz is driving. They come up behind the last car of a train on the track. Initially, the train is moving a little

    asked by Kathy
  144. math

    i had cards to write, i wrote 1 third of cards on monday, 2 eighths on tuesday, 1 sixth on wednesday and wrote the remaining 27 cards on thursday. how many cards did i write?

    asked by Diana
  145. physics

    A bomb is dropped from a height of 40m.simultaneously and vertically below it,a second bomb is fired vertically with a velocity of 20m/s.At what distance from the ground do they collide

    asked by ceasar
  146. Math

    When you multiply a whole number by 10, what is always true about the ones place in the product? Answer: It is always zero.. is this correct

    asked by Khrys
  147. Pre-Algebra

    Please let me know if I figured these out correctly. Directions: For the line with the given equation, find the slope of a parallel line and the slope of a perpendicular line. 1)y=6/5x + 144 slope of parallel: 6/5 slope of perpendicular: -5/6 2)4y-4x=16

    asked by Kate
  148. Marketing

    Marketing Mix (Price, Product, Promotion, Place) How does Colgate toothpaste use the marketing mix?

    asked by Sawyer
  149. Math

    1. A chocolate bar is made up of 12 equal pieces.Tom ate 3/4 of a chocolate bar. Sarah ate 2/3 of the same kind of chocolate bar. Tom said he ate more chocolate than Sarah. Is he correct?

    asked by Jayda
  150. math

    what is 2,603,484 rounded to the nearest hundred thousand

    asked by ken
  151. physics

    What is the force of gravity between two 832 kg cars separated by a distance of 29.35 m on an interstate highway?

    asked by Sam
  152. computers

    Assume you have a computer that contains 2GB of memory. It contains four memory slots. Each slot can contain 128 MB, 256 MB, 512MB, 1 GB, or 2GB memory modules. Currently, each slot contains a 512MB memory module. What combinations of memory modules will

    asked by Amber
  153. geography

    Why do mid-latitude depression move from west to east?

    asked by belo
  154. math

    over 8 months,the value of Alana's investments dropped a total of $56. What integer value represents the average monthly change in the value of her investments?

    asked by abby
  155. chemistry

    if you had 120 grams of sugar and all of it decomposed,how many moles of water were decomposed?

    asked by jaquelin
  156. language

    what are 5 verb phases using a main verb and helping verb

    asked by kailee
  157. MATH USM

    Write the following in terms of sin(θ) and cos(θ); then simplify if possible. cos(θ) + sin(θ)cot(θ) =

    asked by kyle
  158. sets

    in a school, 37% of the pupils study principle of accounts and 28% study principal of business. if 15% study both business subjects what percentage of the pupils do not study neither, study P.O.B only and study P.O.A only

    asked by Andrew
  159. chemistry

    How would you go about increasing the buffering capacity of a phosphate buffer? I know that the answer is that you should increase the concentrations of the acid and base equally or increase the total volume of the buffer solution. But can someone explain

    asked by laura
  160. math

    3n+6 If n represents the position of a number in the pattern, which of the following is the pattern of numbers decribed by the expression? f. 1,9,12,15,18 g.6,12,22,36,54 h. 9,12,15,18,21 j. 3,9,12,15,21

    asked by gaby
  161. physics

    3) A truck is traveling at 35 m/s. Because of an obstruction on the road, it is forced to stop. a) If the truck can decelerate at a constant 5.0 m/s2 how long will it take to stop? b) How far does the truck travel before it stops?

    asked by Anonymous
  162. 7th Grade Science

    Can anyone tell me where I can find information for this question. How are proteins synnthesized made?

    asked by Lil TEE
  163. Physics

    A charged particle of mass 6.38x10^-31kg is suspended motionless in the air by an electric field. If the electric field is 7.52x10^-21 N/C downwards, what is the magnitude and sign of the charge of the particle?

    asked by Anonymous
  164. Science

    Examples of seed dispersal Animals carry seeds away carried by the wind animal waste carried by water stuck to fur/clothes Any others?

    asked by Andrew
  165. english

    can anyone please help me? I am having to write an essay on Protecting Freedom of Expression by Derek Bok ,I have come up with a thesis but my teacher says no can some one help me with a arguemental thesis.

    asked by sharon
  166. math

    Tom and kate live 15 miles apart they decide to jog to meet eachother kate left her house and jogged at a rate of 2.5 miles per hour tom left his house at the same time and jogged at a rate of 3.5 miles per hour how long does it take for the two friends to

    asked by Anonymous
  167. math

    The cost of a concert ticket is $28. There are k people in a group who want to go to the concert. Which of the following expressions describes the total amount of money the group will need to go to the concert?

    asked by kalya
  168. english

    5. The purpose they serve be that he be able to deal with a boring, dull existence by using his imagination. He be able to escape his problems by making up fantasies in his mind. Walter Mitty not humourous to himself, he not be humourous to people in his

    asked by Mohammad
  169. Math

    of 250 candidates writing a exam, 147 passed in math,150 pass in chemistry and 85 pass subjects B)calculate the number of students who pass i)pass math only ii)pass chemistry only iii)passed neither iv)pass only one subject

    asked by andrew
  170. Business management class

    here is all my questions with answers.. just to double check my work.. Sue can u please check!! thanks u for all the help!! 1. In a _______, consumers ultimately decide what should be produced. A. macroeconomic system C. free market system B. socialist

    asked by April
  171. programming

    Write pseudocode (using pascal) to accept as input names of an unspecified number of equipment rented, the name of the company, the number of days the equipment was rented for and the sales amount. The algorithm must determine the number of times each type

    asked by John
  172. chemistry

    Calculate the concentration of nitrate ions, NO3- , in mol dm-3, of a solution made by dissolving 2.5000 g of ferric nitrate nonahydrate in water to give 2.000 L of solution.

    asked by Gemma
  173. Physics

    The initial velocity of a 2.04 kg block sliding down a frictionless inclined plane is found to be 1.24 m/s. Then 1.23 s later, it has a velocity of 6.70 m/s. What is the angle of the plane with respect to the horizontal? im lost.....

    asked by Bruce
  174. Trig

    Write the following in terms of sin(θ) and cos(θ); then simplify if possible. csc(θ) - cot(θ)cos(θ) =

    asked by DALE
  175. physics

    A +5 microcoulomb charge experiences a .55 N force in the positive y direction. If this charge is replaced with a -2.7 microcoulomb charge, find the magnitude of the force in this case.

    asked by jdubya
  176. Calculus III- Please Help

    2. Use the properties of the dot product to show that (⃗b·⃗c)a−(⃗a·⃗c)⃗b is perpendicular to ⃗c. Must be shown for arbitrary vectors. I have tried to assign each vector (b,a,c) arbitrary identities with unit vectors i,j,k, but I'm really

    asked by Joy
  177. Math

    In the number 22! determine the largest prime factor.

    asked by Erik
  178. MATH

    f(x)=x/x^2 – x simplify g(x)=????helppp

    asked by Anonymous
  179. Precalculus

    Evaluate log(base4)8 + log(base4)(1/8 log(base4)=(8x1/8) =1 I got 1 but the back of the book says 0...?

    asked by Matthew
  180. English 7 - Journal Entry Assignment

    I have an another journal entry assignment for english this week. Topic - Dicuss a time when you made a decison to do something (Determination), and perservered as a result. What does the topic means????

    asked by Laruen
  181. Business management class

    Typically, the quantity of products people are willing to buy will _______ when prices _______. A. increase; increase C. decrease; increase B. stay the same; increase D. increase; stay the same my answer is C

    asked by April
  182. chemistry

    how many grams of oxygen are needed to create 437 liters of gas?

    asked by larry
  183. accounting

    On December 1, Nautilus corporation borrowed $90,000 from a bank and signed a 10%, 90-day note payable in the amount of $90,000. The December 31 adjusting entry will be:

    asked by herman
  184. Math

    Ms. Perez has a crate has 24 pieces of fruit . 1/2 are oranges, 1/4 are mango's and 2/8 are pineapples. How many oranges are there, how many mango's and how many pineapples?

    asked by Gabe
  185. Maths

    4x-2=14x-92

    asked by Jo
  186. physics

    A child drops a coin from the window of a house.it strikes the ground 0,8s later.what is the magnitude and direction of the coin's acceleration? Describe how the velocity of the coin changes as it falls.

    asked by Lesego
  187. PHYSICS

    A tennis ball is thrown horizontally from an elevation of 20.60 m above the ground with a speed of 21.0 m/s vertical m from ground??? f the ball is still in the air, how long before it hits the ground? (If the ball is not in the air, enter 0.)???? If the

    asked by Anonymous
  188. algebra

    When using the quadratic formula, why is only necessary to examine the discriminant to determine if the equation only has real number solutions?

    asked by jimmy
  189. physics

    a force of 5 N is required to slide a block at constant speed over the dry surface of a table. The block has a mass of 2.5 kg. The coefficient of friction is..

    asked by Mariana
  190. Functional Dependencies

    List all the functional dependencies found in the spreadsheet. List all the multi-valued dependencies found in the spreadsheet. Assumptions •No two makers produce a car with the same model •The color does not play a part in the MSRP •No two models

    asked by Frank Aniston
  191. history

    Discuss the importance of landscape in crafting battle strategy for both the French and the English. HELP PLEASE!

    asked by brittney
  192. math

    Ms.fuller has 2 and 2/6 pies left over from her party. write the number of pies left over as a fraction greater than 1

    asked by Brianna Wright
  193. bilology

    peroxidase cannot be used to break down chemicals such as starch. why?

    asked by val
  194. Trig

    Solve 5^2x -4(5^x)=12

    asked by Lea
  195. physics

    At what speed do you approach your image if you walk towards a plane mirror at 1 m/s ? I am not looking for this to be answered for me. I am just looking for how to figure it out. Is there a specific formula to use?

    asked by Jonathon
  196. social studies

    In 1801 Washington, D.C., was located in the center of the country. Where is the center now?

    asked by stephanie
  197. Math

    Jhonatan ate 9/12 of a hotdog, he saved 4/9 of it for his little sister. How much of the hot dog did his little sister eat?

    asked by Jayda
  198. Social Studies

    How does jefferson's policies of cutbacks as president compared to today?

    asked by Noun
  199. PRE-ALGEBRA

    How do you solve these inequalities? -2(4k-3)=5(2k)-(-7) 6(2a-3)-3(a-4)=16 3r-2=-4(2-r)-5r+8 -3(c-10)-c=19-5c

    asked by CRYSTAL
  200. Calculus

    Consider the function f(x)=2x^3+4x^2+3, and let c be a number in the interval [0,1]. For what values of k is there a c in the interval such that !@#$%^&?

    asked by Anonymous
  201. social studies

    Was Ponce de Leon the first European explore to explore land that became prt of the United States?

    asked by Dakota
  202. Business management class

    In general, a person who owns and operates his or her own business can be thought of as a/an A. entrepreneur. C. gambler. B. manager. D. pioneer. my answer is A Consider two used-car dealers: Bob’s Better Wheels and Dewey, Cheatum, and Howe Motors. Their

    asked by April
  203. physics

    A 0.58 kg football is thrown with a velocity of 15 m/s to the right. A stationary receiver catches the ball and brings it to rest in 0.017 s. What is the force exerted on the receiver? Answer in units of N

    asked by marc
  204. physics

    Two carts with masses of 4.3 kg and 3.0 kg move toward each other on a frictionless track with speeds of 5.7 m/s and 4.4 m/s, respectively. The carts stick together after colliding head-on. Find their final speed. Answer in units of m/s

    asked by jessy
  205. set

    of 250 candidates writing a exam, 147 passed in math,150 pass in chemistry and 85 pass subjects B)calculate the number of students who pass i)pass math only ii)pass chemistry only iii)passed neither iv)pass only one subject

    asked by Andrew
  206. Social Studies

    Which was the last of the Ivy League schools to admit women?

    asked by Brayden
  207. ELA

    Find the prepositional phrase in each sentence 1. There was a town that did without television. Answer:without television 2. Most people in town stopped watching TV. Answer:in the town 3. They did not watch television for a whole week. Answer:for a whole

    asked by Andrew
  208. Chemistry

    What is the empirical formula if given c-.1929 h-.01079 o-.08566 cl-.1898

    asked by J
  209. human services

    please tell me if I am correct: a data collection method could be a face to face interview or an observation and a data collection instruments are summary report forms, questionaries, and behavioral diaries? Also could you explain to me what managerial

    asked by Anonymous
  210. Language

    3 disadvantages for town crying

    asked by Drew
  211. statistics

    A population is normally distributed with a man of 100 and a standard deviation of 15. is it unusual for themean of a sample of 3 to be 115 or more? Why or why not?

    asked by Donna
  212. english

    when identifying sentences, what does cx mean

    asked by joshua williams
  213. Business management class

    In global trade, when the difference between money coming into a country from exports and money leaving a country due to imports or money flows from other factors is known as the A. balance of payments. C. balance of trade. B. trade offset. D. trade

    asked by April
  214. physics

    You have three identical charged spheres, each with a charge of 2.80 µC. You have arranged them so they are each at the corners of a square that measures 4m on a side. Find the magnitude of the electric field at the "empty" corner. (The corner with no

    asked by CLaire
  215. french

    can anyone unscramble the letters please.... rtepasn, ipocne, liflmae

    asked by jack
  216. math

    you have two bikes that have same reaction times,one runs a 6.o with 140 60 foot the other runs 5.9 with 150 60 foot.who wins?

    asked by daryl
  217. Math

    Can someone help me with this: (x^2y^(-2)-y^2x^(-2))/(xy^(-1)-yx^(-1)) Please and thank you

    asked by Anonymous
  218. Algebra

    Given the function f(x)=2x²-7x+4,find f(10)=? *2x squared

    asked by Haley
  219. physics

    At what speed do you approach your image if you walk towards a plane mirror at 1 m/s ? I am not looking for this to be answered for me. I am just looking for how to figure it out. Is there a specific formula to use?

    asked by Jonathon
  220. Biology

    What is the name for an environmentally sensitive species? Its for a crossword and I can't find the term anywhere. Help would be appreciated!

    asked by Jill
  221. physics

    Can anyone explain this to me? Is it correct to say that the difference in the patterns produced by monochromatic and white light is caused by the fact that monochromatic light waves interfere with each other when they pass through a diffraction

    asked by Jonathon
  222. Physics

    Derive an expression for the vertical position of a projectile in terms of its horizontal position. This sometimes called parametric equation or path equation for the projectile. I don't know how to get it please help. Thank you.

    asked by Natasha
  223. math

    Write the following in terms of sin(θ) and cos(θ); then simplify if possible. sec(θ) / tan(θ) =

    asked by thomas
  224. Math

    Show why the below equation is true using the areas of rectangles: 2p+5p=(2+5)p 3(4-1)=3x4-3x1

    asked by Nate
  225. algebra

    Suppose that a quadratic equation had two x-intercepts. How could you use the intercepts to find the vertex?

    asked by jimmy
  226. Physics

    Can a vector have a component equal to zero and still have a nonzero magnitude? Explain.

    asked by qwertzuiop
  227. Physics

    You are keeping pace with another runner, at 4 minutes per mile, but are 16 m behind her when she is 130m from the finish line.At what pace will you be running at the finish? *Express your answer using two significant figures.

    asked by Whitney
  228. math

    Marie measured angle KLM.She said it was 60 degrees.What mistake did she make?

    asked by Destiny
  229. math

    From an exteror point P that is h units form a circle of radius r, a tangent line is drawn to the circle. Let d denote the distance from the point P to the point of tangency T. Express d as a function of h.(HINT: if C is the center of the circle, the PT is

    asked by brittany
  230. Finance

    I am working on an assignment in which I need to put together a pro forma balance sheet. At the end of the assignment, I need to find the predicted values of accounts for the upcoming year. In 2011, Notes Payable was 11.28 million; Long Term Bonds were 7

    asked by Jessica
  231. chemistry

    Why must thiosulfate solution be standarized every couple of days? Please explain with an equation. Thanks.

    asked by kalynn
  232. physics

    A particle leaves its initial position x0 at time t=0 moving in the positive x direction with speed v0 but undergoing acceleration of magnitude (a) in the negative x direction. Find expressions for a) the time when it returns to the position x0 and b) its

    asked by princessw
  233. physics

    what net force is needed to accelerate a 2.0kg mass from rest to a velocity of 10m/s in 5.0s

    asked by alkhalid
  234. intro law enforcement

    date 9-22-08 fire in a lawyers office main st, ridgefield ct art work was smashed chairs, papers, and curtains started a fire ( match started it) building is empty over night .5 miles from downtown district 1st fire in a chain from arsonist left a law book

    asked by mike
  235. physics

    i walked from four miles in the direction of 30 celisus south of east, then from there i walked 3 miles to west. from there i walked 5 miles directly toward north. hw far away am i from home?' A: USE PARALLEO=LOGRAM GRAPHING METHOD. B: USE CALCULATION

    asked by LULU
  236. physics

    i walked from four miles in the direction of 30 celisus south of east, then from there i walked 3 miles to west. from there i walked 5 miles directly toward north. hw far away am i from home?' A: USE PARALLEO=LOGRAM GRAPHING METHOD. B: USE CALCULATION

    asked by LULU
  237. wchs

    A checkerboard measures 144 square inches. What is the length of a small square on its side? Hint: It has 8 squares per edge.

    asked by Clara
  238. algebra

    for the algebraic function described by the expression x^2+2x-6 and written as the function f(6) = x^2+2x-6, what is the evaluation of f(6)?

    asked by natalie
  239. English

    Can you please have a look at these few sentences? I urgently need to know if they are right. 1)It would be nice if my students from the ninth class could start emailing to your students to practice their English. 2) They already keep a diary about their

    asked by Henry2
  240. math

    3square root of 18 + 3 square root of 12 + 2square root of 27 =

    asked by Janae
  241. Math

    If 72% of Americans have straight hair, 76% have brown eyes, 87% are high school graduates, and 88% are less than 6 feet tall, what is the minimum percentage of Americans who have all four attributes?

    asked by Theo
  242. MATH

    lim_(x->59)(sqrt(x+5)-8)/(x-59)??

    asked by Anonymous
  243. Precalculus

    Given the parent function f(x)log(base10)x, state the equation of the function that results from a vertical stretch by a factor of 2/5, a horizontal stretch by a factor of 3/4, a reflection in the y-axis , a horizontal translation 2 units to the right, and

    asked by Melinda
  244. Math

    f(x)=x/x^2 – x find limit??? Pleaseee thnks

    asked by Anonymous
  245. Precalculus

    1.Solve 5^(2x) -4(5^x)=12 2. Solve Log[8](log[8]x)=0

    asked by Lea
  246. physics: Torque

    1. A plank of negligible weight 3.5 m long rests with one end on a rock and the other end on a scale. A woman is standing on the plank 1.0 m from the rock making the scale read 120 N. How much does the woman weigh?

    asked by neesa
  247. Pre-Algrebra

    I have to solve the equation s=g+h and am totally clueless as to how to even start. Please help explain. Thank you.

    asked by Samantha
  248. Vector Calculus

    2. Use the properties of the dot product to show that (⃗b·⃗c)a−(⃗a·⃗c)⃗b is perpendicular to ⃗c. Must be shown for arbitrary vectors. Im sorry, I'm really stuck on this. I know that is a vector is perpendicular to another their dot product

    asked by Lizz
  249. Business management class

    Often, the _______ the risk, the _______ the rewards. A. higher; higher C. higher; lower B. lower; higher D. faster; quicker my answer A

    asked by April
  250. Precalculus

    Find the bounds on the real zeros of the following function. Please show all of your work.f(x)=x^4+2x^3-x^2-1

    asked by Deb
  251. Business management class

    When the government of Indonesia imposes a tax on imported electronics products to help its young electronics industry compete in the global marketplace, it’s imposing a/an _______ on foreign electronics products. A. import quota C. embargo B. protective

    asked by April
  252. physics

    A rock is thrown off a cliff in the horizontal direction at a speed of 2.4 m/s. What is the magnitude of its vertical speed 0.38 s later?

    asked by muhammad
  253. Math

    Dan ran 9 3/4 miles on Saturday and 7 1/10 miles on Sunday. How many miles did he run on Sunday.

    asked by Gene
  254. algebra

    what is 2m minus 30 divided by 2

    asked by Anonymous
  255. ENglish

    Can you look over this esssay and tell me what grade you think it deserves?

    asked by ronnie
  256. english/ help rewording a paragraph :)

    Hello! I was wondering if anyone could kind of re word this for me? I'm going through an essay that I've just finished writing up, and I was hoping that this part could be reworded? Anyways, thank you ahead of time! :) Going to school where personal image

    asked by Amy
  257. statistics

    The following data lists the average monthly snowfall for January in 15 cities around the US: 26 6 5 45 44 10 39 33 15 33 11 36 36 4 32 Find the mean, variance, and standard deviation. Please show all of your work.

    asked by Anonymous
  258. Trig

    Solve Log[8](log[5]x)=0

    asked by Jody
  259. Biology

    I have a question and I'm not sure if my answer is correct? The heart is supplied with blood by: diffusion through heart wall right and left cardiac arteries arteries that branch directly from pulmonary arteries arteries that branch directly from aorta I

    asked by Jasmine
  260. Chemistry

    A light photon with a frequency of at least 0.0373 × 1016 Hz is required to split apart diiodine according to the equation: I2(g) → 2I(g) Calculate the energy (kJ) required to break apart a mole of diiodine. Express answer in scientific notation. I got

    asked by Kyle
  261. science

    How much total, KE and PE does a roller coaster have when it has a mass of 750 kg, and is 5m above the ground?

    asked by Ben
  262. science

    how does the thinning of the ozone layer protect your health?

    asked by dina
  263. science

    what is hydrocarbon i think its water but im not sure pls help Lol

    asked by fsktttekmhfgm
  264. Reading

    What is a 6th grade definition for the word "Seraph"

    asked by Juliana
  265. College Hca 210

    Write a 350- to 700-word paper on one of the following laws: HIPAA (1996) or EMTALA (1986). Pretend you are a health care manager employed at a small community hospital responsible for educating your staff about HIPAA (1996) or EMTALA (1986). Include the

    asked by Karen
  266. finance

    A speculator sells a stock short for $55 a share. The company pays a $2 annual cash dividend. After a year has passed, the seller covers the short position at $45. What is the percentage return on the position (excluding the impact of any interest expense

    asked by ro
  267. algebra

    When using the quadratic formula, why is only necessary to examine the discriminant to determine if the equation only has real number solutions?

    asked by jimmy
  268. hss

    need help to do a project on louise pasture

    asked by caitlyn
  269. english

    When an actor alone on the stage delivers a speech, the speech is called a : A) monologue B) dialogue C) soliloquy D) dialect ....my answer is (a) please help me

    asked by cheddie
  270. math

    Our big black cat had some kittens, one was white one was black and one was tabby. How many cats lived in our house?

    asked by Joe
  271. law

    __________ succession refers to what happens to the deceased's property when she dies without a valid will. A. Holographic B. Valid C. Testate D. Intestate is it D

    asked by Andy
  272. law

    If there are surviving children of the decedent and any of them are not children of the surviving spouse, the spouse gets __________ percent of the estate. A. thirty B. thirty-three C. fifty D. one hundred is it C

    asked by Andy
  273. physics

    Can anyone explain this to me? Is it correct to say that the difference in the patterns produced by monochromatic and white light is caused by the fact that monochromatic light waves interfere with each other when they pass through a diffraction

    asked by Jonathon
  274. math

    how would you test to see whether 7 is a factor of 291?

    asked by Gabby ( 5 grade)
  275. math

    Scott made a quadrilateral. Three of the angles of his quarilateral have a mesure of 112, 98, and 52. What is the measure of the fourth angle?

    asked by stephanie
  276. statistics

    If I need to validate 900 results, what percentage must I check to have 95% confidence the results are correct?

    asked by art
  277. critical thinking

    8. Summarize the steps you completed while evaluating both sides of your topic.

    asked by Anonymous
  278. math

    determine the ratio for the following drugs and simplify to the lowest term possible. 1. 750 mg tablet of clarithromyan 2. 125 mg of amoxicillin in 5 ml 3. 300 mg raniticline in 2 ml

    asked by tanijah
  279. CHEM.

    How does the surface tension of water compare with the surface tensions of most other liquids? a.)It is lower. b.)It is about the same. c.)It is higher. d.)It is higher when a surfactant is added. i think its C or D.

    asked by Lexi
  280. physics

    Suppose you cut a small gap in a metal ring (Figure A). If you heat the ring, will the gap become wider o r narrower

    asked by sabina
  281. MATH

    -3√5 - √6 - √5 =

    asked by Janae
  282. math 7th grade

    What does it mean to ring four integers that yield a sum. The sum is 2.

    asked by miranda
  283. Reading

    Helping my son with a book project, what is a plot paper bag or plot mobile?

    asked by Deana
  284. algebra

    sara ran 1 2/5 miles around track. this was 5 /8 of distance around the whole track. what is the distance around the track?

    asked by denny
  285. English

    I left out the following sentences. Thank you. 1) prepare them to become successful individuals thus increasing their job opportunities in a more and more globalized world 2) increase students’ reading skills which they will require to analyse and

    asked by Henry2
  286. math

    Write the following in terms of sin(θ) and cos(θ); then simplify if possible. sec(θ) / tan(θ) =

    asked by David
  287. Business Finance

    The property of Al's garage is worth $300,000. Al has a fire insurance policy of $180,000 that contains an 80% coinsurance clause. What will the insurance company pay on a fire that causes $210,000 damage? If Al met the coinsurance requirement, how much

    asked by Renee
  288. geography

    Where do fronts develop

    asked by belo
  289. geography

    Why do mid-latitudes depression dissipate?

    asked by belo
  290. chemistry

    what causes the the fermentation of wine?

    asked by Vlera
  291. english

    3. Mitty reveals about himself that he be brave in his imagination when he says, "We only live once, sergeant...Or do we?". I real not get this question my understanding level be low this.

    asked by Mohammad
  292. MATH!

    Add and subtract as indicated. Then simplify your answer if possible. Leave your answer in terms of sin(θ) and/or cos(θ). sinθ+ 1/cosθ

    asked by ?????
  293. calculus

    actually an ODE question(but there's no diff. eq. subforum) (y^2)(dy/dx)+y^3/x =2/x^2 using substitution u(x)=y^3 so I've been doing a few of these and getting them all wrong and this problem... I don't know where to start. I tried

    asked by bob
  294. Math

    Which of the following would require finding the area? A. Determining the number of sugar cubes in a box B. Determining the amount of paper needed to cover a bulletin board C. Determining the length of trim needed to go around the edge of a bulletin board

    asked by Andrew
  295. physics

    a force of400.0 is exerted on a 1250 N car while moving it a distance of3.0 m. how much work was done on the car

    asked by Anonymous
  296. Algebra 1

    -square root of 27 - 3square root of 45-square root of 20+2square root of 45

    asked by Janae
  297. trigmsu

    csc(θ) / cot(θ)

    asked by josh
  298. Business management class

    The _______, created in 1995, is assigned the task of mediating international trade disputes. A. EU C. GATT B. WTO D. NAFTA my answer is D

    asked by April
  299. statistics

    random samples of 40 drivers average commuting time 0.05 level of significance standard deviation 7.2 and 9.1

    asked by Anonymous
  300. english

    4. Satisfaction is given to Mitty in his last daydream by he thinking he ended all his problems. Trend comparing first dream to last dream is that he starts out being brave man then at end of dream he gets executed.

    asked by Mohammad
  301. calc2

    Use L’Hopital’s rule to find the limit of this sequence (n^100)/(e^n) ...If you do L'Hop. Rule it would take forever, right? You would always get an (e^n) at the bottom and will have to use the L'Hop. rule 100 times to find the limit...100*n^99,

    asked by lola
  302. accounting

    Who would you say benefits more when a company prepares accurate and truthful financial statements?

    asked by Anonymous
  303. FORMULA

    CIRCUMFERENCE FORMULA

    asked by CIRCUMFERENCE
  304. math

    what is the value of 3/14 rounded to the nearest fouth.

    asked by joanne
  305. home economics

    Suppose the City of Klamath is considering plans to build a dam on the Klamath River. There are currently social benefits to the recreational fishermen who use the river to catch salmon. The dam would be source of revenue, as it would create hydroelectric

    asked by Ryan
  306. physics

    A force of 7.36 N acts on a(n) 2.1 kg object for 24.7 s. What is the object’s change in momentum? Answer in units of N · s What is its change in velocity? Answer in units of m/s

    asked by dimitry
  307. Math

    Can someone help me get started on this question? x^2y^(-2)-y^2x^(-2)/xy^(-1)-yx^(-1) Please and Thank you

    asked by Anonymous
  308. physics

    You are on a train that is traveling at 3.0 m/s along a level straight track. Very near and parallel to the track is a wall that slopes upward at a 12° angle with the horizontal. As you face the window (0.86 m high, 2.0 m wide) in your compartment, the

    asked by mandy
  309. Probability

    4,915 people were surveyed about their recent purchases. 1,027 of those people surveyed bought a lawn mower within the last year, 918 bought a snow blower within the last year, and 3,387 didn’t buy either of the two. a) How many people bought a lawn

    asked by Nick
  310. Social Studies

    What King's monument and tomb can be found in the city of Aachen at the Cathedral?

    asked by Brayden
  311. math

    9+5{4x + 4}

    asked by felicia
  312. calc

    if lebron is better than kobe. then lebron would have averaged more points than kobe in the lakers offence right??? yay or nay

    asked by jim
  313. Chemistry - Naming Compounds

    Name the following compound. Ba3Pb2 I don't really understand since both the elements are metals and usually these bonds occur with a metal and nonmetal or two nonmetals.

    asked by k
  314. calculus

    Find the volume of the solid bounded by the curves y = 4 - x^2 and y = x revolved about the x axis.

    asked by Anonymous
  315. Contemporary Communication

    What makes a good person a communicator?

    asked by Tina
  316. government

    Compared to Supreme Court nominations, those for the lower federal courts

    asked by Anonymous
  317. World History

    what is "volunatary allegiance of colonists to the crown" and why was it taken out of the Declaration of Independace?

    asked by Anonymous
  318. social studies

    An unintended consequence of World War II was the creation of the nation of Israel in order to A. Provide a buffer zone between the West and Communist East. B. Establish a Jewish homeland. C. Create a refuge for Germans who lost their homes during World

    asked by anonymous
  319. Precalculus

    What are the restrictions on the variable in the equation log(3x-5)-log(x-2)=log(x^2-5)? 5/3, 2, ???

    asked by Melinda
  320. Business management class

    5. The trend toward two-family income has led to A. policies allowing only one family member to work for a company. B. flexible work schedules, pregnancy benefits, and elder-care programs. C. businesses paying lower wages and hiring fewer workers. D. fewer

    asked by April
  321. calculus

    find the integral of e^x/[(e^x-3)(e^x+4)] dx

    asked by help please
  322. languagge

    Where do honey bears live like which country?

    asked by help please !!!!!!!!!!!!!!!!!!!!
  323. Math

    Right ∆ABC has vertices at A(−5, 0), B(0, 0) and C(0,12). What is the volume of the solid figure formed when ∆ABC is rotated about side BC? Express your answer in terms of ð.

    asked by Kentucky
  324. geometry

    Plot the points (2,4), (-1,4) and (2,1) and connect them to form a triangle. What rule would you use to translate the triangle 5 units to the right? Write your rule in the form H(x,y) = (?,?). Draw the translated figure and label its coordinates.

    asked by Anonymous
  325. Chemistry

    Perform the following calculations to the correct number of significant figures. (89.6-23.981)/0.0047

    asked by Josie
  326. Algebra 2

    A bag contains 5 red, 9 white, and 10 blue marbles. Suppose you choose a marble from the bag and then choose another marble without replacing the first one. Find the probability of picking the same color both times.

    asked by Katy
  327. Algebra

    A grandmother is looking for a plan to finance her new grandchild’s college education. She has $25,000 to invest. Search the internet and locate a long-range investment plan, CD, Savings Bond, etc, for the grandmother. The plan is to earn compound

    asked by Betty
  328. ms. sue

    ms. sue u be able to help me with english or not?

    asked by Mohammad
  329. Math

    Two students, Jim and Joan, are registered for the same class and attend independently to each other, Jim 91.9% of the time and Joan 84.3% of the time. What is the probability that on any given day a) at least one of them will be in class? b) neither will

    asked by Ashley
  330. chemistry

    V(CH3OH)= 2 litres ρ(CH3OH) = 0,80 g/ml v(O2) - ? (How much O2 is it needed to burn with 2 litres of CH3OH?)

    asked by Evelina
  331. English

    I really need you to check these sentences. Thank you very much! 1) I fell off (do you need a word afterwards, e.g. my bike) and I bruised my knee. I cleaned the wound under running water, then I dried the area and I put a dressing (a bandage over it)/I

    asked by Henry2
  332. Precalculus-Verify

    log(base2)x-log(base2)6= log(base2)5+ 2log(base2)3 log(x/6)=3log15 (x/6)=15^3 6*(x/6)=15^3*6 x=15^3*6 =20,250 Answer is 270.... What did I do wrong...

    asked by Melinda
  333. English

    Hello Can you please come up with a few questions on the following topic: my free time I need to have a few questions which I would answer and in that way write my essay. But I am totally out of ideas :/

    asked by Mark
  334. science

    V(CH3OH)= 2 litres ρ(CH3OH) = 0,80 g/ml v(O2) - ? (How much O2 is it needed to burn with 2 litres of CH3OH?)

    asked by Evelina
  335. physics

    Can anyone explain this to me? Is it correct to say that the difference in the patterns produced by monochromatic and white light is caused by the fact that monochromatic light waves interfere with each other when they pass through a diffraction

    asked by Jonathon
  336. statistics

    The following data lists the average monthly snowfall for January in 15 cities around the US: 20 9 35 46 44 17 32 25 30 14 28 14 9 15 20 Find the mean, variance, and standard deviation. Please show all of your work.

    asked by Tywania
  337. physics

    At what speed do you approach your image if you walk towards a plane mirror at 1 m/s ? I am not looking for this to be answered for me. I am just looking for how to figure it out. Is there a specific formula to use?

    asked by Jonathon
  338. english

    In the springtime ,the mosquitoes.really annoy,really aggreate, really irritate

    asked by Marline
  339. Mathematics

    2/5g = 3/5 Thanks

    asked by Susana