Questions Asked on
November 7, 2014

  1. math

    Mrs. Clarkson designed a rectangular garden with a length of 15 meters and a width of 8 meters. She plans to build a walkway through the garden from one corner to the next. What measure is closest to the length of the diagonal walkway?

    asked by somebody help i am new
  2. chemistry due soon

    Which reaction shows that the enthalpy of formation of CS2 is Hf = 89.4 kJ/mol? A. C(s) + 2S(s) CS2(l) + 89.4 kJ B. C(s) + 2S(s) + 89.4 kJ CS2(l) C. C(s) + 2S(s) + 89.4 kJ CS2(l) + 89.4 kJ D. C(s) + 2S(s) CS2(l) I think the answer is a or b

    asked by Morgan
  3. chemistry

    Which of the following is a fluorinated hydrocarbon? Which of the following is a fluorinated hydrocarbon? carbon tetrachloride teflon DDT chloroform

    asked by Shatoya
  4. economics

    What was Marx's purpose in writing this essay? Does he succeed in getting his point across?

    asked by 2phoneeeeee
  5. Science Help!!!!

    Which sequence of processes must occur for an atom of carbon to go from a car to a tree? A. Resperation, decomposition B. Combustion, photosynthesis C. Fossilization, decompisition D. Fossilization, photosythesis Is the answer B? Thanks

    asked by butterfly
  6. english

    The fishing having become so poor, we packed up camp and moved to another lake. past participial phrase noun clause adverb clause nominative absolute elliptical clause

    asked by marie
  7. economics

    Do Marx's claims about estrangement and alienation still hold true today? Explain. not sure

    asked by 2phoneeeeee
  8. economics

    Are there some jobs that don't fit Marx's claims? If so, what are they, and why don't they lead to estrangement and alienation? If not, why are estrangement and alienation part of all forms of labor? i said not estrangement and alienation are part of all

    asked by 2phoneeeeee
  9. Calculus

    A large container has the shape of a frustum of a cone with top radius 5 m, bottom radius 3m, and height 12m. The container is being filled with water at the constant rate 4.9 m^3/min. At what rate is the level of water rising at the instant the water is 2

    asked by Jennifer
  10. Physic

    A penny on its side moving at speed v slides off the horizontal surface of a table a vertical distance y from the floor. a) Show that the penny lands a distance v√(2y/g) from the base of the coffee table. b) If the speed is 3.5 m/s and the coffee table

    asked by Kay
  11. science help!!!!!!!!!

    You are creating a carbon cycle poster. In which way would you draw the arrows to show the movement of carbon through the process of resperation? A.from the rock to the air B.from the rock to the grass C.from the air to the wolf D. From the wolf to the air

    asked by butterfly
  12. Spanish

    Sra. do my answers look correct? Querida Abby… Complete el párrafo abajo por escoger una palabra lógica de la lista siguiente para llenar los espacios en blanco. Querida Abby, Tengo un problema. No sé qué debo ___(1)____. Recientemente, mi novio ha

    asked by Anna
  13. Math

    sec 7pi/4 without a calculator Find the exact answer

    asked by Randy
  14. p e

    Which of the following is NOT a warning sign of depression that may lead to suicide? A. Being sad about your friend moving away 3 weeks ago B. A change in appetite for the last 3 months C. Difficulty concentrating this semester D. Quitting the 4-H club

    asked by somebody help i am new
  15. English

    Sympathy by Paul Laurence Dunbar I KNOW what the caged bird feels, alas! When the sun is bright on the upland slopes; When the wind stirs soft through the springing grass, And the river flows like a stream of glass; When the first bird sings and the first

    asked by Sarah(please check my answers)
  16. Math

    A company's sales are seasonal with the peak in mid-December and the lowest point in mid-June. The company makes $110000 in sales in December, and only $30000 in June. A) Find a trigonometric function, s=f(t) , representing sales at time t months after

    asked by Sarah
  17. Physics

    A target lies flat on the ground 4 m from the side of a building that is 10 m tall, as shown below. The acceleration of gravity is 10 m/s2 . Air resistance is negligible. A student rolls a 4 kg ball off the horizontal roof of the building in the direction

    asked by Matt
  18. P.E. help please

    True or false- The primary location for digestion to occur is in the stomach. Is the answer true???

    asked by butterfly
  19. Math Trig Please Help!!!

    Find exact values for all the solutions to the equation cos theta = sqrt 3/2 for -2pi

    asked by George
  20. Chemistry

    1.Calculate the density of oxygen, O2, under each of the following conditions: STP 1.00 atm and 20.0 ∘C 2.To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.3-L bulb, then filled it with the gas at

    asked by LO
  21. physics

    A steel ball of mass m=5 g is moving at a speed of 250 m/s toward a large mass M=2.2 kg which is connected to a relaxed spring, as shown below. When the ball reaches the large mass it collides and bounces off without losing any kinetic energy. The large

    asked by joan
  22. chemistry

    How do carboxylic acids and esters differ in chemical structure? Check all that may apply. Esters have a hydroxyl group. Esters have a carboxyl group. Esters have a carboxyl group and hydrogen linkage off the alpha carbon. Esters have a carboxyl group and

    asked by Lauren
  23. physics

    Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of

    asked by Anonymous
  24. chemistry

    8.00g of NaOH are dissolved in water to make 4.00L of solution. What is the concentration of hydronium ions, [H3O+], in this solution? Express your answer with the appropriate units.

    asked by Anonymous
  25. social (fifth grade)

    another name for the deck boys on columbus's fourth voyage

    asked by Lakshmi
  26. AP CALC. AB

    Please help me with this problem and please walk me through each step i am really confused. Sand is falling from a rectangular box container whose base measures 40 inches by 20 inches at a constant rate of 300 cubic inches per minute. a) how is the depth

    asked by Rachel
  27. chemistry

    How do carboxylic acids and esters differ in odor? Check all that apply. Esters smell sweeter, often fruity. Carboxylic acids have often not very pleasant smelling. Carboxylic acids smell sweeter, often fruity. Esters have often not very pleasant smelling.

    asked by Lauren
  28. science help!!!!!!!!!

    Carbon dioxide is obtained from the air and changed into carbohydrates and oxygen during the process of A. Fossilization B.resperation C.digestion D.photosynthesis Is the answer B?

    asked by butterfly
  29. communication

    What are the four principles of verbal communication?

    asked by Dee365
  30. economics

    Does Marx's essay help illuminate any of your own work experiences? Can you relate to his discussion? Why or why not? what if i don't have any work expericence could i just said that or is it talking about another work

    asked by 2phoneeeeee
  31. Calculus (math)

    A painting in an art gallery has height h and is hung so its lower edge is a distance d above the eye of an observer (as in the figure). How far from the wall should the observer stand to get the best view? (In other words, where should the observer stand

    asked by mariel
  32. science help!!!!!!!!!

    Which sequence of processes must occur for an atom of carbon to go from car to a tree? A.resperation, decomposition B. Combustion, photosynthesis C. Fossilization, decomposition D. Fossilization, photosynthesis Is the answer B?

    asked by butterfly
  33. math help

    Steve plants ten trees every three minutes. If he continues planting at the same rate, how long will it take him to plant 2500 trees? Express answer as a decimal in terms of hours.

    asked by Rella
  34. physics

    Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of

    asked by Anonymous
  35. Calculus (math)

    A boat leaves a dock at 2:00 P.M. and travels due south at a speed of 15 km/h. Another boat has been heading due east at 20 km/h and reaches the same dock at 3:00 P.M. How many minutes past 2:00 P.M. were the boats closest together?

    asked by mariel
  36. Physics

    block of mass 3.5 kg slides down frictionless incline that is 10 m long and inclined at angle of 37 when reaches bottom of incline it collides perfectly inelastically with another block of mass 2 kg then slides along a level floor if coefficient of

    asked by Anonymous
  37. physics

    Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of

    asked by Anonymous
  38. chemistry

    Which of the following is a feature of an aromatic compound? Which of the following is a feature of an aromatic compound? It has a strong aroma. Its formula contains only six carbon atoms. It contains a benzene ring. It contains only carbon-carbon double

    asked by Shatoya
  39. Physics Science

    How many kilocalories of heat are required to melt 20.0 kg of ice at 0°C? Okay so the given is m=20.0kg Ti=0°C HeatFusionIce=80 kcal/kg

    asked by Ben Green
  40. Physics

    An object is formed by attaching a uniform, thin rod with a mass of mr = 6.54 kg and length L = 5.12 m to a uniform sphere with mass ms = 32.7 kg and radius R = 1.28 m. Note ms = 5mr and L = 4R. 1)What is the moment of inertia of the object about an axis

    asked by stewart
  41. physics

    Two cars leave the same point at the same time, each travelling at the same constant speed of 89.0 km/h and each having the same mass. However, the first car drives directly east, while the second car heads directly south. At what speed (the magnitude of

    asked by Anonymous
  42. physics

    Calculate the escape velocity on the surface ov moon .Given the radius of moon=1.7×10(raise to power 6)m and mass of moon =7.35×10(raise to power 22)kg

    asked by Brinder Singh
  43. chemistry

    Which of the following compounds are organic? Check all that apply. SO2 CH3F C8H18O Cu(NH3)6Cl2

    asked by Shatoya
  44. Physics

    Power supplied to a particle of mass 2 Kg varies with time as p = 3t^2/2 watt. Here t is in seconds. If initial velocity = 0, find the velocity after 2s. Sorry for not proving my work. Frankly speaking I'm unable to solve any power questions. Any help

    asked by Mercury
  45. Chemistry

    What mass (in grams) of sodium chloride, NaCl, is needed to make 422. g of a 3.39%(m/m) NaCl solution? (atomic masses: Na = 22.99, Cl = 35.45)

    asked by Brittany
  46. algebra and geometry

    On a floor plan, a room measures 2 inches by 5 inches. If the scale is 1 inch =4 feet, what is the actual size of the room?

    asked by teshena
  47. Physics Math

    How many joules of heat need to be removed to condense 1.50 kg of steam at 100°C -Specific Heat for steam is 2000 J/kg°C-

    asked by Ben Green
  48. preschool

    Letting the _________set the limits is one of the approaches to preventing misbehavior. a. approach b.environment c. feedback d. guidance I chose b-my thinking is that the environment is an important part of managing any behavior.

    asked by anonymos
  49. word problem math b

    A rectangular field is 80 m long and 60 m wide. If fence posts are placed at the corners and are 10 m apart along the four sides of the field, how many posts are needed to completely fence the field?

    asked by urisiseia
  50. Chemistry due soon

    If the following reaction: NO(g) + 1/2O2(g) NO2(g) has the following enthalpy change: H° = -56 kJ/mol What is the enthalpy of the decomposition reaction of 2 moles of NO2? A. 112 kJ B. 56 kJ C. -56 kJ D. -112 kJ i think the answer is d

    asked by Morgan
  51. physics

    A tank contains 12.2 g of chlorine gas (Cl2) at a temperature of 84 °C and an absolute pressure of 5.60 × 105 Pa. The mass per mole of Cl2 is 70.9 g/mol. (a) Determine the volume of the tank. (b) Later, the temperature of the tank has dropped to 26 °C

    asked by Amanda
  52. science Help 911!!

    Carbon dioxide is obtained from the air and changed into carbohydrates and oxygen during the process of A. Fossilization B. Respiration C. Digestion D. Photosynthesis Is the answer D? Thanks

    asked by Charm
  53. East and Southeast Asian

    1. Which of the following cities is located on the most densely populated island of Indonesia? A. Manila B. Bangkok C. Jakarta D. Kuala Lumpur 2. Distinguishing unique patterns of biodiversity in eastern and western areas of Southeast Asia, the Wallace

    asked by Buddhms
  54. Physics

    A cannon is fired from the ground at an angle of 30 degrees. It is being shot an an initial velocity of 200m/s. What is the maximum height of the cannon ball? How fat will the cannon ball travel before it hits the ground

    asked by James
  55. math again (last question help!!!)

    three bookshelves contain a total of 35 books. The first and second shelves contain a total of 20 books. the second and third shelves contain a total of 28 books. how many books are on the second shelf then?

    asked by Matew
  56. Science

    What is the number of moles of HCl neutralized by .1 M NaOH. When NaOH has 14.24ml

    asked by Kim
  57. Chem

    In the reaction NH4Cl = NH3 + HCl, the equilibrium concentrations were found to be [NH3] = [HCl]=3.71 * 10-3M Calculate the value of the equilibrium constant?

    asked by Leroy
  58. physics

    A cannon fires a 0.598 kg shell with initial velocity 10 m/s in the direction 46◦ above the horizontal. The shell’s trajectory curves downward be- cause of gravity, so at the time t = 0.53 s the shell is below the straight line by some verti- cal

    asked by Sean
  59. language arts HELP

    Which of the following uses the indicative mood? A. I will feel flush after I get my very first paycheck for this job. B. I am going to be very wealthy when I receive my inheritance. C. If I were rich, I would get convertibles for us both. D. If I win the

    asked by Charm
  60. reading

    1.I usually don’t like to admit this, but at one time I disliked history. My teacher, Mr. Wittmeyer, was wonderful, and the material seemed interesting. When I listened to his lectures, however, I inevitably drifted off, got called on to answer, and had

    asked by 2phoneeeeee
  61. Math

    Which function could be the parent of y = 3|x| ? A)y = |x| B)y = 3x C)y = x3 D)y = 3 + x

    asked by TeeKay
  62. anger management

    did you ever confuse anger with aggression? please explain how.

    asked by Anonymous
  63. Art History

    Which of the following best describes the meaning of "upper" Paleolithic? A. The earliest part B. The latest part C. From Northern Europe D. The highest elevation I think it's D., but not sure.

    asked by Pat
  64. Chemistry

    A salt may be prepared by the reaction of one salt with another salt, particularly if one of the products is insoluble. In which one of the following reactions is this demonstrated? (NH4)2CO3 + K2SO4 \(->NH4)2SO4 + K2CO3 CuCl2 + 2 NH4NO3 \->Cu(NO3)2 + 2

    asked by Anna
  65. English

    1. He refused to help me. 2. He rejected to help me. 3. He dislikes to help me. 4. He refused helping me. 5. He rejected helping me. 6. He dislikes helping me. -------------------- Which expressions do we have to use? The verbs, reject and refuse take 'to

    asked by rfvv
  66. English

    1. We asked 100 students "What kind of exercise do you do?" 2. We asked 100 students "What kind of exercise do you take?" 3. We asked 100 students "What kinds of exercises do you do?" 4. We asked 100 students "What kinds of exercises do you take?"

    asked by rfvv
  67. English

    1. I don't wash my hands often. 2. I often don't wash my hands. 3. I don't often wash my hands. (Which one is grammatical?)

    asked by rfvv
  68. BRAINMATH

    BobPursley has 3 more brothers than sisters, how many more brothers than sisters does his sister mary have?

    asked by brain MATH
  69. helpppppppp

    Seven cats and 3 dogs weigh as much as 4 monkeys. One monkey weighs as much as 1 cat and 1 dog. How many cats weigh as much as 1 dog?

    asked by Bobby
  70. Chem please help

    If the following reaction: NO(g) + 1/2O2(g) NO2(g) has the following enthalpy change: H° = -56 kJ/mol What is the enthalpy of the decomposition reaction of 2 moles of NO2? A. 112 kJ B. 56 kJ C. -56 kJ D. -112 kJ i think the answer is d

    asked by Morgan
  71. Physics

    A pendulum consists of a 2.1 kg stone swinging on a 3.6 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 60° to the vertical? (b) What is the greatest angle with the

    asked by Jake
  72. Chemisty

    How many litres of water at 100°C are vaporized by the addition of 5.00 MJ of heat

    asked by Fred
  73. Pre-Calc/Trig

    Use Descartes' rule of signs to describe the roots of the polynomial function. m(x)=x^3+3x^2-18x-40

    asked by Anonymous
  74. Math

    How can you sketch the graph y = |x - 2| ? A)Translate the graph of y = |x| two units up. B)Translate the graph of y = |x| two units down. C)Translate the graph of y = |x| two units left. D) Translate the graph of y = |x| two units right.

    asked by TeeKay
  75. Math

    Sin theta = 1/4, what is sec theta?, tan theta? give exact answers for 0 less than or equal to theta less than equal to pi/2

    asked by Saday
  76. chemistry

    Give a structure to match the name for the following compound. 2-pentanol

    asked by Lauren
  77. L.A.Help!!!!!!

    Which of the following uses the indicative mood? A.I will feel flush after I get my very first paycheck today. B.I am going to be very wealthy when I receive my inheritance. C. If I were rich, I would get convertibles for us both. D. If I win the lottery,

    asked by Callie
  78. social

    Ship Columbus will use on his fourth voyage :La

    asked by Lakshmi
  79. Chemistry Physics

    How many joules of heat need to be removed to condense 1.50 kg of steam at 100°C -Specific Heat for steam is 2000 J/kg°C-

    asked by Ben Green
  80. physics

    A box is put on a scale that is marked in units of mass and adjusted to read zero when the box is empty. A stream of marbles is then poured into the box from a height h = 6.93 m above its bottom at a rate of R = 128 (marbles per second). Each marble has

    asked by freedom
  81. physics

    A remote-controlled toy car of mass 2.2 kg starts from rest at the origin at t = 0 and moves in the positive direction of an x axis. The net force on the car as a function of time is given by the figure. (a) What is the time rate of change of the momentum

    asked by freedom
  82. Math Trig Help

    sin theta = x/3, with theta in the first quadrant, find the expression for cos theta and tan theta. Answers will be in algebraic terms of x. Give exact answers with 0 < theta

    asked by Leeroy
  83. Chemistry

    Calculate the mass (in grams) of sugar, C12H22O11, in 142.4 mL of a 1.39 M solution of sugar. (atomic weights: C = 12.01, H = 1.008, O = 16.00)

    asked by Nora
  84. math

    Create an addition word problem and a subtraction word problem using fractions. Show how to find the solution to each problem. Once you find the solutions to your problems, rewrite the solutions as either a terminating or nonterminating decimal.

    asked by math help asap
  85. math

    James wishes to make a deposit. He has these bills: 16 ones, 5 fives, 5 tens, and 3 twenties. He has 4 nickels, 20 dimes, and 16 quarters. James has checks for $66 and $53.75. James wants to receive $50 in cash. What should he enter on the TOTAL line? $

    asked by michelle
  86. chemistry

    Give a structure to match the name for the following compound. isobutyl alcohol Express your answer as a condensed structural formula.

    asked by Lauren
  87. Early Childhood Education

    Studies show that early readers: A. watched educational television more than two hours a day. B. had access to a variety of reading material and watched educational television. C. knew all of the letters and sounds by age 2. D. were read fiction and

    asked by Mary
  88. math

    Olive bought a used snow blower for $120. He charges $10 to clear a driveway of snow. It costs him 500 in gasoline to clear a driveway. After Olvie clears 13 driveways he is finally $_____ ahead,

    asked by Matew
  89. Math

    How Does finding the square root of a number compare to finding the cube root of a number

    asked by Camille Brown
  90. chemistry

    What volume (in milliliters) of 0.496 M aqueous ammonia, NH3, could be made from 17.6 mL of concentrated aqueous ammonia (15.0 M)? (atomic masses: N = 14.01, H = 1.008)

    asked by karen
  91. Organic Chemistry

    I have a Lab assignment that requires the synthesis of carboxylic acid and our final product is Benzoic Acid. The following equation was provided: C7H8 + KMnO4 ---> MnO2 1) KMnO4, OH-, heat 2) H3O+ We were asked to balance the equation including the

    asked by Sal
  92. Preschool Creative Thinking and Arts Based Learnin

    Supporting "possibility thinking" means teachers are encouraging children to: a. first solve problems and follow directions, then "think outside the box." b. not merely solve problems but find them, then pose "what if" questions in their minds. c. play

    asked by Anonymous
  93. Science

    Calculate the kinetic energy change in the water that occurs when 10,000lb/hr flow in a pipe that is reduced from a diameter of 2 in. to a diameter to 1 in.

    asked by Lisa
  94. calculus

    The Voltage v , Current I and Resistance R are related by the equation V=IR. Suppose that V is increasing at a rate of 2 volt/sec, while I is decreasing of the rate of 1/5 (amp/sec ). Let t denote time in seconds. Find the rate at which R is changing when

    asked by Maria
  95. Chemistry

    A salt may be prepared by the reaction of one salt with another salt, particularly if one of the products is insoluble. In which one of the following reactions is this demonstrated? (NH4)2CO3 + K2SO4 \->(NH4)2SO4 + K2CO3 CuCl2 + 2 NH4NO3 \-> Cu(NO3)2 + 2

    asked by Anna
  96. Science

    What is cell

    asked by Khadija
  97. Chem please help

    What is the purpose of a calorimeter? A. To determine the temperature of a chemical reaction B. To determine the energy changes of a chemical reaction C. To identify the specific temperature of an unknown substance D. To measure the average kinetic energy

    asked by Morgan
  98. Preschool Creative Thinking

    The eclectic theoretical approach that most teachers use means that: a. the major development theories are used on different days of the week on a rotating basis. b. one major developmental theory is used for toddlers, another for preschool, another for

    asked by Anonymous
  99. Algebra

    A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.3 x 10^2 um. Find the earthquake's magnitude. Round your answer to one decimal place.

    asked by Paul
  100. ALakh narayan sing high school Ekma saran

    Solve the Mathod of substitution 1/6(2x+3y)+x/3=8,1/2(7y-3x)-y=11

    asked by priya sharma
  101. Physics

    a (n) 1510 kg car is moving along a level road at 13.8 m/s. The driver accelerates and in the next 10s the engine provides 23400 J of additional energy. If 3900 J of this energy must be used to overcome friction, what is the final speed of the car?

    asked by Lynn
  102. Math

    theta = 16 pi / 5 How to find the reference angle in radians? Do i have to use degree to pi conversion?

    asked by Sandy
  103. math

    Bert is 5 years older than twice the age of mario. Nine years ago, the sum of their ages is 50. How old is each now?

    asked by ella
  104. Preschool/Kindergarten

    Which of the following is a reason why kindergarten was started in the United States? a. Kindergarten was designed to be affordable to most people. b. Kindergarten was designed to be universally available for all. c. Kindergarten was designed to make a

    asked by anonymos
  105. Chemistry

    Calculate the kinetic energy change in the water that occurs when 10,000lb/hr flow in a pipe that is reduced from a diameter of 2 in. to a diameter to 1 in. Any ideas on solving this? The answer is 2.7 lbf*ft.

    asked by Xavier
  106. Math help

    a cube has a volume of 125cm ^3. What is the area in cm^2 of one face of the cube? (^ = Exponent)

    asked by Rella
  107. physic

    Q: a model rocket was launched and measurements of its height and horizontal distances from the launched pad were taken as shown in the table horizontal distance from the launch pad/m : 0,1,2,3,4,5,6,7,8,9,10,11. vertical distance from the launch pad/m:

    asked by Aya Muhammed
  108. CAL- derivative

    Find the derivative; y= x^3(5x-1)^4 So this is my answer y'=2x(5x-1)^3 + 10x + x(5x-1) Please correct me if my answer is wrong.

    asked by Henry
  109. math

    A STORE OWNER PLANNED to raise the price of a T-shirt by 10% - he accidently labeled 10% though. The new price is what percent less than the raised price? Mixed number and omit the % sign.

    asked by Matew
  110. Physics

    calculate the escape velocity on the surface of earth, acceleration due to gravity will be 36 percent of its value on the surface of earth .if mean radius is 6400 km?

    asked by Brinder Singh
  111. physics

    A projectile is thrown from the top of a tower anf strikes the ground after 3sec at angle of 45° with horizontal . Find height of tower and speed with which the projectile was projected.

    asked by Brinder Singh
  112. Physics help please

    A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the

    asked by Kimberly
  113. English

    1. You would rather not drive this afternoon. 2. You had better not drive this afternoon. -------------------- Which expression is right? are both right? Then what is the difference between them? ==================== 3. You would rather stay at home than

    asked by rfvv
  114. Health

    Without ________, the human body would stop working. A. A kidney B. Movement of one’s limbs C. Tendons D. Blood A?

    asked by Night
  115. physics

    Find the displacement of the car after 5.9 s. Answer in units of m

    asked by Anonymous
  116. Algebra

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.50 * 10^5 watts cm^2 what is the db?

    asked by Roger
  117. Chemistry

    State the full electron configuration of a free nitrogen atom.

    asked by Syndra
  118. Physics

    A plane is flying horizontally with speed 251 m/s at a height 2180 m above the ground, a package is thrown downward from the plane with a vertical speed v1 = 80 m/s. What is the magnitude of the total velocity of the package at the moment it is thrown as

    asked by Kyle
  119. Algebra

    Can you solve these equation by completing the square 2x^2+7x-4=0 3x^2x-1=0

    asked by Amy
  120. math

    partb : a shopper brought four of the same shirt and paid 48$ after the 40% discount . what was the original price of one of the shirts

    asked by znya
  121. physics

    A coolant fluid has a latent heat of evaporation of 234 kj/kg . If the pump rate is 2250g per minute. How much thermal heat is removed each hour?

    asked by Aliya
  122. Math

    Felix used a scale factor of 1 inch = 2.5 feet to draw model of his backyard, as shown below. He is planning to build a fence around the yard. If the cost of the fence is $3.50 per foot, how much will it cost him to build the fence? Length 2.75in. width

    asked by Jeffery
  123. Math Help!

    tan (2theta + 8) = -0.489 theta = ? i'm on my last attempt to solve this problem on my hw. I tried subtracting 8 from -0.489 then trying to find the inverse but no luck.... I got -4.245 as one of my answers,-0.7267, no luck so far :(

    asked by Somi
  124. Math

    Explain what each of the following expressions means. Evaluate each expression for x = 0.5. Some of these may be asking for inverse and not raising to exponent of -1. Enter the exact value for angles, and round any values to three decimal places. sin^-1 x

    asked by Randolph
  125. mathematics

    Find the volume of a right circular cylinder whose area of Base is 1.7cm2 and the height is 0.1cm

    asked by badal
  126. math

    I can't understand rounding rules of numbers Can you simply explain it ?

    asked by MAD
  127. Math

    If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate 50,000 in 15 years

    asked by Brianne
  128. Science

    1. A balloonist drops an apple weighing 1.5 N over the side of the balloon's gondola. As it falls and increases speed, the drag force from the air upward on it increases. When the upward force is 0.7 N, what is the direction and magnitude of the net force

    asked by May
  129. reading

    Laurie swings idly on his hammock and spies the March girls walking out to a hill. There, the sisters sit working—knitting, sewing, drawing, and reading. Feeling left out, Laurie asks if he may join them. They admit him under the condition that he

    asked by 2phoneeeeee
  130. History

    Help! i have a project due on Marie Antoinette and need help!

    asked by stormwalker
  131. Chemistry

    what are the simplest molecules to synthesize a n,n-dimethyl-2-methylpropanamine

    asked by Lila
  132. math

    How many revolutions will a 5" id x 5/8 id pulley on a electric motor shaft rotating at 1700 rpms.

    asked by Rome
  133. Creative thinking in preschool

    Creative thinking in children is like creative thinking in adults in that they both: a. have experiences that are complex, challenging, and creative. b, have intelligence that develops onto skill. c. lack inhibition when responding to external stimuli. d.

    asked by GALEN
  134. Chem Help!

    Describe how you would prepare t-butyl-n-butyl ether. assume you are working on a 1 M scale. what reagents would you use? What solvent? what reaction conditions?

    asked by HELP
  135. Preschool-Creative Thinking and Arts Based Learnin

    Read the book, but could not find this answer. Creative thinking in children is like creative thinking in adults in that they both: a. have experiences that are complex, challenging, and creative. b. have intelligence that develops into skill. c. lack

    asked by GALEN
  136. algebra

    would multiplying 3 negative integers always equal a positive integer?

    asked by anon
  137. Math

    cos x = -0.6 , 0

    asked by Lester
  138. science

    What would you need to know to determine the total amount of photosynthesis going on in the canopy and near the forest floor? Why?

    asked by jack
  139. Signals & Systems

    The suspension system of a car is modelled by the following differential equation: M*((d^2*y)/(d*t^2) + D*(dy/dt) + Ky( t ) = x( t ) where y(t) is the vertical position of the car body, x(t) is the external force coming from the ground acting on the car

    asked by Tawana
  140. math please help me

    64% of 75 tiles 2 doctors is ______ % of 25 doctors 360 kilometers is 24% of kilometers 80% of _______ games is 32 games 75% of ________ peaches is 15 peaches

    asked by zagra
  141. corporate accounting

    meaning of reserve capital

    asked by adward
  142. Physics

    block slides across table with initial speed of 8 m/s coefficient of friction between block and table is .5 and table is 4 m long and 1.2 m high determine how far the block lands from the base of the table

    asked by Anonymous
  143. math

    How do you find the answer to 35.5×18.76

    asked by Anonymous
  144. Chemistry

    Does the Hydrogen Bondings in ice form, break, and reform all the time, just like in water?

    asked by John
  145. Physics

    If rocket had been 10 m above the ground when its horizontal distance from the launchpad was 2m ,wheredo you think rocket would have landed

    asked by amanii
  146. sentence structure

    What is the subject and predicate of this sentence? "There are children waiting." Is it "children are waiting" or "there are"?

    asked by Anonymous
  147. Derivatives

    Find the derivative of the following questions; ³√2t/(t^2-4) Every thing is under the ³√ and the / is a fraction bar. My answer is y'= t(2t)^3 Can you check my answer please

    asked by Honey
  148. fraction problem pecentage

    2/5 is what percent of 4/7?

    asked by factions
  149. Math Question

    Laura was given two points (3,-2) and (-2,4) and was asked to create an equation that represents the line that passes through these points. Write two equations that she could use.

    asked by Kalani
  150. physics

    a school bus traveling along a straight road from school was found to be 2.0km North of the school 4minutes later. In another 4minutes it was 4km West of the school. Draw the position of the bus from school.

    asked by Anonymous
  151. statistics

    what is the weight between 5.5 to 6 ounce when mean is 5,75 ounce and standard deviation is 0.11

    asked by Anonymous
  152. equation

    a is 30% of b, b is what percent of a? Please write it in mixed number (answer)

    asked by factions
  153. Physics help

    an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid, what would be the new temp. of the acid? show steps please!

    asked by HELP
  154. ASTRONOMY

    Good evening all, I am working on a PowerPoint presentation for my Astronomy class about planet Earth - my question is: What is Earth's brightest apparent magnitude (if it has one)? I have searched every reliable source I know of (and that I come across),

    asked by Andy G
  155. physics

    Static friction is smaller than kinetic friction because it is harder to keep an object than moving than to put it in motion.

    asked by Anonymous
  156. Math

    solve for 0

    asked by Remo
  157. Pre-Calc/Trig

    Help me please. List all possible rational zeros for the polynomial function. p(x)=3x^3-2x^2-5x-2

    asked by Anonymous
  158. Shakespeare

    Why is Shakespeare’s work still worth reading?

    asked by Sara
  159. Algebra

    Let a and b be real numbers, where a

    asked by Trish Goal
  160. Algebra

    What are the coordinates of the points where the graphs of f(x)=x^3-x^2+x+1 and g(x)=x^3+x^2+x-1 intersect? Give your answer as a list of points separated by semicolons. (So "(1,-3); (2,3); (5,-7)" is a valid answer format.)

    asked by Trish Goal
  161. multiplying integers

    -10^2 = i know the answer is -100, but can someone explain how you actually find the answer?

    asked by please help
  162. chemistry

    CH3-C=C-CH3 IS CLASSIFIED AS A) ALKANE B) ALKYNE C) AROMATIC COMPOUND D) HALOALKANE E) ALKENE

    asked by Shatoya
  163. math

    If you can earn a 4% average return on your investments, how much invested capital must you have to earn $53000.00 per year.

    asked by cathy
  164. AKSUM MATHS

    FIND A VECTOR EQUATION OF THE LINE THAT CONTAINS(-1,3,0)& IS PARALLEL TO 2i-3j-k.

    asked by BIRHANU
  165. Intermediate Algerbra

    B=18.75+585.72 where t is the number of years since 1990. In what year will the monthly benefit B exceed 1050. Totally clueless I need help!

    asked by Babydoll2007
  166. physics

    the formula of centripital accelaration is v>2/r Q:Why here is square of speed ?

    asked by Bilal
  167. Information and communication technology

    please tell me new ideas regarding information and communication technology that have not yet used in daily life..

    asked by edward
  168. information technology

    please tell me a model for comunication

    asked by kamal
  169. Help Please

    Is a(bc)=(ab)(ac)

    asked by Molly
  170. Science

    The latent heat of fusion for metal is 246kj per kg. How much heat would be used by melting 10 tonnes of metal?

    asked by Aliya
  171. English

    The first sentence restate the question/prompt and give the answer to iy

    asked by Granpa
  172. Elementary Math

    X+(x+)+ (X+2)=3x+ 3 then anotgher student wrote (X-1)+ X + (X+1)=3X which one is correct

    asked by Edward P