Questions Asked on
November 4, 2016

  1. chemistry

    Quantum numbers arise naturally from the mathematics used to describe the possible states of an electron in an atom. The four quantum numbers, the principal quantum number (n), the angular momentum quantum number (ℓ), the magnetic quantum number (mℓ),

    asked by Jordan
  2. social studies

    which statement correctly contrast the Lancaster turnpike with the national road 1. the Lancaster turnpike was a longer road 2. the national road required users to pay a toll to use it 3. the national road was a corduroy road 4. the Lancaster turnpike was

    asked by Anon
  3. Math

    Four students work to find an estimate for square root 27. Who is closest to finding the true estimate? (1 point) Chelsey: "Use square root 16 and square root 25 to estimate." Carley: "I use square root 25 and square root 36." Jamie: "It should be between

    asked by Philisnotonfire
  4. chemistry

    Which neutral atoms have the following electron configurations in either a ground state or excited state? Enter the name or symbol. [Ar]4s23d3 - I know that this is Vanadium [Xe]6s24f1 - I thought that this was Lu but it counts it wrong each time! Help

    asked by Jordan
  5. spanish

    How do people in the Spanish speaking world invite people to their parties? A) Formal, written invitations B) Posting the celebration in the newspaper well in advance C) Verbally without much notice Which of the following is not true about Barcelona? A) It

    asked by Cyborg_DRAGon
  6. Physics

    At the surface of a certain planet, the gravitational acceleration g has a magnitude of 12.0 m/s^2. A 21.0-kg brass bell is transported to this planet. What is (a) the mass of the brass ball on the Earth and on the planet, and (b) the weight of the brass

    asked by Luce
  7. chemistry

    Why is it necessary to heat the hydrate gently at first and then more strongly only after most of the water has been driven off?

    asked by Missy
  8. Math

    A belt fits tightly around two pulleys of radii 4 cm and 6 cm respectively and the distance between their centers is 20 cm. Find the length of the belt. I know the answer is 71.62cm from the answer key but I need to know the process to get there. The

    asked by Wilmer
  9. social studies

    how did the siege at the Alamo influence the response of the Texas settlers? it force them to recruit native Americans it forced them to surrender it strengthened their resolve to fight*** it prompted them to have public forums

    asked by Maria
  10. History

    Why did minority groups receive limited benefits from Progressivism? A:Minority groups did not wish to Americanize B:The Supreme Court barred minority groups from gaining more rights. C:Many Progressives held racist ideas about minority groups**** D:Few

    asked by Marylyn
  11. S.S

    Beginning in the 1600's, the Tokugawa shoguns who ruled japan tried to maintain stability and order by?

    asked by Me time
  12. Chemistry

    To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 18.5 g, and its initial temperature is -13.3 °C. The water resulting from the melted ice reaches the temperature of your skin, 28.4 °C. How much

    asked by Annie
  13. maths

    in a certain code "7 8 6" means "bring me apple" , "9 5 8" means "peel green apple" and "6 4 5" means "bring green fruit", which of the following is the code for 'me'?

    asked by kishore
  14. Spanish Literature

    The Questions are presented to me in Spanish, I then translated them to try to understand them. I have submitted my answers in English and Spanish in case there is any confusion to what I am attempting to write Questions 1-5 Literature Act III La Dama del

    asked by Jaylnn
  15. phy

    a rubber ball is thrown against a horizontal wall and bounces back with the same speed it came in at. The change in momentum vector of the ball is A) 10 m/s^2 B) in the same directions the ball's initial motion C) in the opposite direction as the ball's

    asked by carol
  16. Spanish Lit Part 2

    La Dama del Alba Questions 6-10 6. ¿Qué misterio existe para la Peregrina en cuanto a Angélica? What mystery exists for the Pilgrim as for Angelica? The grandfather tells La Peregrina if she must take someone or something, to take him, his cattle or his

    asked by Jaylnn
  17. chemistry

    A sample of 45.1 g of methane gas (CH4(g)) has a volume of 6.20 L at a pressure of 2.90 atm. Calculate the temperature. Another one that I'm stumped on, last question for my practice exam, can you explain how to solve?

    asked by Jordan
  18. social studies

    what would be the most likely effect of a southern European economic boom on the regions immigrants? A) immigrants would be more welcome because their labor would be needed B) immigrants would be more welcome because they would be responsible for the

    asked by donuts
  19. American Government

    What is the main controversy over citizen requirement for the presidency? A. whether a person is a "natural born citizen". B. whether a person with dual citizenship can be president. C. whether an undocumented citizen can be president. D. whether a person

    asked by Savanna
  20. Anatomy

    The average heart beats about 100,000 times a day. I said true is that right?

    asked by FireQuick
  21. chemistry

    A 0.940g sample of barium chloride dehydrate is heated and 0.800g of anhydrous residue remains after cooling. A. How many moles of anhydrous barium chloride were present in the sample? B. How many moles of water were present in the sample?

    asked by Aima
  22. chemistry

    Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients. A precipitate forms when aqueous solutions of iron(II) iodide and sodium hydroxide are combined.

    asked by Erika
  23. Math

    Kaylin recorded how much she grew in inches each month for four months and recorded the results as:0.75,0.3215,3/8,9/16. list the inches she grew each month in order from least to greatest

    asked by D&B NATION4L
  24. Math

    Josh sold his bike for 10% less than he paid for it. IF he sold the bike for 585 how much did he pay for it?

    asked by Ann
  25. Physics

    A "swing" ride at a carnival consists of chairs that are swung in a circle by 17.9 m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 193 kg. (a) Determine the tension in the cable

    asked by BrookeNeed
  26. Math

    Pedro spent 2 1/5 hours on his math himework and half as lomg on his science homework one weekend. If his english and social studies homework took 7/8 as long, how much time did he spent on homework that weekend?

    asked by Anthony
  27. Physics

    An airplane has a mass of 2.8×106 kg , and the air flows past the lower surface of the wings at 81 m/s . Part A: If the wings have a surface area of 1100 m2 , how fast must the air flow over the upper surface of the wing if the plane is to stay in the

    asked by Ashley
  28. Drivers ED

    To compromise space means to? A:Maximize hazards B:Minimize hazards**** C:Narrow the space between vehicles D:Speed up

    asked by Marylyn
  29. Maths

    A spinner numbered 1 to 50 is spun twice. Find the probability that the total from the two spins is: a. 51 b.55

    asked by Jim
  30. Algebra

    During a science experiment, Nico created a 32%alcohol solution by mixing 8 fluid ounces of a 50% alcohol solution with a certain amount of an 8% alcohol solution. How many fluid ounces of the 32% alcohol solution did he create?

    asked by Jj
  31. Chemistry

    N2(g) + 3H2(g) -> 2NH3(g) How many grams of ammonia are formed from 14.0 grams of nitrogen? 14/2 = 7 grams of ammonia

    asked by Anonymous
  32. Calculus - Falling Body Problem

    Near the surface of the earth, the acceleration of a falling body due to gravity is 32 feet per second per second, provided that air resistance is neglected. If an object is thrown upward from and initial height of 3000 feet with a velocity of 75 feet per

    asked by Jamie
  33. chemistry

    10 litres of a monoatomic ideal gas at 0degree celsius and 10atm pressure is suddenly released to 1atm and the gas expands adiabatically against this constant pressure. find the final temperature and volume

    asked by dhwani
  34. Math

    a recipe for 2 dozen cookies calls for 1 1/3 cups of flour.how much for would be needed to make five dozen cookies?

    asked by Rachel
  35. Physics

    In physics, work is defined as the product of the A) net force and the distance traveled B) net force parallel to the motion and direction traveled C) net force parallel to the motion and the time it is applied

    asked by Beth
  36. Pre-algebra

    Sonia is creating a visual diagram to show the relationship between rational numbers and whole numbers. She draws it to show that some whole numbers are rational numbers and some are not. Is this correct? Explain why or why not All numbers are rational

    asked by Britney
  37. science

    0.150 L of 0.420 M H2SO4 is mixed with 0.100 L of 0.270 M KOH. What concentration of sulfuric acid remains after neutralization?

    asked by sadie
  38. Math

    Anne, Ryan and Joel collect empty cans. They collect a total of 1925 cans. Anne collects half as many as Ryan. Joel collects twice as many cans as Ryan. How many cans does Joel collect? Use bar model to solve.

    asked by Mike
  39. Physics

    Rain drops hitting the side window of a car in motion often leave diagonal streaks if there is no wind. Why?

    asked by Amrit
  40. physics

    if a swimmer can swim in still water at a speed of 7.3 m/s and he intends to swim across a river that has a downstream current of 2.5 m/s what is the swimmers direction?

    asked by Lily
  41. Physics

    An object of mass 1.00kg is moving over a horizontal circular path of radius 2.00m, with a speed of 3.00ms^-1. Determine: (a) its centripetal acceleration (b) its kinetic energy (c) its period (d) its angular velocity

    asked by Damon
  42. Science

    How many grams of sugar are needed to make a saturated solution of sugar in 100g of water at 20 degrees Celsius?

    asked by Jay
  43. physics

    An ideal gas has the following initial conditions: Vi = 490 cm3, Pi = 5 atm, and Ti = 100°C. What is its final temperature if the pressure is reduced to 1 atm and the volume expands to 1000 cm3? -----°C

    asked by Katelyn
  44. chemistry

    How many milliliters of concentrated nitric acid, HNO3, 70 % (wt/wt) are required to prepare 1 liter of 0.250 M solution? The molar mass and density of HNO3 are 63.0 g/mol and 1.36 g/cm respectively.

    asked by karen
  45. Math

    Ram wants to cover the floor of a room 5meter wide & 8meter long by squared tiles. If each square tile is of side 0.5 meter, then find the number of tiles required to cover the floor of the room.

    asked by Megha
  46. tri

    A ship leaves port at 5 am and heads due east at 23 knots. At 10 am, to avoid a storm the ship changes course to N 60° E 60° east of north Find the ships distance from port at 4 pm. Round to the nearest tenth.

    asked by cha
  47. chemistry

    For the equilibrium: H2 + I2 2HI The equilibrium konstant Kc is equal to 50.5 at 448ºC. If [H2]o=[I2] o= 1 mol/l. What will the concentration of H2, I2 and HI be at equilibrium

    asked by vicky
  48. math

    two similar hexagons have corresponding sides of 2cm and 5cm

    asked by femi
  49. Physics

    A flywheel with a moment of inertia of 1.00kg m^2 is rotating at 100 rpm. What torque is required to bring it to rest in 10.0 revolutions?

    asked by Tyrese
  50. Pre-Algebra

    Explain how to model the multiplication of –6 and 3 on a number line.

    asked by Britney
  51. ss

    Since Greenwich, England is on the prime meridian, which of the following is a line of longitude that would be found in North America? a. 45° N c. 30° S b. 70° E d. 100° W

    asked by Anonymous
  52. mathe arithmetic progression

    If the term 7th of an A.P are 18 and 30 respectively.find the 13th term

    asked by nikhil
  53. chemistry

    When the following solutions are mixed together, what precipitate (if any) will forms? Write the reaction equation for all the cases and write the net ionic equation for only those reactions that react: potassium nitrate solution and barium acetate I am

    asked by Jordan
  54. Math

    A TV that usually sells for $172.36 is on sale for 25% off. If sales tax on the TV is 9%, what is the price of the TV, including tax?

    asked by Nicole
  55. geometry

    If m    AOB = m    COD = 90  ,find m    COB + m    AOD.

    asked by hannah
  56. Government

    1.) How do US government officials, and then individuals like Edward Snowden and those associated with WikiLeaks view Snowden’s actions differently? Why 2.) How has the U.S relationship with Russia been affected by their decision to grant Snowden asylum,

    asked by Donna
  57. Physics

    Two boxes are stacked in an elevator that is accelerating downwards at 3.49m/s/s. A smaller 3.06kg box is on top and a larger 9.93kg box is on bottom. Find the magnitude and direction of the force that the smaller mass exerts on larger.

    asked by Josh
  58. English 10 A

    I am doing the Character Analysis Portfolio, and need to make a thesis statement, answering the following questions: Why is this character significant to the plot of the story? How does this character contribute to the development of a central theme? Could

    asked by Trixie
  59. Calculus - Special sum formulas

    Find a formula for Sum_{j=1}^n (j+3) (j-4) So far, I have foiled to j^2-j-12. Thus,Sum_{j=1}^n(j^2) - Sum_{j=1}^n(j) - Sum_{j=1}^n(12). From Special Sum formulas, I have gotten to n(n+1)(2n+1)/6 - n(n+1)/2 - 12n What do I do from here?

    asked by James
  60. English

    1. Read all the sentences on the page. 2. Read all the sentences of the page. Which one is correct? Are both okay? Which one is commonly used? 3. Read Part 1 in a loud voice. 4. Read Part 1 with a loud voice. Which preposition do we have to use? 5. All up

    asked by rfvv
  61. Science

    0.745 g of kcl disloved in 100 ml of water,then molarity?

    asked by Sonu
  62. Chemistry

    At high concentrations of [H2] the observed rate law is found to change to the form: Rate = k[NO]^2 i.e. the rate becomes independent of [H2]. 1. Assess whether the two step mechanism: H2 + 2NO → N2 + H2O + O (k1) O + H2 → H2O (k2) can explain this

    asked by Susie
  63. Physics

    A ball of mass 0.1kg dropped from a building of 8m high unto a hard floor bounces back to a height of 2m. Calculate the change in momentum , if the ball is in constant with the floor of 0.1s, what is the force exerted on the body . (g = 10ms)

    asked by Lauryn
  64. PHYSICS (REALLY DIFFICULT PLEASE HELP)

    An aeroplane makes in emergency landing without landing gear. If the aeroplane touches down with a horizontal speed of 60.0ms^-1 and the coefficient of friction for aluminium on asphalt is μ = 0.500, how far will the aeroplane slide before coming to rest?

    asked by Steven
  65. Calculus

    Find the xy-equation of the curve that passes through (-2, -2) and whose slope at any point on the curve is equal to 5 times the x-coordinate of that point

    asked by James
  66. Maths

    A box contains different coloured counters, with P(purple)= 10%, P(yellow)= 2/3 and P(orange) 1/7. a. Is it possible to obtain a colour other than purple, yellow or orange? b. What is the minimum number of counters in the box c. If the box cannot fit more

    asked by Jim
  67. Physics

    An electric train leaves a station starting from rest and attains a speed of 72km/hr in 10 second. Then it undergoes uniform retardation for 20 second to come to halt at the next station then calculate i) the distance between the train stations. ii) the

    asked by Amrit
  68. Calculus

    A particle is moving with acceleration a(t) = 24 t + 4. Its position at time t =0 is s(0) = 15 and its velocity at time t =0 is v(0) = 11. What is its position at time t = 9?

    asked by Sam
  69. Physics

    ) A car is traveling on a straight, horizontal road at 20 m/s when the driver slams on the brakes. The force of friction between the car and the road is 900 N. The mass of the car is 1800 kg. (a) Make a free body diagram for the car on the set of axes

    asked by Tommy
  70. Pre-Algebra

    Use properties of equality to simplify each of the following expressions so that you can simplify them in your head. Identify the properties used and describe how you used them. 1. 4 • (–3) • 5

    asked by Britney
  71. math- Trigonometry

    If cos degree equals to 0.8641 What is Sin degree? I have no idea how to find this. Please help me. Thank you

    asked by Simran
  72. Pre-Algebra

    Associative property I think. 2. (2.25 • 23) • 4 2.25x23=51.75 4x51.75=207

    asked by Britney
  73. math

    an open box with dimension 2 inches x 3 inches x 4 inches needs to be increase in size to hold 5 times as much as material as the current box? a. write a function that represents the new box b.find the dimension of the new box c.make a mathemathical

    asked by kris linbern
  74. Chemistry

    How much energy in joules does it take to raise the temperature of 255g of water by 12.5 C? I just don't know which formula to use. Every formula I look at has 3 components needed, but I'm only given 2. Thanks :)

    asked by Aiyanna
  75. Math

    The radius of a neon atom is 3.1×10(exponent -11) meters. The radius of a silver atom is 1.65×10(exponent -10) meters. What is the diffrence in the raddi of the two atoms? A.0.000000000134m B.0.0000000005115m C.0.000000000196m D.0.0134m

    asked by Gissele Alvarez
  76. math

    A person that is 1.6 m tall casts a 4 m shadow. At the same time, a nearby tree casts a 12 m shadow. What is the height of the tree to the nearest tenth of a metre?

    asked by tanya
  77. Physics

    Ice floats with one ninth of its volume above water. What is the relative density of ice?

    asked by Kity
  78. Social Studies

    Do you think the Declaration of Independence was a good way to declare independence from Britain? Why or why not?

    asked by Subway
  79. Calculus - Differential Equations

    Use separation of variables to find the solution to the differential equation: 4 (du/dt) = u^2, subject to the initial condition u(0)=6.

    asked by James
  80. Math

    The sum of a number and 10 is -10

    asked by Cynthia
  81. Core World History

    What are 5 events for both the rise of Empires and the fall of Empires from prehistory to A.D. 1600?

    asked by Lenae
  82. Math

    Davis High School Multi-Step The heights of the starting players for the and 69 in. Find the team are 78 in., 74 in., 71 in., 7o in., Boys basketball average height of the starting players.

    asked by Anonymous
  83. Geometry

    Find the radius of a circle whose circumference is 37.3cm (Take pie =3.14cm)

    asked by Yukti behl
  84. Stats

    In each hand of Blackjack, Megan wins $2 with probability 0.1, or wins $1 with probability 0.3, or loses $1 with probability 0.6. Suppose Megan continues to play 100 hands of Blackjack, and assume the outcomes of all plays are independent. (a) Compute the

    asked by Dan
  85. algebra 1

    Write an equation in slope-intercept form for the line parallel to y = 5x - 2 that passes through the point (8, -2)

    asked by lina
  86. Mathematics

    9A. Solve the inequality.Show all steps.15 > 7 - t/3 9B. Check your work. Hi. I'm not trying to cheat. I don't understand the equation. If you see another question by me with the same question, I'm sorry. I had hit submit and it wasn't there. Sorry.

    asked by Invisible
  87. chemistry

    Molarity material = density x 1000 x (%/100) x (1/molar mass material) 1000 indicates?

    asked by karen
  88. Chemistry

    Methane and diamond have covalent bonds.Explain why methane is a gas and diamond is a solid at room temperature.

    asked by Maureen
  89. Algebra

    7squrare root of 9+5 (8-3) Please help me figure it out. Thanks

    asked by Melissa
  90. Maths

    If I sold my car for $8400, I wold lose 25%. How much did I pay for my car?

    asked by Dodo
  91. mathematics

    solve m2+6m+7 using completing the square method

    asked by anthony
  92. help help help sir steve

    find 16^1/3 without the use of calculator plzzzz help i dont know it

    asked by Anonymous
  93. brain drain

    some have more than a hundred some have none

    asked by Tytus
  94. Physics

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25 degree west of north and the resultant of these two pulls is 350 netwon directly northward. Use vector components to find the

    asked by Amrit
  95. Math

    A fence around a square garden is madr up 4 equal-sized pieces that are each 5 1/2 feet long. Matt decided to make the sides 2 1/2 times longer. How much fencing does he need in all?

    asked by Anthony
  96. Physics

    For a certain projectile, the horizontol range is twice in magnitude of the maximum height attained by it. Find its angle of projection.

    asked by Amrit
  97. MATHS

    Area is28cm andheight is 2.1 how much of water storw in drum (1liter is =1000cc

    asked by SUNITHA
  98. Math

    Write a divison equation that has a solution of -20

    asked by Em
  99. Math

    800 by 11.5%

    asked by Dono
  100. Maths

    800 by 11.5%

    asked by tudor
  101. Calculus - Differential Equations

    Use separation of variables to find the solution to the differential equation: 4 (du/dt) = u^2, subject to the initial condition u(0)=6. So far, I have: 4 du = u^2 dt 4/u^2 du = dt -4/u = t+C I am unsure what to do from this point...

    asked by Abby
  102. Math

    A shopkeeper buys a table at ₹300 and sells it for Rs.375.Find his loss or gain percentage.

    asked by Jack
  103. algebra

    simplify √847

    asked by meg
  104. science

    a stone is thrown at an angle of 30* with the horizontal direction which strikes the tip of the building 2 m height ,if the distance of the building from the point of observation is 10 metre .find the velocity of the projectile of the stone.

    asked by nirmal kumar
  105. science

    a stone is thrown at an angle of 30* with the horizontal direction which strikes the tip of the building 2 m height ,if the distance of the building from the point of observation is 10 metre .find the velocity of the projectile of the stone. ans...

    asked by nirmal kumar
  106. math

    what is the value of x in 16 to the power of 2 = x -256 256 -4 4 i think 4 or -4

    asked by YunoGasai
  107. history

    what was happening in the late 1800s in Germany? why German immigrants went to America?

    asked by Nikki
  108. Calculus - Special sum formulas

    Find the formula of n Σ (j+3)(j-4) j=1 I have gotten to n(n+1)(2n+1)/6 - n(n+1)/2 - 12n How do I simplify it from there?

    asked by Jamie
  109. show low high school

    he first number is 3 more than the second number. the sum of the number is 25. find the number.

    asked by joey
  110. Calculus

    let a_i = 2^i 20 Find Σ a_(i+1)-a_i i=1

    asked by Josh
  111. Maths

    Sophie has randomly chosen a card from a standard deck and placed it in her pocket. She is going to randomly choose a second card from the deck. a.What is the probability that she chooses the same card as the one in her pocket b. what is the probability

    asked by Ted
  112. Algebra

    -2/5x-9

    asked by Person who is confused by sets
  113. Calculus Reimann Sum

    Approximate ∫_-2^3(x+3)dx via the Riemann sum. Use the partition of five subintervals (of equal length), with the sample point barx_i being the right end point of the i-th interval. I attempted this problem and got -40/3, but it's not being accepted. I'm

    asked by Anonymous
  114. Maths

    A page of text is analysed, and of the 150 words on it, 30 are nouns, 10 of which start with a vowel. Of the words that are not nouns, 85 of them do not start with vowels. a. If the word on the page is chosen at random, what is the probability that it is a

    asked by Ted
  115. Socioogy

    Can you give any web sites for dummies related to dependent variable measures (inter -item reliability Cronbach's Alpha)? Also, dependent variable index by category of independent variables (cross tabulations), and how much of an effect your independent

    asked by Bralu
  116. algebra

    what number is between 1/6 and .25? A.) 7/24 B.) 1/7 c.) 2/7 D.) 5/24 --- is it this? help please ;)

    asked by meg
  117. AP Physics

    The length of the cannon barrel is 1.7 m and the cannon is aimed at a 38◦angle from the ground.The acceleration of gravity is 9.8 m/s^2. If Dread Pirate Roberts tells you he wants the ball to leave the cannon with speed V-not = 76 m/s, what mass cannon

    asked by Connor
  118. Adv function

    (2-sin^2x)/-sinx=sinx Is this doable. That's the answer but I can't get the l.s to equal r.s

    asked by Anonymous
  119. Reading

    What is a linking verb

    asked by Skylar
  120. Algebra 2

    Consider the graph of f(x)=2[[x/3]] +4 with doman {x|0

    asked by Anonymous
  121. communications

    what is the most distorted or misinterpreted topic on the internet?

    asked by Alex
  122. math

    Pupils contributed some money to help needy people. They bought twenty four 2-kg packets of flour, thirty six 1-kg packets of flour and a fifty kilogram bag of sugar. The flour was packed in 500g packets and the sugar in 250 g packets. How many people

    asked by kgk
  123. Tricky Math Question

    What is 0^0 equals to? a.1 b.0 c.undefine

    asked by Doyll
  124. Mathematics

    How to use graphs to solve quadratic equations

    asked by Omar
  125. Math

    $10 is which amount of money,rounded to the nearest dollar? My work: $ 9.52. Is it correct?

    asked by F.
  126. Chemistry 101

    Which calorimeter do you use for determining the specific heat of the metal, the thermos or the Styrofoam cup?

    asked by Dina
  127. physics

    A vector moving 45 degrees northeast at a velocity of 3m/s and the turns 30 degrees southeast with a velocity of 10m/s.

    asked by Musonda icu
  128. English

    Oh Lordy, how my heart grows weary, far from the old folks at home. --------------------------------- This is a sentence in the song "Swanee River. Q1: " What is the meaning of "Lordy" here? Is Lordy one of his friends' name? Q2: Who are 'the old folks'?

    asked by rfvv
  129. math

    A piece of land in the shape of a trapezium is drawn on a map using the scale 1:500. The parallel sides are 5 cm and 2 cm, while the perpendicular distance between parallel sides is 4 cm. what is the actual area of the plot in square meter?

    asked by kgk
  130. Physics

    How much energy must be removed from 30 L of liquid water at 0-degree celsius in order to convert it to ice?

    asked by khalid
  131. Physics

    A sample of ice at 0-degree melts after absorbing kJ of heat. How many kg of H20 are contained in the sample?

    asked by khalid
  132. Social Studies

    2. If you were a colonist, how would you have felt about the Proclamation of 1763? Why?

    asked by Subhs
  133. math

    if i plow at 7km/hr and my plow is 1800mm how long will it take to plow one ha

    asked by hennie
  134. Maths.

    3×x^2×y+y^2×5/8×x^2

    asked by Lakshika