Questions Asked on
November 29, 2016

  1. Science

    What is the volume of the rock if the water level rises to the 120 ML mark

    asked by Fidel
  2. chemistry

    The following information is given for ether, C2H5OC2H5, at 1atm: boiling point = 34.6 °C Hvap(34.6 °C) = 26.5 kJ/mol specific heat liquid = 2.32 J/g°C At a pressure of 1 atm, kJ of heat are needed to vaporize a 41.0 g sample of liquid ether at its

    asked by LaMetria
  3. Math (Calculus) (Related Rates)

    A boat pulls away from a dock at 2 m/s, but the operator has neglected to remove the tow rope used to pull the boat up to the dock. This rope runs thru a pulley which is attached to the dock at a point 1 m higher than the point at which the rope is

    asked by Ray
  4. chemistry

    Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfer reaction. 2Fe3+ + Sn2Fe2+ + Sn2+ species oxidized species reduced oxidizing agent reducing agent As the reaction proceeds,

    asked by LaMetria
  5. math

    pls help me proffesors! I need solution to this question, please show me the steps involve. The mean of the scores of three students in a class is 9. If the modal score is 11, find the lowest score.

    asked by Banko
  6. Math

    Write a story problem using ten $100 bills, nine $10 bills, and twenty $1 bill

    asked by Alizea
  7. English

    1. The fan is above the desk. (Can we use 'above' any time when the fan is on the ceiling, for example, in each corner. When the fan is directly over the desk, can we use "over" as in the sentence? Can we use 'above' when the fan is in each corner of the

    asked by rfvv
  8. Chemistry

    If a box contain 256 water molecules and 1 Na+ ion , then what will be the Molarity of the solution.

    asked by Robin Jain
  9. Math

    1. Is the equation true, false, or open? 4y 8 = 6y + 3 2. Which value is a solution of the equation 2 - 8x = -6? 3. Which ordered pair is a solution of the equation y - x - 4? 4. Which ordered pair is a solution of the equation y = 4x? 5. Which ordered

    asked by Robin Kwan
  10. Statistics

    About 74% of young adult Internet users (aged 18 to 29) use social network sites. Suppose that a sample survey contacts an SRS of 2000 young adult Internet users and calculates the proportion p̂ in this sample who use social network sites.

    asked by Steph
  11. Math

    A cylinder is inscribed in a cone as shown in the diagram below. The cone has a height of 8cm and a fixed radius of R cm. The cylinder has a radius of x cm and a height of h cm. Show that the volume of the cylinder is maximised when x=kR, where k is a

    asked by Isabel
  12. Chemistry

    Ammonium nitrate a common fertilizer was used by terrorists in the trgic explosion in oklahoma city in 1995.how many litres of gas at 307oc and 1.00atm are formed by the explosive decomposition of 15kg of ammonium nitrate to nitrogen, oxygen and water

    asked by David
  13. Maths quadratic equation

    A ball thrown vertically from the top of a building 96m at initial velocity 80m/sec.the distance 's' of the ball of the ground after 't' second is s=96+80t-4.5t^2. After how many seconds does the ball strike the ground...?

    asked by Akheel a
  14. math

    length of a rectangle is twice its breadth. if ratio of the perimeter of the rctangle and 6 times its length is 1:2. find the dimensions of the rectangle

    asked by abhilash
  15. linear equations

    length of a rectangle is twice its breadth. if ratio of the perimeter of the rctangle and 6 times its length is 1:2. find the dimensions of the rectangle

    asked by abhilash
  16. physics

    A body at rest explodes into three equal parts, two parts after explosion fly off due north and west respectively with velocity 8m/s then calculate the magnitude and direction of velocity of 3rd pat.

    asked by san
  17. Science/Biology/Health and Social Care

    What would happen if the body didn't have any energy? I have looked at Anabolism and Catabolism but I am overall, stuck answering this fully.

    asked by Jess
  18. Chemistry

    What is the pH of a 0.36% by mass HCl?(density=1.0 g/mL)

    asked by Kiven
  19. Chemistry

    How much water at 10°C can be heated to 40°C by the heat evolved from cooling 300g of water from 80°C to 40°C?

    asked by Kiven
  20. Business Psychology

    The CEO of a multinational manufacturing company, with its headquarters in the UK, is considering aligning its organisational culture across all of its sites of operation. Currently, other than the UK, these are located in the US, Japan, and Finland.

    asked by Amanda
  21. Algebra

    Write an equation: 9 added to one fourth of the number is 18.

    asked by Rofee
  22. Social Studies

    Discuss the social reforms that shaped the nation in the 1800s. What do you think have been the lasting impacts of the Reform Era? How do these reforms influence society today? What do you think were the most important social reforms and why?

    asked by Ellie
  23. algebra

    What is the slope of the line y=52x+3 ?

    asked by inaldo
  24. science

    A car is moving at a speed of 72 km/hr. The radius of its wheels is 0.25m. If the wheels are stopped in 20 rotation by applying brakes, then angular retardation produced by the brakes is:

    asked by Nancy
  25. Vectors and matrices

    A triangle T has a vortices (3,-1),(5,-1) and (5,-4).draw and label the traingle T. M is the matrix (1 0) ( 0 -1). The triangle T is mapped on triangle T by the means of transformations M,draw and label T on your diagram. T has a vertices at (3,1),(5,1)

    asked by Vanessa
  26. math

    The area of a square garden is represented by the quadratic expression 9x^2 - 12x + 4. The length of one side of the square garden is 91 inches. What is the value of x ? Hint: Since the garden is in the shape of a square, the expression 9x^2 - 12x + 4 is

    asked by Jalen
  27. English

    Identify the sentence type. I have to do my homework before I can watch TV. a. simple c. complex b. compound d. compound-complex

    asked by Kim
  28. third grade Math

    Julie made 206 cookies. 142 were chocolate chip. write the amount of chocolate chip cookies into a fraction. I am not sure how to solve this. Can anyone help me?

    asked by Sheila
  29. Chemistry

    Calculate the ph value after of 1ml of 0.01 mol/1hcl solution to 1 liter of distilled water that is initially at ph=7

    asked by Abigail
  30. physics

    Dependence of fringe width on lamda D and d

    asked by Amos
  31. Third Grade Math

    What fraction would these coins represent? 3 Quarters, 4 nickels, 2 dimes I can write a fraction for each of them. But I don't know how to write a fraction for all of them together. Can someone explain this to me?

    asked by Sheila
  32. physics

    When the experimental set up is immerse in water of refractive index n=1.5.what will be the charge in beta?

    asked by Amos
  33. precalculus

    8. Solve the system of equations shown below. .3/4x-5/2y=-9 .-x+6y=28 x = 21.5, y = 8.25 x = -8, y = 6 x = 8, y = 6 x = -21.5, y = 8.25

    asked by Anonymous
  34. precalculus

    how do you find all the solutions to the system of equations .x+y=0 .x^3-5x-y=0

    asked by Anonymous
  35. precalculs

    how do you find all the solutions to the system of equations .2x^2-2x-y=14 .2x-y=-2

    asked by Anonymous
  36. geometry

    Determine the Cartesian form of the equation r^2 cos theta -cos3theta

    asked by charles
  37. Third Grade Math

    Baseball teams Manatees won 4 more games than the Herons. They played 9 games in all. What is the fraction amount of games won for the Herons? I don't even know where to begin to solve this. I don't know how to figure out how to find 4 more. I know the

    asked by Sheila
  38. precalculus

    Which of the following shows an inconsistent system of equations? ________________________________________ 4x - 2y = 10 ; y = 2x - 5 3x + 2y = 1 ; 2x - 3y = 1 2x + y = 2 ; y = -2x - 2 3x + 4y = 5 ; 6x + 8y = 10 Is 4x-2y=10 y=2x-5 the correct answer?

    asked by Anonymous
  39. MATH

    A rectangular water tank of base 80 cm ✖ 90 cm contains water up to depth of 40 cm. How many litres are there in the tank?

    asked by Ishika
  40. Social Studies

    what is the connection among sectionalism, slavery, and states rights as causes of the Civil War? How did the southern response to the 1860 election results demonstrate this connection? Could someone help me with this and explain it?

    asked by Lily
  41. maths

    if a room is 5500 sq metres the romm lenth is 6 times the width what is the length of the room

    asked by mary
  42. SELLING MATH!

    Two stores carry a similar stereo for the same original price of $573. One store offers a 16% discount and the second store sells the stereo for $458.40. Which store gives the bigger percent discount? Justify your answer.

    asked by Agal
  43. History

    Why can't a 30-year-old state representative from Raleigh, North Carolina can't become president

    asked by Geno
  44. Calculus

    A particle is moving along the x-axis so that its position at t ≥ 0 is given by s(t)=(t)In(2t). Find the acceleration of the particle when the velocity is first zero. a)2e^2 b)2e c)e d)None of these Any help is greatly appreciated

    asked by Jonathan
  45. Calculus

    A particle moves with velocity function v(t) = 2t^2 − 3t − 3, with v measured in feet per second and t measured in seconds. Find the acceleration of the particle at time t = 2 seconds. a)3/4 feet per second^2 b)-1 feet per second^2 c)32 feet per

    asked by Jonathan
  46. ss

    how did muslim turks influence turkeys development?

    asked by help me pls
  47. Calculus

    The driver of a car traveling at 60 ft/sec suddenly applies the brakes. The position of the car is s(t) = 60t − 1.5t^2, t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop? a)60

    asked by Jonathan
  48. Calculus

    The position of a particle on the x-axis at time t, t > 0, is s(t) = ln(t) with t measured in seconds and s(t) measured in feet. What is the average velocity of the particle for 1 ≤ t ≤ e? a)1 b)e c)e-1 d)1/(e-1)

    asked by Jonathan
  49. Calculus

    A particle moves along the x-axis so that at any time t, measured in seconds, its position is given by s(t) = 5cos(t) − sin(3t), measured in feet. What is the acceleration of the particle at time t = π seconds?

    asked by Jonathan
  50. pre calculus

    Describe the advantages and disadvantages of The method of substitution”, “The method of graphing”, and “The method of elimination” of solving systems of equations

    asked by Anonymous
  51. pre calculus

    Create systems of equations in two variables that have (a) no solution, (b) one distinct solution, and (c) infinite solutions. Show that each system has the indicated number of solutions by using a graph or solving the system.

    asked by Anonymous
  52. SALERY MONEY MATH HELP!

    What does it mean to get a 150% salary raise? Explain in words and then give an example showing a calculation.

    asked by Agal
  53. SC state history

    what inspired most of south carolina's internal improvements?

    asked by unknown
  54. Calculus

    The number of people expected to have a disease in t years is given by y(t) = A.3^(t/a) (i) If now (year 2016) the number of people having the disease is 1000, find the value of A. (ii) How many people are expected to have the disease in five years? (iii)

    asked by Muhammad
  55. Algebra 2

    The period of a pendulum is the time the pendulum takes to swing back and forth. The function L=0.81t^2 relates the length L in feet of a pendulum to the time t in seconds that it takes to swing back and forth. A convention center has a pendulum that is 80

    asked by Olivia N J
  56. algebra

    The perimeter of the rectangle is 62 meters. what is the value of x if one side equal 10 meters.

    asked by Sue
  57. chemistry

    why is the spectrum of hydrogen composed of discrete lines?

    asked by sara
  58. Chemistry

    2 balloons A and B of volume 600 ml and 1000 ml are taken at temperature 400 K. Max capacity of balloon A and B are 800 and 1200 ml resp. When the temperature is raised which balloon will burst first ?

    asked by Minhoya
  59. chemistry

    Find the volume of carbondioxide produced when 25grams ofCalcium carbonate was completely burnt

    asked by Anonymous
  60. chemistry

    Find the volume of carbondioxide produced when 25grams ofCalcium carbonate was completely burnt

    asked by Anonymous
  61. Algebra 2

    2/3 of the children at a school are scared of snakes, 1/3 are scared of spiders, and 1/6 are scared of snakes and spiders. What fraction of those who are scared of spiders are also scared of snakes? 1/2 1/3 1/6 **my choice but I'm not sure 2/3

    asked by Mako
  62. precalculus

    how do you solve 2x + y = 8 4x + 2y = 16

    asked by Anonymous
  63. algebra 1

    LaTasha was presented with the following data set and argued that there was no correlation between x and y. Is LaTasha correct? Use the regression equation to explain your reasoning.

    asked by natasha
  64. precalculus

    solve 17-9x=18y 12y=11-6x

    asked by Anonymous
  65. Chemistry (Dilution) Help please?

    Calculate how to prepare 100.0mL of a 1.25x10^-4 M aqueous solution of Fe(NO3)3(aq) by dilution of stock of 0.0025M Fe(NO3)3(aq) in a 100.0mL volumetric flask? I tried using the m1v1=m2v2 equation but it doesn't look like that equation would work for this

    asked by Ray
  66. Chemistry

    How do differences in molar absorptivity and cell pathlength change the absorbance of a measurement?

    asked by Kiki
  67. Physics

    Hi, I've been having trouble with this physics problem. I'm not sure where to begin. A brick with mass m1=2.5 kg can move without friction on a horizontal plane. The brick is attached to a wall by an ideal spring with spring constant k=2300 N/m. A second

    asked by Josh
  68. Math

    A recipe for cookies calls for 7 and one half 7 1 2 cups of flour. If the recipe is for 22 dozen​ cookies, how much flour is needed for 1313 dozen​ cookies?

    asked by Mei Qi
  69. Math

    A recipe for cookies calls for 7 and one half 7 1/2 cups of flour. If the recipe is for 22 dozen​ cookies, how much flour is needed for 13 dozen​ cookies?

    asked by Mei Qi
  70. Geometry

    Use algebra to classify quadrilateral JKLM. Select all the apply. -Trapezoid -Kite -Square -Rhombus -Rectangle -Parallelogram Point J (2,1) Point K (8,-1) Point L (2,-6) Point M (-4,-4)

    asked by Joe
  71. Math

    A recipe for cookies calls for 7 1/2 cups of flour. If the recipe is for 2 dozen​ cookies, how much flour is needed for 13 dozen​ cookies?

    asked by Mikkie
  72. social studies

    what is a landmark that usually rises more than 2,00 feet above sea level

    asked by olivia
  73. PHYSICS

    A girl on a carousel has a centripetal acceleration of 21.3 m/s2. What is the acceleration of the girl if the carousel's angular velocity is doubled?

    asked by Anonymous
  74. Physics

    A stuntman drives a dirt bike on a curved track with a radius of 17.0 m. If he starts from rest and accelerates at 1.74 m/s^2, at what time will the magnitude of the total acceleration of the bike be 7.04 m/s^2?

    asked by Too Hard!!!!
  75. Physics

    Could someone please help walk me through this problem I'm struggling with? Thanks in advance! A brick with mass m1=2.5 kg can move without friction on a horizontal plane. The brick is attached to a wall by an ideal spring with spring constant k=2300 N/m.

    asked by Jamie
  76. History

    "Congress has not declared war since ww2. In eight occasions since then however it has a natural joint resolutions to authorize the president to meet certain International crisis with military force" What is the strongest conclusion that can be drawn from

    asked by Ren
  77. AP Physics

    Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is μk = 0.27

    asked by Ashley
  78. Art in review Lesson 5 unit 2

    1. Through this collection, you can gain a better understanding of all of the following EXCEPT: A. the history and traditions of a group of people. B. the diversity of a group of people during a specific time period C. the aesthetic choices preferred by a

    asked by Jaosn112
  79. pre calculus

    solve 2x + y = 8 4x + 2y = 16

    asked by Anonymous
  80. Art

    You have two boxes of colored pens. The first box contains a red pen, a blue pen, and a green pen. The second box contains a yellow pen, a red pen, and a black pen. What is the set that represents all the pens? (1 point) {red pen, blue pen, green pen}{red

    asked by Jaosn112
  81. US History

    How did Irish immigrants coming to America cope with the religious discrimination they faced for being Catholics?

    asked by Blair
  82. Math

    Find the function rule. x: -2|-1|0 |1 | 2 y: 9|4 |-1|-6|-11 I don't have an answer yet. There's no options, I have to provide an answer. I've been studying this for at least half an hour and I have no idea what it could be. Any help? Thanks.

    asked by Kenz
  83. Math

    A class of 12 students has taken an exam, and the mean of their scores is 71. One student takes the exam late, and scores 92. After including the new score, what is the mean score for all 13 exams?

    asked by Anonymous
  84. Mathmatics Asap Please!!!!!

    Susanna is going to make some concrete, using cement, sand and gravel, in the ratio 1:3:3. Nicola wants to make 245kg of concrete. There is 40kg of cement, 110kg sand and 105kg gravel. Is there enough material to make concrete. Thank you.

    asked by Chloe
  85. Latin

    how do you say we will love in Latin?

    asked by Anonymous
  86. science

    in evolutionaly terms, RNA is though to have preceded proteins and DNA.

    asked by qq
  87. maths

    r=1-rcos(theta)convert into rectangular equation? r with cos creating trouble for me how to solve this?

    asked by Asfand
  88. Math

    A book of golf balls contains yellow golf balls and white golf balls. You collect the representative sample shown (3 yellow, 2 white). If the bucket contains 50 golf balls about how many golf balls are white ?

    asked by Michelle
  89. Pre-Calculus

    given: ((x-2)^2/9)+((y-4^2/16)=1 what is the major axis?

    asked by Iris
  90. math

    150 children have to go on a school tour. They can use minibuses, which carry x pupils each, or cars which carry y pupils each. The mathematics teacher works out that they could just manage with 10 minibuses and 6 cars, or with 5 minibuses and 18 cars.

    asked by Banko
  91. maths(PLEASE HELP!)

    The mass of a 10p coin is 6.5g find the mass in kilograms of the coins in a £10 bag of 10p. Answer please:?????????

    asked by colette
  92. social studies

    1) BLANK are people who move into one country from another. A) Emigrants B) Immigrants C)Urbanites D) Nomads 2. One of the largest involuntary migrations in history was the transatlantic A) Irish migration. B) immigrant wave. C) slave trade. D) migration

    asked by Michael
  93. math volume

    Tommy decided to also make a sampler can with a diameter of 2 inches and a height of 3 inches. Tommy calculated that the area of the base was es002-1.jpg, and multiplied that by the height of 3 inches for a total volume of es002-2.jpg. Explain the error

    asked by Anonymous
  94. Chemistry (Molarity) Help

    So there's this prelab assignment we're supposed to complete where we would fill out this table with [FeSCN^2+] in each of the test tubes. I'm not completely sure on how to do this? For example, on the first tube calculate the molarity of [FeSCN^2+] with

    asked by Ray
  95. Math

    You have $60.00 in your wallet and want to buy some new CDs. If the CDs are $11.00 each, What number of CDs, x, can you buy? Write and solve an inequality. Then explain you answer. Please help me I have no Idea :/

    asked by help me please
  96. Pre-Calculus

    Can you please give and example of a hyperbola and ellipse with the same vertices and center that I can graph? Then explain the similarities and differences between the graphs.

    asked by Iris
  97. Math

    1.Pick a number to represent the number of times you would like to have chocolate in a week (more than once, but less than 10 times). 2.Double this amount (just to be bold). 3.Add 5. 4.Multiply the result by 50. 5.If you have already had your birthday this

    asked by Melissa
  98. Math

    If I spent $15.85 for three notebooks and 2 boxes of markers the boxes of markers cost 3.95 each and the tax is 1.23 and I have a coupon for 0.75 how much did each notbook cost

    asked by Makiyah
  99. pre calculus

    Use Gaussian elimination to write the system of equations given below in row-echelon form 2x+4y+z=-4 2x-4y+6z=13 4x-2y+z=6

    asked by Anonymous
  100. Math

    Ricky is 4 times as old as his sister, who's 5. How old will Ricky be when he's twice as old as her?

    asked by Calvin
  101. Math

    A barrel contained 60 gallons of water. Water leaked out of the barrel at a rate of 5 gallons every 3 days. How many days did it take for all 60 gallons of water to leak out of the barrel?

    asked by Avery
  102. precalculus

    Write the form of the partial fraction decomposition of the rational expression. 2x-4/x^2-1

    asked by Anonymous
  103. College Algebra

    What is the domain of ln(x-6)^2 and why? There is controversy in the classroom about the answer.

    asked by L
  104. Social studies

    How did the search for religious freedom affect the formation of the New England colonies?

    asked by Renae
  105. Social Studies

    Why did the Dred Scott v. Sandford decision anger Northerners? It made slavery legal in the territories. It sought to continue the series of compromises on slavery. It allowed for expansion of slavery into the North. (my answer) It created popular

    asked by Betta Fish
  106. Social Studies

    "The legislative package known as the Compromise of 1850 postponed the Civil War by a decade. However, like the 1820 Missouri Compromise, the Compromise of 1850 failed to resolve the question of slavery in a meaningful way. Over the course of the 1850s,

    asked by Betta Fish
  107. social studies

    We were worked in all weathers. It was never too hot or too cold it could never rain blow hail or snow too hard for us to work in the field. Work work work The longest days were short for him and the shortest nights too long for him. Which statements best

    asked by anonymous
  108. algebra

    graph y=/x/-2

    asked by sierra
  109. math

    3x1/6=3divided by____ =1/2

    asked by Damian
  110. Algebra2

    8^3x=60 rewrite using the rules for exponents

    asked by Steve
  111. The Simplex Method

    A student earns $10 per hour for tutoring and $7 per hour as a teacher's aide. To have enough free time for studies, he can work no more than 20 hours per week. The tutoring center requires that each tutor spends at least three hours per week tutoring, but

    asked by Jammy
  112. math

    y+4=-2(x+6)

    asked by Anonymous
  113. Biology

    Mendel described two important genetic ideas: inheritance of acquired characteristics and the principle of independent assortment. Provide a brief description of what each one means.

    asked by ANG.
  114. Biology

    What are the key characteristics of a model organism? Name atleast 3 different model organisms used in genetics.

    asked by babarra
  115. social studies

    At home on the hills of Vermont or in the woods of Maine or the Texan ranch comrade of Californians comrade of free north sweeteners of every hue caste am I of every rank and religion. Why did Whitman compose these lines? A. to point out the vastness of

    asked by anonymous
  116. Social Studies

    Which of the following statements best summarizes the system of railroads shown on the map? A. The majority of the railroads that connected the North to the South were built by 1850. B. The railroads established by 1860 each began and ended at a major

    asked by JP
  117. Math

    The drama club is planning a field trip. Two-thirds of the drama club will attend, in addition to 8 teachers. There are 48 people going on the field trip. Write an equation you can use to find the number of students in the drama club.

    asked by Jainam Gandhi
  118. English

    1. The fan is above the desk. (Can we use 'above' any time when the fan is on the ceiling, for example, in each corner. When the fan is directly over the desk, can we use "over" as in the sentence? Can we use 'above' when the fan is in each corner of the

    asked by rfvv
  119. Math

    Let (7,-3) be a point on the terminal side of theta. Find the exact values of sin of theta, csc of theta and cot of theta?

    asked by Justin
  120. Writing help

    I need ideas for a thesis statement with the topic of "Helping Small Businesses Succeed."

    asked by Anonymous
  121. social studies

    At home on the hills of Vermont or in the woods of Maine or the Texan ranch comrade of Californians comrade of free north sweeteners of every hue caste am I of every rank and religion. Why did Whitman compose these lines? A. to point out the vastness of

    asked by anonymous
  122. math

    a bicycle wheel made 3.25 revolutions through how many degrees did it turn

    asked by luren
  123. statistics

    John runs a computer software store. Yesterday he counted 133 people who walked by the store, 66 of whom came into the store. Of the 66, only 24 bought something in the store.

    asked by G
  124. Linear Algebra

    Let L be the line with parametric equations x = 1−2t y = 3+3t z = −1−3t Find the shortest distance d from the point P0=(1, −4, −2) to L, and the point Q on L that is closest to P0. Use the square root symbol '√' where needed to give an exact

    asked by Ramit Rana
  125. Physics

    A 42-kg box slides down a frictionless inclined plane. The angle of the inclined plane is 34.0 degrees. The distance from the box to the bottom of the inclined plane is 3 m. Draw the free body diagram of the force vectors acting on the box. Determine: a.

    asked by Anonymous
  126. pre calc

    Find all solutions to the equation 2 sin^2(θ) − sin(θ) − 1 = 0.

    asked by mathhhhhh4
  127. pre calc

    Find all solutions to the equation 2 sin^2(θ) − sin(θ) − 1 = 0. Please explain throughly. Thank you so much :)

    asked by Anonymous
  128. English

    There are three teams in a classroom. 1. This question is for Team 1. 2. Only Team 2 can answer this question. 2-2. Only students in Team 2 can answer this question. (Do we have to put 'the' before 'students'?) 3. This one is for Team 3 students. 4. Team 1

    asked by rfvv
  129. Chemistry

    If you do percent error and you come up with about 70% error, would this method of testing be considered valid? Why or why not? I don't understand an actual reason to use.

    asked by babarra
  130. Chemistry

    When We Balance Equations In Chemical Reaction,we Are Obeying The Law Of

    asked by Da Silva
  131. Correcting Math

    You and some friends rent a limousine for a formal reception. The bill for the evening is $65.00. A tax of 7% will be added to your total, and you want to tip the chauffeur for his excellent driving. You decide to leave him a tip that is 20% of the bill

    asked by Agal
  132. Chemistry

    This question refers to spectroscopy. So why are certain colors used in this experiment? For example, why would a yellow light be used instead of a green light? And if I were to use a green light instead of a yellow light, would absorbance values be higher

    asked by Sammy
  133. Math

    There are 24 students in mrs. garcia's class .she wants to divide the class evenly into groups of at least 4students .write ways in which she can divide the class

    asked by Anonymous
  134. Interest Finite Math

    IS MY ANSWER CORRECT? If you would like to make $1213 in 8 years, how much would you have to deposit in an account that pays simple interest of 5%? I=1213(.05)(8) I=388.16 Interest Earned is $388.16 1213+388.16=1601.16

    asked by Jammy
  135. Math

    What grouping symbols make this number sentence true 50/10+ 10/2=5

    asked by Angelo
  136. Check It, Math

    A car dealership pays you 6% commission on your first $5,000 on car sales and 8% commission on the sale amount over $5,000. If you sold a $10,000 car, how much is your commission? $600** $700 $800 $500

    asked by Agal
  137. Math

    Find the asymptote of (3)/(2x^(2)+3)

    asked by Grace
  138. Science

    What is the result of c6h5ch2cooh +H^+/KMnO4

    asked by Priya
  139. Family and Consumer Sciences

    I am doing a sewing project. I need to decide what project to do. I have four choices. I need find pros and cons. I am having trouble finding the right format for these pros and cons. they need to be written like " I chose the bunny because it costs less

    asked by Fluffy_Bunny
  140. Math

    Tony broke a larger array into 2 x 9 array and a 4 x 9 array. What did the larger array look like? Draw picture. Write a number sentence to show the relationship between the large array and the two smaller arrays.

    asked by Cc
  141. Pre-calc

    Calculate the period of sin(x), tan(x), sin2(x) and tan2(x). Please explain throughly.

    asked by Anonymous11
  142. CHECKA Math!

    Find the percent of markup. Round to the nearest tenth. $37.00 to $49.00 24.5% 32.4%**** 27.7% 12.0%

    asked by Agala
  143. math

    can i get the working for the question damon you lost me at 3.25*360=?

    asked by luren
  144. math

    it is now 2.00 pm and 15 minutes, what fraction of a whole turn did the minute hand make? what size of the angle in degrees made by the minute hand?

    asked by luren
  145. CHECK! LAST TIME MATH!

    A store is having a 20%-off sale. It gives an additional 10% off if the item is still above $100 after the first discount. A jacket costs $149.99. Will you get the second discount and if so, how many dollars will you save in total? yes;$42.00 yes;$14.49***

    asked by Agala
  146. 2

    all the cotton the South's most profitable cash crop it was not going everywhere why do some Farmers harvest rice or tobacco instead of cotton

    asked by Sage
  147. object oriented programming

    Let’s consider there will be 5 delicious food available at your new restaurant which will open by the end of 2016. To make the cashier's job easier, build a C++ console application to automate the process of billing on a daily basis. Specifically, the

    asked by ramaah
  148. maths

    A school has 250 children, Eighty are boys. What percentage are girls?

    asked by indira
  149. Algebra 2

    the sum of two numbers is 74. one number is 11 more than half the other. find both numbers

    asked by Sharon
  150. maths

    Kerry added N to 2 3/5 and got 6. What is a the value of N

    asked by indira
  151. OPRE

    A producer is very proud of the peaches he grows. He claims that, on average, 10% or less of his peaches in a bushel are defective. You take a sample of 400 peaches and find that 50 are defective. If α = 0.025, what will be the decision?

    asked by Anonymous
  152. CHEMISTRY

    Why would it be better to use lighter colored lights (like yellow) be used in a spectroscopy experiment, rather than a green colored light? If green is used instead of yellow, would absorbance values be higher or lower? I don't understand :(

    asked by Marlene
  153. maths

    A box containing 150 oranges was bought for $120.00 The oranges were sold in heaps of 6 for $10.00. a) How many heaps of 6 were sold? b) Calculate the profit made

    asked by indira
  154. Physics

    Not sure where to go with this problem, any help is appreciated! A bike is turned upside down for repairs. The front wheel can be described as a hoop with radius R=0.6 m and mass M=1.0 kg and a small point mass m=0.005 kg attached to the perimeter to

    asked by Jamie
  155. Math

    How do I writ a equation that involves multiplication,contains a variable and has a solution of 5. Can you please help me

    asked by Nadia
  156. maths

    An entire bag containing 4.8kg of coffee was repacked into smaller packets. each containing 250g. a) How many smaller packets were obtained? b) How much grams of coffee remained after the maximum amount of packets were obtained?

    asked by indira
  157. math

    Farmer Rex planted 48 rows each having 30 corn trees. a) How many corn trees did he plant? b) 1006 plants grew. What percentage of the plants did not grow?

    asked by indira
  158. science (ASAP)

    what does the notation TT mean to genetics

    asked by Miranda
  159. math

    A petrol tanker is 2/5 full.When 35000 litres are added,the tanker will be 3/4 full.What is the capacity of the tanker in litres?

    asked by Banko
  160. Science

    Take 1mL of 1M NaCl solution, and add 9mL of water. Then take 10microL of the diluted solution and add 40microL of water. What is the dilution? And what is the final concentration of NaCl? So I see how this is a 2:1 dilution, but I am having a hard time

    asked by Alli
  161. Math

    Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 24 birds. How many robins did she see than cardinals?

    asked by Valerie
  162. social studies

    How were the lives of white people in the north and south alike and different? can someone help me please

    asked by anonymous
  163. math

    Put the following decimals and fractions in order from greastest to least: 0.15, 2/3, 3/5, 0.25, 1 1/8

    asked by angel
  164. math

    A box containing 150 oranges was bought for $120.00 The oranges were sold in heaps of 6 for $10.00. a) How many heaps of 6 were sold? b) Calculate the profit made

    asked by indira
  165. LANGUAGE ARTS HELLPPPP!!!!!

    1. What is the key to an effective search for your information as you prepare for your presentation? (1 point) A. prewriting B. strong research skills C. paraphrasing D. drawing conclusions

    asked by Mathew
  166. science

    In the following equation , 417.96 g of Bi reacts completely with 200 g of F . How many grams of BIF (to the third power) are formed?

    asked by chels
  167. Chemistry

    What size volumetric flask do you need to dilute a 0.150M NaOH to 0.390M if you pipette 1500ml?

    asked by Sarah
  168. Physics: HELP PLS

    The speed of a wave in a string is given by v = Ö(FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 15.5 g. A 93 g mass is attached to the string and hung over a pulley. The end of the

    asked by Nopie
  169. math

    If a boy gets $1,000 for his pocket money if he says 250 dollar is what fraction does he spend

    asked by nyla collins
  170. math

    An entire bag containing 4.8kg of coffee was repacked into smaller packets. each containing 250g. a) How many smaller packets were obtained? b) How much grams of coffee remained after the maximum amount of packets were obtained?

    asked by indira
  171. Math

    Leah spent 5/6 of an hour doing homework on Monday on Tuesday she spent 3/4 of an hour and on Wednesday she did it in 5/8 of an hour How much time did she spend doing her honework on Minday Tuesday and wednesday I know how to concert 5/6 and 3/4 hour but

    asked by Caroline
  172. 6th grade math

    Tamela's school day is 6 3/4 hours.Yesterday,she had a doctors appointment and she missed 1/6 of her school day.How many school hours did she miss during her doctors appointment?

    asked by Leilani
  173. math

    3^(2x−1)= 1/(27^x)

    asked by Reniey
  174. History

    Why do you think Columbus kept a private log of the miles the ships actually traveled?

    asked by April
  175. math

    ( 1/4 )^(x−2)=16 is x =8

    asked by Reniey
  176. Math

    What number has 2 digits and when a decimal point is placed between them, the resulting number is the average of digits in the 2 digit number??

    asked by Freddie
  177. MATH PLZ HELP

    Tanya and Mona are in the Big Beast Booth at the County Fair. Tanya buys a ticket that gives her three throws with a beanbag at the beasts. There are four beasts, each with a different number on them, 1, 2, 3, or 4. Each time she hits a beast Tanya earns

    asked by Emma R.
  178. American History

    In New England, the town is a major unit of local government. Except for a few major cities, each of the six states in the region is divided into towns. Each town generally includes all of the rural and the urban areas within its boundaries. Which best

    asked by Anonymous
  179. Finite Math

    Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model-A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model-B hibachi requires 4 lb of cast iron and 3 min of labor. The

    asked by Tim
  180. Math

    Easiest way to find probability

    asked by Praise
  181. Math

    Tamela's school day is 6 3/4 hours.Yesterday,she had a doctors appointment and missed 1/6 of her school day.How many school hours did she miss during her doctor appointment?

    asked by Leilani
  182. Math

    Selina has a homework consisting of 4 questions.

    asked by Leilani
  183. Finite

    Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model-A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model-B hibachi requires 4 lb of cast iron and 3 min of labor. The

    asked by John
  184. Math

    Selina has a homework consisting of 4 questions.In each question,she needs to find the value of each power.When she turns in her homework,her teachers say she got tree correct answers of which of the following values did she calculate incorrectly?

    asked by Leilani
  185. geometry

    A segment has endpoints m(5, -2) and n(-1, -2). After a dilation with center(0,0), M'(10,-4), and N'(-2,-4). If the scale factor is 3x+2, then which of the following is the value of x? a) 0 b)1 c)2 d)3

    asked by madison
  186. maths

    To raise funds to purchase gym equipment at school. Peter decided to sell juice. he sold them in cups each holding 250ml for $2 per cup. He sold 45 cups and the juice finished. a) how much juice did he he initially have? b) It cost him $30 to make the

    asked by indira
  187. physics

    a simple pendulum of lengh l,the mass of whose bob is m,is obseved to have a speed v when the cord makes an angle with the vertical.Determine the least value v2 that v could have if the cord is to achieve a horizontal position during the motion

    asked by laura
  188. pre-calculus

    A.) A Ferris wheel has a radius of 32 feet and completes one revolution every 5.4 minutes. What is the speed of the Ferris wheel (in radians per minute)? _______radians per minute B.) A Ferris wheel has a radius of 39 feet and travels 5.6 feet every

    asked by Keira
  189. physics

    a simple pendulum of lengh l,the mass of whose bob is m,is observed to have a speed v0 when the cord makes an angle theta0(0

    asked by laura
  190. Calculus

    a projectile is fired vertically upward from ground level with a velocity of 1600 ft/sec. If air resistance is neglected, find its distance s(t) above ground at time t. What is its maximum height?

    asked by John
  191. math

    A G.P has a common ratio of 2.Find the value of 'n' for which the sum of 2n terms is 33 times the sum of n terms?

    asked by Banko
  192. Geography

    What is the benefits of supporting an expedition

    asked by May
  193. Math

    I have 2 questions that I need help with if someone could please help me step by step to figure out how to do this equation it would be very helpful. Thank you 1. Suppose y varies directly with x and, y=15 and x=5. Write a direct variation equation that

    asked by Anonymous
  194. math

    A rectangular piece of land has a perimeter of 250m. If the length is 65m. What is the width?

    asked by indira
  195. Math

    1. Use point-slope form to write the equation of a line that has a slope of 2/3 and passed through (-3,-1). Write your final equation in slope-intercept form. Is the answer y=2/3+-1 2. Write an equation of the line that passed through (2,-1) and is

    asked by Anonymous
  196. Science , Biology

    Is Atlantic spadefish Nocturnal or Diurnal? Carnivore, Herbivore, Autotroph? Is Porcupine fish Carnivore, Herbivore, Autotroph? Please give me informationsss!!

    asked by A.
  197. Math

    The of stamps owned by Shirley, Mary and Daisy is in the ratio of 5: 6 7. The total number of stamps is 540. Mary gives so of her stamps to Shirley and 40 stamps to Daisy. Find the new ratio of their stamps.

    asked by Anonymous
  198. Math

    Selina has a homework consisting of 4 questions.In each question,she needs to find the value of each power.When she turns in her homework,her teacher says she got 3 correct answers which of the following values did she calculate incorrectly? a.(-3)0 = 1

    asked by Leilani
  199. Chemistry

    Based on my percent error (65.8%), would this method of testing for iron be considered a valid means of determining iron content in vitamin pills? Why or why not? I don't understand how to fully answer this question. Since my percent error is high, would

    asked by Shelene Ramos`
  200. Science , Biology

    Which creatures live on the energy of the Sun? Angel fish Suquirrel fish Sea urchins Porcupine fish Octopus

    asked by AM
  201. Modle

    I just dont under stand this Q Q:Amoble of an apartment is shown where 1/4 inch represent 3 feet in the actual apartment. Determine the actual area of the master bedroom. Plz help me

    asked by Mya
  202. Science

    A car completes a half of a circular track that has a radius of 10 m. What is the distance traveled by the car? What is the displacement of the car?

    asked by Rose
  203. Chemistry

    E=hc/lambda How would I rearrange this to be able to solve for the other variables (c or lambda)??????? Please and thank you.

    asked by Corin
  204. Calculus

    For what values of the constants a and b is (1,3) a point of inflection of the curve y=ax^3+bx^2?

    asked by Ben
  205. Math

    How many 6-inch long pieces of ribbon can be cut from a piece that is 3 yards long?

    asked by Emily
  206. English

    The word phosphorescence and gelatinous would be categorized under the label The answer are A. Marine animals B. Fishing terms C. boat terms D. Marine images I hope somebody can help me

    asked by Jenny
  207. LA HELP!

    What is the meaning of the word culminated as it is used in the following sentence from "All Together Now"? Think about the 1960s when Dr. Martin Luther King, Jr., was in his heyday and there were marches and protests against segregation and

    asked by Agala
  208. Calc

    Find the derivative. f(x)= √x^2-4,-2arcsec(x/2)

    asked by Ian
  209. algebra

    Find the slope of the line through (–9, –10) and (–2, –5).

    asked by J J
  210. chemistry

    In an adiabatic coffee cup, a 75mL of 1.0M HCl and 50mL of 1.0M HaOH were neutralize. The initial temperature is 22.1 C and the final temperature is 26.3 C. What is the therapy? S=4.18g/JC and the heat capacity of the adiabatic coffee cup is 18.80J/C.

    asked by KO
  211. physics

    so i created a graph Fe(N) vs. 1/r^2,so electric force vs the inverse squared of the radius.My slope was 9.21E-28, which was right. But what does the slope represent and how would I answer this question? a. Based on the slope of the line you created,

    asked by jon snow
  212. English

    What does this mean? "The world abounds with masterpieces, and yet they do not fill my two hands"

    asked by Mia
  213. Social studies 5th grade

    What was difference in exploring for Spain and France? Why did each of them explore? Compare and contrast

    asked by Notgonnasaymyname
  214. physics

    why you expect the temperature of water at the bottom of Niagara falls to be slightly higher than the temperature at the top of the falls. Why?

    asked by Anonymous
  215. precalculus

    write the form of the partial fraction decomposition of the rational expression (2x-4)/(x^2-1)

    asked by Anonymous
  216. precalculus

    write the form of the partial fraction decomposition of the rational expresion. (x^2-x+2)/x(x-1)^2

    asked by Anonymous
  217. Math

    1 3 3 6 6 10 10 15 How do you get from the first number to the next?

    asked by Katie
  218. Science

    The Sun exerts a gravitational force of 3.56 x 10^22 N on Earth. The mass of the Sun is 2.0 x 10^30 kg. The mass of the Earth is 6.0 x 10^24 kg. If we assume the Earth has a circular orbit of 1.5 x 10^11 m, what is the velocity needed for Earth to remain

    asked by Boberto
  219. precalculus

    how do you determine when a system of equations is written in row-echelon form?

    asked by Anonymous
  220. English

    Why does Hawthorne begin the story with a reflection about the need for a cemetery and a prison? I read the chapter 1 and dont know why the author begin the story like that. The book is called the scarlet letter and question pertains to the first chapter.

    asked by Emma
  221. AP Chemistry

    The rate constant for the equation, 2C2F4 → C4F8, is 0.05 M^−1· s^−1. We start with 0.111 mol C2F4 in a 3.00-liter container, with no C4F8 initially present. What will be the concentration of C2F4 after 1.00 hour? Answer in units of M.

    asked by David
  222. precalculus

    write the system of equations in row-echelon form 2x+4y+z=-4 2x-4y+6z=13 4x-2y+z=6

    asked by Anonymous
  223. precalculus

    write the equation of the parabola y=ax^2+bx+c that passes through the points(0,3), (1,4), and (2,3)

    asked by Anonymous
  224. algebra

    Suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of 11% per hour. Suppose also that a sample culture of 1000 bacteria is obtained from this population.

    asked by rhonda
  225. Linear Algebra

    Let L be the line with parametric equations x = 1−2t y = 3+3t z = −1−3t Find the shortest distance d from the point P0=(1, −4, −2) to L, and the point Q on L that is closest to P0. Use the square root symbol '√' where needed to give an exact

    asked by Ramit Rana
  226. Science

    A new geosynchronous satellite needs an orbit of 35.7 km . The mass of the Earth is 5.97x 10^24 Kg and the radius of Earth 6.4 x 10^3 km. The mass of the satellite is 200 Kg. What velocity will it need to achieve that orbit?

    asked by Boberto
  227. math algebra

    The lengths of the three sides of a right triangle are given by three consecutive even integers. Find the lengths of the tree sides.

    asked by laura
  228. Social Studies

    Which of the following was stated as part of the Dred Scott v. Sandford ruling? A. Only Congress could decide wheter to allow slavery in the territories. B. Congress could not decide wheter to allow slavery in the territories. C. Popular sovereignty was

    asked by ¤Steampunk¤
  229. Physics

    An iron ball of diameter 15.23cm rests on a brass ring of internal diameter 15.0cm at a temperature of 20 degrees celsius. To what temperature must both be heated for the ball to pass through the ring?

    asked by Onyi
  230. Literature

    What does this quote mean> "The world abounds with masterpieces, and yet they do not fill my two hands"

    asked by Mia
  231. Math

    The sales tax in the town where Amanda lives is 7%. Amanda paid $35 in sales tax on a new stereo what was the price of the stereo

    asked by Yuliana
  232. English

    What would be an example of something that is written not for the purpose of reading?

    asked by CarlyJeane
  233. Physics

    Not sure where to go with this problem, any help is appreciated! A bike is turned upside down for repairs. The front wheel can be described as a hoop with radius R=0.6 m and mass M=1.0 kg and a small point mass m=0.005 kg attached to the perimeter to

    asked by Jamie
  234. science

    what does the slope of a electric force vs. 1/R^2 graph represent?

    asked by jon snow
  235. Math

    If I spent 1/3 of my money on a pen and 4/7 on books how much do I have left?

    asked by Emily
  236. chemistry

    Write a balanced equation for the reaction of liquid bromine with chlorine gas.

    asked by annie
  237. math

    how much should be invested now at an interest rate of 6.5% per year, compounded continuously, to have $3000 in 4 years? do not round any intermediate computations and round answer to nearest cent.

    asked by .
  238. Chemistry

    What is the relationship between the energy of a single photon and the energy of a mole of photons? This is very confusing.

    asked by Molly C. Davids
  239. Chemistry

    Phthalic acid, H2C8H404, is a diprotic acid used in the synthesis of phenolphthalein indicator. Ka1= 1.2x 10^-3, and Ka2 = 3.9 x 10^-6. a) Calculate the hydrongen-ion concentration of a .015 M solution. b) What is the concentration of the C8H4O4^2- ion in

    asked by Crystal
  240. Physics

    A 250kg rollercoaster cart loaded with people has an initial velocity of 3m/s. Find the velocity of the cart at part A (10m high), B (35m), and C (44m) Assume that friction is negligible.

    asked by Anna
  241. Physics

    An ore car of mass 44000 kg starts from rest and rolls downhill on tracks from a mine. At the end of the tracks, 26 m lower vertically, is a horizontally situated spring with constant 4.5 × 105 N/m. The acceleration of gravity is 9.8 m/s 2 . Ignore

    asked by Jack
  242. physics

    An airplane is flying above the Earth's surface at a height of 10.9 km. The centripetal acceleration of the plane is 16.7 m/s2. What is the angular velocity of the plane moving in uniform circular motion? Take the radius of the earth to be 6400 km. Please

    asked by Uoit student
  243. Math Logs

    logbase4(x+5)=3+logbase4(x-2) Tried so many times please help!

    asked by Laura
  244. Physics

    An airplane is flying above the Earth's surface at a height of 10.9 km. The centripetal acceleration of the plane is 16.7 m/s2. What is the angular velocity of the plane moving in uniform circular motion? Take the radius of the earth to be 6400 km.

    asked by Uoit student
  245. Science

    A new geosynchronous satellite needs an orbit of 35.7 km . The mass of the Earth is 5.97x 10^24 Kg and the radius of Earth 6.4 x 10^3 km. The mass of the satellite is 200 Kg. What velocity will it need to achieve that orbit

    asked by Boberto
  246. Chemistry

    1.Which of the following is most soluble in water and why ? a.Ag2SO4 b.Hg2SO4 c.MnCO3 d.CaSO4 2.PH of which salt is same for 1M and 5M solution both and why? a.HCOONa b.C6H5NH3^+Cl c.NH4CN d. NaCN 3.NH4OH is highly soluble in and why ? a.CuSO4 b.AgNO3

    asked by Minhoya
  247. English

    can anyone please summarize the short story "an ordinary soldier of the queen" because I didn't understand it at all and I am very confused ? I read it 3 times but still dont understand what happened, if anyone has read it please help:) very appreciated:)

    asked by Eriha
  248. Inequality 6 grade math help

    Am I doing this right? Mr. Wizard started at zero and jump to left 7 feet. Auntie long legs started at zero and John to right 5 feet which frog was ahead? Write an inequality statement (using < or >) to compare the values of their lending points. 7

    asked by Jessica
  249. Math

    There are 20 bottles in a box. Each bottle weighs 1 3/4 pounds. How many pounds do all the bottles weigh together?

    asked by Pamela
  250. Absolute value statement

    This is part b:can someone help me of I'm doing this right. Mr. Wizard started at zero and jump to left 7 feet. Auntie long legs started at zero and John to right 5 feet. Wright an absolute value statement that shows the distance that each frog ended up

    asked by Jessica