Questions Asked on
September 23, 2015

  1. science

    The modern atomic model includes electrons orbiting the nucleus. Which of the following parts of Dalton's atomic model was disproved by the discovery of the electron? - Atoms are tiny particles. - Atoms cannot be divided into smaller parts . - Atoms have

    asked by julia
  2. english

    1. What does Al Gore, author of An Inconvenient Truth, demonstrate about the level of at atmospheric carbon dioxide levels? A. Each year, the CO2 level rises and then falls. Over the past 50 years, it has steadily increased. B. Each year, the CO2 level

    asked by Halie
  3. algebra I

    find all numbers such that a third of a number increased by half that number is at least 3 less than that same number. not sure what to do

    asked by nick
  4. Chemistry

    You purchased a 5.00 pound bag of sugar (sucrose, C12H22O11) at the grocery last week to bake cookies. Conversion: 1 pound = 1 lb = 454 grams. a.How many grams of sucrose did you purchase? 454 grams (g) = 1 pound (lb) 454 g * 5 = 2270 g A 5 pound bag of

    asked by Chelsea
  5. Chemistry

    At 573 K, gaseous NO2(g) decomposes, forming NO(g) and O2(g). If a vessel containing NO2(g) has an initial concentration of 1.9 × 10−2 mol/L, how long will it take for 75% of the NO2(g) to decompose? The decomposition of NO2(g) is second-order in the

    asked by Jim
  6. Science

    Plants continue to grow throughout their lives by producing new plant material. Photosynthesis is required for this process to occur. True or false? And explain why.

    asked by Please check
  7. college chemistry

    From your mass of MgNH4PO4.6H2O collected, calculate your value a) for the mass of "P2O5" in the initial mass of fertilizer analyzed b) the % "P2O5" in the fertilizer. Compare this with the manufacturer's specification. Just want to know how i would go

    asked by ali
  8. Algebra

    A type of plant is introduced into an ecosystem and quickly begins to take over. A scientist counts the number of plants after m months and develops the equation p(m)=19.3(1.089) raised to m, to model the situation. Most recently, the scientist counted 138

    asked by Lina
  9. Algebra

    The general equation for depreciation is given by y = A(1 – r)t, where y = current value, A = original cost, r = rate of depreciation, and t = time, in years. A car was purchased 6 years ago for $25,000. If the annual depreciation rate is 11%, which

    asked by Lina
  10. probabilty

    There are 4 baskets. The first basket has 3 apples and 4 oranges, the second one has 4 apples and 5 mangoes, the third one has 6 Mangoes and 2 bananas and the last one has 7 bananas and 2 apples. If a fruit is randomly chosen from any basket and it comes

    asked by sarita
  11. Chemistry

    An unknown organic compound is 40.00% C, 6.67% H and 53.33% O by mass. The formula weight of the unknown is 90.0g/mole. Find the empirical and molecular formulas for the unknown compound.

    asked by Chelsea
  12. college chemistry

    From your mass of MgNH4PO4.6H2O collected, calculate your value a) for the mass of "P2O5" in the initial mass of fertilizer analyzed b) the % "P2O5" in the fertilizer. Compare this with the manufacturer's specification. Just want to know how i would go

    asked by ali
  13. Math

    9. how you would convert the repeating, non terminating decimal to a fraction? explain the process as you solve the problem. 0.1515 I don't understand this question can someone help explain this?

    asked by Adri
  14. physics

    Henry hits a hockey puck in the positive x-direction at time, t ≈ t0. The puck is then stopped by a net starting at time, t ≈ t1. Which of the following curves could describe the acceleration of the hockey puck if we ignore any effects of friction? 1.

    asked by confused
  15. Chemistry

    Problem: Assume 200.0 mL of 0.400M HCl is mixed with 200.0 mL of 0.400M NaOH in a coffee-cup calorimeter. The temperature of the solutions before mixing was 25.10°C; after mixing and allowing the reaction to occur, the temperature is 27.78°C. What is the

    asked by Michala
  16. math

    If p and q are real numbers such that p>5 and q>4, what is the smallest integer larger than the product of pq? a. 9 b. 10 c. 19 d. 20 e. 21

    asked by anonymous
  17. Science

    What is/are the main factor(s) that determine(s) that your plants will grow into bean plants (or other fast-growing plants that you used for your experiment) and not some other type of plant (genetics, environment, or both)? Explain your answer

    asked by Please Help!
  18. Math ratios

    Bob needs to mix 2cups of orange juice conCentrate with 3.5 cups of water to make orange juice.bob has 6 cups of concentrate. How much orange juice can he make?

    asked by Anonymous
  19. green valley college

    the principal constituents of natural gas is methane which burns in air according to the reaction CH4+O2=CO2+H2O How many grams of CO2 is produced when you have 50g of both CH4 and O2 what is the limiting reactant?

    asked by rosvel
  20. Math

    1. Jenny is building a rectangular garden around a tree in her yard. The southwest corner of the garden will be 2 feet south and 3 feet west of the tree. The northeast corner of the garden is 1 foot north and 4 feet east of the tree. What will be the

    asked by Tim
  21. Science

    What is/are the main factor(s) that determine(s) that your plants will grow into bean plants (or other fast-growing plants that you used for your experiment) and not some other type of plant (genetics, environment, or both)? Explain your answer

    asked by Help!
  22. Chemistry

    For the following chemical reaction, how many moles of lead(ii)iodide (PbI2) will be produced from 8 mol of potassium iodide (KI)?

    asked by Cindy
  23. English

    Which of the following was valued during the Romantic period? logic individualism balance restraint

    asked by Carl
  24. Chemisty

    Based on equation: 2MnO4¬¬(-) + 6H(+) +5H2O2 → 2Mn(2+) +8H2O + 5O2 A 50.0 mL solution of hydrogen peroxide of unknown concentration was diluted with 1.00L of water. 25mL of this diluted solution was then titrated with acidified potassium permanganate;

    asked by Bree
  25. math

    in an examination, 31 candidate passed chemistry, 29 passed physics and 3 failed both subject. if 50 candidate sat for the examination, how many of them passed chemistry only?

    asked by Anonymous
  26. Algebra

    An equation for the depreciation of a car is given by y = A(1 – r)t , where y = current value of the car, A = original cost, r = rate of depreciation, and t = time, in years. The value of a car is half what it originally cost. The rate of depreciation is

    asked by Lina
  27. chemistry

    CaO(s) reacts with SO2(g) according to the following equations: CaO9(s)+So2(g)--> CaSO3(g). A 8.85g mixture containing CaO(s) is placed in a 3.00-L container. The container is filled with SO2(g) to a pressure of 749 torr, at 20.0 degree Celsius. After the

    asked by valentine
  28. green valley college

    automotive airbags inflate when sodium aside NaN3 Rapidly decomposes to its consistent elements. the equation for the chemical reaction is NaN3=Na+In2 The gaseous N2SO generated inflates the airbag. How many moles of NaN3 would have to decompose in order

    asked by rosvel
  29. algebra

    maria and tim sold candy bars for a fundraiser.maria sold 7 less than twice the number of candy bars that tim sold.in total maria and tim sold 137 candy bars.find the amount of candy bars sold by each

    asked by traina
  30. math

    Laura drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 6 hours. When Laura drove home, there was no traffic and the trip only took 4 hours. If her average rate was 22 miles per hour faster on the trip home,

    asked by brianna
  31. Math

    After a genetics experiment on 67 pea plants, the number of plants having certain characteristics was tallied, with the results given below. Answer parts (a) through (c). 22 were tall 35 had green peas 42 had smooth peas 12 were tall and had green peas 20

    asked by jamie
  32. Physical

    A sonar device uses sound to measure distance under water. The speed of sound in water is about 1,400 m/s. If a ship sends a signal it reflects back off of an object such as another submarine or a whale and takes 3 seconds to return, how far away is the

    asked by Andew
  33. Math

    Connor ran around the 1/4-mile track 15 times! Express the distance he ran as a mixed number.

    asked by Helen
  34. physics

    A lizard accelerates from 2m/s to 10m/s in 4 seconds. What is the lizards average acceleration?

    asked by eve
  35. Chemistry

    If silver has a density of 9.32 g/cm^3 how do you find the length of one side of an 184 g silver cube

    asked by Kaleigh
  36. W

    Some people in a hotel are dropping water balloons from their window onto the ground below. The balloons take .15s to pass your 1.6m tall window. Where should security look for the raucous guest? Express your answer using tow significant figures.

    asked by J
  37. Social Studies

    2) An econmy’s total output divided by the total population is called: a- gross national product b- circular flow** c- GDP per capita d- net export

    asked by Lily
  38. Physics

    A small container of water is placed on a carousel inside a microwave oven, at a radius of 13.5 cm from the center. The turntable rotates steadily, turning through one revolution each 6.90 s. What angle does the water surface make with the horizontal? Im

    asked by Michael
  39. Chemistry

    How many moles of ammonium ions and how many moles of sulfate ions are contaiuned in a 0.400 mile sample of (NH4)2SO4? Referring to the 0.400 mole sample of (NH4)2SO4 on the previous page, how many atoms of N,H,O, and S, are contained in this sample?

    asked by Chelsea
  40. math

    find X if the numbers X+3, 5x-3, and 7x+3 are three consecutive terms of a G.P of positive terms. with this value X and given the X+3, 5x -3 and 7x +3 are the third, fourth and fifth terms of the G.P.. find the sum of the first 8 terms of the progression.

    asked by mili
  41. Math

    The odometer on a car shows 26962 km. Notice that this number is a palindrome. After the car has travelled two hours at a constant rate, the odometer shows the next possible palindromic number. How fast is the car travelling?

    asked by Sandy
  42. geometry

    which angle forms a vertical pair with nsm

    asked by tj
  43. math

    A guy wire is attached to the top of a radio antenna and to a point on horizontal ground that is 50.0 meters from the base of the antenna. If the wire makes an angle of 59°30' with the ground, approximate the length l of the wire. (Round your answer to

    asked by Anonymous
  44. maths

    express the ratio of 4.50,3.60,1.80 init's simplest form

    asked by John suno
  45. grammar

    Identify the sentence parts by placing the red abbreviations in their correct locations. Put parentheses around the prepositional phrases. Identify the subject, verb, and any complements (direct object, indirect object, subject complement, objective

    asked by Jasmine
  46. IPC

    A motorcyclist changes the velocity of his bike from 20.0 meters/second to 35.0 meters/second under a constant acceleration of 4.00 meters/second2. How long does it take the bike to reach the final velocity?

    asked by andrea
  47. Chemistry 102

    What is the freezing point in ∘C of a solution prepared by dissolving 6.60 g of MgCl2 in 110 g of water? The value of Kf for water is 1.86 (∘C⋅kg)/mol, and the van't Hoff factor for MgCl2 is i = 2.7.

    asked by Dee
  48. U.S. History (Ms.Sue)

    Why did Southern Democrats walk out of the Democratic Convention?

    asked by Victoria
  49. math

    A recipe calls for 4 cups of flour to make a dozen cookies. How many cups of flour would be needed for 54 cookies?

    asked by ally
  50. Physics

    If you throw a ball straight up at 10 m/s and release it 2m above the ground: a) What height will the ball reach V^2=u^2+2as 0=100+19.6s s=5.1+2 s=7.1m b)How long after you release the ball will it hit the ground? (Answer should be 2.22s but need help

    asked by Lisa
  51. english help please!!

    Has anyone read the War of the worlds? I need to make a topic sentence for either 1. Based on this chapter, what might be the author’s message or theme? or 2. How is H. G. Wells’ fictional world in War of the Worlds similar to the real world? Help me

    asked by Oscar
  52. Physics

    an airplane flies sue west at 185 km/h with respect to the air. there is a wind blowing at 85 km/h to the northeast relative to the ground. what is the planes speed and direction with respect to the ground answers. // our class is literally stuck in this

    asked by Katelyn
  53. Movement and Music

    At what age are children usually able to hop? 20% 30% 40% 50%

    asked by Yvonne
  54. Chemistry 151

    How many moles of chloride ions are in 0.2580 g of aluminum chloride?

    asked by Mariah
  55. Physics

    You are driving off of a horizontal cliff, and your car has a horizontal velocity of 29.33 m/s at the instant you leave the cliff. The cliff is an unknown height above a rocky ravine, but you land 146.8 m away from the sheer cliff face. How tall is the

    asked by Ashley
  56. Chemistry

    Separation of a mixture Lab - SiO2, NaCl, NH4Cl So step #7 was: Carefully pour off (decant) the liquid into the second evaporation dish, Adding deionized water in small amounts to the first dish and to stir it, and pour the liquid again into the second

    asked by Abby
  57. AP History

    Which of the following statements about the slave trade that developed from the fifteenth century onward is correct? AThose sold into slavery by African kings were primarily undesirables such as lawbreakers or persons accused of witchcraft. [B] Slavery

    asked by sydney
  58. U.S. History (Help!)

    How did the issue of Kansas reflect the growing division between North and South?

    asked by Victoria
  59. math

    Tim needs 18 pens. He can buy them in packages of 6, 9, or 12. He will buy only one type of package WHich packages could Tim buy? Which packages could Tim buy exactly 18 pens.

    asked by Anonymous
  60. Math

    If 2 inches represents 8 ft on a scale drawing, how many feet does 6 inches represent? Inches=2 inches=6 feet= 8feet=____

    asked by Amy
  61. Algebra 2

    The total area of two square windows is 1,025^2 in.2. Each side of the larger window is 5 in. longer than the sides of the smaller window. How long are the sides of the smaller window? a.13.5 in. b.20 in. c.25 in. d.31.6 in. Please help me and explain I'm

    asked by Vivian Van Pelt (urgent)
  62. chemistry

    Calculate the mass of salt needed to prepare 100 cm3 of 0.05 M solution of: (i) Fe(NH4)2(SO4)2.6H2O (ii) FeNH4(SO4)2.12H2O

    asked by ronika kumar
  63. math

    ginger sent 18 text messages yesterday.jerry sent 4 more than twice as many messages as ginger sent. kyle sent 15 fewer messanges than jerry.how many test messges did jerry and kyle send?

    asked by juan
  64. math

    You decide you will buy a stock only if it shows an overall increase over the next 30 days. The first 10 days it has an average daily increase of $0.30. The next 10 days it has an average daily decrease of $0.45. The last 10 days it has an average daily

    asked by SE
  65. math

    A recipe calls for 4 cups of flour to make a dozen cookies. How many cups of flour would be needed for 54 cookies?

    asked by ally
  66. Physics

    A skier takes off a ski jump, with a velocity of 25m/s at an angle of 30 degrees above the horizontal/ the take off point is 2 m above the slope, which falls away in front of her 15 degrees below the horizontal. Treating the skier as a point particle and

    asked by Nicholle
  67. Health

    Girth measurements are reliable method of measuring body composition? A. True B. False*** There are many different methods of measuring body fat however the results may vary and it is often hard to determine their accuracy? A. True B. False***

    asked by Abby
  68. Chemistry

    Suppose water contained some harmful volatile substance. How could you easily remove the volatile substance in a laboratory?

    asked by Z
  69. Physics

    Two forces whose resultants is 100N are perpendicular to each other. If one of them makes an angle of 60 degree with the horinzontal. Calculate its magnitude

    asked by Maria-Gorretti
  70. Math

    Paul was given this math problem on a test to simplify: 1/4 + (5/8 + 1/2). after calculating, Paul mistakenly simplified to 9/32 as his final answer In which step did Paul make his first error? Show your work! My work Paul's work 1/4 /9/8 1/4 /(5/8 + 4/8)

    asked by Steve B
  71. Algebra

    Calvin deposits $400 in a savings account that accrues 5% interest compounded monthly. After c years, Calvin has $658.80. Makayla deposits $300 in a different savings account that accrues 6% interest compounded quarterly. After m years, Makayla has

    asked by Lina
  72. Algebra 1

    Which sum of difference is equivalent to the following expression? 2x + 3 ______ 4 a.) x/2 + 3/4 b.) x/2 - 3/4 c.) 3x/4 + 3/4 d.) 8x + 24 I think it's either a or d, please help me.

    asked by kiddo
  73. chemistry

    Calculate the mass of salt needed to prepare 100 cm3 of 0.05 M solution of: (i) Fe(NH4)2(SO4)2.6H2O

    asked by ronika kumar
  74. algebra

    find three consecutive odd integers such that the sum of the middle and largest integer is 21 more than the smallest integer

    asked by traina
  75. Physical Science

    how much energy must be removed from 1 L of water at 25 C and turn it to ice at -10 C?

    asked by Christina
  76. English

    Posted by rfvv on Wednesday, September 23, 2015 at 4:21pm. 1. Peter is the boy whom I met in U.K. 2. Peter is the boy whom I met in the U.K. ==================== Which one is right? Is # 1 OK without 'the'? English - Reed, Wednesday, September 23, 2015 at

    asked by rfvv
  77. Chemistry

    The reaction 2NO(g) + 2H2(g) N2(g) + 2H2O(g) goes twice as fast when the concentration of H2 is doubled but four times as fast when the concentration of NO is doubled. What is the overall reaction order? I did it like this: k[NO]^m[H2]^n 2r=[H2]^n, meaning

    asked by Jim
  78. Quick algebra help

    What would this look like if a write a function g whose graph represents the indicated transformation of the graph of f? 1. f(x)= |x| translation of 5 units left and 2 units up 2. f(x)=x^2; reflection in the c axis and translation 8 units left

    asked by Hannah
  79. Algebra

    If you have a box of chocolate that has 5 dark chocolates and 8 milk chocolates. How many times would you have to reach in the box and take a chocolate out at a time. How many times would you have to reach in to get at least either 2 milk or 2 dark

    asked by Kristi
  80. Math

    Post a New QuestionCurrent Questions Homework Help: Math Posted by Mikil on Wednesday, September 23, 2015 at 6:50pm. Write a linear equation in slope intercept form for each of the following: A line perpendicular to y=x+2 that passes through the origin. A

    asked by Mikita
  81. physics

    A cannonball is fired with an angle of 40 degree above the horizontal.If the velocity when it hits the ground is 80 m/s FIND a.Viy b.time of travel c.max height d.range

    asked by gimel
  82. Math

    It's your birthday and you are going to have a party. You buy 6 pints of ice cream. If you serve each of your guest 2/3 of a pint, how many guest can be served?

    asked by Amy
  83. Physics

    how much heat is needed to vaporize a 400.0 g of liquid water at 310.0 K?

    asked by Felix
  84. physics

    Two racing boats set out from the same dock and speed away at the same constant speed of 120 km/h for half an hour (0.500 h), the blue boat headed 23.7° south of west, and the green boat headed 34.4° south of west. During this half-hour (a) how much

    asked by sophia
  85. Social Studies

    Which of the following is most likely to help countries in West and Central Africa solve their economic problems? A. griots B. microcredit C. imports of natural resources D. negative balance of trade I think the answer is D.

    asked by Molly
  86. Math

    If I have a random stack of 5 quarters, the 1st 3 quarters are heads. What is the probability the the 4th quarter would be another head What is the probability the the 4th quarter would be a tail Is there a way to show the probability or odds that you

    asked by Jeff
  87. chemistry

    Calculate the value of the [Fe3+]/[Fe2+] if 3 cm3 of the 0.05 M Fe3+ solution is added to 25 cm3 of the 0.05 M Fe2+ solution

    asked by ronika kumar
  88. English

    How can I introduce 2 of these quotes with a SUBJECT VERB construction & a COMMA??? QUOTE 1) CITATION> (Thoreau 8). All men recognize the right of revolution; that is, the right to refuse allegiance to, and to resist, the government, when its tyranny or

    asked by Beth
  89. Grammar

    There was also an admission for I terrine contractions and some brown red discharge and questionable bleeding.

    asked by Anonymous
  90. socials

    How has Britain’s political system impacted Canada’s political system (e.g., how, to a great extent, it’s modelled on it in the type of government we have, legal system, etc.)? Make sure to also include the influence of the English Bill of Rights and

    asked by mmmmm
  91. maths

    6.The angle of elevation to the tower is 30(degree) and then moved towards the tower of a distance 20m. Now the angle of elevation is 60(degree). What is the height of the tower?

    asked by Anonymous
  92. English

    Will someone help me write setences for each of the purposes listed below? Also, please tell me if the sentences that I have written so far are alright. The topic must be video games. To inform: If you think video games damage the human brain, think

    asked by Victoria
  93. physics

    An object is dropped from rest at a height of 112 m. Find the distance it falls during its final second in the air. m

    asked by Anonymous
  94. Chemistry

    I need help I do not know how to set up this problem. Calculate the energy to heat three cubes gold aluminum and silver from 15 Celsius to 25 degrees Celsius. Density gold:0.129 J/g degrees C Density aluminum: .896 J/g degrees C Density silver: .235 J/g

    asked by Amber
  95. Math

    Write a linear equation in slope intercept form for each of the following: A line perpendicular to y=x+2 that passes through the origin. A line perpendicular to y = -1/2x + 5 that passes through the points (4,1) and (1,-5). A line that is the perpendicular

    asked by Mikil
  96. Health

    the is an instrument used to preform a type of body fat evaluation? A. Tape measure B. Skinfold caliper*** C. Hydrostatic caliper

    asked by Abby
  97. pre-calculus

    Almonds cost fiver per pound and cashews cost nine per pound. How many pounds of almonds should be mixed with the cashews to make 10 pounds of a mix that sells for eight dollars per pound?

    asked by mary
  98. Physics

    A fast, measured pitched baseball left the pitcher's hand at a speed of 48.6 m/s. The pitcher was in contact with the ball over a distance of 1.44 m and produced constant acceleration. I know that t=(Vf-Vi)/a based on a kinematic equation. Also, I setup:

    asked by Skylar
  99. Physics

    A rocket engine can accelerate a rocket launched from rest vertically up with an acceleration of 18.4 m/s2. However, after 49.6 seconds of flight the engine fails. Neglect air resistance and assume g = 9.80 m/s2 throughout the flight.

    asked by Melissa
  100. History

    why did the English settle in Virginia in the 17th century ?

    asked by Anonymous
  101. MATH

    Find the LCD them make in into similar: -3y 4y^2 ____ , _____ x-1 x^2-1

    asked by Camz
  102. math

    between 800 and 900 . tens digit is 3 more than the ones digit . ones digit is 5 less than the hundreds digit

    asked by erwin
  103. Geometry

    The endpoints of the diameter of a circle are at (1, 2) and (7, -6). What is the circumference of the circle, to the nearest tenth of a unit? 15.7 31.4 62.8 78.5 Please help?

    asked by SkatingDJ
  104. science

    A body is projected vertically upwards from the ground such that its speed at half the maximum height is 20m/s. Find the maximum height attained by it.

    asked by Vidya
  105. chemistry

    Use the percent composition of total protein in skim milk to determine the percent of the total protein that is due to the casein fraction. my percent composition of total protein in skim milk is 15.6%

    asked by Anonymous
  106. chemistry

    Use your calculated value for the percent composition of total protein in skim milk to calculate the mass of protein that would be present in one serving size (1 cup, 240 ml) of skim milk. 15.6% percent composition

    asked by Anonymous
  107. St Katerina

    How to find the width of a rectangular pen area of 176 meter square and 16 meter long?

    asked by Robin
  108. s.s

    How has Britain’s political system impacted Canada’s political system

    asked by lili
  109. physics

    A child rides a ferrisvwheel for 3.5 minutes. If a rotation covers 986 feet and it rotates 1.5 times per minute, what is the velocity of the ride? Whats the mistake?

    asked by eve
  110. Algebra

    A group of retailers will buy 96 televisions from a wholesaler if the price is $500 and 136 if the price is $450. The wholesaler is willing to supply 84 if the price is $420 and 164 if the price is $510. Assuming the resulting supply and demand functions

    asked by Jamie
  111. health

    which of the following statements is true in regard to limited data sets?

    asked by Anonymous
  112. precalc

    y=10cos(2π/3)(x-.3)+50 x=17.2 i plugged this into the calculator and i got -34.5, but the answer is 43.3 how do i get that answer?

    asked by mary
  113. Algebra 1

    Order the numbers in each exercise from LEAST to GREATEST 1.) -1 2/3, 1.6, -1 4/5 My answer: -1 4/5, -1 2/3, 1.6 2.) 7/9, -0.8, The square root of 3 My answer: -0.8, 7/9, The square root of 3 Am I right? I'm not so sure about 1.) Thanks!

    asked by me
  114. math

    Ashley had an equal number of dimes and quarters until she gave 15 quarters away. She now has $ 22.50 in dimes and quarters. How many dimes does she have?

    asked by Faith
  115. Maths

    The sum of the ages of 3 person is 50 years. What will be the sum of their ages after 5 years

    asked by Amy
  116. math fraction

    I kept 1/2 of my money in savings, and took half to the park, there I spent 1/5 on popcorn and 3/4 on rides. How much of my money did I not spend?

    asked by Behi Bless
  117. Math

    Solve the following two mixed rationals questions: A.) 7689 - 91/103 B.) 5410 + 657/658

    asked by Anonymous
  118. Math

    what is the solution of the equation shown. -4w+5/3= -13

    asked by Adri
  119. Science

    A 100kg block rests on a table. The area of contact between the block and the table is 4m2. Calculate the pressure.

    asked by Christopher
  120. math

    find the percentile rank of 4.6 out of these numbers: 1.8, 2.5, 3.9, 4.6, 4.7, 4.8, 4.8, 4.9

    asked by Marissa
  121. Chemistry

    You make a solution using a solute (5g) in water (total volume 100ml). The molar mass of the solute is 110 g/mol. What is the molarity? What is the concentration reported as % by mass?

    asked by Judy
  122. chemistry

    is the following positive in a biuret test? skim milk purified casein purified lactose dextrose

    asked by Anonymous
  123. SS

    what should people do if a government is not protecting natural rights?

    asked by brooke
  124. maths

    the temperature drops by 6 degree Celsius for each of the next three days write down the calculation to work out the total change in temperature over these three days

    asked by anu
  125. social studies

    How did trade develop between Japan and Europe in the 1500s? How and why did the Tokugawas isolate Japan?

    asked by Animegirl
  126. math homework

    9. Jonathan and his band want to record and sell CDs. The recording studio charges an initial set-up fee of $250, and it charges $6.00 to burn each CD. a. Define the variables in this situation: • Let ____ = __________________________ • Let ____ =

    asked by maria
  127. English

    1. Peter is the boy whom I met in U.K. 2. Peter is the boy whom I met in the U.K. ==================== Which one is right? Is # 1 OK without 'the'?

    asked by rfvv
  128. SS

    What do the colonies call themselves in the last part of the document?

    asked by brooke
  129. Physics

    An 8 kg mass is supported by an aluminum wire of length 80 cm abd diameter 2.0mm. How much will the wire stretch?

    asked by Grace
  130. MATH

    find the LCD of -3/4x , 5/x , 7/x^2

    asked by Camz
  131. MATH

    Divide: h^2-k^2/h^4-k^4 ________________ h-k/h^2+k^2

    asked by Camz
  132. Algebra

    what happened to function f (x) = x? f(x-7) + 4

    asked by Tejas
  133. algebra

    the length of a triangle is 2 more than 3 times the width.If the perimeter is 92,find the dimensions of the rectangle.

    asked by traina
  134. Physics

    You are driving off of a horizontal cliff, again!!! The cliff is measured to be 35.56 m above a rocky ravine floor, but you land 10.36 m away from the sheer cliff face. How fast were you going when you drove off of the cliff?

    asked by Ashley
  135. Physics

    A sound wave travels a distance 1020 m in 5 minutes. If the length of the three successive crests is 15 m, then calculate the wave speed. "Length of three crests"? I'm not sure about that.

    asked by Kip
  136. Physics

    A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 34.1 m/s. At the same time, it has a horizontal velocity of 51.1 m/s. At what speed does the vehicle move along its descent path? 1.Answer in units of m/s. 2.At

    asked by Brandon
  137. Math

    How do I turn this into a algebraic expression, the sum of two times a number and five added to six times the number

    asked by Stephany
  138. Physics

    The velocities of sound in media P and Q are 300 meters/second and 350 meters/second respectively. If the difference in wavelength of the two waves in those media is 0.5 meters, what distance will the sound travel in 50 vibrations in the medium Q? The

    asked by Anon
  139. chemistry

    Use the percent composition of total protein in skim milk to determine the percent of the total protein that is due to the casein fraction. my percent composition of total protein in skim milk is 15.6%

    asked by Anonymous
  140. Math

    a / 4 = 8 Solve

    asked by Amy
  141. Algebra 1

    Are 8x^2y and -5yx^2 like terms? Explain. I'm not 100% sure, but I think they are like terms. Please help!

    asked by Just some kid
  142. Algebra

    How do I turn this into a algebraic expression, eight more than six times a number added to one more than nine times the number

    asked by Peter
  143. Physics(which cone will land first)

    consider two solid cones made from a uniform material. The smaller cone is a ½ scale model of the bigger one. They are released from equal height, quickly reach their terminal velocities and fall in air until they hit the ground. Use scaling reasoning to

    asked by Jason
  144. Math

    In a third game. Javier first two darts land in R what is the maximum possible score in this game

    asked by Sean
  145. Math

    If 2/3 pound of candy costs $7 how much does 1 pound of candy cost?

    asked by Brad
  146. SS

    take on the role of a Tory or Patriot and decide if war can be avoided. What are the benefits of preserving peace? What are the reasons for going to war? If the Revolution had been avoided, how would America be different? Subject

    asked by brooke
  147. Algebra

    x/4 = 12/6 A. x= 6 B. x= 12 C. x= 8*** D. x= 48

    asked by Abby
  148. calculus

    dont get it write intervals for the function sin(x)/1-cos (x) is continuous on.

    asked by Anonymous
  149. Math

    Simplify -(a + 5)

    asked by Student
  150. calculus

    simplify the given expression using factors 1. 5(x^2+4)^4(2x)(x-2)^4+(x^2+4)^5(4)(x-2)^3 2. (x^2+3)^(-1/3)-2/3x^2(x^2+3)^(-4/3) 3. 2x(x+6)^4-x^2(4)(x+6)^3/(x+6)^8 4. (7-3x)^1/2+3/2x(7-3x)^(-1/2)/7-3x

    asked by Anonymous
  151. Physics

    consider two solid cones made from a uniform material. The smaller cone is a ½ scale model of the bigger one. They are released from equal height, quickly reach their terminal velocities and fall in air until they hit the ground. Use scaling reasoning to

    asked by Jason
  152. history

    why was slavery created and when and for how long and how many white people care and who stop it and when.

    asked by sarha
  153. Math

    explain why the image of a translation is congruent to it's pre image

    asked by Tisy
  154. MATHS

    If I paid 12z for something and received 27s in change, how much did the item cost, given that 5s = y and 10y = z ?

    asked by Bryan
  155. calculation

    how do I figure out the calculation of 999, 822 and the date of 5/14/2015 to equal 51981220?

    asked by belinda
  156. Calc- Limits

    what is the limit of x as it approaches 1 when x/ln x?

    asked by A
  157. math

    Of the set [–5, 5, –3, 8], which two numbers have the same absolute value? Explain

    asked by SE
  158. Math

    Find two consecutive odd integers such that the sum of four times the larger and twice the smaller is 194. Please help! Thank you!

    asked by Maddie
  159. math

    A bill is for $4000.00 with the terms of 2/ 10-60x cash discount. How much would be remitted if the invoice were paid within the cash discount period?

    asked by Mechelle
  160. Algebra

    A baseball team played 160 games and won 62 more than they lost. What was their record?

    asked by Amber
  161. English language

    what are proper nouns and common nouns and give examples of each. how do I make a noun mobile school project.

    asked by Amoy
  162. Biology

    What is the phase where chromatin condenses to form chromosomes

    asked by John
  163. AP Chemistry

    Hey guys! I'm stuck on some study guide problems... (On the bottom of this, I put what answers make sense to me) A) A factor that affects the speed of heterogeneous reactions but not of homogeneous reactions is 1)nature of reactants 2)concentration of

    asked by Allie
  164. math

    7=-2/v+4 solve for v

    asked by connor
  165. Math

    Write an expression: The quotient of a number h and 3 decreased by 2. Would you write it like this: h/3-2

    asked by Alex
  166. math

    What is the commission on a sale total of $300,000 if you keep 8%? help!

    asked by Anna
  167. Math

    Of 20 scores, 19 are less than or equal to 10. Find the percentile rank of 10. They don't give you the exact number of tens so i don't really know how to do this? Could someone please explain?

    asked by Angela
  168. math

    what is the range of 98,78,84,75,91

    asked by roseanna
  169. Math

    Mixed Rationals: Solve these question in two or three steps: 879 + 47/22 4591 - 133/61 -1 + 17/13 -68 - 18/7 -1297 + 763/512 Thank you!

    asked by ANON
  170. Algebra

    If you have a box of chocolate that has 5 dark chocolates and 8 milk chocolates. How many times would you have to reach in the box and take a chocolate out at a time. How many times would you have to reach in to get at least either 2 milk or 2 dark

    asked by Kristi
  171. Math

    Find two consecutive odd integers such that the sum of four times the larger and twice the smaller is 194. Help Thank you!

    asked by Maddie
  172. Math (vector addition)

    A plane is traveling toward the southwest at 200 km/h. Calculate the westward and southward components of the velocity.

    asked by John
  173. math

    In triangle ABC, the measure of angle C is five times the measure of angle A, and the measure of angle B is 26° more than the measure of angle C. Find the measure of each angle of the triangle.

    asked by kylee
  174. Maths

    Express as a single power of 'a' Root(a^3) Thankyou

    asked by Anonymous
  175. History

    after the boston tea party, the british government closed the port of boston until order was restored and the cost of the tea had been rapid . far-away colonies like new york and south corlina began to send food and supplies to boston by road. what

    asked by these nutz
  176. math

    Can someone check my math homework? I have to set up an equation... my math teacher said that I didn't show how I set up the equation. can someone show me how to do that please? My work is under the question. 7. Anne is seven years younger than her

    asked by Abby
  177. Math (vector addition)

    A bridge member is exerting a force of 500lbs on a joint. The member is connected to the bridge at an angle of 50 degrees. Calculate the x and y components.

    asked by John
  178. Quick English check

    Please check these sentences and correct me if I'm wrong, thank you! 1. A 'MYRIAD' of people are interested in auditioning for the reality tv show, but only a handful will be afforded the opprutunity. 2. The villain wants the world to tremble at the 'MERE'

    asked by Hailey
  179. math,science,algebra,geography

    does any1 know a website that I can find answers to every subject asap?

    asked by these nutz
  180. Gen Chem

    Predict products and balance equations for the reactants shown. Pb 2+(aq) + H2PO4 1-(aq)--->? Pb 2+(aq) + HPO4 2-(aq)--->? Pb 2+(aq) + PO4 3-(aq)---->?

    asked by Alex
  181. Physics

    1) use dimensional analysis to determine which of the following expressions gives the area of a circle: is it pie r ^2, or 2 pie r? explain - pie r^2 right?? because its what they normally use to find area of a circle 2) If a distance d has units of meters

    asked by anonymous
  182. Chemistry

    What is the wavelength in nanometers of a photon with a frequency of 6.10 ✕ 10^14 sec-1? (The speed of light in a vacuum is 2.998 ✕ 108 m/s. Planck's constant is 6.626 ✕ 10^-34 J·s.) I know that speed of light = wavelength * velocity, but I don't

    asked by Petyon
  183. chemistry

    What is the mass of a liquid that has q volume of 2.5L and a density of 3g/cm cubbed? I got 7.5, but I am unsure if I should have converted L to mL

    asked by Chris
  184. Math

    4 1/2+ 2 5/8=

    asked by Amari
  185. math

    The length of the longest piece of bread is 1405 and 1 3\4. It was cut into slices 1\2 in thick how many slices were there?

    asked by ryleigh
  186. Social Studies

    What led to Japan's Isolation Need Help!!!!

    asked by Anonymous
  187. Math

    I'm not sure how to arrive at my answer. Convert 1.745 * 10 ^-5 m^3 to pints How would you show the work for that because my conversion are wrong.

    asked by John
  188. math

    6x-2y+1=0 and 3x-5y+7=0 How do I substitute this?

    asked by tina
  189. math

    between 400 and 500. ones digit is 2 less than the hundreds digit tens digit is 2 less than the ones digit

    asked by erwin
  190. math

    what is 7 to the 6th power divided by 7 to the first power.

    asked by alex
  191. physics

    a bock with mass 60kg sits on a surface with static friction Us = 0.51. a spring (k = 69N) is stretched horizontally by 11cm but the block is still stationary. What is the friction force felt by the block when stretched 11cm?

    asked by anne
  192. Math(HELP!!!) PLEASE

    How would you convert 1.5 square iles to dm^2?? I don't know how to show my work for this particular one.

    asked by John
  193. ap history

    36. Which of the following statements about Virginia is correct? [a The indentured servants’ chances of upward social mobility improved in the second half of the 1600s. [B] By 1640 the great majority of its plantation laborers were African slaves. [C] It

    asked by sydney
  194. physics

    a cart if weight 25 N is released at the top of an inclined plane of length 1m, which makes an angle of 30 degree with the ground. It rolls down the plane and hits another cart of weight 40 N at the bottom of the incline. Calculate the speed of the first

    asked by ancy
  195. English

    1. How do you know about the painting? - I think it's beautiful. ---------------- Is this answer correct? If not, what would be the answer to the question?

    asked by rfvv
  196. social studies

    what did the Taino think of the Spanish ? sight sound touch taste smell

    asked by cheyann
  197. English

    Do the words 'playingly' and ,'unplayingly' have a meaning?If so kindly help me with their meanings and some sentences.

    asked by Seema
  198. Math

    Ana bought a van that holds 12.5 gallons of gas and gets an average of 15.5 miles per gallon. How many miles can she expect to go on a full tank of gas?

    asked by Amy
  199. al 1

    How do you solve this.....x/3+ x/2=3/4

    asked by dani
  200. chemistry

    How would you determine the polarity of the cell after each addition of Fe3+ solution

    asked by ronika kumar
  201. Chemistry

    The decomposition reaction of A to B has a rate constant of 0.00923 M-1s-1: A → 2B If the initial concentration of A is 0.160 M, how long will it take for the concentration of A to decrease by 68.2%?

    asked by Gabby
  202. physics

    A car is traveling at a constant velocity of 21 m/s (about 45 mph). The driver sees a fallen tree lying across the road and hits the brakes after a delay (reaction time) of 245 ms. (1 ms = 10-3 s.) Calculate the distance the car travels during this 245 ms

    asked by rosy
  203. English

    1. The market is always crowded there. ============================== Is this sentence correct? Why is 'there' used here?

    asked by rfvv
  204. World history

    Name 3 countries that wanted to populate the new world.

    asked by Derik
  205. math

    between 100 and 200. . tens digit is 3 less than the hundreds digit. .ones digit 1 more than the tens digit

    asked by erwin