Questions Asked on
October 29, 2014

  1. Health

    The number of calories consumed must equal the number of calories________. a.)needed b.)burned c.)absorbed d.)wanted 2.)It is important to recognize which of the following when watching your weight so that you know what triggers your eating habits. a.)

    asked by Gabrielle
  2. Science

    When evolution was first proposed, which of the following was used as evidence to support the idea? 1.observations of nature 2.laboratory experiments 3.extensive fossil collections 4.genetic sequences I think its either 1 or 4

    asked by Jessica
  3. Please help-algebra

    A lawn care company charges a $10 trip fee plus $0.15 per square foot of x square feet of lawn for fertilization. Which equation represents the relationship? a. x= 0.10y+15 b. y= 0.15x+10 c. y= 10x+0.15 c. x= 10y+0.15 *

    asked by karly
  4. Dudas

    John's mass is 86 kg, and Barbara's is 55 kg. He is standing on the x axis at xj = +9.0 m, while she is standing on the x axis at xb = +2.0 m. They switch positions. How far and in which direction does their center of mass move as a result of the switch?

    asked by Ann
  5. Math

    Each digit in the division example has been replaced with the same letter throughout. (r stands for remainder.) The digits used wher 1,2,3,4,5,7,and 9. Find the numbers SU rE ------ )CAN -CU ------- IN - IU ------- E

    asked by Ty
  6. math

    Please help I'm so confused!!!! 1. Which two square roots are used to estimate the square root of 5? a. square root of 1 and 2 b. square root of 2 and 4 c. square root 4 and 9 d. square root of 9 and 16 2.Which two square roots are used to estimate square

    asked by :)
  7. chemistry

    2CH3OH(g)→2CH4(g)+O2(g)ΔH=+252.8kJ For a given sample of CH3OH, the enthalpy change during the reaction is 82.2kJ . How many grams of methane gas are produced?

    asked by ihatechem
  8. Physics

    20 g ball of clay traveling east at 3.0 m/s collides with a 30 g ball of clay traveling north at 2.0 m/s. What are the speed and the direction of the resulting 50 g ball of clay?

    asked by Anonymous
  9. Chemistry

    A sample of methane (CH4) gas contains a small amount of helium. Calculate the volume percentage of helium if the density of the sample is 0.70902 g/L t 273K and 1.00 atm. I know that the sample is at STP and that the 1 mole of gas under these conditions

    asked by Chris
  10. Physics

    A 3.0-kg brick rests on a perfectly smooth ramp inclined at 34° above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached to a wall above the brick. The spring has a spring

    asked by Anonymous
  11. Algebra please help out

    Ed is using the recipe shown to make fruit salad. He wants to use 30 diced strawberries in his fruit salad. How many bananas, apples, and pears should Ed use in his fruit salad? The fruit salad recipe reads 4 bananas, diced, 3 apples diced, 6 pears diced

    asked by Liz
  12. Chemistry

    Calculate the enthalpy change for: C2H4(g) + H2 --> C2H6(g) delta Hrxn: H2(g) + 1/2O2 --> H2O (l) C2H4(g) + 3O2 --> 2H20(l) + 2CO2(g) C2H6(g) + 7/2O2(g) --> 3H20(l) + 2CO2(g) I know I have to flip the third reaction but I don't know what to do next

    asked by Jessica
  13. Algebra please help out

    In each bouquet of flowers, there are 4 roses and 6 white carnations. Complete the 4 and 6 table to find out how many roses and carnations there are in 4 bouquets of flowers? Please help answer

    asked by Tracy
  14. Math

    Find the radius of a sphere with a volume of 1,767.1 m (3 cubed) would I use the formula V=4/3*pie*radius (3 cubed)

    asked by Christine
  15. Algebra please help out

    Tomas makes balloons sculptures at a circus. In 180 minutes, he uses 252 balloons to make 36 identical balloon sculptures. Part A question how many minutes does it take to mAke one balloon sculpture? How many balloons are used in one sculpture? b. What is

    asked by Liz
  16. Math

    Dominick is in charge of ordering supplies for harry's hamburger stand. hamburger buns come in packs of 12 and frozen hamburger patties come in packages of 20. he must have the same amount of rolls as patties. What is the least number of packages of each

    asked by Mitch
  17. Economics

    A 20-year-old student decided to set aside $100 on his 21st birthday for investment. Each subsequent year through his 55th birthday, he plans to increase the investment on a $100 arithmetic gradient. He will not set aside additional money after his 55th

    asked by NEED HELP!!!!
  18. chemistry

    Calculate the number of GRAMS of carbon dioxide (CO2) produced when 100 grams of methane (CH4) are completely burned in oxygen (O2).

    asked by Jeremy
  19. Calculus

    A balloon rises at the rate of 8 feet per second from a point on the ground 60 feet from an observer. Find the rate of change of the angle of elevation when the balloon is 25 feet above the ground. I have d(theta)/dt=(1/60)cos^2(theta)(8) How do I find

    asked by Anonymous
  20. Science - Please Check My Written Answer

    Please help me with the following: Briefly explain why experiments having faulty design or inconsistent data are problems for scientists. List several reasons. There are several reasons that experiments with faulty designs or with inconsistent data are

    asked by Brady
  21. English

    4.)Which word or phrase is closest in meaning to the word unanimous? a.)justifies b.)in agreement c.)divided d.)not accurate 5.)Which word is the best choice to complete the following sentence?She didn’t want to get in trouble for breaking the window, so

    asked by Gabriella
  22. Calculus

    New York state income tax is based on taxable income which is part of a person's total income. The tax owed to the state is calculated using taxable income (not total income). In 2005, for a single person with a taxable income between $20,000 and $100,000,

    asked by Alex
  23. Science

    Think about the factors that will influence the evolution of humans in the future. Name one factor that would exert influence through the process of natural selection and one factor that would exert influence through artificial selection. 1.natural

    asked by Anonymous
  24. CHEMISTRY

    A student combusted 0.500g of purified aluminum power with excess oxygen in an oxygen atmosphere according to the reaction, 4Al(s) + 3O2(g)= 2Al2O3(s) A) What is the limiting reactant? B) How many moles of Al were used? C) How many moles of Al2O3 would

    asked by Gina
  25. geometric progretion

    the 6 term of a G.p is 2000 find its first term if its ratio is 10

    asked by sunday
  26. Chemistry

    Explain what would happen to the color of a dilute solution containing FeCl4- if you added a solution of sodium chloride, NaCl.

    asked by Anonymous
  27. Chemistry

    A student reacted 0.500g of Pb(NO3)2 with 0.750g of KI according to the reaction, Pb(NO3)2(aq) + 2KI(aq)=PbI2(s) + 2KNO3(aq) A) How many moles of Pb(NO3)2 were used? B) How many moles of KI were used? C) How many moles of PbI2 would form, based on the

    asked by Gina
  28. accounting

    Halifax Manufacturing allows its customers to return merchandise for any reason up to 90 days after delivery and receive a credit to their accounts. Halifax only makes credit sales. The company began 2013 with an allowance for sales returns of $300,000.

    asked by pedro
  29. Math

    How would you estimate 566 divided by 81?

    asked by Anonymous
  30. Chem 130

    How many grams of magnesium chloride should be produced by the single displacement reaction between 0.578 grams of magnesium metal and an excess hydrochloric acid?

    asked by michelle
  31. chemistry

    500g urea aq. Sol. Has mole fraction 0.2 what is molality of sol.

    asked by mohit
  32. PHYSICS

    Calculate the pressure on the top lid of a chest buried under 4.30 meters of mud with density 1.75X 10^3 kg/m^3 at the bottom of a 12.5 m deep lake

    asked by Courtney
  33. Math

    A bike is in fourth gear. When the pedals turn 3 times, the rear wheel turns 7 times. When the pedals turn twice, how many times does the rear wheel turn?

    asked by Ridhisa
  34. Physics

    A 4.500 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is μs = 0.455 and the coefficient of kinetic friction is μk = 0.155. At time t = 0, a force F = 12.4 N is applied horizontally to the block.

    asked by Mira
  35. Pre-Algebra

    1.)Identify the underlined place in the decimal number 83.5 8 41.Round the number to that place. a.)thousandths;83.58 b.)hundredths;83.59 c.)hundredths;83.58 d.)thousandths;83.59 2.)Estimate $5.56 + $13.02 using front-end estimation. a.)about $19.60

    asked by Gabriella
  36. math

    from a boat, the angle of elevation of the foot of a lighthouse on the edge of a cliff is 34 degrees. if the cliff is 150m high, how far from the base of the cliff is the boat

    asked by mari
  37. World History Answer Check (Ms. Sue)

    1. What were some of the difficulties faced by the new Latin American republics? A: Some of the difficulties faced by the new Latin American republics were the domination of society by the landed elites and persistent inequality. Large estates remained a

    asked by Victoria
  38. math

    suppose February has 29 days. Explain how you can find how many days there are in the year without counting or adding. explain an example please....

    asked by ann kwon
  39. math- bc calc

    a building is 36 ft tall. A pulley is attached to the top of the building. A rope is looped through the pulley. One end of the rope is attached to the lantern that hangs vertically parallel to the side of the building. The rope passes up vertically from

    asked by Danielle
  40. HISTORY

    check my answers? Circle four of the following which occurred during the presidency of James Monroe. A. Louisiana Purchase B. conquest of Florida by Andrew Jackson C. financial panic of 1819 D. the Era of Good Feelings E. Missouri Compromise F.

    asked by Anonymous
  41. Physics

    An ideal spring has a spring constant k = 20 N/m. The spring is suspended vertically. A 0.7-kg body is attached to the unstretched spring and released. It then performs oscillations.

    asked by Anonymous
  42. World History Answer Check (Ms. Sue)

    1. Why were there rebellions in China after General Yuan Shigai become president? A: There were rebellions in China after General Yuan Shigai became president because Yuan's dictorial ways and efforts led to conflict with Su Yat-sen's Nationalist Party. 2.

    asked by Victoria
  43. History

    Def of Constitutional Convention : meeting held in 1787 to consider changes to Articles of Confederation I have to write an example of the Constitutional Convention. What would that be

    asked by M
  44. Chemistry

    By what factor does the volume increase when An ideal gas is allowed to expand from 3.80 L to 32.3 L at constant temperature

    asked by Dust
  45. calc

    Air is being pumped into a spherical balloon so that its volume increases at a rate of 100 {cm}^3}. How fast is the surface area of the balloon increasing when its radius is 16{cm}?

    asked by john smit
  46. Physics

    A 5.3 g coin sliding to the right at 26.8 cm/s makes an elastic head-on collision with a 15.9 g coin that is initially at rest. After the collision, the 5.3 g coin moves to the left at 13.4 cm/s. (a) Find the final velocity of the other coin. cm/s (b) Find

    asked by Karrie
  47. math

    I spent 2/3 of my money at store A. I spent 1/3 of my money at store B. When I left store B I had $4. How much money did I have when I entered store A?

    asked by Isaac
  48. Physics

    A proton that has a mass m and is moving at 250 m/s in the + direction undergoes a head-on elastic collision with a stationary carbon nucleus of mass 12m. Find the velocities of the proton and the carbon nucleus after the collision. vp = m/s vcarbon = m/s

    asked by Anonymous
  49. Fluid Mechanics

    In a hydraulic system a 20.0-N force is applied to the small piston with cross sectional area 25.0 cm2. What weight can be lifted by the large piston with cross sectional area 50.0 cm2?

    asked by Justin
  50. chemistry

    At what temperature will the following reaction happen spontaneously, given that ΔH=8.91×103J and ΔS= –219.20 J/K? CaSO4(s) + 2HCl(g) → CaCl2(s) + H2SO4(l)

    asked by Rosi
  51. statistics

    The tread life a certain brand of tires is known to be normally distributed with a mean of 60,000 miles and a standard deviation of 5,000 miles. The company wishes to set the warranty so that only 4% of the tires will need to be replaced. What should the

    asked by Wendy
  52. Physics

    A 0.250-kg ice puck, moving east with a speed of 5.26m/s , has a head-on collision with a 0.990-kg puck initially at rest. Assume that the collision is perfectly elastic.What is the speed of the 0.250-kg puck after the collision?

    asked by david
  53. science

    Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

    asked by could you check these
  54. Hydraulic Physics

    In a hydraulic system a 20.0-N force is applied to the small piston with cross sectional area 25.0 cm2. What weight can be lifted by the large piston with cross sectional area 50.0 cm2? Would I need to divide both pistons areas then mutiply the force? and

    asked by Justin
  55. Analytical Chemistry

    Suggest a range of sample masses for the indicated primary standard if it is desired to use between 35 and 45mL of titrant: (a) 0.175 M HClO4 titrated against Na2CO3(CO2 product) (b) 0.085 M HCl titrated against Na2C2O4 Na2C2O4-->Na2CO3+CO

    asked by Cherie
  56. Physics

    A 5.5 kg object with a speed of 4.0 m/s collides head-on with a 13 kg object moving toward it with a speed of 3.0 m/s. The 13 kg object stops dead after the collision. (a) What is the final speed of the 5.5 kg object? m/s (b) Is the collision elastic? Yes

    asked by Anonymous
  57. Pre-Algebra

    Use the formula d = rt. Find t for r = 46.6 m/h and d = 456.68 m. Show your work. This question is not multiple choice

    asked by Gabriella
  58. chemistry

    Calculate the theoretical percentage of water present in cobalt (II) chloride hexahydrate, given that the molar mass is 237.93 g/mol and the molar mass of water in the compound is 108.12 g/mol. Question 8 options: 220% 50.5% 6% 45.4%

    asked by Tia
  59. Chemistry

    Consider the following reaction: 4NH3(g) +5O2(g) -->4NO(g) +6H2O(g) Suppose we have two flasks connected by a stopcock. In one flask, we have 2.0L of NH3(g) at a pressure of .500 atm. In the other flask, we have 1.00L of O2(g) at a pressure of 1.5atm. When

    asked by Claire
  60. Physics

    A 3.0-kg brick rests on a perfectly smooth ramp inclined at 34° above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached to a wall above the brick. The spring has a spring

    asked by Anonymous
  61. chemistry

    The solubility of sodium chloride (NaCl) was determined experimentally to be 35.7 g/ 100 g of water (H2O) at 200 C. How many grams of NaCl would dissolve in 50g of H2O at 200 C?

    asked by Nelana
  62. Math

    A projectile is shot vertically into the air. Its height, h, in metres, after t seconds is approximately modelled by the relation h=-5t^2+120t+125: c) For how many seconds is the projectile in the air? (1 mark)

    asked by Alex
  63. Physics

    A 3.5 g dart is fired into a block of wood with a mass of 22.8 g. The wood block is initially at rest on a 1.3 m tall post. After the collision, the wood block and dart land 2.6 m from the base of the post. Find the initial speed of the dart. m/s

    asked by Anonymous
  64. Chemistry 400/ Chem 1A

    Assuming that the resolution of an electron microscope is equal to the deBroglie wavelength of the electrons used, what is the resolution of an electron microscope (in nm) when the electrons are accelerated to a speed of (5.60x10^5) m/s?

    asked by Joey
  65. statistics

    If the mean I.Q. is 100 and the standard deviation of I.Q. scores is 15, then an I.Q. of 130 will have a z score (or standard score) of?

    asked by Anonymous
  66. math

    Anthony is twice as old as Julian.5years ago,he was three times as old .let x be julian`s present age find the present ages of anthony

    asked by Lindy
  67. UMass

    'The rectangular swimming pool in the figure shown measure 40 feet by 60 feet and is surround by a path of uniform width around the four edges. the perimeter of the rectangular formed by the pool and he surrounding path is 248 feet determine the width of

    asked by roben
  68. English

    1. The Difficult in Meaning 2. The Difficulty in Meaning 3. When to Use a Dictionary? ------------------ Are they suitable as a 'title'? Which one is not suitable?

    asked by rfvv
  69. calc

    At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

    asked by john smit
  70. mateh

    of the pizza sold at a pizzeria 1/2 were cheese 1/4 were sausage and 1/6 were pepperoni. what fraction more of the pizza were cheese than sausage and pepperoni.

    asked by anonymous
  71. PHYSICS

    Why does air pressure decrease with increasing altitude? (SELECT ALL THAT APPLY) The weight of the air above is smaller The weight of the air below is smaller Less air above pushes down There is more air below to push up more strongly Cold air is less

    asked by Courtney
  72. pre alebra

    I am not sure but 7200S= 800 .i thought i had to multiply but i am a little confused because the 800 is smaller

    asked by ttuuffyy
  73. Physics

    A 1400 kg car moving south at 10.0 m/s collides with a 2350 kg car moving north. The cars stick together and move as a unit after the collision at a velocity of 5.36 m/s to the north. Find the velocity of the 2350 kg car before the collision. m/s to the

    asked by Anonymous
  74. Social Studies

    What was the role of the Native Americans during the Revolutionary War? A. Native americans did not fight in the Revolutionary War. B. More Native Americans fought with the British than with the Americans during the Revolutionary War. C. More Native

    asked by Anonymous
  75. Physics

    A 3.20 kg mud ball has a perfectly inelastic collision with a second mud ball that is initially at rest. The composite system moves with a speed equal to one-half the original speed of the 3.20 mud ball. What is the mass of the second mud ball? kg

    asked by Karrie
  76. math

    Jordan bought 6 8/10 yards of pink ribbon and 3 1/4 yards of purple ribbon. how much more pink ribbon than purple ribbon did she buy.

    asked by anonymous
  77. ms. sue

    Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

    asked by could you check these
  78. Math Help Please! ASAP!

    Solve each inequality 1. y+5>7 y12 2. p+12>9 p>21 p>3 p>-21 p>-3**** Are my answers correct?

    asked by Amber
  79. Poetry 1

    Which one of the poems you've read uses the words floats, fluttering, and dancing?

    asked by Jimmy
  80. math

    Triangle ABC has coordinates A(1,4);B(3,-2);and C(4,2).Find the coordinates of the image A'B'C'?

    asked by baker
  81. hindi

    a poem on rivers written by sumitra nandan pant?????

    asked by charika
  82. Physical science

    Think Critically. The mechanical advantage of a machine is less than one. Compare the distances over which the input and output forces are applied.

    asked by Lindsey
  83. Algebra 2

    Mrs. Burnett throws a ball innthe air with an initial velocity of 96 feet per second. The function f(t) = 96t - 16t^^2 represents the path of the ball. How high will the ball go? How long will it take the ball to reach the ground?

    asked by Olivia
  84. math algeba

    Need to simplify scientific notation.(8.76x109(6.52x10-3(13.27x10-5)

    asked by ccox
  85. World History (Ms. Sue)

    How was Japan's government structured under the Meiji constitution?

    asked by Victoria
  86. Trigonometry

    I am having problems with proving identities that has a number and an exponent with it. Like: *2cosxcsc2x = cscx *sin^2 2x = 4sin^2 x cos^2 x *cot2(theta)=csc(theta)-2sin(theta)/2cos(theta)

    asked by Jam
  87. math

    of the students in ms Martinez class 11/24 walk to school. another 3/8 of the students ride their bikes to school. what fraction more of students walk than ride their bikes to school.

    asked by anonymous
  88. Science

    Did hippos evolve from whales or did whales evolve from hippos?

    asked by Anonymous
  89. MCC

    An investor in the 28% tax bracket is trying to decide which of two bonds to select: one is a 6.5% U.S. Treasury Bond selling at par; the other is a municipal bond with a 5.25% coupon, which is selling at par. Which of these two bonds should the investor

    asked by Kayla
  90. The practice of working with school age children

    Interacting with others, exercising imagination, sharing and taking turns, and trying out new roles are all benefits of A. fantasy play. B. piano lessons. C. chess, Sudoku, and crossword puzzles. D. tutoring. D.

    asked by Amanda
  91. History

    Federalists: supporters of the Constitution What would an example be for that? Do I have to make up any example to show what Federalists are or do I have to use in real life things that have happened

    asked by M
  92. Geometry

    P->P'(-8,-3) for the glide reflection where the translation is (x,y)->(x,y-5) and the line reflection is x=-5. what are the coordinates of P? (-8,-8) (-8,2) (-2,-3) (-2,2)

    asked by Selena
  93. physics

    Object A with mass 6.7 kg is moving at 5.1 m/s. Object B with mass 7.4 kg is moving at 4.7 m/s. Object B impacts Object A, and they stick together. With what velocity do the objects move?

    asked by lisa
  94. English: Faulty Coordination

    Rewrite the over coordinated sentences that follow, changing clauses into phrases or into single words. where appropriate, break the over coordinated sentence into two sentences. 1. The doctor inserted one end of a long tube into my throat, and she

    asked by Katie
  95. Calculus

    Find the points at which y = f(x) = x^11-6x has a global maximum and minimum on the interval 0 ¡ x ¡ 4 Round your answers to two decimal places. Global Maximum: (x,y) = (,) Global Minimum: (x,y) = (,)

    asked by FRANK
  96. Grammar Answer Check

    Follow the directions in parentheses to write four sentences with gerunds. 1. (Use the gerund singing as a predicate nominative.) A: My favorite activity is singing. 2. (Use the gerund dancing as a subject.) A: The girl's dancing forced us to our feet. 3.

    asked by Victoria
  97. Fluid Mechanics Physics

    A flat-bottom river barge is 30.0 ft wide, 85.0 ft long, and 15.0 ft deep. (a) How many ft3 of water will it displace while the top stays 3.00 ft above the water? (b) What load in tons will the barge contain under these conditions if the empty barge weighs

    asked by Justin
  98. Literature

    "Write a monologue revealing the unspoken thoughts and feelings of one of the characters in "Everything Stuck to Him." Use the personal pronoun "I." Choose one of the following scenes to step into the character's mind: a) the girl sitting up alone with the

    asked by Michelle
  99. Math

    Mary is twice as old as Jane,the sum of squeres of their age is 125.How old is Jane?

    asked by Blessings
  100. math

    Anna is twice as old as Julian.five years ago,eye was three times as old .let x be julian`s present age write an equation for x and find the present ages of Anna and julian

    asked by julian
  101. Chemistry

    How much heat is required to raise the temperature of 68.0 g of AIF3 from 25 degrees celsius to 80.0 degrees celsius

    asked by person
  102. phy

    A 72.7 kg student runs up the stairs of a football stadium to a height of 11.9 m above the ground in 10.1 s. (a) What is the power of the student in kilowatts?

    asked by ddreww
  103. Organic Chem Help Please!

    if you used 40 g of cyclohexanol and obtained 24.6g of pure cyclohexene, a) what is your w/w yield? b) what is your theory yield? Thank you !

    asked by Kimberly
  104. The practice of working with school age children

    Which of the following describes the goal of guidance? A. To punish children for breaking a complex code of rules B. To initiate a curriculum of scientific study C. To seek new sources of state and federal funding D. To help children learn how to control

    asked by Amanda
  105. Chem 130

    How many grams of Aluminum oxide will be produced when 2.44 grams of Aluminum burns in air (i.e. react with Oxygen)?

    asked by michelle
  106. marketing

    describe how you would select a sample of respondents to answer the questions of starting salaries after graduating from a university based on size and range

    asked by donna mcgill
  107. English

    How is your business lately? 1. Not so good, I'm afraid. 2. Not so good, I'm sorry. ----------------- Which one is right answer?

    asked by rfvv
  108. Managerial Economics

    Mirk Labs is a pharmaceutical company that currently enjoys a patent monopoly in Europe, Canada, and the U.S. on Zatab, an allergy medication. The global demand for Zatab is Qd= 15.0- 0.2 P where Qd is annual quantity demanded (in millions of units) of

    asked by peter
  109. AP Physics

    A drag racer starts from rest and accelerates uniformly for 5s covering a distance of 120 m. a. what is the car's acceleration? I did DI=vit+1/2at^2 120=0(5)+(.5)(5^2)a 120/12.5=12.5a/12.5 a= 9.6 m/s^2 b. what is the car's final velocity at the end of the

    asked by ANO.
  110. geography,maths literacy,life science,agriculture

    What kinds of jobs for my subjects

    asked by tiny
  111. Chemistry (urgent)

    1.Using Nerst, find the E of the cell for the dicromate redox system: A.under standard conditions. B.under neutral solutions instead of acid solutions. 2.Use Nerst and the hydrogen half equation to obtain an expression for pH.

    asked by Kris
  112. history

    What is a good way to end a history essay?

    asked by cool
  113. Science

    An object travles 10 m in 0.07s what is its speed?

    asked by Trent
  114. chem

    how much volume of naoh required for titration with khp to the equivalence poin

    asked by nazee
  115. AMERICAN HISTORY

    . Zbigniew Brzezinski, the national security advisor in the 1970s,A. tried to reverse the policy of détente. B. was against cooperation with China. C. believed replacing the Minute Man missles with MX missiles was wasteful. D. supported the SALT II treaty

    asked by LADY
  116. Chemistry

    1.Using Nerst, find the E of the cell for the dicromate redox system: A.under standard conditions. B.under neutral solutions instead of acid solutions. 2.Use Nerst and the hydrogen half equation to obtain an expression for pH.

    asked by Kris
  117. Math

    The formula l=8t^2/pi^2 represents the swing of a pendulum. In this formula, l is the length of the pendulum, in feet, and t is the time, in seconds, it takes to swing back and forth once. Whst is the length of a pendulum that makes one swing in 2s? Please

    asked by Cherie
  118. thermochemical equation:

    Given the following thermochemical equation: NO2 (g) + O2 (g) → NO (g) + O3 (g) ΔH = - 212 kJ Which has more enthalpy, the reactants NO2 (g) + O2 (g), or the products NO(g) + O3 (g) ? The reactants have more enthalpy. The products have more enthalpy.

    asked by Ann
  119. The practice of working with school age children

    _______ is a health problem that can be caused by obesity. A. The common cold B. Low blood pressure C. A lower fasting blood glucose level D. Heart disease D.

    asked by Amanda
  120. Business Ethics

    In the case of ADC Telecommunications in Mexico, Mario Dena, the vice president of manufacturing at ADC de Juarez, considered constructing an on-site childcare center and a water treatment facility. Which of Richard T. DE George's guidelines is illustrated

    asked by Cindy
  121. Algebra I

    Use one unit multiplier to write the expression needed to convert 42 meters to centimeters? It also said;Do not carry out the actual multiplication. So do I just write my answer 42m over 1 x 100cm over 1m? Thank You for your help.

    asked by Nancy
  122. algebra with pizzazz

    What might you have

    asked by C-money
  123. math

    A manufacturing company finds that the daily cost of producing x items of a product is given by c(x)=210x + 7000. Find x using calculus

    asked by Amy
  124. Math

    What is the equation 745✖876

    asked by Craig
  125. can someone help me with biology

    please

    asked by Anonymous
  126. science

    the 6 term of a G.P is 2000 its common ratio is 10 find the first term?

    asked by sunday
  127. Science

    What is the molarity (moles per liter) of a solution in which 80 grams of sodium hydroxide, NaOH, is dissolved in 1 liter of solution? How do I convert the 80grams into mols?

    asked by Lilly
  128. maths

    A man sees a helicopter in the air at an unknown height.The man is standing 28,7m from point directly below the helicopter and measures the angle of elevation to be 30 degree.Calculate the height of helicopter

    asked by masabatha
  129. physics

    If 250 joules of work are performed by an engine using 600 joules of energy in 5 seconds, what is the efficiency of the engine?

    asked by anonymous
  130. Bio-Statistics

    Do you have any experience working with SPSS format

    asked by Emerald
  131. AP physics

    A NFL punter kicks a ball and lands 52 m away and is in the air for 4.8s. Assume that the ball lands at the same level that is is kicked. a. determine the initial velocity of the punt (magnitude and direction) b. determine the maximum height of he punt c.

    asked by ANO.
  132. HISTORY

    The War of 1812 was caused by A.British influence on Indians to attack American settlers B.British raids on American shipping C. the financial panic of 1819 D. voter reaction to the re-election of Madison E. All of the above I would say b, am I right?

    asked by Anonymous
  133. social studies

    Why did the British have problems after the French and Indian War? a.)they had less territory than before the war b.)they no longer had native american allies c.)they were faced with a devastating natural disaster after the war ended d.)they were left with

    asked by Vicky
  134. Maths

    Carl thought of 5 numbers and told Danny all the sums that could be made by adding the numbers in pairs. The list of sums is given below. What are the five numbers? 6,7,8,8,9,9,10,10,11,12 I thought of 34426 but it doesn't give the 11

    asked by Anonymous
  135. geomentry

    Which angle is largest, A, B, or C

    asked by ivan
  136. Physics

    A volleyball is launched straight up at an initial velocity of 2.3 m/s. It is then spiked by a taller player 0.8 meters above the launch height. How high did it rise, and how long did the volleyball remain in the air between the players?

    asked by Jessica
  137. Calculus

    Find the points at which y = f(x) = x^11-6x has a global maximum and minimum on the interval 0 ¢®A x ¢®A 4 Round your answers to two decimal places. Global Maximum: (x,y) = (,) Global Minimum: (x,y) = (,)

    asked by Anonymous
  138. Algebra: Answer Check

    K(x) = -3x^4 + 5x^3 - x + 7 for x = -2. K(-2) = -79

    asked by Anonymous
  139. Algebra: Answer Check

    (x^2 - 8x + 6)/(x + 2) = x - 10 + ((26)/(x + 2))

    asked by Anonymous
  140. Grammar Answer Check

    Underline the gerund in each setences ([]). Then, on the line provided, identify its functions in the sentence. Write subject, predicate nominative, direct object, indirect object, object of a preposition, or appositive. 1. When the rippling began, I took

    asked by Victoria
  141. MATH FOR THE OFFICE

    THE BEGINNING OF THE WEEK A STOCK SOLD 29 3/8 PER SHARE AT THE END OF THE SAME WEEK IT SOLD FOR 31 2/8 WHAT WAS THE AMOUNT OF INCREASE PER SHARE?

    asked by Anonymous
  142. The practice of working with school age children

    When planning outdoor games, a caregiver should develop a wide selection of choices because A. the children have already played the most popular games at school. B. some games go out of date and can't be used. C. a caregiver should be in good physical

    asked by Amanda
  143. math

    The drama club has $500 to put on a play. The club can spend up to 3/8 of the money on new costumes. How much money can they spend on other supplies?

    asked by Wong
  144. Math

    Solve (x+4)(x-9)=0

    asked by Alex
  145. Medical billing & coding

    A patient complains of a fast heart rate. Which diagnosis does this statement indicate? Infarct aerothorax Hemothorax gastrothorax

    asked by Jenn6857
  146. chemistry

    If you have 22.46 mLs of a gas at STP, how many moles of gas do you have?

    asked by Javier
  147. physics

    f Beth exerts a force of 157 . 9 N on the rope, what is the magnitude of the upward component of the force acting on the stake? Answer in units of N

    asked by Anonymous
  148. physics

    A man tosses a 50.0 g ball straight upward from the ground at 25m/s. at the same time a friend drops a 50.0g ball from a 20.0m tree. how long will it take each ball to hit the ground, how high will the balls rise, how much energy is possessed in each ball.

    asked by carver
  149. The practice of working with school age children

    According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher relations, and

    asked by Amanda
  150. Biology

    Please Give 10 statements to prove that plants can reproduce sexually.

    asked by Ana
  151. The practice of working with school age children

    Interacting with others, exercising imagination, sharing and taking turns, and trying out new roles are all benefits of A. fantasy play. B. piano lessons. C. chess, Sudoku, and crossword puzzles. D. tutoring. A.

    asked by Amanda
  152. Statistics

    Recent shootings in the united states of unarmed male african american by law enforcement officers has prompt renewed interest in racial inequality. Design a 10 questionaire that you believe could be used to access this problem. How to approach this

    asked by Lexii
  153. Science 1 easy question!!!!

    Is a gazelle the closer to a camel or lioness on a cladogram? I think camel

    asked by Help!
  154. Business Management

    The researchers conducting the Hawthorne plant studies found that

    asked by Diane
  155. The practice of working with school age children

    One can encourage children to engage in sociodramatic play by A. providing easels and paint. B. creating forts and other structures. C. involving them in community development decisions. D. demanding that they pay attention to the rules. B.

    asked by Amanda
  156. heath

    a manic episode is?

    asked by monica
  157. The practice of working with school age children

    The temporal dimension of the environment refers to the way that A.The children, staff, and parents are organized in the program. B. structure of the site is composed. C. nurturing is encouraged in the program. D. time is managed in the program D.

    asked by Amanda
  158. English

    1. It is said that, it he had not lived, the United States might be two countries, instead of one. 2. It is said that, as he lived, the United States may not be two countries, instead of one. --------------- Does #1 mean #2? Otherwise, what other

    asked by rfvv
  159. Math

    What is the equation and the answer to717✖451

    asked by Anonymous
  160. The practice of working with school age children

    How should BMI (body mass index) be used in a child-care setting? A. To determine a body's amount of muscle B. To determine a need to grow taller quickly C. To signal if a person is overweight D. To identify muscle strength C.

    asked by Amanda
  161. Chem Help

    what is meant by the following question give a detailed experiment design for the conversion of 2-methyl-2-butanol to 2-methyl-2-butene on the 0.2 molar scale. I don't need help with the experimental design I just didn't understand what is meant by 0.2

    asked by Kimberly
  162. grammar

    Does this sentence make sense? "His eyes swollen and were felled with tears."

    asked by chris
  163. science

    How do I do the following? Write the net ionic equation for the following molecular equation. 3 CoCl2(aq) + 2 Na3PO4(aq) Co3(PO4)2(s) + 6 NaCl(aq)

    asked by Morgan
  164. math

    Find the first arithmetic mean between 100 and 135 given the following sequence: ..., 100, ___, ___, ___, ___, 135, ... A. 107 B. 114 C. 121 D. 128

    asked by jax
  165. math

    What is the d value of the following arithmetic sequence? 5, 2, -1, -4, -7,… A. 3 B. -3 C. 4 D. -4

    asked by bo
  166. Eng

    What word can you use to describe someone who doesn't give up and keep going with their life even when the world falls down on them and everything goes wrong for them

    asked by Lil
  167. Science

    How is potential and kinetic energy measured?

    asked by Mariam
  168. english

    how can i describe polluted air using imagery

    asked by chris
  169. Algebra

    16x^3 - 12x^2 + 20x - 15 factored = (4x^2 + 5)(4x - 3)?

    asked by Anonymous
  170. Chemistry

    The solubility of aluminum sulfate in water at 20degrees Celcius is 26.7g/100L. Calculate its molarity?

    asked by Gina
  171. SCIENCE

    The length of the platform is 1.5m and width is 0.750m,load acting on the platform is 150kg then what is the bottom support length and angle of it.

    asked by gokul
  172. Reading

    A young frog sees an ox by the pond. Excited, he calls for his mother to come and see the" monster'. The mother frog , who is very fat, does not believe that any creature in the pond can be bigger than she is, but agrees to come and see it. Being so fat,

    asked by Noo
  173. Algebra 2

    Use Cramer's rule to find the number of items the company must sell each week to break even. y= 20x + 200 y= 25x D= |20 -1|. -20 - (-25) . |25 -1| D= 5 Dx= |200 -1|. -200 - 0 . |0 -1| Dx= -200 Dy= |20 200|. 0 - 5000 . |25 0 | Dy= -5000 x= Dx/D x= -200/5 x=

    asked by Jacqueline
  174. math

    Chris is determining the amount of raisins he will use for a raisin bread recipe. The ratio of cups of raisins: number of loaves Chris used is 3 raisins to 2 loaves. Which ratio is equivalent to the rate of raisins to loaves of bread that Chris can use?

    asked by Anonymous
  175. earth science

    Which of the following statement is False: A.Cinder cones are built from ejected lava fragments and are usually less than 300 meters high B.Calderas are large collapsed depressions having more or less circular form C.Most volcanoes are fed magma through

    asked by kevin
  176. French

    Is it okay to say "je rentre a la maison" to say "I'm going home"?

    asked by Anonymous
  177. French

    How do you say "I'm walking"? "Je marche"?

    asked by Anonymous
  178. The practice of working with school age children

    A _______ partnership can grow from the contractual relationship between a family and an out-of-school program.  A. public-private B. household revolution C. committed D. community  C.

    asked by Amanda
  179. The practice of working with school age children

    According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are   A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher relations,

    asked by Amanda
  180. The practice of working with school age children

    Traditionally, parent-teacher conferences took place between the teacher and the _______. However, this participation role is changing.  A. employer B. father C. mother D. siblings  A.

    asked by Amanda
  181. The practice of working with school age children

    Which of these situations reinforces undesirable behavior?  A. Promising a whining five-year-old a treat if he will stop whining and come alongb B. Holding a competition to see who has the most organized cubby C. Saving up stars to trade in for stuffed

    asked by Amanda
  182. POL201

    A district court is considered to be

    asked by Anonymous
  183. algebra

    Please help solve with elimination method. -6x+6y=18 7x+5y=-9

    asked by AC
  184. Grammar Answer Check

    The balm, his [singing], soaked in through my roots and flowed to the tips of my branches. -- indirect object?

    asked by Victoria
  185. The practice of working with school age children

    _______ offer summer specialty activities that often interest teens. A. Camps B. Child care facilities C. Public elementary schools D. Libraries A.

    asked by Amanda
  186. The practice of working with school age children

    Which of the following terms describes an outdoor play area designed for children? A. Virtual trail B. Playscape C. Map D. Prop box B.

    asked by Amanda
  187. Math

    Limit as n goes to infinity of ((2n)!/(n^n)).

    asked by Ashley
  188. Grammar Answer Check

    1. (Use the gerund trembling as a object of a preposition.) A: My body perspires heavily instead of trembling. 2. (Use the gerund longing as a direct object.) A: My longing makes my heart ache.

    asked by Victoria
  189. gum

    Which word in the sentence is the predicate adjective? Does this chocolate milk taste fresh to you? A. taste B. fresh C. milk D. chocolate

    asked by blues
  190. math

    Frances walks half the distance at 5km/h and ru the other half at 10km/hit the total time for her journey is 3 hours,what is the distance

    asked by Lindy
  191. The practice of working with school age children

    Open house, back-to-school nights, and conferences are specifically planned for _______ participation. A. corporate B. parent C. governmental D. public B.

    asked by Amanda
  192. math

    George cycles to go half the distance at 4m/s but slows to 3m/s for the second half of his trip.he takes 35minutes to complete the trip.find the distance he travels

    asked by julian
  193. The practice of working with school age children

    Which of the following sets standards for physical environments to be accessible and appropriate for children with special needs? A. SACERS B. SRTS C. ADA D. WIA C.

    asked by Amanda
  194. math

    For 9- complete the operation and explain why you placed the decimal point where you did. 9. 1.8*0.3=

    asked by Lakshmi
  195. currency exchange/ math

    Timothy sold US$130 to a bank when the exchange rate was C$1 = US$0.9315. The bank charged him a commission of 0.55%. How many Canadian dollars did he receive from the bank for US$130?

    asked by KERRY
  196. scientist

    I need 10 example objects that use energy in my house... What are they? Also can you help me?!!!!!!

    asked by precious
  197. statistics

    A company wishes to make 1 ounce candy bars. According to government regulations, in order to label the candy bars as 1 ounce, at least 95 % of the bars must weigh 1 ounce or more. Our process standard deviation is .08 ounces. What do we need to make the

    asked by Anonymous
  198. statistics

    . For patients with a certain disease the amount of certain protein in the blood is normally distributed with a mean of 130 and a standard deviation of 5. For patients without the disease the amount of that protein is normally distributed with a mean of

    asked by Anonymous
  199. calc

    When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV^{1.4}=C where C is a constant. Suppose that at a certain instant the volume is 430 cubic centimeters and the pressure is 89 kPa and

    asked by john smit
  200. stats

    A company wishes to make 1 ounce candy bars. According to government regulations, in order to label the candy bars as 1 ounce, at least 95 % of the bars must weigh 1 ounce or more. Our process standard deviation is .08 ounces. What do we need to make the

    asked by Alex
  201. The practice of working with school age children

    According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are    A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher

    asked by Amanda
  202. Science

    Calculate the Volum ( In3 units) of a .740 lb object which has a densitiy of 1.326g/cm3 1 lb = 454 g 1 in = 2.54 cm

    asked by Hani
  203. The practice of working with school age children

    A 2006 survey stated that youngsters ages 12-17 who were left home three or more days a week were three times as likely to A. be working an outside job. B. engage in criminal behavior. C. campaign against the use illegal drugs. D. supervise neighborhood

    asked by Amanda
  204. The practice of working with school age children

    Which of these is a benefit of unstructured outdoor play? A. Emotional well-being B. Learned helplessness C. Video game skill D. Learning of rules A.

    asked by Amanda
  205. The practice of working with school age children

    One effective way to include children in developing an attractive environment is to ask them A. to describe their bedrooms. B. what color they want their car to be. C. to describe how their mom sets up the house. D. what they would do with an open space.

    asked by Amanda
  206. health

    What is intensity?

    asked by kaitlyn
  207. Math

    how do I find out how to list 7/10, 5/8, and 3/7 from greatest to least

    asked by Jamie
  208. math

    A biker traveling with a velocity of 80 feet per second leaves a 100 foot platform and is projected directly upward. The function modeling the projectile motion of the biker is s(t)=-16t^2+80t+100,where s(t) is the height and t is the number of seconds the

    asked by crystal
  209. marketing

    you are hired by a university to assist in determine the size and range of salary offers for graduating seniors, Describe how you would select a sample of respondents to answer the question of staring salaries and why would you use this particular sample?

    asked by donna mcgill
  210. Finance

    The 6 percent, semi-annual bonds issued by Black Water Mills mature in 9 years and have a face value of $2,200. What is the current value of one of these bonds if the market rate of return is 11.10 percent?

    asked by rachel