Questions Asked on
April 22, 2013

  1. Physics

    Neglecting air resistance, how high could a 0.15kg baseball be thrown if it is throw straight up at a speed of 25m/s?

    asked by Kevin
  2. Math

    What is length of DF if DE and EF are equal and EF is 4 meters?

    asked by Jay
  3. social development

    what emotion male express more freely that female

    asked by Alston
  4. math

    solve the following inequality. 24x-55

    asked by sue
  5. chem

    Which of the following solutions represent a buffer system? Select all that apply. Answer A. H2CO3 and HCO3- B. HNO2 and NaNO2 C. NH4Br D. Na2SO4 E. HClO4 and NaClO4 F. CH3COOH

    asked by bj
  6. Child Develompment

    _____ is the only emotion do males express more freely than females in everyday interaction?

    asked by Alston
  7. physic30

    Changing Momentum The illustrations show two ways of providing impulse to change the momentum of a vehicle. In the top illustration, the vehicle collides with a massive concrete barrier. In the bottom illustration, the vehicle collides with water-filled

    asked by alejandro
  8. Chemistry

    I had to share a diagnostic procedure that I had done. I shared a breast MRI, in which I had contrast. Now I need to share on balanced chemcial equation related to this, and be sure to be specific. Can someone please help me??

    asked by anonymous
  9. national governoment

    why would Nullification would have had the effect of returning the nation to the Articles of Confederation

    asked by Anonymous
  10. chemistry

    predict which three of the following five aqueous solutions should react with solid aluminum metal (the elemental form of aluminum): AgNO3, Na2CO3, CuSO4, CaCl2, Pb(NO3)2

    asked by Anonymous
  11. math

    1)find the sum of the odd integers from 25 to 75 2)find the sum of the first 20 terms in the series 10+5+2.5+1.25... . please show the steps to solve the problem^_^

    asked by sarah
  12. physics

    suppose that there are 1.9*10^25 stars in the universe. how many moles of stars would this be?

    asked by john
  13. math

    I am a six digit number, all my digits are the same, the sum of all my digits after being subtracted from the largest six digit number is six, who am i

    asked by srinidhi
  14. Organic Chemistry

    A student dehydrated 12 grams of 2-methylcyclohexene with 85% H3PO4. What are the theoretical and percent yields?

    asked by Josh
  15. Organic Chemistry

    A student dehydrated 12 grams of 2-methylcyclohexene with 85% H3PO4. What are the theoretical and percent yields?

    asked by Josh
  16. Statistics

    An insurance company wishes to examine the relationship between income (in $,000) and the amount of life insurance (in $,000) held by families. The company drew a simple random sample of families and obtained the following results: (Family) (Income)

    asked by Jak
  17. Organic Chemistry

    A student dehydrated 12 grams of 2-methylcyclohexene with 85% H3PO4, and acquired 6.50 grams of alkene. What are the theoretical and percent yields?

    asked by Josh
  18. Statistics

    International Pictures is trying to decide how to distribute its new movie ‘Claws’. ‘Claws’ is the story of an animal husbandry experiment at the University of Southern Queensland that goes astray, with tragic results. An effort to breed meatier

    asked by Jak
  19. anatomy/urgent

    What is the functional advantage of the cat having so many muscles performing the same or very similar action? How does this relate to the human musculature?

    asked by paul
  20. chemistry

    Using the PM3 semiempirical method in HyperChem, treat planar napthalene. First build the molecule, choose SemiEmpirical methods and PM3, and perform a Geometry Optimization. Look in the "Compute>Orbitals" menu to determine the energies of the HOMO and

    asked by muneer
  21. Chemistry

    (NH4)2S+CuSO4=

    asked by judy
  22. Chemistry

    Need type of reaction and balance of (NH4)2S+CuSO4=

    asked by judy
  23. Business Law and Taxes

    Q. No.1.From the following information compute the Gross total income and taxable income of Mr. Murugan of Chennai. Income from Salary 1,20,000 Interest on Government security 20,000 Winning from lottery (Gross) 30,000 Dividend 40,000 Rent from house

    asked by Oprakas
  24. Demand Planing and Forecasting

    A retail outlet deals with a wide range of gift articles (ranging in unit value from Rs 100 to Rs 1000). Identify the various factors influencing the demand and sales for this range of gift articles. What kind of data inputs will be useful for this

    asked by Omprakash
  25. Research Methodology

    A hospital has treated of 500 patients suffering from a disease. Find whether the new treatment is superior to the conventional treatment: No. of patients Favourable Not favorable New 280 60 Conventional 120 40 Use chi-square test. (Note: Table value at 5%

    asked by Vijay
  26. Quantitative Techniques

    Q No. A company is seriously considering buying one type of machine that can save significant labor hours. The labor hour saved by the machine follows a normal distribution with mean = 2200 and a certain standard deviation. It is known that there is a

    asked by Vijay
  27. Math (Percent discount)

    With the holiday approaching, Nancy's Closet is having a sale, where all their clothes are 40% off. Mary, who works there, can get a further staff discount of 30% off the sale price. What is the total percent discount that Mary gets?

    asked by Bob
  28. math

    A man travels 4km due north,then travels 6km due east and further travels 4km due north .how far he is from the starting point.

    asked by nripesh
  29. Life Orientation

    Factors that contribute to HIV & AIDS

    asked by Petunia
  30. statistics

    from a normally distributed infinite number of iron bars lengths with a mean and standard deviation as 4 ft. and 0.6 ft. respectively, a sample of 100 bars is taken. if the sample mean is 4.2 ft., can the sample be called a truely random sample?

    asked by aman
  31. Physics

    Climbing to the top of Mount Everest is hard. But, it's slightly easier than you might think as people weigh less as they climb to the top. Let WE be a person's weight on top of Mount Everest and WS be their weight at sea level. What is the value of

    asked by Bob
  32. Physics

    If you've ever watched sailing, you will sometimes see a sailor hanging off the side of the boat, for example in this shot from the movie "The Thomas Crown Affair." Eventually, of course, the sailboat tips over so far that a person cannot keep it balanced.

    asked by Bob
  33. math

    there are 9 candidates running for 3 seats....how many different election results are possible

    asked by mike
  34. Chemistry

    25 mL 0.1 M acetic acid is titrated with 0.1 M NaOH. Calculate the pH after the addition of 0.0 mL, 1.0 ml, 2.5 mL, 4.0 mL, 7.0 mL, 10.5 mL, 15.0 mL, 17.0 mL, 20.0 mL, 22.0 mL, 23.0 mL, 23.5 mL, 24.0 mL, 24.25 mL, 24.5 mL, 24.75 mL, 25.0 mL, 25.25 mL, 25.5

    asked by smartkid <33
  35. life Orientation

    what are the health hazards of HIV AND AIDS and how does it affect our environment?

    asked by Monki Moloisane
  36. chemistry

    STANDARDISATION OF 0.1 M HCl Borax dissolves slowly in water at room temperature. Why do we not use a stirring rod to mix the solution and speed up this stage of the experiment?

    asked by alex
  37. chemistry

    15.0 mL of 8.00 M NaOH was diluted with water to 500 mL. Calculate the molarity of the diluted NaOH solution. My calculations: 0.015L x 8.00moles/1L x 39.997/1mole = 4.8g M= (4.8g x 1mole/39.997) / 0.500L = 0.24M is my workings correct? Is there another

    asked by alex
  38. chemistry

    Calculate the weight (in mg) of borax Na2B4O7.10H20 required to react with 25.0 mL if 0.100 M HCI No. moles HCl consumed = __________ moles No. moles borax required = __________ moles Molar mass of borax = __________ g mol-1 (Na2B4O7.10H2O) Weight borax

    asked by alex
  39. GED

    2.) Sharon's share for lunch is $8. If she pays with a $20 bill, how much change should she get?

    asked by Mustafa
  40. Maths

    For how many odd positive integers n

    asked by OIan
  41. chemistry

    For each of the following primary standard acids, write the titration equation and calculate the volume of 0.100 M NaOH required for the titration: (i) 300 mg benzoic acid (C6H5COOH) (ii) 200 mg oxalic acid dihydrate (C2O4H2.2H2O) Equations: (i): C6H5COOH

    asked by alex
  42. PHYSICS!!!!...PLEASE HELP

    Ski boots are usually made with releasable bindings. This is done for safety – if you fall and your ski gets caught, the binding between the boot and the ski will release so the ski pops off rather than twisting your knee. Sometimes this leads to the

    asked by HELP ME...uRGENT!...PLEASE
  43. physics

    a block of a mass starts from rest and slides down a surface which correspnds to a quarter of a circle. if the curved surface is smooth, what is the speed at the bottom?

    asked by mojalefa
  44. applied physics

    an ironworker drops a hammer 5.25m to the ground. what is its speed as it hits the ground?

    asked by donna
  45. applied physics

    a sky diver jumps out of a plane at a height of 5000 ft. if her parachute does not open until she reaches 1000 ft, what is her velocity at that point if air resisitance is disreguared?

    asked by donna
  46. physics

    Calculate the pressure in newtons per square meter due to whole blood in an IV system, such as the one shown in Figure 6.9, if h = 1.5 m. (b) Noting that there is an open tube, so that atmospheric pressure is exerted on the blood in the bottle, calculate

    asked by Anonymous
  47. statistics

    When you add the values 3, 5, 8, 12, and 20 and then divide by the number of values, the result is 9.6. Which term best describes this value: average, mean, median, mode, or standard deviation?

    asked by Anonymous
  48. calculus

    the function s(t)=(t^2+t)^2/3, t>0, represents the displacement s, in metres, of a particle moving along a straight line after t seconds

    asked by kmk
  49. statistics

    1. In a Gallup poll of 1,038 adults, 540 said that second-hand smoke is very harmful. What is the percentage of adults who said second-hand smoke is very harmful?

    asked by Anonymous
  50. applied physics

    a 5000lb truck is 20.0ft from one end of a 50.0ft bridge. a 4000lb car is 40.0ft from the same end. how much weight must each end of the bridge support?(neglect the weight of the bridge.)

    asked by donna
  51. applied physics

    two painters stand on a 10.00m scaffold. one,of mass 65.0kg, stands 2.00m from one end. the other, of mass 95.0kg, stands 4.00m from the other end. they share a paint container of mass 18.0kg located between the two and 2.50m from the larger person. what

    asked by donna
  52. applied physics

    the work required to lift eleven 94.0lb bags of cement from the ground to the back of a truck is 4340ft lb. what is the distance from the ground to the bed of the truck?

    asked by donna
  53. applied physics

    a gardener pushes a mower a distance of 900m in mowing a yard. the handle of the mower makes an angle of 40.0 degrees with the ground. the gardener exerts a force of 35.0 N alonf the handle of the mower. how much work does the gardener do in mowing the

    asked by donna
  54. college physics

    How many seconds would it take a 7.00hp motor to raise a 475 lb boiler to a platform 38.0 ft high?

    asked by sean
  55. college physics

    how long would it take a 4.50kW MOTOR TO RAISE A 175KG BOILER TO A PLATFORM 15.0M ABOVE THE FLOOR?

    asked by sean
  56. Java Programming

    Write a program that asks the users to enter five test scores into an array

    asked by Caren
  57. physics

    A particle is projected vertically upwards with velocity of u.after t seconds particle is projected from some point with same velocity.How long does it take for the second particle to meet the first particle?

    asked by Anonymous
  58. maths

    When pulled a 30 m piece of string streches 180cm.find percentage increasing length

    asked by patrick
  59. agricultural science

    outline and explain the objectives of fencing a farm?

    asked by patrick matlholwa
  60. High School Diploma - Writing Skills

    Pennfoster - Questions 1 - 20 I need to compare the answer. Please help.

    asked by annoymous
  61. physics

    A resistor with 780 is connected to the plates of a charged capacitor with capacitance 4.32 . Just before the connection is made, the charge on the capacitor is 7.80 1)What is the energy initially stored in the capacitor? 2)What is the electrical power

    asked by samya
  62. chemistry

    is there a chemical equation for gadolinium medium contrast?

    asked by Heather--Please help
  63. philosophy

    Hello I am to write a three page paper that identifies a current event or a contemporary social issue that involves ethical values.I have chosen to write about abortion. For my pro choice argument I have chosen existentialism. And for the pro-life argument

    asked by angela
  64. physics

    A flat coil of wire consisting of 56 turns, each with an area of 39 cm^2, is positioned perpendicularly to a uniform magnetic field that increases its magnitude at a constant rate from 3.1 T to 10 T in 5.7 s. If the coil has a total resistance of 0.56

    asked by Jenna
  65. Physics

    A coil with 347 turns of wire, a total resistance of 49 Ω, and a cross-sectional area of 0.28 m2 is positioned with its plane perpendicular to the field of a powerful electromagnet. What average current is induced in the coil during the 0.31 s that the

    asked by Jenna
  66. physics

    Thunderstorms can have an electric field of up to 341 × 10 ^5 N/C. What is the magnitude of the electric force on an electron in such a field? The fundamental charge is 1.6002 × 10^−19 C .

    asked by Jenna
  67. math

    n and m are positive integers that satisfy n^3+2n^2=m^2. If 1≤n≤1000, how many possible pairs of (n,m) are there?

    asked by er
  68. Computers

    In Python - A state creates license plates, each containing two letters followed by three digits. The first letter must be a vowel (A,E,I,O,U), and duplicate letters and digits are allowed. The second letter can be any letter of the alphabet. The state

    asked by Sheryl
  69. English 8th class

    why polo is called king of the game?

    asked by Anonymous
  70. Chemistry

    How much energy, in kj, is absorbed by 23.8g of acetone when it evaporates if its molar heat of vaporization is 32.0 kj/mol?

    asked by Jill Hoff
  71. math

    If pam as 100 dimes and nickels,that equals $14.05. How many quarters does she have?

    asked by Isaias
  72. Principles of Management

    Question 1 of 20 5.0 Points Which of the following is NOT a benefit of planning? A. Helps you check on your progress B. Helps you think ahead C. Helps you cope with uncertainty D. Helps you compare your results to a standard Reset Selection Question 2 of

    asked by Joel
  73. Math

    An equilateral triangle ABC has AB=20√3. P is a point placed in triangle ABC and D,E and F are the foot of the perpendiculars from P to AB, BC and AC, respectively. If PD=9 and PE=10, what is the value of the length of PF? Please work the complete

    asked by Watson
  74. algerbra 2

    -3 · -u · -7v + 8v - 6uv

    asked by Anonymous
  75. maths

    If a= 3 +2 root 2 , then find the value of a^2 - 1/a^2 ????

    asked by tuhituhi
  76. Math

    A car moving at 4.5 m/s accelerates at 2.5 m/s square. How fast will it be moving after 7.5 seconds ?

    asked by Aayushman
  77. Math help

    A gas station charges $2.19 per gallon of gas. Use function notation to describe the relationship between the total cost C(g) and the number of gallons purchased g. C(g) = –2.19g g = 2.19C(g) C(g) = g + 2.19 C(g) = 2.19g Please tell me the explination

    asked by Mr.Brain
  78. life orintation

    Recommendations on how to address. Teenage pregnancy

    asked by mpumie
  79. Life orientation

    In 10-15 lines critically discuss 5 ways in which the Environment problem impacts on the community.provide relevent sources to support your claims.

    asked by Rosemary
  80. Physics

    Calculate the magnitude of the magnetic field at a point 43.6 cm from a long, thin conductor carrying a current of 1.24 A. The permeability of free space is 1.25664 × 10^−6 T · m/A. Answer in units of T

    asked by Like a Boss
  81. Art Appreciation

    Compare Raphael's School of Athens with Veronese's Christ in the House of Levi. How did each work reflect the environments of Rome or Venice?

    asked by kendra
  82. Life orientation research

    20 ways in which fire impact the community

    asked by Biyela zanele
  83. Chemistry

    Suppose you wanted to find out how many milliliters of 1.0 M AgNO3 are needed to provide 169.88 g of pure AgNO3. a. What is step 1 in solving the problem? b. What is the molar mass of AgNO3? c. How many milliliters of solution are needed?

    asked by Somer
  84. Life orientation

    Recommendation on how to address fire

    asked by Biyela zanele
  85. Math

    A spinner has three congruent sectors colored orange, green, and purple. Every spin has has 1/3 chance of landing on any color and there is 1/9 chance of landing on orange and then on purple. There is 1/3 chance of landing on same color twice in a row. I

    asked by Cherie
  86. Life orientation

    Discuss 5 ways in which the human or environmental problem impacts on the community.

    asked by Thomas
  87. life orintation

    Recommendations on how to address. Teenage pregnancy

    asked by mpumie
  88. chemistry

    if burning one mole releases 1310.0 kj, then how many moles will release 227.30?

    asked by suzy
  89. Probability?

    A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. Find P(red, then blue).

    asked by Katie
  90. chemistry

    how many milliliter of .750M sulfuric acid are needed to neutralize completely 20 g of NaOH?

    asked by xavier
  91. Life orientation

    In 10-15 lines critically discuss 5 ways in which the human or invironmental problem impacts on community (HIV/AIDS)

    asked by Ntombenhle
  92. Life orientation

    In 10-15 lines critically discuss 5 ways in which the human or invironmental problem impacts on community (HIV/AIDS)

    asked by Ntombenhle
  93. Science Help! Ms. Sue Please!

    8. Which of the following explains why the chemical products from a reaction have a different mass than the chemicals at the beginning? The products are heavier and sink. The products are lighter and rise. The products are a gas and escape into the air.

    asked by Sarah
  94. Life orientation

    Provide recommendations on how to address aids

    asked by Rosemary
  95. english

    who is the author of the story the ghost got in

    asked by raasha
  96. Computers

    What is Snapshot Tracking Search Patterns?

    asked by Tameika
  97. life orientation

    5 recommend ations on how to adress the environmental problems with in your community or any other community wi thin south afri ca and globally

    asked by prudence simelane
  98. Math Ms Sue??

    What is the formula to find the diamter of a given circumference?

    asked by Tamara
  99. Logarithms

    if loga(b)=1/48 what is the value of logb(a^2) ?

    asked by Tony
  100. Math question

    Does d =2/r relate4s to the measures of the diamter and radius of a circle? or d= r/2 ? I think the first one I said.

    asked by Tamara
  101. chemistry

    What is the osmotic pressure in torr of a 0.0155 M glucose solution at body temperature ( 35.7 °C)? What are the boiling and freezing points for the same solution?

    asked by Ali
  102. Physics

    Visitors at a science museum are invited to sit in a chair to the right of a full-length diverging lens (f1 = -3.3 m) and observe a friend sitting in a second chair, 1.94 m to the left of the lens. The visitor then presses a button and a converging lens

    asked by tommm
  103. Agricultural science

    What are the important features of a building which could be used as a milking shed (parlour),diary (milk room) and food store to ensure production of clean fresh milk?

    asked by Keorapetse
  104. Life orientation

    Provide recommendations on how to address the Hiv/aids

    asked by Shonisani
  105. Life orientation

    Community organizations that are involved in supporting,how these organizations are involved

    asked by Shonisani
  106. Life orientation

    Impact of(hiv/aids)identified environmental hazard on the community

    asked by Rosemary
  107. english

    (1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these Upward Bound students. (2) As a college teacher who has also taught seventh-grade science, I have some experience with the faces

    asked by nena
  108. Economics

    Would leisure time considered an inferior good when the substitution effect dominates? I think that the answer is yes because if you are willing to work more hours in order to make more money than you do not value leisure time that much. Is this correct?

    asked by Hannah
  109. english

    What kind of fallacy are these 2 examples? 1. "Fresh fruits and veggies make life better." 2. "Fairway coffee is the essence of life itself."

    asked by Rachel
  110. Education

    A term referring to perspectives on children’s development that emphasize the importance of cultural influences is A) cultural constructivism. B) ethnoconstructivism. C) social constructivism. D) anthropological constructivism. I believe the answer is C,

    asked by Lor
  111. english

    The Call of the Wild is a story about a dog named Buck. Buck is a pampered dog who lives with a wealthy family in southern California. During the Gold Rush, Buck is captured, sold, and eventually shipped to Alaska to work as a sled dog. Along the way, Buck

    asked by nena
  112. Math

    A 15-g sample of radioactive iodine decays in such a way that the mass remaining after t days is given by m(t) = 15e^(−0.051t), where m(t) is measured in grams. After how many days is there only 3 g remaining?

    asked by Zach
  113. Algebra

    Which inequality represents the solution set for the compound inequality below? -3

    asked by Shevani, help me
  114. math

    Suppose that a vegetable vendor pays 7% interest daily on a $10 loan. Then, suppose that this individual was able to save $0.50 per day by drinking less tea. Calculate the number of days it would take for the vendor to no longer need to borrow money in

    asked by cevin
  115. Chemistry 110, college

    A solution is prepared by dissolving 56.5g of ethylene glycol in 874 g of water. Calculate the change in the boiling point and the freezing point.

    asked by Holly
  116. Education

    It is not necessary for teachers and parents to maintain a close relationship for successful inclusive teaching to take place. A) True B) False I believe the answer is false, but wanted a second opinion.

    asked by Lor
  117. Life oriantation

    In 10-15 lines critically discuss 5 ways in which the human or environmental problem(pollution)impacts on the community

    asked by Majoro
  118. physics

    why we find a wave form in a floating flag

    asked by Anonymous
  119. College: Diversity Education

    A term referring to perspectives on children’s development that emphasize the importance of cultural influences is A) cultural constructivism. B) ethnoconstructivism. C) social constructivism. D) anthropological constructivism. I believe the answer is C,

    asked by Anonymous
  120. anatomy

    how to write an essay on the importants of diet and exercise?

    asked by bryonna
  121. Algebra

    How are the processes of adding monomials and adding polynomials alike? How are the processes different?

    asked by Casey
  122. english

    Detective Simon Levant had the unconscious habit of caressing his moustache while pondering evidence. 19. Which element of an effective fictional narrative does this sentence best represent? A. Plot B. Characterization C. Theme D. Conflict

    asked by no
  123. Chemistry

    Lead can be extracted from lead(II) sulfide, PbS, in two stages. Stage 1: Lead(II) sulfide is heated in air. It reacts with oxygen to produce lead(II) oxide and sulfur dioxide. Stage 2: The Lead(II) oxide is then heated in a blast furnace with coke. (a)

    asked by Qindan
  124. Biology immediate help! please!

    Need help please don't understand these questions. Dihybrid Genetic Crosses for Corn. A. What are the two hypotheses that you made about the allelic frequencies of progeny produced by the crosses: P x P? P F1 x F1? F B. Based on what you know about

    asked by TIna
  125. life orientation

    Eight ways in which poverty impacts the community in south Africa

    asked by Reratilwe
  126. Chemistry

    The equation for the reaction that occurs when lead(II) oxide is heated with coke in a blast furnace is: 2PbO+c -->2Pb+CO2 (i)State, with a reason, whether PbO is oxidised or reduced in this reaction. (ii)Calculate the minimum mass, in tonnes, of coke

    asked by Qindan
  127. Physiology Midterm exam

    1- List at least 5 most striking morphological and functional characteristics of nerves tissue make it different from other tissues? 2- Point out the advantages and disadvantages of chemical synapses as compared to electrical ones. Where in the human body

    asked by Physiology
  128. to Anonymous or Lor or whoever

    Do NOT put a tutor's name where YOUR name should be. That's impersonation, and it will not be tolerated.

    asked by Writeacher
  129. Life orientation

    In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community. Provide relevant sources to support your claims.

    asked by Ndidzulafhi
  130. Life orientation

    In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community. Provide relevant sources to support your claims.

    asked by Ndidzulafhi
  131. science

    Explain how heat is transferred between a hot and a cold object by conduction — for example, a warm foot on a cold floor.

    asked by Boobear
  132. physics

    4(a) What is the magnitude of the gravitational force of the Earth on a surveillance satellite of mass 1040 kg that is in a grazing circular orbit 100 km above the surface of the Earth. (b) Find the magnitude of the acceleration of a satellite in such a

    asked by joey
  133. HITT

    The doctor is dictating, "He was the 8 lb 1 oz product of agolz." Agolz is what it sounds like.

    asked by Suzi
  134. Algebra (logs)

    Please help, I need help on these two problems. Solve the equation. log3(x − 16) = log3(9x) e^1 + ln(7) It appears on the homework that the ln(7) is written like this ^ln(7) but I am still stuck on it. Thanks!

    asked by Karl
  135. math

    what is 25/50 pleaes reduce to the lowest term

    asked by debra brwwn
  136. maths

    In an AP the first term is 2 and the nth term is 29 and the sum of the n term is 155 find n

    asked by John
  137. maths

    the simple interst on $480 after 2 years is $72. the rate percent per annum is

    asked by naral
  138. english

    write your points for or against the motin which states that 'excessive self confidence is indisputably a boon and not a bone .750 words

    asked by John
  139. math

    a post is driven into the ground. the first strike drives the post 30 inches into the ground. the next strike drives the post 27 inches into the ground. assume these distances form a geometric sequence, what is the total distance the post is driven into

    asked by Anonymous
  140. math

    a post is driven into the ground. the first strike drives the post 30 inches into the ground. the next strike drives the post 27 inches into the ground. assume these distances form a geometric sequence, what is the total distance the post is driven into

    asked by Taylor
  141. Math PLEASE HELP!

    I am really struggling with these questions. Any help is appreciated. Approximate x to three decimal places. log x = 3.5829 log x = 0.6703 log x = −1.5959

    asked by Eric
  142. math

    If a prism was filled with 43 cubes with half unit side lengths. what is the volume of the prism in cubic units?

    asked by sydney
  143. Math

    Add and convert 4-4/5 + 3-3/5=

    asked by Tim
  144. Social studies(Mrs.Sue Please Help)

    Can someone tell me what are context clues are? Can you give me some examples? Thanks if you help:)

    asked by Kim
  145. College Chem

    charles law: 7.89 l sample of gas had pressure of 850 torr. what volume will it occupy if the pressure is changed to 457 torr? (torr is a measurement of pressure. 760 torr = 1 atmosphere

    asked by judy
  146. geometry

    which pattern blocks can be combined to make the shape rhombus?

    asked by Mrs. Vargas
  147. Calculus

    Part I The change in annual revenue in thousands of dollars for the Ozark Zip Line Corporation has been modeled by the function. R(x) = 8.2x^2 + 23.1x where x is the number of years after 2000. To find the total revenue gained between the years 2002 and

    asked by Roland
  148. algebra

    how do you make a stem-and-leaf plot for numbers like this: 24,000 28,000 26,000 32,000 30,000 41,000 27,000 22,000 26,000 33,000

    asked by s
  149. math

    What fraction is equivalent to 14/22

    asked by sam
  150. physics

    In a series circuit, the voltage across the resistor has an amplitude of 10 V. Across the inductor it is 25 V and across the capacitor it is 9 V. To the nearest tenth, what is the amplitude of the voltage across the whole group?

    asked by hannah
  151. english

    what are the different kinds of nouns for 7th grade and what do they mean? ms. sue if you can may you help me????

    asked by lola
  152. CHEMISTRY

    Suppose a student adds 25.00 mL of 1.025 M HCl to a 1.50 g antacid tablet. The student boils and then titrates the resulting solution to the endpoint with 0.4969 M NaOH. The titration requires 21.3 mL NaOH to reach the endpoint. How many moles of HCl were

    asked by Sarah
  153. algebra-word problem

    2001-2005 number hours user spent on the internet each week increased 110% by hours. This percent increased amount to 11 hours. Find the average number of hours that a user spent on the internet in each week in 2001 and 2005. Having problems with setting

    asked by Deb
  154. math

    Round 398,669.6 to the nearest whole number.

    asked by Anonymous
  155. Physics

    a simple pendulum consists of a 1.5 kg mass connected to a cored without and mass or friction. Initially the pendulum is vertically positioned when a 2.0 kg mass collides with ie, causing the pendulum to displace vertically upward 1.25 m. After the

    asked by Natalia
  156. math

    What am I? I have four digits is 1. The product of my digits is 0

    asked by justin
  157. psychology

    what makes social psychology unique in terms of social science

    asked by slomomo
  158. math

    if the perimeter of a rectangle is 140m what would the length and width be

    asked by denny
  159. math

    Harry planned a rectangular garden that was 40 feet long and 10 feet wide. A. What was the perimeter, in feet, of the garden that Harry planned? B. What was the area in square feet, of the garden that Harry planned? C. Suppose Harry decided to change the

    asked by Anonymous
  160. math

    how do you calculate the area of a net

    asked by Anonymous
  161. CHEMISTRY

    If a tablet contains 129 mg of Mg(OH)2 and 505 mg of CaCO3, how many moles of HCl would theoretically be neutralized?

    asked by Jo
  162. Math

    The sunglasses that Ramon wants to buy are 50% off the original price of $85. If he has to pay 6% tax, what will the glasses cost? Please help me by answering and explaining.

    asked by Anonymous
  163. science

    If the current in a wire is at 0.5 A and the voltage is measured at 100 volts, what is the resistance in the wire? Show all work and include the proper units.

    asked by Anonymous
  164. chemistry

    how many moles of sand were reacted when you process 100 g of sand and produce 51.4 g of silicon carbide

    asked by daniele
  165. geometry

    What shape will you always get when you combine a trapezoid pattern block and a triangle pattern block?

    asked by Mrs. Vargas
  166. geometry

    What shape will you always get when you combine a square pattern block and a triangle pattern block?

    asked by Mrs. Vargas
  167. Find the function

    Find the function that is finally graphed after the following transformations are applied to the graph of y=√x in the order listed. 1) Reflect about the x-axis 2) Shift up 7 units 3) Shift right 4 units

    asked by Karlee
  168. Chemistry!!

    A chemist wants to prepare a stock solution of H2SO4 so that a sample of 20.00mL will produce a solution with a concentration of .50 M when added to 100.0mL of water. A)what should the molarity of the stock solution be? B)If the chemist wants to prepare

    asked by Anonymous
  169. momentun

    A small steel ball B is at rest on the edge of a table of height h=1m. Another steel ball A, used as the bob of a simple pendulum also of length h=1m, is released from rest with the pendulum suspension horizontal, and swings against B as shown in the

    asked by Anonymous
  170. physics

    Assume that you have two objects, one with a mass of 5 kg and the other with a mass of 20 kg, each with a charge of −0.012 C and separated by a distance of 9m. What is the electric force that these objects exert on one another? Answer in units of N

    asked by Anonymous
  171. analytical chemistry

    chemical equilibria involved in precipitation reaction

    asked by rose
  172. Physics/Astronomy

    Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm ( Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the earth).

    asked by Blake
  173. Chemistry

    If the hydrogen volume reads 8.35 mL, what number of moles does the represent at STP (1 atm and 0oC)? How many moles of electrons were added to the solution to create 8.35 mL of hydrogen gas?

    asked by Anonymous
  174. Math

    There are 8 pencils in a package. How many packages will be needed for 28 children if each child gets 4 pencils?

    asked by Taytay
  175. calculus

    Let f(x)=3x^2+x+3/2x+1. What is the derivative of f with respect to x

    asked by lisa
  176. CHEMISTRY

    What mass of NaCl is required to precipitate all the Ag ions from 20 mL of .100 M AgNO3 solution

    asked by CIndy
  177. Algebra 1

    1.Simplify the expression below (-2w^3)^5 / 8w. What is the value of the exponent on "w" ? 2.Simplify the expression (4x^2 - 3x +1) - (x^3 +2x +7). What is the coefficient of the x term in the simplfied expression? 3. Jack Watson is wroking in a lab making

    asked by Shevani, help me
  178. ANATOMY

    What is the functional advantage of the cat having so many muscles performing the same or very similar action? How does this relate to the human musculature? Can someone help me? please

    asked by paul
  179. Cost Accounting

    Miller Ltd has been considering the purchase of a new machine. The existing machine is operable for three more years and will have a zero disposal price. If the machine is disposed now, it may be sold for $35,000. The new machine will cost $180,000 and an

    asked by Keyano
  180. english

    is correct to say "the patient was brought to the operating room." ? "was brought" seems awkward. Instead, "the patient was taken to the OR."

    asked by greg
  181. Trig

    Rewrite -2x^2 + sqrt(3)xy - y^2 +2 = 0 with the xy term eliminated. Round terms to nearest hundredth.

    asked by Lost One
  182. percent increase

    If you increase 7,500 by 15%, how much would you have?

    asked by Captain Obvious
  183. Precalculus with Trigonometry

    Calculate the work done by gravity as a 10 kg object is moved from point A = (0,0,0) to point B = (1,2,0). We are given s = (x sub f - x sub I)x(hat) + (y sub f - y sub I)y(hat) + (z sub f - z sub I)z(hat). Sorry if that doesn't make sense. I think I have

    asked by Natalie
  184. U.S/history AP

    ---------a Treaty provision that the colonies of the central powers wentunder the control of the Allies,to be administered so that they could become independent at some later(never set)date. is not Treaty of Versailles,what coul be? can you help me?

    asked by joy
  185. Math

    What is the difference between the number of possible answers on a five question true-false test and a five -question multiple choice test withfour choices per question

    asked by Praphul
  186. Math

    What is the difference between the number of possible answers on a five question true-false test and a five -question multiple choice test withfour choices per question

    asked by Praphul
  187. Algebra 1

    What is an equation of a line perpendicular to the line with equation y = 1 - 3x a.y=-3x + 5 b. y=3x + 5 c.y=-1/3x + 5 d. y=1/3x + 5 To solve the linear system below, which substitution of unkowns is proper ? x + 4y= -6 5x - 3y = -16 a. substitute -4y-6

    asked by Ley
  188. Trig

    Convert 2xy = 1 to polar form.

    asked by Lost One
  189. math

    I need 2 three digit numbers that total 16848

    asked by julia
  190. Health

    Can you please Analyze the health impacts of the second stage of stress (Resistance?

    asked by John
  191. MATH.

    7=2-5m; m= X+ 0.054= -1.802; x= If u can help me out or answer these for me u arr awesome and thank you.

    asked by Audrey
  192. Physics

    In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 570nm . A)What is the work function of this material? W0= in eV B) What is the stopping voltage required if light of wavelength 420nm is used?

    asked by Allen
  193. physics

    A gamma-ray photon produces an electron-positron pair, each with a kinetic energy of 275keV . What was the energy of the photon? E=in MeV What was the wavelength of the photon? wavelength in m Please help thank you!

    asked by Allen
  194. Fact & inference

    Please check if these are correct: 1)King Alfred of England invented the candle clock [fact] 2) People had to keep replacing the candles [inference] 3) The candle clock had a lantern over it [inference] 4) Rooms in 870 A.D were probably drafty [fact?]

    asked by Celest
  195. constitution/essay

    Write your paper about a hypothetical proposal that is before the elected school board for the public schools in your city. The proposal stirs deep controversy in the community. Opponents claim that it would violate the Constitution’s prohibition against

    asked by Sarah
  196. percent decrease

    So, would it follow that 14.5 decreased by 4% would be 14.5 times .96?

    asked by Captain Obvious
  197. Physics

    Photons of energy 12eV are incident on a metal. It is found that current flows from the metal until a stopping potential of 8.0V is applied. What would happen if the wavelength of the incident photons was tripled? Would the energy be 4eV,so 12/3=4, and

    asked by Sheila
  198. Math

    A gerbil in a maze has 6 places at which to turn left or right.How many different ways can the gerbil get through the maze?

    asked by Praphul
  199. Health

    What physical changes do individuals encounter at the first stage of stress (alarm)?

    asked by John
  200. math

    what is the formeral for square meters?

    asked by Anonymous
  201. physics

    Someone on a glass-bottom boat shines a light through the glass into the water below. A scuba diver beneath that boat sees the light at an angle of 17 degrees with resoect to the normal. If the glass's index of refraction is 1.5 and the water's index of

    asked by Taylor
  202. Physics

    When UV light of wavelength 295nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.50eV. What is the work function of the metal? W0 in eV Please someone help me out. Thank you.

    asked by Sheila
  203. math Ms Sue help??

    Calculate the area of the trapezoid, which is not drawn to scale. Is this formula right? A = (5+4) x 11/2 =49.5 Paraell sides are 8 in and 11 in. top is 5 inch bottom is 4 in. Wtih two little boxes on each side. Please help me understand ?

    asked by Tamara
  204. Study?

    I have to take a test tomorrow on math to decide whether or not I can make it into the next grade same for tomorrow for reading. What should I do to study? I don't have a textbook to study cause it's at school. Should I look over my notes on everything I

    asked by Anonymous
  205. Math help another

    Find the area of the composite figure. Square with missing top corner. 12in prarel to 10in top 14in bottom 20in. All of little boxes on the three showm corners. I did this. Find area of rectangle A= lxw 14 x 12 = 168 in. Find triangle area A = 1/2 x b xh

    asked by Tamara
  206. Math

    The school bus stops at Randy's stop at 8:15 a.m. Randy arrived at the bus stop at quarter after 8. Did he miss the bus? Explain.

    asked by Quan
  207. Math

    Doug is standing at (2,1). Susan is standing at (1,2). Who is farther to the right? How do you know?

    asked by Thea
  208. math

    Sean's older brother is 16 years old. He runs between 15 and 25 miles each week. The sum of the digits of the total number of miles that he ran last week is eight less than his age. How many miles did Sean run last week?

    asked by Gaby
  209. Optics

    Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm ( Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the earth).

    asked by Blake
  210. physics

    You stand 5.2 meters away from a spherical mirror and your image forms 6.3 meters away on the front side of the mirror. What is your magnification?

    asked by Michaela
  211. Physics

    A light ray traveling through air strikes a smooth, flat slab of crown glass at an angle of 30 degrees to normal. Index of refraction for crown glass is 1.66. What is the angle of refraction?

    asked by Brandon
  212. math ASAP please

    4. What would the graph of y = x^2 + 1 look like? (1 point) a straight line a parabola a dotted line none of the above 5. What would the graph of 10/x look like? (1 point) a straight line a parabola a curve none of the above 6. What would the graph of y =

    asked by Delilah
  213. Math

    Simplify: 2x^3y^2=4x^2z / 2x^4

    asked by Janae
  214. Math

    Solve. x+12/x+4 = x/x+8 A) x=-4 B) x=8 C) x=6 D) x=-6 thinking that it's B.. help?(:

    asked by Maddy
  215. Math

    Given the altitude of lakes in feet: –12, –9, –14, –39, –49, –49, –18, –43, find the mean, median, mode, and range

    asked by Veronica
  216. Math

    What is 538 divided by -63

    asked by Morgan
  217. Algebra

    Which algebraic expression is equivalent to the expression below? 11(8 + 3x) + 20

    asked by Poe
  218. Math

    Solve. 10/3x + 4/3 = 7 + x/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 thinking it's A.. help?(:

    asked by Maddy
  219. Math

    Mr.Brown is building a slide for his kids. The ladder is 3 meters tall ad the slide is 5 meters long. What is the distance between the ladder and the bottom of the slide?

    asked by Anna
  220. Pre Calculus

    If you are riding on a Ferris wheel that is 60 feet tall and it takes 5 minutes to make a one revolution, what is your linear velocity?

    asked by Deontre
  221. Medical Billing & Coding

    1. You're an outpatient coder in Dr. Smith's office. When you code procedures, you're probably using _______ codes. A. ICD-10-CM B. ICD-9-CM C. HCPCS D. CPT ANSWER 2. You're a coder who's reviewing the record of a 62-year-old woman who was admitted to the

    asked by Evelyn
  222. Physics

    A rock is dropped from a bridge that is 45 m above the water. It falls directly into a model boat, moving with constant velocity, that is 12 m from the point of impact when the key is released. What is the speed of the boat?

    asked by shy
  223. math

    what is the slope and y-intercept for y=-2/3x -4.3

    asked by kathy
  224. chemistry/Ksp

    It is more accurate to report a single value OR a range of values for Ksp?

    asked by ANNA
  225. geometery

    Formula to find the area of a composite figure of a square and a triangle?

    asked by Tamara
  226. Chemistry

    Net Ionic Equation for reaction between bromide and silver nitrate

    asked by Teresa
  227. physics (Newton's Law of gravitation)

    I need help with this question until the end if you can, please. Thank you. A neutron star and a black hole are 2.400e+12 m from each other at a certain point in their orbit. The neutron star has a mass of 2.78×10^30 kg and the black hole has a mass of

    asked by Kathy PLEASE HELP
  228. 4th grade math

    4 1/4 minus 1 3/4

    asked by jordyn
  229. Math

    Shaun rides 8 kilo meters west from his house to school. After school he rides 6 kilo meters north to Mario's house. What is the distance from Mario's house to Shaun's house measured in a straight line?

    asked by Anna
  230. Physics Eletric fields and coulomb's law)

    Please, I need the development and correct answer for this problem. I would really appreciate it. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads

    asked by Kathy PLEASE HELP
  231. Operations Research

    The Ploughman family farm owns and operates a 640-acre farm that has been in the family for several generations. The Ploughman’s always have had to work hard to make a decent living from the farm and have had to endure some occasional difficult years.

    asked by Meme
  232. Per Calculus

    A surveyor is standing 50 feet from the base of a building. The angle of elevation to the top of the building is 60 degrees. Approximately how tall is the building?

    asked by Deontre
  233. math

    a man and a woman get into an elevator in the basement of a building. The elevator can let them off at any floor from 1 to 9. What is the probability that they both get off on the same floor?

    asked by Anonymous
  234. Math

    Solve. 10/3x + 4/3 = 7 + x/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6

    asked by Karis
  235. Physics/Optics

    What would the image size of the moon be if you photographed it at Cassegrain focus of a 24-inch telescope with a focal length of 9600mm?

    asked by Blake
  236. Business mathematics

    randy had saved 5000 in an account that offered r% simple interest per annum on 20 march 2008. If the interest on 6 june 2008 was 40, find the exacttime of the investment

    asked by Vicky
  237. Math

    Solve. 10/(3x) + 4/3 = (7 + x)/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 help??

    asked by Amanda
  238. algebra

    6 ways to make 18

    asked by lucero
  239. math

    What is a unit price?

    asked by sophie
  240. Pre Calculus

    If you are riding on a Ferris wheel that is 60 feet tall and it takes 5 minutes to make a one revolution, what is your linear velocity? A. 0.62 feet per second B. 0.31 feet per second C. 37.68 feet per second D. 3.14 feet per second E. 9.42 feet per second

    asked by Deontre
  241. Per Calculus

    An apple pie has a 12 inch diameter and the angle of one slice is 60 degrees. What is the area of that slice of pie? Use 3.14 for A. 14.13 square inches B. 75.36 square inches C. 36 square inches D. 18.84 square inches E. 0.52 square inches

    asked by Deontre
  242. maths

    choose the correct operations to make this statement true;1000[?]81[?]190=10

    asked by ninjini
  243. Math

    Solve. 10/(3x) + 4/3 = (7 + x)/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 help??

    asked by lynn
  244. social studies

    how were the cultural ideals of the renaissance reflected in literature?

    asked by Anonymous
  245. Algebra

    The graph of y=x^2-3x+6 has how many intercepts? (the term x^2 means x squared)

    asked by Kristy
  246. Algebra

    What is the maxima and minima of a parobola?

    asked by Jane
  247. algebra

    Solve. 10/(3x) + 4/3 = (7 + x)/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 PLEASE HELP MRS. SUE!

    asked by lynn
  248. math

    for every 30 feet you descend in a cave, it gets 4 degrees colder. if you are at 8 degrees, how far have you gone. how do you write the equation?

    asked by Anonymous
  249. math

    a car moving at 4.5 m/s accelerates at 2.5 m/s2. How far will it be moving after 7 seconds.

    asked by Aayushman
  250. government

    Is fiscal policy the same thing as a fiscal cliff? If not, then how do they differ? Also what are some important policies in foreign countries that affected citizens their citizens?

    asked by K
  251. Science

    How do I calculate between the race of two automobiles in kilometer speed this is a 8th grade science question

    asked by Alexsi
  252. Algebra

    Drum major tosses the baton into the air from height of 6feet and initial velocity of 45 ft/sec. What is max height? We are to use ht=h+vt-1/2at^2

    asked by Julie
  253. Math

    What figure has an infinite number of lines of symmetry?

    asked by tj
  254. math

    As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the calories he burns over time. Time (in minutes) Number of calories Burned 3 15 6 30 9 45 12 60 Write an equation to represent the

    asked by peter
  255. pre calculus

    what is 36.1 and 50.8 rounded to three decimal places? I was never really good at this stuff....please help!

    asked by terry
  256. math

    As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the calories he burns over time. Time (in minutes) 3 , 6, 9, 12, Number of calories Burned 15, 30, 45, 60, Write an equation to

    asked by peter
  257. algebraic expressions

    If a billiard table is x feet, write an expression involving x that represents its length

    asked by Anonymous
  258. Pre-Calculus

    Could someone check my answers? 27. (16/9)^2/3 = 64/27 28. (49/25)^3/2 = 343/125 31. (-64)^2/3 = 8 32. (-8)^-4/3 = 1/16 or -1/16

    asked by Caroline
  259. anthropology

    im needing help with an assignment that is due tonight by midnight

    asked by pam
  260. algebra

    If a billiard table is x feet, how do I write an expression involving x that represents its length?

    asked by Anonymous
  261. Math

    The invested in a bank savings accouint is coumpounded continousl, with an annual interest rate of 3%. If a deposit of $2000 is made, then determine the balance after 2 years

    asked by Emily
  262. Quantum Physics

    What is the maximum value of the wavelength of light that will ionize the hydrogen atom? Express your answer in units of nanometers.

    asked by qwerty
  263. math (anybody can answer this,my son homework, i )

    As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the calories he burns over time. Time (in minutes) 3 , 6, 9, 12, Number of calories Burned 15, 30, 45, 60, Write an equation to

    asked by peter
  264. Aviation structures

    during landing the leg is subjected to a vertical load of 10,000N, and a drag load 3000N,

    asked by Ryan
  265. CHEMISTRY URGENT!

    alpha emission by plutonium 242 write a nuclear equation

    asked by jinie
  266. chemistry

    if calculating molecular weight of unknown by freezing point depression...All of the unknowns in the activity were nonpolar organic molecules with molecular weight= 100-250 g/mol and using around 1g of the unknown. Provide an example of a solvent that

    asked by JENNA
  267. algebra1

    joe and jim are picking oranges in an orange grove.joe can fill his sack with oranges in 20 minutes.Jim can fill his sack with oranges in 30 minutes They need one more sack at the end of the day.Working together,how long will it take them to fill the sack?

    asked by loulou