Questions Asked on
November 3, 2012

  1. Lana Del Rey Biography Help

    Im doing a biography on the famous singer lana del rey, and im wondering what things I should include in a biography?

    asked by Bryce
  2. physics

    A wagon is pulled by a handle making an upward angle of 25° with a force of 25 N. What is the horizontal force pulling the wagon foward? What is the force lifting the wagon off the road?

    asked by Alyssa
  3. English

    Should I write seek or seeks? . . . which is a group of professionals who seek/seeks. . . .

    asked by Taurus
  4. Calc 2

    Use Taylor’s Estimate to bound the error of the n-th order Maclaurin approximation of sin(a), where a 2 [��; ].

    asked by Tom
  5. Definition question?

    Definition- political division Word Choices- secede, tariff, or NAFTA NAFTA?

    asked by rawr... im a dinosaur.... rawr
  6. Capacitance (tricky)

    Two parallel plates of area 41 cm.^2 have equal but opposite charges of 2.60E-07 C. Within the dielectric material filling the space between the plates, the electric field is 5.80E+05 V./m. Find the dielectric constant of the material. Feel like there is a

    asked by andrew
  7. Math

    The age of ramesh and rahim are in the ratio 5:7. If ramesh was a years oldr and rahim was a years younger,the age of ramesh would have been twice age of rahim.find their age plz gve me sltn fst

    asked by Simran kaur
  8. Math

    Mukul has 3times as much money as atul.If mukul gives rs250 to atul,atul wil have twice as much money as mukul.how much money did each of them have? Plz gve me sltn fst

    asked by Simran kaur
  9. English

    1. Get a tent and sleep outside in your backyard. (In this sentence, what other verbs can we use instead of 'get' to make the sentences having the same meaning?)

    asked by rfvv
  10. Physics

    A ferry is crossing a river.The ferry is headed due north with a speed of 2.5 m/s relative to the water and the river's velocity is 2.0 m/s to the east. What is the magnitude and direction of the ferry's velocity relative to Earth. ( Give the angle from

    asked by alice
  11. devry math

    Find the prime factorization of 196, using exponents when repeated factors appear

    asked by shanta
  12. devry math

    Find the prime factorization of 196, using exponents when repeated factors appear

    asked by shanta
  13. physics

    The spring of the pressure gauge shown in the figure below has a force constant of 1,160 N/m, and the piston has a radius of 1.22 cm. As the gauge is lowered into water, what change in depth causes the piston to move in by 0.750 cm?

    asked by keli
  14. math

    A set of n = 5 pairs of X and Y values has SX = 10, SY = 20, and SXY = 10. For this set of scores, what is the value of SP?

    asked by meka
  15. biology

    what is the function of adrenel glands

    asked by jessica
  16. biology

    what is the function of pancreas

    asked by jessica
  17. calculas maths

    .Two hikers begin at the same location and walk in perpendicular directions. Hiker A travels due north at a rate of 3 miles per hour; Hiker B travels due east at a rate of 5 miles per hour. At what rate is the distance between the two hikers changing 4

    asked by ashwani
  18. biochemistry

    Enzyme X is a highly pigmented protein that imparts the characteristic color to certain blue-green algae. It also facilitates a reaction necessary to the survival of this species; we can follow the kinetics of this reaction by measuring the conversion of

    asked by Ama
  19. chemistry

    calculate the mass of potassium hydrogen phthalate which must be dissolved in water to make 500ml of a 0.2000M solution

    asked by nelia
  20. Math

    There are 28 boys in a class which account to 78 of the whole class. Find the total number of students and girls in the class.

    asked by Siranta
  21. Math

    Thanks Ms. Sue for givig me the anser of 11,211 for my son's math problem(I have 10 thousands, 11 tens, 12 hundreds, and 0 ones. What number am I?) However, I am still confused and need a little more clarification? I understand place value order. If there

    asked by Math Mom
  22. chem

    a volume of 122mL of argon, Ar, is collected at 500 degrees C and 758 torr. what does this sample weigh?

    asked by tracy
  23. Math

    10h+6-5h+3

    asked by Na
  24. psy/201

    I need help finding two website that are credible to answer this question. Locate two resources on the Internet that explain meditation techniques. Copy and paste the web address into the top of the matrix. After reviewing the website, provide a brief

    asked by sade c
  25. physics chemistry

    For a PET diagnostic imaging is used 18F with an activity of 5,2 mCi and a T1/2 of 110 min.. How much fluorine 18 is there at the beginning of the exam? Those are the information that i know, it's a problem that i try to resolve, but i arrived to a very

    asked by Alessandro
  26. Math

    48in=1yd 1 foot or 1.3 9680yd=5mi 880yd or 5.5 15840ft=3mi 6gal=24qt 4pt=8c 32fl oz=4c 9qt=18pt 15qt=3gal 3qt or 3.75 7gal=56pt

    asked by Jerald
  27. algebra

    simplify the expression -6+i/-5+i Could someone explain the steps?

    asked by Lee
  28. algebra

    what is the solution 1/2x^2-x+5=0 could someone please explain

    asked by Lee
  29. algebra

    identify the graph of 4+2i if someone could explain to me how you decide which way to go on the graph as far as imaginary and real axis

    asked by Lee
  30. biology

    A homozygous tall Man got married to a heterozygous tall woman and they produce four offspring. Illustrate with cross - links the phenotype and genotype of their children

    asked by alisa khan
  31. Computer Science

    Question #1. 1. Say that L is regular over 0, 1. Is the set, {x|x = 0y,y ∈L } also regular? 2. For two regular languages (a) Is M*L=L*M for any alphabet? (b) Is it true if the alphabet is only {0,1}? (c) Is it true if the alphabet is only {0}? 3. If L is

    asked by James
  32. Math

    Anthony is building a toolbox with length 2 feet width 1 foot and height 3 feet. What are the dimensions of Anthony's box in inches? 72in? Raquel and her family are moving from Portland Oregon to Seattle Washington. She is comparing annual rainfall to

    asked by Jerald
  33. Math

    Krista lives 1/2 mile from school. Desiree lives 872yards away from school. Who lives closer? Desiree?

    asked by Jerald
  34. calculus

    f''(x) = (3x^3 - 5x^2 + 1) / x^2; and f(1) = 0, f(-1) = 1. So i turn f''(x) into (3x^3 - 5x^2 + 1)(x^-2) and multiply to get f''(x) = 3x - 5 + x^-2 So f'(x) = (3/2)x^2 - 5x - (1/x) + c And f(x) = (1/2)x^3 - (5/2)x^2 - ln(x) + cx + d Not really sure what to

    asked by travis
  35. Physics

    What is the total force on the bottom of a swimming pool 27.5m by 9.0m whose uniform depth is 1.9m? physics What is the absolute pressure on the bottom of a swimming pool? What will be the pressure against the side of the pool near the bottom?

    asked by Sarah
  36. Physics

    A 19cm radius air duct is used to replenish the air of a room 9.2m x 6.0m x 4.0m every 18min . How fast does air flow in the duct?

    asked by Sarah
  37. Physics

    A crane lifts the 22000kg steel hull of a ship out of the water. Determine the tension in the crane's cable when the hull is submerged in the water. Determine the tension when the hull is completely out of the water.

    asked by Sarah
  38. calculus

    Given: y^2+h^2=1 Find h as a function of y. If expression for dy/dx includes h, substitute the expression in terms of y for h. Write dy/dx in terms of y only. Show that x=[(1+sqrt(1-y^2))/y]-sqrt(1-y^2) satisfies the differential equation you found to

    asked by Alex
  39. elementar

    how to prepare research graphic organizer ocean animal.which one is the best like dolhin.please help me i don,t have any idea.how to prepare that one can u please explain me

    asked by Latha
  40. HISTORY

    What has been the effect on American relations with other countries since September 11?

    asked by NICA
  41. Chemistry

    H2P4: PHOTON EMISSION An electron in Li2+ falls from n = 2 to the ground state. Calculate the wavenumber, (νˉ), of the emitted photon.

    asked by Alyssa
  42. chemistry

    calculate the value of the equilibrium constant K for this reaction A+B C from the following information 3C D Kc= 7.1*10^-4 D 3A + 3B Kc= 2.9*10^-2

    asked by Brun
  43. Chemistry

    if an excess of Al and 7.9 mol of Br2 are reacted in equation 2Al + 3Br2= 2AlBr2, how many moles of AlBr2 will be formed assuming a 100% yield

    asked by Tiffany
  44. Capacitance

    A parallel plate capacitor with plates of area 320 cm.^2 is charged to a potential difference V and is then disconnected from the voltage source. When the plates are moved 0.3 cm. farther apart, the voltage between the plates is increased by 152 V. What is

    asked by andrew
  45. Physics

    As seen from above, a playground carousel is rotating counterclockwise about its center on frictionless bearings. A person standing still on the ground grabs onto one of the bars on the carousel very close to its outer edge and climbs aboard. Thus, this

    asked by Sam
  46. college math

    A $8700 personal loan at 5.5% compounded monthly is to be repaid over a 4 year term by equal monthly payments. a) calculate the interest and principle component of the 18th payment b) how much interest will be paid in the third year of the loan?

    asked by sasha
  47. math

    how do subtract mixed numbers

    asked by Anonymous
  48. Physics

    An ant on a picnic table travels 40 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the ant's directional displacement relative to its original position?

    asked by alice
  49. chemistry... HELPP

    What is the cell potential for the reaction Mg(s) + Fe^2+(aq) -----> Mg^2+(aq) + Fe (s) at 63 degrees celsius when [Fe^2+]= 3.30 M and [Mg^2+]= 0.110 M

    asked by Angie
  50. Physics

    A small 0.469-kg object moves on a frictionless horizontal table in a circular path of radius 1.42 m. The angular speed is 6.31 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the

    asked by Sam
  51. Chemistry

    What is the final concentration of Sucrose if 150 ml of a 1.2 M solution of Sucrose is diluted to a total volume of 0.60 L?

    asked by Marilyn
  52. MSD

    Pat and Kris are roommates. They spend most of their time studying (of course), but they leave some time for their favorite activities: making pizza and brewing root beer. Pat takes 4 hours to brew a gallon of root beer and 2 hours to make a pizza. Kris

    asked by Ahmad
  53. english lanuge arts

    what are stem words?

    asked by parth
  54. Physics

    Imagine you are an astronaut who has landed on another planet and wants to determine the free-fall acceleration on that planet. In one of the experiments you decide to conduct, you use a pendulum 0.47 m long and find that the period of oscillation for this

    asked by Ray
  55. AP Statistics

    We guess, based on historical data, that 30% of graduating high-school seniors in a large city will have completed a first-year calculus course. What's the minimum sample size needed to construct a 95% confidence interval for a proportion with a margin of

    asked by Blegh
  56. AP Statistics

    Your mathematics instructor claims that, over the years, 88% of his students have said that math is their favorite subject. In this year's class, however, only 21 out of 32 students named math as their favorite class. The instructor decides to construct a

    asked by Blegh
  57. chemistry

    a volume of 122mL of argon, Ar, is collected at 500 degrees C and 758 torr. what does this sample weigh?

    asked by Tracy
  58. Chemistry

    Nitrogen & hydrogen goes react to form ammonia gas as follows: N2(g)+3H2(g)-->2NH3(g) At a certain temperature & pressure, 1.2L of N2 reacts with 3.6L of H2. If all the N2 and H2 are consumed, what volume of NH3, at the same temperature & pressure will be

    asked by Ezra
  59. Physics

    A stone is thrown at an angle of 30 degrees above the horizontal from the top of a cliff with an initial speed of 12 m/s. If it hits the ground 4.6 seconds later, what is the height of the cliff?

    asked by lily
  60. Social studies

    Brief synopsis on the cause, effect and result Of the attack on Pearl Harbor. Six and one half Pages already typed and on cardboard made A flag, have pictures, just need alittle help In summarizing some facts you may have with The facts I have for the

    asked by Chris
  61. BobPursly& Writeteacher please view

    You wanted me to post my edited introduction and 1st paragraph for my 6 paragraph essay. Please let me know what you think now. Flat Irons vs. Curling Irons Do you have trouble deciding what heated styling utensil will be best for your hair? Both the

    asked by Katelynn
  62. physics

    Your physics teacher drives an ideal frictionless car of mass 1000 kg which coasts along the level road to his home at a constant speed of 48 km/h with the engine turned off. It then coasts 40 m up his sloping driveway and comes to rest at the top without

    asked by Jen
  63. chemistry

    The standard reduction potentials of lithium metal and chlorine gas are as follows: (for Li, reduction potential is -3.04, for Cl it is 1.36) In a galvanic cell, the two half-reactions combine to 2Li{+](s) + Cl{-}2(g) --> 2Li{+}Cl{-}(aq) cell potential=4.4

    asked by Ann
  64. english

    2. The broadest type of search, which looks for your terms anywhere, is a/an _______ search. A. subject B. title C. author D. keyword

    asked by mike
  65. psych

    an IQ test is given on a tuesday, when given the test again on thurs the child scores differently, this is an issue of what? function, reliablity, observation or reflection?

    asked by diana
  66. AED200

    a 700- to 1,050-word paper in which you outline the steps required for a multicultural education to be effective. Describe types of activities you would incorporate into your classroom that would support a multicultural education for all groups in this

    asked by amber
  67. Physics

    Jason takes off across level water on his jet-powered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis

    asked by Michael
  68. Physics

    Jason takes off across level water on his jet-powered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis

    asked by Michael
  69. Physics

    Jason takes off across level water on his jet-powered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis

    asked by Michael
  70. Physics

    A 38 kg child is sitting on a slide at angle 45o from the horizontal. What is the minimum value of static friction between the child and the slide that prevents the child from sliding down?

    asked by Michael
  71. Physics

    A 38 kg child is sitting on a slide at angle 45o from the horizontal. What is the minimum value of static friction between the child and the slide that prevents the child from sliding down?

    asked by Michael
  72. Physics

    A 38 kg child is sitting on a slide at angle 45o from the horizontal. What is the minimum value of static friction between the child and the slide that prevents the child from sliding down?

    asked by Michael
  73. Physics

    You push along a handle down toward a sled to move it across the snow. The handle is at an angle with the horizontal. As you increase the angle the handle makes with the horizontal,(steeper angle), what happens to the normal force the ground exerts on the

    asked by Mike
  74. math

    Find the area and perimeter of an isosceles triangle the base is 16.0 ft and one of the legs is 20.0 ft i don't know the height how would i do this?

    asked by danica
  75. physics

    A car weighing 2000 lbs is parked on a hillside in San Francisco at an angle of 55o (relative to the ground). Approximately what is the minimum coefficient of static friction necessary to keep the car from sliding downhill?

    asked by Mike
  76. math

    whats the angle of one end of a 13 ft.by2 by 4 ,,2ft.high and other end level?

    asked by James
  77. physics

    A 800 kg steel beam is supported by two ropes. Each rope has a maximum sustained tension of 6600 N. One of the ropes is 20 degrees left of the horizontal(normal) while the other rope is 30 right of the horizontal(normal). What is the tension in each rope?

    asked by Yannan Huang
  78. Chemistry

    Consider the gas-phase transfer of an electron from a sodium atom to a chlorine atom: Na(g)+Cl(g)-->Na^(+)(g)+Cl^(-)(g) I was able to write the reaction that relates to an ionization energy and that relates to an electron affinity. I broke it up into:

    asked by Ezra
  79. college physics

    A wet towel of mass 4 kg is hung in the center of a 6 m clothesline, so that the line makes an angle 10o with the horizontal. The tension in the line is closest to... 50N, 40N, 100N, 200N, or 10N

    asked by kevin
  80. chemistry... HELP

    Equilibrium constant question!!!? Standard reduction potentials Reduction half-reaction E(V) Ag+(aq) + e- ---> Ag (s) 0.80 Cu ^2+ (aq) + 2e- ---> Cu (s) 0.34 Sn^4+(aq) + 4e- ---> Sn (s) 0.15 2 H+(aq) + 2e- ---> H2 (g) 0 Ni^2+(aq) + 2e- ---> Ni (s) -0.26

    asked by Ann
  81. physics

    A freight train has a mass of 3.1 × 107 kg. If the locomotive can exert a constant pull of 4.9 × 105 N, how long would it take to increase the speed of the train from rest to 71.9 km/h? Disregard friction.

    asked by scott
  82. math

    Judd paid 182 dollars for a thermos, a blender, and a microwave. The blender cost 35 more dollars than the thermos. the microwave cost 65.50 more than a blender. Find the cost of the blender? please show your work.

    asked by lidia
  83. physics

    A shopper in a supermarket pushes a loaded 32 kg cart with a horizontal force of 10 N. The acceleration of gravity is 9.81 m/s2 . a) Disregarding friction, how far will the cart move in 3.3 s, starting from rest?

    asked by scott
  84. psy/201

    I need help finding two website that are credible to answer this question. Locate two resources on the Internet that explain meditation techniques. Copy and paste the web address into the top of the matrix. After reviewing the website, provide a brief

    asked by sade c
  85. college physics

    A 90 kg rock climber is stationary off the side of an overhanging cliff hanging onto her climbing rope. Another rope is tied to her foot and is attached at the other end to her 30 kg rock-climbing dog, also hanging out 2 m below her. Tied to the dog’s

    asked by kevin
  86. physics

    A 1.6 kg otter starts from rest at the top of a muddy incline 95.9 cm long and slides down to the bottom in 0.50 s. What net external force acts on the otter along the incline? Answer in units of N

    asked by scott
  87. chemistry

    The hybridization of the lead atom in PbCl4 is...?

    asked by Sandy
  88. Physics

    A 300 block on a 56 -long string swings in a circle on a horizontal, frictionless table at 65 .What is the speed of the block? What is the tension in the string?

    asked by Coco- circular motion
  89. History

    What made iroquois headwomen different from regular Iroquois woman

    asked by Daniel
  90. chemistry

    The molar volume of a certain form of solid lead is 18cm3/mol. Assuming cubic closest packed structure, determine the number of Pb atoms per unit cell.

    asked by Sandy
  91. aig

    Allison, Ashley, and Becky weigh 124 kg altogether. Allison and Becky weigh 102 kg altogether. Allison and Ashley weigh 86 kg altogether. How much does each person weigh? please show your work.

    asked by lidia
  92. calculus

    How to sketch the graph of a differntiable function y = f(x) that has the given properties.Local minimum at (1,1) and local maximum at (3,3)

    asked by Anthony
  93. History

    what was the development of the slavery system?

    asked by Merlin
  94. Physics

    A physics student is pulling on a 20 kg box that is sliding on the floor. The student applies a pulling force of 100 N using a rope at angle 30o from the horizontal. The coefficient of kinetic friction between the box and the floor is 0.4. The acceleration

    asked by Michael
  95. physics

    a 60.00-kg athlete leaps straight up into the air from a trampoline with an intial speed of 9.0 m/s. The goal of this problem is to find the maxiumum height she attains and her speed at half maximum height. what are the interacting objects and how do they

    asked by yue xing lu
  96. Chemistry

    How many moles of NaOH are in 125mL of a 4.00M solution of NaOH?

    asked by Anonymous
  97. History

    What was LBJ's War on Poverty About?

    asked by Anonymous
  98. Physics

    The box of a well-known breakfast cereal states that one ounce of the cereal contains 129 Calories (1 food Calorie = 4186 J). If 2.55% of this energy could be converted by a weight lifter's body into work done in lifting a barbell, what is the weight of

    asked by Anonymous
  99. History

    What was Johnson's Great Society all about? and what is three principal pieces of legislation that comprised it

    asked by Anonymous
  100. Maths probability

    An insurance company classifies its customers into three groups,a,b and c. Groups a accounts for 20% of the total custermers, groupe b accounts 40%, and accounts for 40%. For people in groupe a,b and c, the probabilities of having an accident in one year

    asked by Nithiya
  101. algebra 1

    The perimeter of a triange with sides a,b,and c is 24 cm. Side a is 2cm longer than side b. The ration of the lenghts of sides b and c is 3:5. What are the lenghts of the three sides of the triangle?

    asked by Kylie
  102. Physics help

    A beetle whose mass is 2 g sits on a turntable at a distance of 12 cm from the center. The turntable is rotating at 33 rpm. (a) What are its acceleration and the centripetal force on it? a =______ m/s2 Fc=_____ N (b) What is the interaction that provides

    asked by arcos15
  103. College Finance

    Warp Tense Ltd. has the following assets: Current Assets (Temporary): $2,000,000 Current Assets (Permanent): $500,000 Capital Assets: $4,500,000 Total Assets: $7,000,000 Its operating profit (EBIT) is expected to be $0.45 million. Its tax rate is 30

    asked by Bradley
  104. logic

    conjecture 17 if A, B, and C are sets, then (A\B)U C = A\(BUC)

    asked by luckybee
  105. math

    Whats the lcm of 32 40 and 49

    asked by tt
  106. SAT Essay

    Assignment: Can knowledge be a burden rather than a benefit? Plan and write an essay in which you develop your point of view on this issue. Support your position with reasoning and examples taken from your reading, studies, experiences, or observations

    asked by Sanya
  107. Organizational com

    How does emotional intelligence and Gibbs confirming climates contribute to organizational functioning?

    asked by Anonymous
  108. Science

    Which one of the following is incorrect at room temperature? a.Water is liquid at 1 atmosphere b.ozone is gas at 1 Atmosphere c.O4 EXISTS AT VERY HIGH PRESSURE d.CH4 IS LIQUID AT LOW PRESSURE

    asked by Ajai
  109. Physics

    A stone is thrown at an angle of 30 degrees above the horizontal from the top of a cliff with an initial speed of 12 m/s. If it hits the ground 4.6 seconds later, what is the height of the cliff?

    asked by lily
  110. Native place

    Please share your native countries with me! I am from India.

    asked by Ajai
  111. physics

    A wet towel of mass 4 kg is hung in the center of a 6 m clothesline, so that the line makes an angle 10o with the horizontal. The tension in the line is closest to... 50N, 40N, 100N, 200N, or 10N

    asked by kevin
  112. math

    Mary has 6 more pennies than Andy has. Together they have 28 pennies. How many pennies does each person have?

    asked by Jackson
  113. Chemistry

    A 500 mL bottle at room temperature (25˚C) of water is poured over 120 g of ice that is (-8˚C). What will be the final temperature of the water be when all the ice has melted? You can ignore loss of heat to the room.

    asked by Paige
  114. Calculus

    Determine the point on the curve 2y=2x^2 which is nearest to the point (2,0) Please include step by step calculations if possible... as that will help mem understand the problem better.

    asked by Daniella
  115. Algebra

    A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.5 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)

    asked by Renee Tyler
  116. To Ms.sue

    What is your opinion about india?have you ever been in india

    asked by Ajai
  117. Calculus 2

    n=1 series to infinity (-5^n)/n^3 does it absolutely converge, diverge or conditionally converge. Would I be applying the ratio test?

    asked by James
  118. algebra

    Example 2: The difference of two numbers is 16. The first number is 4 less than twice the second number. Set up this system that describes the situation.

    asked by Tina
  119. math

    my ten digit is 3 more then 5. My ten digit is double the number of my ones digit what number am i?

    asked by Anonymous
  120. Astronomy

    Purpose the run somehow becomes a black hole without change in its mass , it will pull into itself a.all the planets b.only mercury c.all the planets from mercury to mars d.none of the planets

    asked by Ajai
  121. Science

    Full form of MRI

    asked by Ajai
  122. To Ms.sue

    Where are you staying in america?what is your profession there ?

    asked by Ajai
  123. math

    An artifact was found and tested for its carbon-14 content. If 83% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.

    asked by Anonymous
  124. Chemistry(Please check)

    For an experiment on specific heat capacities my data for measured specifi heats was consistently higher than the accepted values. I am not sure why this is. Would it be because my initial temperature that I started the experiment with was higher than it

    asked by Hannah
  125. To Ms.sue

    I am a boy of 14 .i am a student of 9 standard

    asked by Ajai
  126. calculus

    Given: y^2+h^2=1 Find h as a function of y. If expression for dy/dx includes h, substitute the expression in terms of y for h. Write dy/dx in terms of y only. Show that x=[(1+sqrt(1-y^2))/y]-sqrt(1-y^2) satisfies the differential equation you found to

    asked by Alex
  127. To bobpursely

    It is a T.V quiz program. Please answer

    asked by Ajai
  128. math

    Tickets to the Senior Class Play cost $3.00 for students, $8.00 for adults, and $5.00 for senior citizens. At Friday night's performance, there were 121 students, 174 adults, and 32 senior citizens. At Saturday night's performance, there were 183 students,

    asked by Sam
  129. Chemistry

    What is pH of pure water at 70o C

    asked by Ajai
  130. Physical Science

    When you do 100 J of work on the handle of a bicycle pump, the pump does 40 J of work pushing the air into the tire. What is the efficiency of the pump?

    asked by Leah
  131. Math

    A river does 6,500 J of work on a water wheel every second. The wheel's efficiency is 12%. a. How much work in joules can the axle of the wheel do? b. What is the power output of the wheel in 1 s?

    asked by Leah
  132. history

    whats the difference between the new left and counter culture.

    asked by Anonymous
  133. Calc 2

    How would I do this one? n=1 to infinity n^n/4^1+3*n Does it absolutely converge, conditionally converge, or diverge? What would I do here?

    asked by James
  134. math

    An artifact was found and tested for its carbon-14 content. If 83% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years.

    asked by Anonymous
  135. Math

    John is using a pulley to lift the sail on his sailboat. The sail weighs 150 N, and he must lift it 4.0 m. a. How much work must be done on the sail? b. If the pulley is 50% efficient, how much work must John do on the rope to lift the sail?

    asked by Leah
  136. Physics

    weightlessness experienced while orbiting the earth is due to ?

    asked by Ajai
  137. chemistry 11

    if a solution is contanimated with a chemical that causes a larger amount of solid, opaque particles floating in the solution, would the absorbance read too high or too low, and why?

    asked by Anna
  138. math

    According to a national study, 45% of american adults have hypertension, 20% have hypotension, and 35% have normal blood pressure. A sample of 150 adults was taken and the following data were collected. Hypertensive: 54, Normal: 69, Hypotensive: 27. Test

    asked by Joe
  139. algebra

    1/3log(x)-log(10000)=4

    asked by CLara
  140. math

    the minimum wages increased from $5.25-$5.75 per hour,what is the percent of increase of the minimum wage?

    asked by wan
  141. math

    a seismoraph 300km from the epicenter of an earthquake recorded a maximum amplitude of 5.4 x 10^2um. Find this earthquakes magnitude on the Richter Scale. (Round your answer to the nearest tenth). M=

    asked by CLara
  142. History

    Could someone please explain to me in their own words the difference between New Left and Counter Culture without sending me to a website that I don't fully understand. Thanks

    asked by Anonymous
  143. Algebra

    Find the number of decibels for the power of the sound. Round to nearest decibels. A rock concert, 5.21 x 10^-6watts/cm^2 D= dB

    asked by CLara
  144. Physics

    A baby turtle swings on a playground swing. If his turtle mom comes and sits with him, the period of the swing's oscillation will: a.Increase b.Decrease c.Stay the same

    asked by StressedStudent
  145. Math

    Find the smallest positive integer that leaves a remainder of 5 when divided by 7, a remainder of 6 when divided by 11, and a remainder of 4 when divided by 13.

    asked by Jimmy-Please HELP
  146. statistics

    The average age for licensed drivers in the county is μ  40.3 years with a standard deviation of   13.2 years. a. A researcher obtained a random sample of n  16 parking tickets and computed an average age of M  38.9 years for the drivers. Compute the

    asked by Anonymous
  147. Physics

    A solid circular disk has a mass of 1.67 kg and a radius of 0.144 m. Each of three identical thin rods has a mass of 0.351 kg. The rods are attached perpendicularly to the plane of the disk at its outer edge to form a three-legged stool (see the figure).

    asked by StressedStudent
  148. algebra

    s(t) = 68 − 20 log (t + 14), t ¡Ý 0. a) what was the average score when they initially took the test, t = 14?

    asked by Doris
  149. algebra

    ln(e) = ln(√(2)/x) -ln(e)

    asked by Aonymous
  150. business

    what is Australia's fiscal policy?

    asked by allee
  151. Physics

    An ant on a picnic table travels 40 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the ant's directional displacement relative to its original position?

    asked by alice
  152. Physics Help Please!

    A microwave oven operates at 2.80GHz . What is the wavelength of the radiation produced by this appliance?

    asked by Amy
  153. Physics

    A long, thin rod is cut into two pieces, one being twice as long as the other. To the midpoint of piece A (the longer piece), piece B is attached perpendicularly, in order to form the inverted “T” shown in the drawing. The application of a net external

    asked by StressedStudent
  154. foreign languages

    How does someone differentiate between french's direct pronouns and indirect pronouns?

    asked by allee
  155. Physics

    Imagine you are an astronaut who has landed on another planet and wants to determine the free-fall acceleration on that planet. In one of the experiments you decide to conduct, you use a pendulum 0.47 m long and find that the period of oscillation for this

    asked by Ray
  156. Conservation Biology

    What is the population total at one hundred years if you begin with two animals and they reproduce at 25% annually?

    asked by Isla
  157. math

    1.A red die and a blue die are tossed. What is the probability that the red die shows a 5 and the blue die shows an even number?

    asked by jay
  158. Math

    There are 40 questions on a class test. Six points are given for each correct answer and three points are deducted for each wrong answer. Find the number of correct answers for a test score of 105.

    asked by Mary
  159. Math

    Jane is x years old today. Her brother Kenny is 4 years older. After seven years their total combined age will be 24 years. Write a linear equation for their total combined age after seven years. Fine James age today.

    asked by Mary
  160. mAth word problems

    Farmer Pete expects to sell 5000 pumpkins this season he charges $7.00 per pumpkin. HOw can he figure out the total revenue from the sale if his farming expenses cost him $16,700.00 this season? would the answer be: 18,300.00 total revenue Betty WItch

    asked by marko
  161. Math word problem

    Tremor Troll was very upset. He believed Trogmire Troll's claim that there were 500 humans living under Tremors bed. Tremor was relieved when he found that there were really only 150 humans under his bed. Trogmire had said that there were ______?____ more

    asked by marko
  162. Physics

    A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center. Rotating flywheels provide a means for storing energy in the form of rotational kinetic energy and are being considered as a possible alternative to

    asked by StressedStudent
  163. Math,Statistics

    Johnny suffers from Flu an average of 5 times per week. However, Tony claims that Johnny rarely suffers from fewer than 15 bouts flu per week. If Johnny has been suffering from flu for 180 weeks, at a minimum, how many of those weeks has he suffered from

    asked by Tony
  164. Statistics

    In recording the self-reported lengths of a particular body part in a sample of male undergraduates, the largest was claimed to be 20 cm—a full 3 standard deviations from the mean length for the sample. The shortest alleged length was only 10 cm, which

    asked by susan
  165. calculus

    A Construction Company uses the function below to determine the cost “C” in dollars for risk management. C(x)={(35 if 0

    asked by Daniella
  166. Calculus

    Water flowing into a hemispherical tank of 5m radius at a rate of ((3m^3)/(hr)) Determine the rate at which the depth of water increases.

    asked by Daniella
  167. geography

    john who lives at 35 degrees north and 120 degrees west regularly calls Geroge his business partnet at 2pm (John's local time) every day during July last year. George regularly recevied the calls at 10 pm ( his local time). throughout the month, George

    asked by karen
  168. calulus

    A plane flying at a constant rate of 200km/hr. What is the distance travelled by the plane 3mintues after it passes the observation point.

    asked by Daniella
  169. Calculus

    Find the Optimum value of the function f(x)=2x^2=6x-10 and also state if the function attains a maximum or minimum.

    asked by Daniella
  170. Calculus

    Find the area between the following functions 2y=2x^2; y=1-x^2 & x=1

    asked by Daniella
  171. Calculus

    Verify the hypothesis of the mean value theorem for each function below defined on the indicated interval. Then find the value “C” referred to by the theorem. Q1a) h(x)=√(x+1 ) [3,8] Q1b) K(x)=(x-1)/(x=1) [0,4] Q1c) Explain the difference between the

    asked by Daniella