Questions Asked on
November 18, 2013

  1. Math

    1) The hypotenuse of an isosceles right triangle is 8 cm longer than either of its legs. Note that an isosceles right triangle is a right triangle whose legs are the same length. Find the exact length of its legs and its hypotenuse. 2) The length of a

    asked by Aaron
  2. science

    suppose that a population of skunks lives on an isolated island is 500 skunks are present today and the birth rate is 65 per week and the death is 47 per week how many skunks to you predict will be on the island 105 days from now and what would a graph

    asked by Anonymous
  3. 4th grade math

    an artist is arranging tiles in rows to decorate a wall each new row has 2 fewer tiles than the row below it.if the first row has 23 tiles,how many tiles will be in the seventh row

    asked by kineda
  4. Algebra

    A candy store keeps track of its sales during the month of October. Below is the number of sales for the first, second, third, and fourth weeks of the month. Which graph could represent the data shown below? Week- 1,2,3,4 Candy Sales- 97,168,259,375

    asked by Anonymous
  5. statistics

    Ina study designed to test the effectiveness magnets for treating back pain, 35 patients were given a treatment with magnets and also a sham treatment without magnets. Pain was measured using a scale from 0(no pain) to 100(extreme pain) after the given

    asked by anonymous
  6. Calculus

    The top and bottom margins of a poster are 2 cm and the side margins are each 4 cm. If the area of printed material on the poster is fixed at 386 square centimeters, find the dimensions of the poster with the smallest area.

    asked by Nathan
  7. Algebra

    A school is keeping track of the number of tickets remaining for its end-of-year festival. Below is the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data below?

    asked by Anonymous
  8. Science

    Which pair below has the most shared derived characteristics? a. horse, dolphin b. dolphin, spider c. cow, horse d. spider, cow C

    asked by Anonymous
  9. science

    suppose a species of beetles feed on grass on a grassland ecosystem toads prey on the beetle in which of the following scenarios would a predator become a limiting factor for the beetle population

    asked by Anonymous
  10. math help please

    the amount of revenue brought in by states from motor vehicle licenses increased at a relatively constant rate of 499.79 million dollars per year from 1990 to 2000. In 2000, the states brought in 15,099 million dollars in revenue from motor vehicle

    asked by Taylor
  11. Science

    Study the image below. Which pair of organisms is most closely related according to this diagram? connexus dot com/content/media/917517-4162013-72230-PM-1259428156.jpg a. ferns and grasses b. crocodiles and birds c. fish and lizards d. horn worts and

    asked by Anonymous
  12. Science

    Which of the following is not used as evidence when constructing cladograms? a. ecological roles of present-day organisms. b. DNA sequences of present-day organisms. c. fossils of extinct organisms. d. body characteristics of extinct and present-day

    asked by Anonymous
  13. Physics

    A hockey puck of mass 0.16 kg, sliding on a nearly frictionless surface of ice with a velocity of 2.0 m/s (E), strikes a second puck at rest with a mass of 0.17 kg. the first puck has a velocity of 1.5 (N 31 E) after the collision. Determine the velocity

    asked by Priyank
  14. Check my answers please- Physics

    What is an equilibrant? (Points : 1) an object that has zero net force acting on it two chemical reactions proceeding at the same rate in opposite directions a force that makes the net force on an object zero a force in the same direction as the net force

    asked by Gynelli
  15. physics

    a 1.2 kg cart slides eastward down a frictionless ramp from a height of 1.8 m and then onto a horizontal surface where it has a head-on elastic collision with a stationary 2.0 kg cart cushioned by an ideal Hooke's law spring. the maximum compression of the

    asked by LENA
  16. Grade 12 Physics

    Two hockey pucks of equal mass approach each other. puck 1 has an initial velocity of 20.0 m/s (S 45 E), and puck 2 has an initial velocity of 15 m/s (S 45 W). after the collision, the first puck is moving with a velocity of 10.0 (S 45 W). Determine the

    asked by Priyank
  17. Physics- torque

    A man ties one end of a strong rope 8.35 m long to the bumper of his truck, 0.506 m from the ground, and the other end to a vertical tree trunk at a height of 3.92 m. He uses the truck to create a tension of 8.32x10^2 N in the rope. Compute the magnitude

    asked by Mike
  18. Physics

    An electromagnetic wave in a vacuum traveling in the +x direction generated by a variable source initially has a wavelength of 2.65 x 10^-4 m and a maximum electric field Emax in the +y direction of 8.20×10^−3 V/m. What are the coefficients in the

    asked by Faith
  19. Chemistry

    The dipole moment (μ) of HBr (a polar covalent molecule) is 0.851D (debye), and its percent ionic character is 12.6% . Estimate the bond length of the H−Br bond in picometers.

    asked by Summer
  20. physics

    A father racing his son has 1/3 the kinetic energy of the son, who has 1/4 the mass of the father. The father speeds up by 1.8 m/s and then has the same kinetic energy as the son. What are the original speeds of (a) the father and (b) the son?

    asked by wee
  21. Calculus

    A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus, the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 25 ft, find the dimensions of the window so that the greatest possible

    asked by Nate
  22. chemistry

    A mixture of NaCN and NaHSO4 consists of a total of 0.60 mol. when the mixture is dissolved in 1.0 L of water and comes to equilibrium the pH is found to be 9.9. Find the amount of NaCN in the mixture.

    asked by John
  23. English

    When the servers arrived, Jack gave them the information on today's specials. He talked enthusiastically about the fresh berries: "They look fantastic! I want to serve them with shortcake." 1. In the above passage, "talked" is an example of a(n):

    asked by Tim
  24. Chemistry

    The dipole moment (μ) of HBr (a polar covalent molecule) is 0.851D (debye), and its percent ionic character is 12.6% . Estimate the bond length of the H−Br bond in picometers.

    asked by Summer
  25. Physical Science

    1. Which equation correctly shows beta decay? (A) 210/82 Pb -> 209/81 Tl + 0/-1 e + y (B) 210/82 Pb -> 209/83 Bi + 0/-1 e + y (C) 210/82 Pb -> 210/83 Tl + 0/-1 e + y (D) 210/82 Pb -> 210/83 Bi + y (E) 210/82 Pb -> 210/83 Bi + 0/-1 e + y 2. The half-life if

    asked by CJ
  26. Health (Ms. Sue)

    Describe an effective refusal method you could use if someone were to tell you, "Here, try these new cigarettes, almost everyone in our school smokes these." A: I would use refusal skills and simply respond by saying, "No, thank you. I would rather be

    asked by Anonymous
  27. 5th grade math

    At a supermarket, pineapple juice sells at $1 per pint (16 ounces). Greg wants to buy eighteen 40-ounce cans of pineapple juice from the supermarket. How much dose he have to pay altogether?

    asked by Marsha
  28. Health (Ms. Sue)

    List five benefits both smokers and smokeless tobacco users can expect after quitting. A: Whether a person had used tobacco or not, choosing to live without tobacco dramatically improves a person’s quality of life. Therefore, five benefits of both

    asked by Anonymous
  29. Physics

    In a demonstration in physics class, a 1.2 kg dynamics cart starts from rest at the top of a ramp. the ramp is 2.4 m above the ground. the cart then rolls down to the bottom of the ramp, where it collides with a stationary 1.4 kg dynamics cart. Assume that

    asked by LENA
  30. science

    what are 2 major differences in the composition of the inner and outer planets ?

    asked by victoria
  31. Physics

    Please help quickly his handbag exerts a force of 10 N on the hook. Which of the following values is a possible tension for each side of the cloth loop on the handbag? Each side of the loop exerts a vertical force only, not a horizontal force, on the rest

    asked by Gianna
  32. science

    explain what science is give an example of a type scientist and what they study

    asked by Anonymous
  33. chemistry

    which of the following alkane names is correct? a)2-methyl-3-propylhexane b)1-methylnonane c)1,2-dimethylhexane d)4,5-dimethylpentane e)all of the above names are correct

    asked by lima
  34. Science

    A woman with a genetic disease marries a man who does not carry the disease. It is not possible for their children to carry the disease. The disease must be a) sex - linked b) recessive c) dominant d) cause by an extra chromosome my answer is recessive

    asked by Steve
  35. office managment

    a problem solving team is often referred to as a a.manager assistant team c.quality control group my answer is c

    asked by susue
  36. math

    a student measures a rectangular room to be 20.00 m x 17.16 m which of the following the numbers below represents the rooms area with the correct number of significant figures

    asked by Anonymous
  37. physics

    Expensive amplifier A is rated at 210W , while the more modest amplifier B is rated at 45W . Estimate the sound level in decibels you would expect at a point 9.0m from a loudspeaker connected in turn to each amp.

    asked by waves
  38. Half-life

    After two hours, 1/16 of the initial amount of a radioactive isotope remains undecayed. What is the half-life of the isotope?

    asked by Andrea
  39. English

    Zach used to work at an independent record label. Negotiating could be exciting, but he was supposed to slant everything in the label’s favor. Some reps used questionable tactics. He couldn’t look at himself in the mirror if he treated people like

    asked by Tim
  40. math

    the annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to 2001. in 2001 the annual household cost of telephone service was $914. a: what was the annual household cost of telephone

    asked by Taylor
  41. Chemistry

    How many milliliters of 0.200M HCl can react with 3.25g CaCO3?

    asked by MaLea
  42. chem

    The experiment described in the procedure was performed using a sample of Calcium with HCl(aq). The lab conditions were 25.00°C, and 747.0 torr barometric pressure. 112.7 mg of Calcium (MM: 40.08 g/mol) was reacted with 25.00 mL of 1.25M HCl(aq). 71.560g

    asked by Anonymous
  43. physics

    Two stones, A and B, are thrown horizontally from the top of a cliff. Stone A has an initial speed of 15 meters per second and stone B has an initial speed of 30 meters per second. Compared to the time it takes stone A to reach the ground, the time it

    asked by Anonymous
  44. college algebra

    A partial solution set is given for the polynomial equation. Find the complete solution set. (Enter your answers as a comma-separated list.) x^3 + 3x^2 − 14x − 20 = 0; {−5}

    asked by Dee
  45. Health (Ms. Sue)

    Explain the relationship between the key terms in each of the following pairs. a. nicotine and carbon monoxide b. tar and emphysema c. environmental tobacco smoke and carcinogen d. mainstream smoke and sidestream smoke e. drug abuse and overdose f.

    asked by Anonymous
  46. physics

    A person who weighs 691 N is riding a 89-N mountain bike. Suppose the entire weight of the rider plus bike is supported equally by the two tires. If the gauge pressure in each tire is 8.40 x 105 Pa, what is the area of contact between each tire and the

    asked by Anonymous
  47. Decision Sciences

    Use graphical sensitivity analysis to determine the range of demand probabilities for which each of the decision alternatives has the largest expected value. I have two possible decisions, each with a favorable and unfavorable outcome. How do I do this?

    asked by Katie
  48. Chemistry

    seriously, any help would be much appreciated. You conduct another experiment on silver condensation. You add 8.0 g of silver nitrate to 200 mL of pure water. You attach a single 850 mAh AAA battery (at 1.3 V) to the electrochemical cell. You can assume

    asked by kyle
  49. Phyics

    Sitting besides a friend on a park bench, you grab her hat and start running in a straight line away from her. Over the first 15.0, you accelerate at 1 m/s^2 up to your maximum running speed. You then continue at your maximum running speed for 15 s more

    asked by Brandon
  50. office management

    concerning management styles ,another term that means the same thing as delegative is a.autocratic b.participative c.democratic my answer is b

    asked by susue
  51. Language Arts help last questions please

    Identify the italicized word(s) in each sentence. 17. Going outside during a thunderstorm is not the wisest thing to do in the summer. (*Going outside during a thunderstorm* is italicized) gerund phrase participal phrase infinitive phrase prepositional

    asked by Charlotte
  52. office management

    which of the following types of motivation is apt to work best with an employee who appreciates financial incentives a.inscribed wall plaque b.merit based raises c.longer vacation time]d.equipment upgrade my answer is b

    asked by susue
  53. chem

    What volume of benzene (C6H6,d=0.88g/ml,molar mass=78.11g/mol) is required to produce 1.5 x 10^3 kJ of heat according to the following reaction?

    asked by Melissa
  54. chemistry

    How many grams of I2 are present in a solution if 33.75mL of 0.140M Na2S2O3 solution is needed to titrate the I2solution?

    asked by Ellen
  55. Physics

    What is an equilibrant? (Points : 1) an object that has zero net force acting on it two chemical reactions proceeding at the same rate in opposite directions a force that makes the net force on an object zero a force in the same direction as the net force

    asked by Gianna
  56. algebra

    There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? A. 3% B. 15% C. 20% D. 40%

    asked by hannah
  57. Calculus

    Solve the separable differential equation 10x−6ysqrt(x^2+1)dy/dx=0. with the initial condition y(0)=4.

    asked by Robin
  58. english

    People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear evidence of his most recent meal. And his most frequently uttered expression, “Waaaal, I just don’t know,” can

    asked by Anonymous
  59. physics

    .10 kilogram rocket designed to deliver an impulse of 6 newtons seconds. If the rocket engine burns .75 seconds, what average force does it produce.

    asked by trent
  60. college algebra

    Use a calculator to help solve the problem. An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of the substance? (Round your answer to one decimal place.) ____hr

    asked by Dee
  61. biology

    Which of the following is not produced in the light-dependent reactions of photosynthesis? A. NADPH B. sugars C. ATP D. oxygen

    asked by orpheus
  62. Gen Chem II

    You conduct another experiment on silver condensation. You add 8.0 g of silver nitrate to 200 mL of pure water. You attach a single 850 mAh AAA battery (at 1.3 V) to the electrochemical cell. You can assume that the entire battery charge is useable for

    asked by kyle
  63. English

    1. He was excited to watch the game. 2. He was excited watching the game. (Which one is grammatical? Are both OK? What is the difference between them?) English - Writeacher, Wednesday, November 13, 2013 at 8:07am Both are OK, but they have slightly

    asked by rfvv
  64. office management

    on a job description ,what is the difference between necessary skills and desirable skills a.necessary skills are those a person needs to work at a job,and desirable skills are those that a company hopes a candidate has b.necessary skills are those a

    asked by susue
  65. physics

    Consider two solid uniform cylinders that have the same mass and length, but different radii: the radius of cylinder A is much smaller than the radius of cylinder B. Rolling down the same incline, which one of the two cylinders will reach the bottom first?

    asked by rosa
  66. science

    explain the difference between a scientific theory and a scientific law

    asked by Anonymous
  67. PHYSICS

    A wheel in the shape of a uniform disk of radius R and mass mp is mounted on a frictionless horizontal axis. The wheel has moment of inertia about the center of mass Icm=(1/2)mpR2 . A massless cord is wrapped around the wheel and one end of the cord is

    asked by Anonymous
  68. Physics

    Problem 3- Blocks A, B, and C are connected by ropes and placed as in the figure. Both A and B weigh 22.6 N each, and the coefficient of kinetic friction between each block and the surface is 0.40. Block C descends with constant velocity. a) Draw free-body

    asked by Maryam
  69. Physics, Chemistry, Science

    I have an assignment about deep sea diving and of course it involves some gas mixtures to be used. I just don't know what suitable gas mixtures do I have to use in order for this diving to be safe and successful. The scenario is this: 1. A shipwreck is

    asked by Haru Nanase
  70. math

    the amount of revenue brought in by states from motor vehicle licenses increased at a relatively constant rate of 499.79 million dollars per year from 1990 to 2000. In 2000, the states brought in 15,099 million dollars in revenue from motor vehicle

    asked by Taylor
  71. Calculus

    Find the number b such that the line y = b divides the region bounded by the curves y = 4x2 and y = 1 into two regions with equal area. (Round your answer to two decimal places.)

    asked by Graham
  72. physics

    two point charges +q and -q are separated by a distance d. aside from infinity, where else is the potential due to these two charges?

    asked by Anonymous
  73. physics

    The maximum gauge pressure in a hydraulic lift is 18 atm. What is the largest size vehicle (kg) it can lift if the diameter of the output line is 22 cm?

    asked by ed
  74. science

    explain why the outer planets did not lost the light gases in their atmospheres.

    asked by victoria
  75. physics

    A cylindrical storage tank has a radius of 1.36 m. When filled to a height of 3.94 m, it holds 15700 kg of a liquid industrial solvent. What is the density of the solvent?

    asked by Anonymous
  76. Calculus

    A piece of wire 40 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. How much of the wire should go to the square to minimize the total area enclosed by both figures?

    asked by Sckricks
  77. math

    the amount of revenue brought in by states from motor vehicle licenses increased at a relatively constant rate of 499.79 million dollars per year from 1990 to 2000. In 2000, the states brought in 15,099 million dollars in revenue from motor vehicle

    asked by Taylor
  78. chem

    which of the following alkane names is correct? a)2-methyl-3-propylhexane b)1-methylnonane c)1,2-dimethylhexane d)4,5-dimethylpentane e)all of the above names are correct PLEASE HELP!!!!GOT STUCK ON IT

    asked by lima
  79. physical science

    A ramp is 2.8m long and 1.2m high. How much power is needed to push a box up the ramp in 4.6s with a force of 96N

    asked by Anonymous
  80. office management

    delegating a job to another emplouee indicates that you a.will evaluate the person based on performance b.want to test a new worker under stress c.trust the person to do the job well d.want more free time in your day my answer is c

    asked by susue
  81. Marketing

    Are investment spending market tests a good strategy or a waste of time and overly cautious? I'm working on a case study and I'm having trouble picking a side to argue. The instructor wants us to decide how promotion money should be allocated in the case.

    asked by Lou
  82. Finance

    If the bank holds $65 million in deposits and currently holds bank reserves such that excess reserves are zero, what required reserves ratio is implied?

    asked by David
  83. introduction to health care

    which of the following is not an example of non-traditional health information technology setting a.clinic b.insurance company c.research institute my answer is b

    asked by susue
  84. Health (Ms. Sue)

    State the reason it is difficult for people to quit using tobacco products. A: It is difficult for people to stop using tobacco products because these products contain nicotine, which is highly addictive?

    asked by Anonymous
  85. Physics

    I'm not sure if I am right on these questions please help When should you express a vector along the x-axis as a negative vector? (Points : 1) when its magnitude is less than 1 when the arrow representing the vector would point toward negative x

    asked by Gianna
  86. physics

    A 12 000-kg airplane launched by a catapult from an aircraft carrier is accelerated from 0 to 200 km/h in 3 s. (a) How many times the acceleration of gravity is the airplane’s acceleration? (b) What is the average force that the catapult exerts on the

    asked by josna
  87. Biochemistry

    BSA stock solution A has a concentration of 3.50 mg/mL. 1.00mL of stock solution A is diluted to a final volume of 5.00mL to prepare solution B. 1.00mL of stock solution B is diluted to a final volume of 5.00mL to prepare solution C. 1.00mL of stock

    asked by S
  88. Advanced Chem- Intermolecular Forces of Attraction

    Answer/ explain the following in terms of intermolecular forces and properties of the substances referred to in each situation. 1. Why is it that if a glass is slightly filled above the brim with water, the liquid does not overflow? 2.Induced dipole forces

    asked by Joana
  89. scuence

    if known h2 + br2 produce delta h 2hbr totaled 11.2 -72 then to decipher hbr gas into H2 and br2 as much heat is required?

    asked by febhie
  90. socialstudies(check answers please)

    what was the purpose of the gettysburg address? A.to end the revolutionary war and gain independence.(I PICKED THIS) B.to launch the war for independence and american democracy. C.to honor fallin soldiers in the civil war and cement notion of equailty for

    asked by minate
  91. algebra2

    Bill invested $15,000 in three accounts. The savings account paid 1% interest, the Mutual fund paid 10% interest, and the CD paid 2% interest. In one year, Bill earned $210 in interest. If Bill put four times as much in savings as he put in the CD, how

    asked by McKInsey
  92. math

    Can you add 2 hours and 45 minutes to 3 hours and 57 minutes by using decimal numbers (2.45 + 3.57)? Explain. Also, suppose you want to add 3 feet and 7 inches to 5 feet 6 inches. Can you use decimal numbers so that you can add 3.7 to 5.6 to get the total

    asked by anonymous
  93. accounting

    Harry and Sally were divorced three years ago. In July of the current year, their son, Joe, broke his arm falling out of a tree. Joe lives with Sally and Sally claims him as a dependent on her tax return. Harry paid for the medical expenses related to

    asked by Ryan
  94. Science

    3b. The time between the Triassic and Jurassic periods is similar to the time between the Permian and Triassic periods because global climate was __________________. (2 points) I think it is biota indigenous

    asked by Nicole Masucci
  95. Health (Ms. Sue)

    "Cameron and Tony walked up to the counter at the convenient store. "What are you getting?" asked tony. "Nothing I'm out of cash," replied Cameron. "Didn't you have a bunch of money last week?" asked Tony. "Yeah, but I spent it on cigarettes." "Man, that

    asked by Anonymous
  96. physics

    What is the angular separation between the first-order images on either side of the central maximum? Answer in units of degrees.

    asked by Anonymous
  97. Physics, Elena Please Help If u can.

    A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both

    asked by Michael
  98. math

    sally and marta had the same number of postards. after sally sold 18 postards, marta had 4 times as many as sally. how many ostcards did eeach girl have to begin with

    asked by tom
  99. office management

    telecommuters must be able to a.buy the most modern computer systems b.drive into work at least four days a week]c.work around family demands d.enjoy the presences of coworkers my answer is c

    asked by susue
  100. Physics

    A 2.2 kg otter starts from rest at the top of a muddy incline 93.9 cm long and slides down to the bottom in 0.60 s. What net external force acts on the otter along the incline? Does anyone know how to do this?

    asked by Lyra
  101. Science

    Scientists think that millions of species have not been classified yet .Why do you think this is true ?

    asked by Anabelle
  102. physics

    A large fake cookie sliding on a horizontal surface is attached to one end of a horizontal spring with spring constant k = 430 N/m; the other end of the spring is fixed in place. The cookie has a kinetic energy of 21.0 J as it passes through the spring's

    asked by wee
  103. Geometry (math)

    Identify 2 planes in a triangular prism that intersect.Name their intersection

    asked by Naila dar
  104. English

    The weather is the condition of the atmosphere in one area at a particular time, for example if it is raining, hot of windy. (In this sentence can we use ' whether' instead of 'if' after 'for example' to have the same meaning?)

    asked by rfvv
  105. English

    1. Tom is the youngest of his brothers. 2. Tom is youngest of his brothers. (Are both OK? Which one is grammatical?) 3. This book was most helpful for my homework. 4.This book was the most helpful for my homework. (Which one is grammatical? Do we have to

    asked by rfvv
  106. Math

    Write an algebraic expression for each word phrase on the board. Evaluate each expression for x=2 3 times x=6 Expression: 3x

    asked by Jerald
  107. Health (Ms. Sue)

    Why is smoking dangerous to nonsmokers? A: Smoking is dangerous to nonsmoker because people who breathe environmental tobacco smoke are exposed to the same dangerous chemicals as smokers?

    asked by Anonymous
  108. Science

    Citric acid has the formula C3H3OH(COOH)3. How many atoms of carbon,hydrogen and oxygen are in each molecule? Please help I don't understand this!! Thank you

    asked by Cherie
  109. Physics - Oscillations

    An astronaut measures her mass by means of a device consisting of a chair attached to a large spring. The period of oscillation she undergoes when set into motion is used to determine her mass. If her mass, together with the chair, is 172kg, and the time

    asked by Mikhail
  110. physics

    A man ties one end of a strong rope 8.35 m long to the bumper of his truck, 0.506 m from the ground, and the other end to a vertical tree trunk at a height of 3.92 m. He uses the truck to create a tension of 8.32 102 N in the rope. Compute the magnitude of

    asked by Mike
  111. waist water treatment

    1/Why do the following components need to be removed from sewage under current law before it can be discharged on the surface water? Nitrogen Algea growth in receiving water Growth of waterborne diseases Turbidity increase of receiving water Oxygen

    asked by duke
  112. Statistics

    A VP of manufacturing claims that more than 3% of items produced using a certain assembly line are is defective. A random sample of 100 items from the assembly line had 4 defectives. At the 5% level of significance, which of the following would be part of

    asked by mike
  113. Statistics

    A recent Gallup Poll dealt with the proportion of Canadians who favoured the various Prime Ministers. It found that only Pierre Trudeau did quite well, of all Prime Ministers in recent memory, and that the proportion favouring Brian Mulroney is quite low.

    asked by mike
  114. operation precedence

    Hunter gave his sister $3. He earned $12. Then he paid $6 for lunch. Now Hunter has $18. How much money did hunter have to start with? Mark downloaded 8 new songs on Tuesday. On Thursday he downloaded 4 times as many. He now has 45 songs. How many songs

    asked by Jed
  115. statistics

    The eruption height and the time interval after eruption of a geyser were measured and shown below. Height(x) 115 120 120 130 140 110 140 100 Interval after(y) 59 64 68 71 75 56 73 54

    asked by anonymous
  116. English

    1. The ice must be 15 centimeters thick at least. 2. The ice must be at least 15 centimeters tall. (What is is the proper position of 'at least'? Are both OK? Do both sentences have the same meaning?)

    asked by rfvv
  117. English

    1. I can't wait to go to the USA. 2. I look forward to going to the USA. 3. I anticipate going to the USA. 4. I long to go to the USA. 5. I desire to go to the USA. 6. I expect to go to the USA. (Are they all the same in meaning? Which ones are similar to

    asked by rfvv
  118. biology

    Make a single base pair substitution mutation in the gene below that results in a protein that is shorter than the protein produce by the original gene. When you are satisfied with your change and its effect, click the "Final Check" button. Note that a

    asked by juanpro
  119. history

    at the constitutional convention in pj hiladelphia, madison drafted the plan presented by virginia govenor randolph, and william patterson of ____ presented a plan that was similiar to the articles of confederation. Thank you in adavance, I was stuck on 3

    asked by kimberly
  120. Math

    1. Jill has a bond with a face value of $1,000. The bond has a coupon rate of 6%. Find her current yield if the market price of the bond is $1,027. 2. Calculate the annual interest you receive on a $1000 Treasury bond with a current yield of 1.5% that is

    asked by Kim
  121. math

    A group has 36 guards. When they march, they form rows of equal numbers of guards. What numbers of rows can they make? How many guards will be in each row?

    asked by Zoelle
  122. 3rd grade math

    write EACH division statement 3 different ways twelve divided by 3

    asked by anonymous
  123. office management

    an office management committee is focused on a.instructing employees on proper ergonomics b.preparing for disaster or emergency situations my answer is b

    asked by susue
  124. Health (Ms. Sue)

    What factors do you think contribute to people using tobacco in your school? A: I believe people use tobacco in my school for many reasons. Some want to fit in with friends who smoke, and others want to appear "cool."

    asked by Anonymous
  125. office management

    a meeting agenda is a tool that a.tells employees about discipline issues b.lists minutes from the previous meetings c.helps attendees stay on topic during the meeting d.guarantees the meeting will begin on time my answer is c

    asked by susue
  126. Physics

    Sitting besides a friend on a park bench, you grab her hat and start running in a straight line away from her. Over the first 15.0, you accelerate at 1 m/s^2 up to your maximum running speed. You then continue at your maximum running speed for 15 s more

    asked by Brandon
  127. Socials

    For socials, we have to do a project on an invention during the industrial revolution time period. I chose the Airplane and I know that it was invented by the Wright brothers etc. But what I don't know what to write a paragraph on is "Describe the social

    asked by Katy
  128. Physics

    A 2.2 kg otter starts from rest at the top of a muddy incline 93.9 cm long and slides down to the bottom in 0.60 s. What net external force acts on the otter along the incline? Answer in units of N It requires a number answer but it makes no sense to me.

    asked by Azriel
  129. introduction to health care

    which of the following statements are true a.when a patient dies in surgery the doctor is automatically guilty of negligence b.doctors are held to the same reasonable person standard as the general public c.professional standards can determine if

    asked by susue
  130. statistics

    2. Betty, an employee of Shining Sun Daycare Center, read an article in Healthy Child Magazine saying that the average 3-year-old child is 37 in. tall. Betty works with 3-year-olds at Shining Sun, so later that week, she measured the height of each child

    asked by Mikos
  131. Math

    School is planning to purchase a new copy machine. The principal has narrowed the choice to two models. Superfast Deluxe and Quick Copies. He plans to purchase the machine that copies the quickest rate. Use this info to determine which one is faster. Quick

    asked by Tom
  132. algebra

    How do I find the perimeter of a square with one side listed as 4x + 3 and one more side listed as 3(2x - 5)? Thank you

    asked by Seth
  133. Art History

    Hello, I'm looking for any articles that relate to Michelangelo's Pieta in St. Peter's Rome. I would prefer .edu or .gov websites. I need to write a paper on the history and the meaning. Thanks so much!

    asked by Laurel
  134. math

    Nick has a revolving department store credit card account with an annual percentage rate of 15%. Last month’s balance on the account was $423.78. During the current month, he made pur- chases totaling $123.42 and made a payment of $100. The store uses

    asked by lauren
  135. science

    What is F1= 125N North

    asked by nike jeric ocampo
  136. algebra2

    Bill invested $15,000 in three accounts. The savings account paid 1% interest, the Mutual fund paid 10% interest, and the CD paid 2% interest. In one year, Bill earned $210 in interest. If Bill put four times as much in savings as he put in the CD, how

    asked by McKInsey
  137. college algebra

    Solve the exponential equation using logarithms. Give the answer in decimal form, rounding to four decimal places. (Enter your answers as a comma-separated list.) 4^(x − 3) = 3^(2x) x = _____

    asked by Dee
  138. math

    One pump can empty a pool in 5 days, whereas a second pump can empty the pool in 7 days. How long will it take two pumps, working together, to empty the pool?

    asked by Shane
  139. Health (Ms. Sue)

    List four reasons not to smoke that you could give to friend. A: There are many reasons that I could give a friend to not smoke, including protecting their family, friends, and loved ones from the harmful effects of environmental tobacco smoke?

    asked by Anonymous
  140. math

    the annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to 2001. in 2001 the annual household cost of telephone service was $914. a: what was the annual household cost of telephone

    asked by Taylor
  141. office management

    a problem solving team is often refered to as a a.manager-assisted team c.quality control group d.cross functional team my answer is c

    asked by susue
  142. Physics - pendulum

    A pendulum that on Earth has period 0.52 s is taken to the surface of a large asteroid, where it is measured to have period 1.7 s. What is the value of the gravitational acceleration on the surface of that asteroid?

    asked by Mikhail
  143. Physics-dynamics

    A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both

    asked by Michael
  144. Statistics

    Assume that a test is given to a large number of people but we do not yet know their scores or the shape of the score distribution. Can we be sure that the sampling distribution of the mean for this test will be normally distributed? Why or why not?

    asked by Mikos
  145. Math

    Together, tom and max have 72 football cards. Tom has 2 more then 4 times as many cards as max has. How many football cards does tom have?

    asked by Mark Davis
  146. marketing

    I'm working on a case study and I'm having trouble picking a side to argue. The question is, Is the investment spending market test a good strategy or a waste of time and overly cautious? The instructor wants us to decide how promotion money should be

    asked by Lou
  147. math

    What is the net price factor discount of 25/15/10?

    asked by Dawn
  148. English

    1. My grandfather was in hospital. 2. My grandfather was in the hospital. 3. My grandfather was hospitalized. (What does #1 and #2 mean? Are both #1 and #2 the same? Does #1 or #2 mean #3? He may have visited a patient. Don't you think so?)

    asked by rfvv
  149. Statistics

    A VP of manufacturing claims that more than 3% of items produced using a certain assembly line are is defective. A random sample of 100 items from the assembly line had 4 defectives. At the 5% level of significance, which of the following would be part of

    asked by mike
  150. math

    Find recursive and explicit formula for -40 -36 -32 -28

    asked by John
  151. Maths

    Factorise into quadratics X^2-4x-21 X^2-4x+3 X^2+9x-36

    asked by Matt
  152. Physics

    Problem 1- A 4 kg puck can slide with negligible friction over a horizontal surface, taken as the xy plane. ˆ The puck has a velocity of 3i m / s at one instant ti = 0 . Eight seconds later, its velocity is to be ˆˆ 8i + 10 j m / s . Find the magnitude

    asked by Maryam
  153. Maths

    Factorise these quadratics X^2-36 X^2-121 X^2-169

    asked by Jack
  154. biology - cells

    Which scientist proposed that cells come from other cells? A. Hooke B. van Leeuwenhoek C. Schwann D. Virchow

    asked by orpheus
  155. World History

    In chronological order, list the territories and countries Japan took control of in its program of expansion. Please and thank you on any help!

    asked by Alex
  156. Physics please help!!!!!

    A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both

    asked by Michael
  157. statistics

    Assume that a test is given to a large number of people but we do not yet know their scores or the shape of the score distribution. Can we be sure that the sampling distribution of the mean for this test will be normally distributed? Why or why not?

    asked by Mikos
  158. Math

    Hands on:multiply with 0 and 1 1/ Jon has 4 fishbowls. there are 5fish in each bowl . How many fish does Jon have in all? Answer,, 4x5=20 2/peter threw a basketball 12 times. It missed the basket every time. Write a muitiplication sentence to show peter's

    asked by Nawaf
  159. Math

    Find the x-intercept and the y-intercept of the linear equation 3x + 4y = 12. Write each intercept as an ordered pair.

    asked by Alan
  160. math

    The Robinson come from three states of the country. 6 of them come from Minnesota. The rest come from Texas and Florida. There are 5 more family members from Texas than from Florida .how many Robinson comes from each state?

    asked by help
  161. Math

    Cashews ,Brazil nuts, and peanuts originally grew in rain forests . Anne made a trail mix with 9 cups of each . How many cups of Cashews ,Brazil nuts , and peanuts did she use in all? Answer: 9x0=0 0x9=0 Yams also grow in rain forests . Connie cooked 9

    asked by Joji
  162. introduction to health care

    when did physicians became responsible for medical records a.curing the eighteenth and nineteenth century b.dun=ring the renaissance period c.during the greek and roman periods d.during the twentieth century my answer is a

    asked by susue
  163. introduction to health care

    the overall responsibility of health information management professionals is a.accurately coding hospital records for reimbursement purposes b.ensuring the quality and accuracy of health information c.overseeing the medical transcription process

    asked by susue
  164. Geometry (math)

    Identify 2 planes in a triangular prism that intersect.Name their intersection

    asked by Naila dar
  165. math

    Brenda Luai earns $14,260 per year. She is paid 24 times per year and claims 1 exemption. If $19.63 in taxes is withheld from each paycheck, at what rate is she taxed?

    asked by Anonymous
  166. Physical science

    The number of molecules in 30g of water?

    asked by Mpho
  167. socialstudies

    why did thomas jefferson write the declaration of independence? A.to end revolutionary war and emphasize quailty. B.to re-unite the country after the civil war and emphaize democracy for all. c.to guarantee the rights and freedom of U.S. citizens. D.to

    asked by minate
  168. disease

    can somebody describe coronary heart disease?

    asked by cody
  169. US History

    State farms in communist Europe were run by who?

    asked by Walker
  170. algebra

    I need help solving 8 = 3x + 6y for y. Thank you!

    asked by Seth
  171. Physics

    A 153 g bullet is fired from a rifle having a barrel 0.794 m long. Assuming the origin is placed where the bullet begins to move, the force exerted on the bullet by the expanding gas is F = a + bx − cx^2 , where a = 12600 N, b = 8420 N/m, c = 10100

    asked by Justin
  172. math

    Can you add 2 hours and 45 minutes to 3 hours and 57 minutes by using decimal numbers (2.45 + 3.57)? Explain.

    asked by anonymous
  173. business

    Which of the following is the common balance sheet layout? A. assets = liability + owner’s equity B. profit = revenue – total expenses C. return on investment = net income 􏰁 owner’s equity D. gross profit margin = gross profit 􏰁 net sales

    asked by lauren
  174. math

    Carlos was 5feet,8inches tall at the beginning of ninth grade. he grew 4 3/4inches during that school year and 2 1/4inches during follow the summer. how tall was Carlos at the beginning of tenth grade? Express his height in feet and inches.

    asked by miina
  175. history

    sir george grenville, king georges chancellor of the exchequer, enacted the revenue act of 1764 to raise rebenue for maintenance for the british army in america. In the colonies it was commonly known as the ___ act? Thank you in advance.. I have a few I am

    asked by kimberly
  176. science

    What is F3=210N 30°S of W

    asked by nike jeric ocampo
  177. social studies

    upon what did the success of southeast Asian empires frequently depend ?

    asked by megan
  178. Stats

    Which of the following statement is true? In testing the hypothesis for the equality of two population proportions, the acceptance region for the null hypothesis will be wider than the confidence interval for two population proportions, assuming the same

    asked by Jenn
  179. math and physics

    keepandshare[dot]com/doc16/727/math-pdf-99k?da=y *replace all [dot] with a period --> .

    asked by Richard Miguel
  180. fiances

    Calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded, and that the month is 30 days long. $500 balance, 17%, $50 payment previous balance method, adjusted balance

    asked by Anonymous
  181. Reading

    How do you write an essay

    asked by Carol
  182. Math 2 questions

    Use the substitution method to solve each linear system: -x+3y+1=0 3x-y+1=0 4x-3y=-13 -2x+y=4 Please help, thanks:):)!!!!

    asked by Miley
  183. Math

    Expand and simplify For + 5(a+8)= And for - 7(3d-6)

    asked by Sally
  184. Math

    2 expression for the perimeter of a square 1 with brackets and 1 without The shape is a square and t+3 is 1 side of the square P(with brackets) P(without brackets)

    asked by Aisha
  185. English

    Using the words biometer chronometer hydrometer micrometer perimeter phonometer thermometer put them in the correct order in sentences below. PLEASE CORRECT ME IF I'M WRONG!! 1.The THERMOMETER registered an increase in temperature. 2.He used a BIOMETER to

    asked by Trey
  186. TO ANY MATH HELPERS

    Pleeeese help! Use the substitution method to solve each linear system: -x+3y+1=0 3x-y+1=0 4x-3y=-13 -2x+y=4 Please help, thanks:):)!!!!

    asked by Miley
  187. Maths

    Expand and simplify expression for the area of an rectangle Shorter side = x+3 Longer side = 5x-4

    asked by Susanna
  188. Health (Ms. Sue)

    Describe the financial and health costs of smoking on both the family and the community. A: Using tobacco is expensive. It costs families and society billions of dollars each year in health care and lost productivity?

    asked by Anonymous
  189. college algebra

    Use long division to perform the division. (Express your answer as quotient + remainder/divisor.) (x^4 + 7x^3 − 2x^2 + x − 1) / (x − 1)

    asked by Dee
  190. 4th Grade Math: Help Is Needed ASAP

    My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems. 1. 2/3+2/9= 2. 3/5+3/10= 3. 5/12+1/3= 4. Find the sum of 1/6 and 1/12 5. Add 1/4 to the answer in Exercise 4. 6. What is the sum of

    asked by Tim
  191. Algebra

    t^9 x t^-8 I don't really understand how to do the whole negative exponent thing...

    asked by Emily
  192. math

    x^-1y^0 do you do 1/x*1=1/x and how do you do x^-2y^1\ x^1y^2 ?

    asked by alex
  193. algebra

    how do you find the x & y intercept of the equations y=-3 x=4 without graphing them?

    asked by jess
  194. Maths

    (5x+4)(5x-4)=

    asked by Dan
  195. Calculus

    1) The period of a trig. function y=sin kx is 2pi/k. Then period of y=sin^2(pi.x/a) should be 2pi/(pi/a)=2a, but somewhere it is given as a. Which is correct? 2) The period of r=sin^3(theta/3) is given as 3pi. How is it worked out? Is it because after

    asked by Anonymous
  196. pe

    Describe how balance and/or coordination is needed for at least three things that you do every day.

    asked by Anonymous
  197. English

    1. He was excited watching the game. 2. He was excited to watch the game. (Which one is correct? Are both grammatical? What is the difference between them?)

    asked by rfvv
  198. Physics

    A 2 kg object is moving 6 m/s. It compresses a spring 1 meter that has a spring constant of 8 N/m

    asked by Courtney
  199. Maths

    (4x-5)^2

    asked by Dan
  200. computer science

    Best practices for securing local networks?

    asked by Monique
  201. math

    prove cot x -tan x = 2 cot 2x

    asked by sree
  202. Algebra 2

    Solve the system by elimination: -2x + 2y + 3z = 0 -2x - y + z =-3 2x + 3y + 3z = 5 How do I do this? I need steps to understand please....

    asked by Samantha Taylor Greefield
  203. Maths

    Factorise to quadratics X^2+5x-14 X^2-x-90 X^2-13x+40

    asked by Suzy
  204. math

    [(-15)(-7)divided by (2-17)=

    asked by Lori
  205. chemistry

    suppose that 100g h20 is added to calorimeter intially at 20C containing 100g of h20 at 20C. If calorimeter perfectly insulates, what would be the final temperature of the water?

    asked by lola
  206. Math

    Suki worked on math problems for 2hours on Monday , 2 hours on Tuesday, 2 hours on wednesday , 2 hours on Thursday , and 2 hours on Friday. How many hours did she study math in all? Answer : 5x2=10 Cashshews, brazil nuts, and peanuts originally grew in

    asked by Joji
  207. math

    The Robinson come from three states of the country. 6 of them come from Minnesota. The rest come from Texas and Florida. There are 5 more family members from Texas than from Florida .how many Robinson comes from each state?

    asked by help
  208. civil engineering

    For a soil with significant secondary compression, if the duration of each loading increments is lengthened to a few days, what would be the effects on the void ratio vs. Log p curve and the preconsolidation pressure?

    asked by lam
  209. math

    The Robinson come from three states of the country. 6 of them come from Minnesota. The rest come from Texas and Florida. There are 5 more family members from Texas than from Florida .how many Robinson comes from each state?

    asked by help
  210. math

    Kristy read 40 pages of a book on Saturday. She read Test Image as many pages on Sunday. Which numerical expression could be used to calculate the number of pages Kristy read on Sunday?

    asked by ed
  211. math

    The Robinson come from three states of the country. 6 of them come from Minnesota. The rest come from Texas and Florida. There are 5 more family members from Texas than from Florida .how many Robinson comes from each state?

    asked by help
  212. English

    Which words go in the following sentences. Young Charles was born in 1902 and was growing/grew up on a farm. Later, although he has studied/had studied engineering in college, he was more interested in flying planes.

    asked by Kelly
  213. brief calculus

    x/(x − 6)^2 I get ln(x-6)- 6/(x-6)+ C but it isn't correct, what should the answer be?

    asked by kyle
  214. introduction to health care

    correspondence manager generally works with b.administrators d.govement agencies my answer is b

    asked by susue
  215. Math

    Using the linear equation y = 5, answer each of the following. Choose all points that would be on this line. (0,5), (5,5), (2,5), (5,2), (-3,5), or (5,-3)

    asked by Alan
  216. introduction to health care

    as a transcripionist whatis your most important skill a.the ability to understand and analyze the dictation b.the ability to type quickly c.the ability to accurately use reference materials d.proficiency my answer is a

    asked by susue
  217. math

    harry drove for 4 hours on the freeway , he decreased his speed by 20 mph than drove for 5 hours on the country road. If his total trip was 449 miles, than what was his speed on the freeway

    asked by tiger
  218. English

    1. Make sure you send the letter. 2. Make sure to send the letter. (Are both the same?) 3. Be sure to drink lots of water. 4. Be sure that you drink a lot of water. 5. Be sure that you should drink a lot of water. (Are the three sentences the same?0

    asked by rfvv
  219. biology

    Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters above and below the strands. What would the amino acid sequence of the resulting protein be? Be sure to enter the sequence N- to

    asked by juanpro
  220. biology

    Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters above and below the strands. What would the amino acid sequence of the resulting protein be? Be sure to enter the sequence N- to

    asked by juanpro
  221. math

    1.483 56 how many significant figures it contain ?

    asked by rahima
  222. Language arts

    What is the author's perspective of The Three Little Pigs?

    asked by Anonymous
  223. math

    1.483 56 how many significant figures it contain ???

    asked by rahima
  224. using expressions to describe patterns

    If jake buys 12 toys what is the cost

    asked by emily
  225. math

    how can you use the product of 12 x 6 to find the product of 12 x 12 ?

    asked by john
  226. math

    The amount of pollution, A (in part per million), present in the air outside a factory on a recent weekday is represented by the equation A= -t^2+16t+6, where t is the number of hours after 7 AM. (a) find the Times (in radical form) when there were 42

    asked by Evy
  227. math

    Input/output 6 18 7 21 8 24 9 27 question... if jack buys 12 toys, what is the cost?

    asked by emily
  228. biology

    What segregations comprise the cloaca, and what are their functions? How does this cloacal region differ from that of most mammals?

    asked by amy
  229. american history

    which utopian community was founded and established in new york state

    asked by kimberly
  230. science

    What is F2= 200N 60°N of E

    asked by nike jeric ocampo
  231. Math

    Please ,where is the answers

    asked by Nawaf
  232. Math

    Please ,where is the answers

    asked by Nawaf
  233. Math

    x=2 half of x x/2 twice x 2x the difference between x and 1 x-1 the sum of x and 5 5+x 1 more than half of x 2/x+1

    asked by Jerald
  234. world history

    who made Gao a leading center of learning?

    asked by toni
  235. Science (Physics)

    Gravity on the surface of the moon is only 1 6 as strong as gravity on the Earth. What is the weight of a 30 kg object on the Earth? The acceleration of gravity is 10 m/s 2 . Answer in units of N What is the weight on the moon? Answer in units of N What is

    asked by Ahmad
  236. algebra

    Which is the equation of the line that contains the points (0,3) and (-2,4)? A. x+2y=6 B. 2x+y=3 C. 2x+y=0 D. x-2y=

    asked by hannah
  237. algebra

    y-6 = -3(x + 1) A. The slope is 3, and the y-intercept is -6. B. The slope is 3, and the y-intercept is 1. C. The slope is -3, and the y-intercept is 3. D. The slope is -3, and the y-intercept is 1.

    asked by hannah
  238. Chem

    I have a question on a post lab that asks what would happen if you mix potassium bromide and Br2 (aq)? Wouldn't the answer be nothing, since yiu are just adding more of one of the elements to the conpound?

    asked by Stacy
  239. math

    Suppose you want to add 3 feet and 7 inches to 5 feet 6 inches. Can you use decimal numbers so that you can add 3.7 to 5.6 to get the total length? Explain.

    asked by anonymous
  240. Math

    x=2 the product of 4 and 3 times x 12x x increased by 2 x+2 the quotient of x and 2 x/2 7 increased by x x+7 the quotient of 6 and x x/6 5 times x divided by 2 5x/2

    asked by Jerald
  241. office management

    effective supervisors learn how to a.criticize without worrying about employees feelings b.focus on production rather than on people c.set standards that are generally unattainable d.watch for patterns of successful employee motivators my answer is a

    asked by susue
  242. Statistics

    SAT scores are normally distributed with a mean of 500 and a standard deviation of 100. Using the formula for σM, what will σM be when a. the sample size is 25 b. the sample size is 121, and c. the sample size is 400?

    asked by Mikos
  243. Calculus

    Consider the function f(x)=(7/x^2)-(6/x^6). Let F(x) be the antiderivative of f(x) with F(1)=0. Then F(2) equals _____.

    asked by Skirby
  244. physics

    because of deformation, what can kinetic energy be converted into?

    asked by megan
  245. Language Arts help please

    Choose the word(s) that the italicized phrase modifies or describes. 1. According to this map, the smallest region in the United States is New England. (*is New England* is italicized) map smallest region Unted States 2. DynaTAC800X, the nation's first

    asked by Charlotte
  246. Pre-Cal

    If I have -30degrees in the 4th quarter of a graph, how do i figure out the positive equivalent of that angle?

    asked by Lilly
  247. Pre Algebra

    m -7

    asked by Steve
  248. algebra

    Help me factor x^2 -2x - 4 = 0 and 3x^2 + x + 3 = 0.

    asked by Dee
  249. Pre-Cal

    How do you find the number of solutions(not all the answers) for each of the following equations 1) 2sec^2 4x - 3sec4x =5 2) 2tan^2 12x +3tan12x -7 =0 3) 2sin^2 5x + 3sin5x +1 =0

    asked by Lilly
  250. statistics

    Age at onset of dementia was determined for a sample of adults between the ages of 60 and 75. For 15 subjects, the results were ÓX = 1008, and Ó(X-M)2 = 140.4. Use this information to answer the following:

    asked by joyce