Questions Asked on
November 27, 2015

  1. math

    A computer monitor is 20 inches wide. The aspect ratio, which is the ratio of the width of the screen to the height of the screen, is 16:9. What is the length diagonal of the screen, to the nearest whole inch.

    asked by kudu
  2. math

    The given cylindrical container r =3 inches and height= 8in is used to fill the rectangular prism fish tank 24 , 24 and 12 inches with water. What is the least number of full cylindrical needed to completely fill the fish tank?

    asked by kudu
  3. Math

    Ava pours 3 gallons of paint equally into 5 cans. How many gallons of paint will there be in each can?

    asked by Austin
  4. Math

    Landscape is designing a display of flowers for an area in a public park. The flower seeds will be planted at points lie on a circle that has a diameter of 8 feet. The point where seed is planted must be at least 2 feet away from seeds on the either side

    asked by Kudu
  5. math

    A carpenter is constructing a triangular roof for a storage shed as shown in the figure. Part A isosceles triangle = 15 degrees and 15 degrees length of bas is 45 How high will the peaks of the rise above in the top of the shed? b/2 = 22.5 tan(15) = h/22.5

    asked by kudu
  6. math

    Octagon PQRSTVWZ is a regular octagon with the center at point C. Which transformation will map octagon PQRSTVWZ onto itself?

    asked by kudu
  7. Spanish lll

    Use the imperfect tense Voy a describir la noche mas memorable de mi vida, de un Dia de las Brujas. Yo (estar/tener) nueve anos y me vesti de pirata. (Estar/Haber) muy orgullosa de mi disfraz. (Haber/HAcer) seis ninos en nuestro grupo. Queriamos salir

    asked by Anonymous
  8. literature

    You can often use literature in math, science and social studies to: A. entertain kids who finish their work. B. keep students quiet after a test. C. broaden the study of a topic. D. encourage kids to read nonfiction C ?

    asked by bev
  9. science (I NEED BACKUP!!!)

    1. Which is the most complete model of feeding relationships? a.) food web b.) food chain c.) food pyramid d.) all of the above 2. _____ eat consumers only, while _____ eat both consumers and producers. a.) Producers; carnivores b.) Carnivores; omnivores

    asked by Emilia
  10. microeconomics

    A beekeeper and a farmer with an apple orchard are neighbors. This is convenient for the orchard owner since the bees pollinate the apple trees: one beehive pollinates one acre of orchard. Unfortunately, there are not enough bees next door to pollinate the

    asked by Alex
  11. Precalculus ????

    The temperature in your house is controlled by a thermostat. The temperatures will vary according to the sinusoidal function: f(x)=5sin(pi/12)*(x-11)+19 where f(x) represents the temperature in degrees Celsius (°C) and x is hours since midnight. What is

    asked by Ella
  12. math

    Triangle APQ is the image of ABC under a dilation centered at vertex A with scale factor ½. Triangle RBT is the image of ABC under a dilation centered at vertex B with scale factor ¾ . Which statement about ABC , APQ , and RBT is correct? none of the

    asked by kudu
  13. Chemistry

    calculate the molar solubility of BaCO3 in a 0.10M solution of NaCo3 (aq). (ksp(BaCO3)=8.1x10^-9)

    asked by Kia
  14. blue eagle high

    maths lit,english.Lo,life science,geography,business studies I don't know what careers I should follow when doing these subjects...please help

    asked by Lettie
  15. MATH

    a washing line is attached at points A and B on two vertical posts standing horizontal ground. Point A is 2.1 meters above the ground on one post. Point Bis 7.1 meters above the ground on the other post. The horizontal distance between the two posts is 6

    asked by DURAID
  16. Chemistry

    what volume of oxygen at 423.0K and a pressure of 127.4kPa will be produced by the decomposition of 129.7g barium peroxide to form barium oxide and oxygen gas? Thank you

    asked by Adam
  17. math

    landscape is designing a display of flowers for an area in a public park. The flower seeds will be planted at points lie on a circle that has a diameter of 8 feet. The point where seed is planted must be at least 2 feet away from seeds on the either side

    asked by jah
  18. Math

    A cubical container measures 5 inches. On each edge. What does it cost to fill the container at $2.88 per cubin in.? formula for this help?

    asked by kristine
  19. physics

    a body of mass 5kg falls from a height of 10m above the ground. what is the kinetic energy of the body just before it strikes the ground answers K.E =1/2mg'2

    asked by richie
  20. Trigonometry URGENT!

    A group of scientists found a new species of spider in the desert. The body temperature of the spider appears to vary sinusoidal over time. A maximum body temperature of the spider reaches 125° after 15 minutes from the start of the examination. Then, 28

    asked by Rachel F.
  21. Math calculus

    The top and bottom margins of a poster are 8 cm and the side margins are each 8 cm. If the area of printed material on the poster is fixed at 382 square centimeters, find the dimensions of the poster with the smallest area?

    asked by MArıam
  22. math

    how to do this? In an island, a number of survivors have enough food to last for 5 days. After 2 days, 4 of the survivors died and the remaining food lasted for 5 more days. Find the original number of survivors...

    asked by lin
  23. physics

    a beam of electron 13.0 ev is used to bombard gaseous hydrogen. what series of wavelengths will be emitted?

    asked by ameer mukhtar
  24. Organic Chemistry

    What is the optical purity of a partially racemized product is the calculated specific rotation is -8◦ and the pure enantiomer has a specific rotation of -10◦? Calculate the percentage of each of the enantiomers in the partially racemized product. I'm

    asked by nicole
  25. Kuwait university

    What must be the pressure difference between the two ends of a 2.3 km section of pipe, 29 cm in diameter, if it is to transport oil (ρ=950kg/m3,η=0.20Pa⋅s) at a rate of 660 cm3/s ?

    asked by wafaa
  26. Chemistry

    A toothpaste contains 0.220 % by mass sodium fluoride used to prevent dental caries and 0.32 % by mass triclosan C12H7Cl3O2, an antigingivitis agent. One tube contains 119 g of toothpaste. How many fluoride ions, F−, are in the tube of toothpaste? How

    asked by xyz
  27. Chemistry

    In photosynthesis, glucose, C6H12O6, and O2 are produced from CO2 and H2O. Glucose from starches is the major fuel for the body. 6CO2(g)+6H2O(l)+680kcal⟶ C6H12O6(aq)+6O2(g) How much heat, in kilojoules, is needed to produce 22.5 g of C6H12O6?

    asked by veen
  28. physics

    A severely myopic patient has a far point of 5.00 cm. By how many diopters should the power of his eye be reduced in laser vision correction to obtain normal distant vision for him? Assume the image at the back of the eye is formed 0.2 m from the eye's

    asked by carolyn
  29. Math

    The air temperature decreases by about 1 degree Fahrenheit for each 300 feet of altitude. a) Find a function T(x) for the temperature at an altitude of x feet if the sea-level temperature is 45∘F. (b) Find T(1000). [Round to two decimals] I considered

    asked by Rosie
  30. literature for kids

    Picture books are usually written on a __________ reading level. A. kindergarten B. first-grade C. third-grade D. fifth-grade A?

    asked by bev
  31. math

    The sum of all five terms of an arithmetic sequence is 55. Find the sum of the first three terms of the sequence if the sum of the last three is 48.

    asked by asd
  32. Algebra 2

    Simplify the number using the imaginary unit i. (sqrt)of -28 •2(sqrt)-7 •-2 (sqrt)-7 •i (sqrt)28 •2i (sqrt)7

    asked by Sandra
  33. think tac toe 2 adding and subracting decimals 2.

    Tim tracked the change in outside temperature one afternoon. He record a temperature of 98.3 degrees at noon. Bathe temperature then rose 5.32 degrees f over the next four hours at 5:00 pm. Tim recorded a temperature change of 108.57 degrees F, How did the

    asked by Cynthia
  34. Physics

    Water enters a pipe with a cross sectional area of 3.0 cm^2 with a velocity of 3.0 m/s. The water encounters a constriction where its velocity is 15 m/s. What is the cross sectional area of the constricted portion of the pipe?

    asked by Jose Luis
  35. math

    A landscape is designing a display of flowers for an area in a public park. The flower seeds will be planted at points lie on a circle that has a diameter of 8 feet. The point where seed is planted must be at least 2 feet away from seeds on the either side

    asked by jah
  36. Math

    john who is 42 years old has a nephew age 9. In how many years will the age of his nephew be one-fourth age?

    asked by Evie
  37. literature for kids

    Which is NOT a strategy aides or volunteers should use for shared reading? A. Read with expression. B. Read the story in its entirety without answering student questions. C. Read with fluency. D. Read with the appropriate volume. I think its B

    asked by bev
  38. chemistry

    500 calories are added to 100 gram copper at 25 degree celsius a.what will be the final temperature? b.if the same amount of heat was added to an equal amount of water,what would be the final temperature?

    asked by jhanz
  39. Chemistry

    how you would prepare 250 mL of 0.25 M NaOH from solid NaOH and water?

    asked by Neishia
  40. Math

    The table below represents the velocity of a car as a function of time: Time (hour) x Velocity (miles/hours) y 0 50 1 52 2 54 3 56 Part A: What is the y-intercept of the function, and what does this tell you about the car? Part B: Calculate the average

    asked by Adam
  41. Physics

    A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is

    asked by Jose Luis
  42. English

    1. He broke his legs, and he's in the hospital now. 2. He broke his legs, and he's in hospital now. 3. The boys are playing in the hospital. 4. The boys are playing in hospital. ======================== Which ones are correct? What is the difference

    asked by rfvv
  43. Art history

    presence suggested by the light in Leonardo da Vinci's paintings

    asked by Anonymous
  44. Geography

    Give a push and pull factor for each type of Migration Chain Migration Push factor? Pull Factor?

    asked by Anonymous
  45. Math

    What price should asha mark on a pair of shoes which cost him 1200 so as to gain 12%after allowing a discount of 16%

    asked by Ashy
  46. Chemistry

    Benadryl is an over-the-counter drug used to treat allergy symptoms. The formula of benadryl is C17H21NO. How many moles of C are present in 0.759 mole of benadryl?

    asked by tom
  47. literature

    Sharing the names of the authors and illustrators allows children to see: A. that books are created by people. B. that books are real. C. that writing books can be a profession. D. that illustrating books can be a profession. I would think its A Having

    asked by bev
  48. physics

    On its highest power setting, a microwave oven increases the temperature of 0.400 kg of spaghetti by 45.0 °C in 120 s. The specific heat of spaghetti is 3760 J/kg °C and the microwaves are absorbed over a circular area 20.0 cm in diameter. What is the

    asked by carolyn
  49. physics

    If 0.055 kg of ice at 0 ∘C is added to 0.330 kg of water at 32 ∘C in a 0.100-kg aluminum calorimeter cup, what is the final temperature of the water?

    asked by noel
  50. math

    a(n) ____ occurs during the design process when one benefit is given is given up in order to obtain another thanks

    asked by please help me!
  51. literature

    Literature supports the building of a readers’s imagination because: A. readers are placing themselves into a story. B. readers relate only to what they know. C. readers are presented with an unstructured picture of life. D. readers are seeing worlds

    asked by bev
  52. Science

    How much graphite carbon must be burned in oxygen gas to produce 2.2 grams of carbon dioxide gas

    asked by Isaac
  53. Physics

    A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is

    asked by Jose Luis
  54. Chemistry

    A 0.200 g sample of carbon dioxide, CO2, has a volume of 525 mL and a pressure of 473 mmHg . What is the temperature of the gas in kelvins?

    asked by joey
  55. College Physics

    A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is

    asked by Jose Luis
  56. College Physics

    A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is

    asked by Jose Luis
  57. Chemistry

    For a Sc atom in ground electronic state: 1. how many electrons are there in 4s orbitals? 2. how many electrons are there in 3d orbitals? 3. how many electrons are there in 4p orbitals? 4. how many unpaired electrons are there? 5. to what block does Sc

    asked by S
  58. Chemistry

    Consider the 5p orbital of a hydrogen atom. 1. how many different 5p orbitals are there? 2. how many radial nodes are there? 3. how many angular nodes are there? (i.e. how many nodal planes or surfaces, not including radial nodes)

    asked by S
  59. math

    ART An artist is going to sell two sizes of prints at an art fair. The artist will change $20 for a small print and $45 for a large print. The artist would like to sell twice ad many small prints as large prints. The booth the artist is renting for the day

    asked by yoselyn
  60. physics

    A laser with a power output of 2 mW at a wavelength of 400 nm is projected onto a calcium metal surface. What power is carried away by the electrons? The binding energy of the metal is 2.31 eV.

    asked by carolyn
  61. Geometry

    Write a two-column proof. If point g is the centriod of triangle ABC and BG = 18. Find GE and BE. My work: ge is half so its 9. be equals 18 + 9 = 27 i need help on two column proof part

    asked by Anthony
  62. Chemistry

    What would the volume be of 0.955g of propane at 735 torr and 35.00C? And How many mols of xenon would be required to create a mixture with a mole fraction of xenon of 0.0190 if the mixture were also to contain 2.16mol argon and 3.612g neon? Thanks in

    asked by Adam
  63. science

    a body having a mass of 10kg is moving with velocity of 15m/s.calculate its momentum

    asked by raph
  64. Math

    A certain marine engine has cylinders that are 3.55 inches in diameter and 3.74 inches deep. Find the total volume of 4 cylinders? hard question is there formula

    asked by kristine
  65. literature for kids

    Which is NOT a benefit of sharing books to young children? A. It teaches children to learn to listen. B. It teaches children to attend or following along with the book. C. It teaches children how to be respectful. D. It teaches children to relate the book

    asked by bev
  66. math

    how to solve 1/100-2/100+3/100-4/100+....+99/100-1?? and this?? -1/100+2/100-3/100+4/100-....-99/100+1??

    asked by Cara
  67. physic

    Nora’s car is run out of gas and she noticed that a gas station is just 125 feet away the incline road. She decided to push the car up a 14 degree inclined with a force of 250 N to get to the gas station. Determine how much work is done pushing the car

    asked by anis
  68. Science

    I need to know what type(s) of research method this study used. In the study, participants were asked questions before and after receiving a treatment. The catch is that this study had no control group, so the results were gathered from comparing

    asked by Anonymous
  69. Chemistry

    How many joules are needed to change 163.34 g of water at 54.1 °C to steam at 100 °C?

    asked by Miles
  70. Physics

    A nonuniform cylinder (radius = 0.14 m, center-of-mass rotational inertia = 2.21×10^-2 kg·m^2, mass = 1.36 kg) starts from rest and rolls without slipping down a plane with an angle of inclination of 24.0 degrees. How long does it take to travel 1.72 m

    asked by Skippy
  71. math

    what is my number? Clue 1 My number is a perfect number. Clue 2 The only prime number in its prime factorization is 2. Clue 3 My number is a factor of 32. Clue 4 The sum of its digits is odd.

    asked by Anonymous
  72. Chemistry

    Water is a liquid at STP. Hydrogen sulfide, H2S, a heavier molecule, is a gas under the same conditions.Explain, using diagrams, why this is so.

    asked by Neishia
  73. literature

    Children under age six often mistakenly think that all stories are: A. real. B. pretend. C. fairy tales. D. meaningless. B ? Children as young as two recognize certain conventions of a story. They specifically recognized: A. plot and setting. B. a formal

    asked by bev
  74. literature for kids

    Mrs. Edwards read Owl Moon to her class. As she read, she paused from time to time to allow the children time to think about the story. She used a different voice for each character. When she finished, she asked questions that helped her students

    asked by bev
  75. Physics

    What is the difference between Electro-Motive-Force and Potential-Difference?

    asked by Joe
  76. Chemistry

    When CH3OH at its normal boiling point, does its entropy increase or decrease? Explain. - My opinion The entropy decreases because there is less order due to the less randomness of gas particles favoured when such an element is boiled not at normal boiling

    asked by Liam
  77. geometry

    - One cubic foot is approximately 7.5 gallons of water - A typical garden hose releases approximately 11 gallons of water per minute Total cubic feet is 2268. How long will it take to refill the pool?

    asked by Kay
  78. jabu

    the driver of a car travelling at 100km/hr suddenly sight an obstacle 50m ahead of him What maximum acceleration must be applied to the car by applying the brake in order to avoid hitting the obstacle

    asked by omowumi
  79. Solving Trig Equations

    Solve for x in the interval [-pi,0] a) sin^2x = 3/4 I know that you have +root3/2 and -root3/2 and the positive one gives you an error when doing the inverse of sin, but im confused about the -root3/2. I found that one of the answers of x is -pi/3 (-60

    asked by Mandy
  80. math

    on September 30th I want to go to the movies and dinner with my friends. it will cost $25 for dinner and $15 for the movies my balance is $60 willi have enough to go ou

    asked by jordan
  81. Geography

    For Forced Migration I put a pull factor as security and for a push factor I put DIscrimination

    asked by Anonymous
  82. Government

    Explain the importance of selective incorporation

    asked by Anonymous
  83. math

    what is the remainder when 2^1000 is divided by 7??

    asked by lin
  84. georgia o,keefe

    how did joan didion creat an effective rortrait of georgia o,keefe as both woman and artist?

    asked by Anonymous
  85. Integral Calculus

    Integrate (tan^-1 X)/(1+x²) dx please help, I don't know how to start this one

    asked by ligas
  86. Math Algebra

    The numerator of the fraction 5/12 is decreased b y 2% and the denominator is increased by 3%. What is the new fraction

    asked by Dawne
  87. Calculus

    How do you integrate (x-r)^2 (1/r) (e^(-x/r)) from the interval negative infinity to positive infinity?

    asked by Christina
  88. Math (prob)

    The probability of an outstanding student pass a biology test is 60%. If he takes three test,which are the experimental results for each test? Please, help me to understand.

    asked by Bet
  89. Mathematics

    Express the following limit as a definite integral. Show all the steps in your work. Lim as n approaches infinity of (3/n * (n)sigma(I=1) * (1+(3i/n))/(9+(1+(3i/n)^2)). I am utterly lost!

    asked by Liam
  90. ap gov

    What court cases have selectively incorporated the Bill of Rights?

    asked by Anonymous
  91. math

    how to solve for x? 5^x=(25^(2x-1))(125^(4-2x))

    asked by lin
  92. Integral Calculus

    Integrate (tan^-1 X)/(1+x²) dx please help, I don't know how to start this one

    asked by ligas
  93. english

    choose the correct verb for each sentence

    asked by Anonymous
  94. Uttarpara Govt.High School,physical science

    There is a solution of 50 gm Pb(NO3)2 & 75 ml boiled water.If the solution is taken to the temperature at 20°c then what quantity of Pb(NO3)2 will come out from the solution if the solubility of Pb(NO3)2 in water at 20°c is 54.

    asked by Ayan Roy
  95. literature for kids

    A skilled poetry reader emphasizes the meaning and __________ of the words. A. rhyme B. rhythm C. definition D. pronunciation I think its c , but not really sure Thank u!

    asked by bev
  96. Chemistry

    A concentrated H2SO4 solution is 10.5 M. You have to make 255 mL of 0.650 M solution. How would you prepare it?

    asked by Neishia
  97. science

    1. Compare the natural greenhouse effect with the human-induced process.

    asked by fate
  98. Calculus

    How do you integrate (x-r)^2 (1/r) (e^(-x/r)) from the interval negative infinity to positive infinity?

    asked by Sanaya
  99. math

    how to do this?? 11/15=(1/a+(b/c+(d/e+f))) find a,b,c,d,e, and f??

    asked by lin
  100. calculus

    integrate (e^t + e^-t)²

    asked by ligas
  101. literature

    Units of study can group books in all of the following ways EXCEPT: A. by copyright dates. B. by similar content. C. by author. D. by illustrator. D?

    asked by bev
  102. Geography

    Push factors for Chain Miration and Forced Migration?

    asked by Anonymous
  103. Business math

    Bill Moore is buying a used Winnebago. His April monthly interest at 7.50% was $37.50. What was Bill’s principal balance at the beginning of April? (Use 360 days a year. Do not round intermediate calculations.)

    asked by LaDonna
  104. Government

    Why is the 14th amendment used by many groups that claim that they are victims of discrimination?

    asked by Anonymous
  105. Chemistry

    The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?

    asked by Anonymous
  106. calculus

    integrate (e^t + e^-t)²

    asked by ligas
  107. trigonometry

    draw a triangle that maps their route. label the lengths and angles. is hjb a right triangle? no. draw a height, h, from H to point X on bj. what kind of triangles are HXJ and HXB?

    asked by bonnie
  108. algebra

    are the expressions 8x^2 + 3(x^2 + y) and 7x^2 + 7y + 4x^2 - 4y equivalent?

    asked by samima
  109. science

    an object is placed 10 cm in front of a plane mirror. where is the image formed ?how far is it from the mirror

    asked by Anonymous
  110. science

    I did a physics experiment and now i need help with the matlab fit. can someone tell me how to do this fit in matlab? a1*[sin(a2(x-a3))/(a2(x-a3)]^2*[cos(a4(x-a3))]^2 i have a program that fits a graph to a function i just ask how to write this function.

    asked by henry
  111. Geography

    is intervening opportunity a type of migration

    asked by Anonymous
  112. Tamae

    5%of 220 files

    asked by Anderay