# Questions Asked onNovember 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.

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?

3. ## Math

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

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

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

6. ## math

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

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

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 ?

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

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

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

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

13. ## Chemistry

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

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

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

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

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?

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

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

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?

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...

23. ## physics

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

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

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 ?

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

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?

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

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

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.

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

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

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?

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

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?

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

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?

39. ## Chemistry

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

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

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

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

43. ## Art history

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

44. ## Geography

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

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%

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?

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

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

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?

50. ## math

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

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

52. ## Science

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

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

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?

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

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

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

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)

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

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.

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

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

63. ## science

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

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

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

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??

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

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

69. ## Chemistry

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

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

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.

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.

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

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

75. ## Physics

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

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

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?

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

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

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

81. ## Geography

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

82. ## Government

Explain the importance of selective incorporation

83. ## math

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

84. ## georgia o,keefe

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

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

87. ## Calculus

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

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.

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!

90. ## ap gov

What court cases have selectively incorporated the Bill of Rights?

91. ## math

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

93. ## english

choose the correct verb for each sentence

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.

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!

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?

97. ## science

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

98. ## Calculus

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

99. ## math

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

100. ## calculus

integrate (e^t + e^-t)²

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?

102. ## Geography

Push factors for Chain Miration and Forced Migration?

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.)

104. ## Government

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

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?

106. ## calculus

integrate (e^t + e^-t)²

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?

108. ## algebra

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

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

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.