# Questions Asked onJuly 26, 2012

1. ## trig

find sin theta and tan theta if cos theta = 2/3 and cot theta is >0 and find cos theta and cot theta if sin theta = 1/3 and tan theta is

2. ## math

A six-sided die (with numbers 1 through 6) and an eight-sided die (with numbers 1 through 8) are rolled. What is the probability that there is exactly one 6 showing? Express your answer as a common fraction.

3. ## chemistry

A sample of gas with a mass of 1.62 g occupies a volume of 941 mL at a pressure of 748 torr and a temperature of 20.0 C. What is the molar mass of the gas?

4. ## math

A childrens play area is triangular. The sides of the play area measure 90m ,225m and 255m respectively . Calculate the area of the play area?

5. ## math

Three fair quarters are tossed, and a tail appears on at least one of them. What is the probability that at least one head appears? Express your answer as a common fraction.

6. ## math

given the points A(0,0) ,B(4,3),C(2,9) what is the measure of < ABC?

7. ## BIOLOGY

Describe the processes of transcription and translation and correctly identify the anticodon for the following DNA template strand-ACG TGG GCA TGA ACG TGG. Which amino acids do these anticodon represent?

8. ## Calculus AP

Evaluate the integral interval from [0 to pi] t sin(3t)dt Use integration by parts u=t and dv=sin(3t)dt. then du=dt and v=-cos(3t)/3 here is my problem but Im having problem to solve with pi. ∫t sin(3t)dt = -tcos(3t)/3 - ∫[-cos(3t)/3]dt =-tcos(3t)/3 +

The direction that heat will flow is BEST determined by _____. A. energy B. pressure C. temperature D. potential energy

10. ## chemistry

What does 1.5 fold dilution and 2.5 fold dilution mean?

11. ## physical

three blocks,each with same mass, stacked one upon the other. the bottom block rest on a frictionlesshorizontal surface and is being pulled by a force F that is parrallel to this surface.the surface where the blocks touch each other have identical

12. ## physics

On the Moon, a falling object falls just 2.65 feet in the first second after being dropped. Each second it falls 5.3 feet farther than in the previous second. How far would an object fall in the first ten seconds after being dropped?

13. ## Science 10

The symbol of the lead(IV) ion is ?

14. ## physics

The label on a soft drink states that 15 fl. oz (444 g) provides 170 kcal. The drink is cooled to 11.0°C before it is consumed. It then reaches body temperature of 37°C. Find the net energy content of the drink. (Hint: You can treat the soft drink as

15. ## stats

2. A standardized exam was provided to all 3rd graders in Arizona schools. The average score was 75 with a standard deviation of 10. Assuming that the scores were normally distributed, answer the following questions. (a) What z-score corresponds with a

16. ## math

A cone has a height of 10cm and a volume of 350cm cubed. what is the radius of the cone?

17. ## Debating - subsidies, the arts

Could anyone help me come up with some points as to subsidies for the arts benefit the individual (both in society and the individual artist), and how taking subsidies away from the arts sector would be detrimental to the individual? Any help would be much

18. ## chem

A typical party balloon when inflated has a volume of 7.3 L. How many moles of helium are in the balloon if the pressure of helium is 1.2 atm and the temperature is 20.7 °C? Take the value of R to be 0.08206 L-atm/mol-K.

19. ## chem

Of 1.00g of A reacts with 1.50g of B, what is the mass of C how do i do this? Law of conservationn of mass, but not sure where to start?

20. ## chemistry

a mixture of NaCl and NaBr has a mass of 2.06 g and is found to contain 0.75 g of na what is the mass of NaBr in the mixture ?

21. ## Chem

The molecular weight of CaCl2 is 110.98 g/mol. In order to make up 500.0 ml of a 0.500 M solution, you need how many g?

22. ## Physics

A car with fuzzy dice hanging from the rear view mirror by a single string drives along at a constant 25.0 m/s. a) If the dice have a mass of 0.030 kg, what is the angle of the string (relative to vertical)? b) What is the tension in the string? c) As the

23. ## chemistry

How many moles of compound are in 26.5g of Na2CO3 x 10H2O?

24. ## Statistics

Given the sample mean of GPA, the sample SD, and the SE below: SM: 3.2454 SD: 0.4635 SE: 0.0309 construct a 68% confidence interval for the population mean gpa My answer is: 0.4635 to 3.7089

25. ## Anatomy and Physiology

If one solution is 1000 x as acidic as another, how many pH units would there be between the two?

26. ## math

Please show steps and give me explanations! Thank you. 1. If x=1/2, what is the value of 1/x+1/x-1 ? The answer is 0. 2. The sequence ZWYX may be changed in either two ways. Either two adjacent letters may be interchanged or the entire sequence may be

27. ## Science

How can we use Kepler's laws or Newton's laws to learn about these objects?

28. ## science

2 WAYS TO DETERMINE THE INTERIOR ARE GRAVITY, AND SEISMOLOGY.

29. ## Math152

First, you must determine how many tickets are possible. In your state, the lottery balls have the numbers 1-46 on them and you must pick 6 numbers. a. Determine how many possible tickets exist for your state lottery. b. Now, you need to come up with a

30. ## math

Find the coordinates of vertex for the parabola given by the equation f(x)=3x^2-x-1

31. ## Physic

What are some sources of energy that are available to heat the interiors of planets?

32. ## books

"Hi. This is my first time here. Anyway, what do I do to answer this statement?- 'Discuss the the narrator's success in the context of this statement. (Statement: How can a mother's pleas... [Source: The Pact])'"

33. ## art history

Discuss how the Italo-Byzantine sense can be seen as an evident in Berlinghieri’s St. Francis Altarpiece

34. ## healthcare management

Write a 1,400- to 1,750-word paper on essential communication in a community crisis situation described in the scenario. Include the following in your paper: • The individuals or groups that will be communicating inside and outside the organization

35. ## Trigonometry

how many solutions does the system {y = x, y = tan x have? what is sec^-1 (sec-ð)?

When a bond is formed, energy is _________ the environment. A. released into B. released from C. kept stable in

y = x2 + 6x

38. ## American Government

With which of the following statements would the Founding Fathers have disagreed? A.Government, which exists to regulate the behavior of the people, must itself be regulated. (B.) For the sake of simplicity, all the powers of government should be

39. ## American Government

Most amendments have _____. (A.) expanded and clarified the principles embodied in the Constitution B. radically changed and undermined the principles of the Constitution C. been approved just by Congress D. restricted the right to vote

40. ## physics

A 5-g ice cube at ?4°C is dropped into 60 g of water at 40°C. (For the following problems, use the specific heats in this table and the numerical data found in this table.) (a) After enough time has passed to allow the ice cube and water to come into

41. ## physics

The thermal conductivity of fiberglass batting, which is 9.4 in thick, is 8.6 10-6 BTU/(ft °F s). What is the R value (in ft2 °F h/BTU)?

42. ## physics

Suppose 300 g of water at 20°C is poured over a 50-g cube of ice with a temperature of -6°C. If all the ice melts, what is the final temperature of the water? If all of the ice does not melt, how much ice remains when the water–ice mixture reaches

43. ## physics

A 25-g lead bullet is shot with a speed of 240 m/s into a wooden wall. Assuming that 70% of the kinetic energy is absorbed by the bullet as heat (and 30% by the wall), what is the final temperature of the bullet? (Assume the bullet is initially at room

44. ## American Government

The Constitution created a confederate system of government?

45. ## math

Richard is standing between two buildings in a town house development.The building on the left is 9 m away and the angle of elevation to its security spotlight A is 68 degrees. The building on the right is 6m away and the angle of elevation to its security

46. ## stats

3. The mean family income in Arizona is about \$64,750 with a standard deviation (for the population) of \$59,750. Imagine that you are taking a sample of 200 randomly selected state residents. (a) What is the probability that your sample mean is between

47. ## stats

4. Data from the 2008 General Social Survey (GSS) sample show that the mean number of children per respondent was 1.94 with a standard deviation of 1.70. A total of 2,020 people answered this question. (a) Estimate the population mean number of children

48. ## English

A book or magazine in its original form is a/an ________ source. A. media B. print C. electronic D. oral I think it's B.

49. ## English

The internet is a/an source. A. print B. electronic C. non-print D. media I can't choose between choice B and choice D.

Which of these temperatures is closest to 100 K? A. -173 °C B. 18 °C C. 0 °F D. 212 °F

250-word essay in the description of a business scenario, real or fiction that depicts each of the following forms of bussiness organization: joint-stock company, liability company, sole proprietorship, and partnership

3 things that all life have in common and an explanation for the meaning of each?

53. ## Financial Planning

What are the long term and short term effects of credit and debt?

54. ## check geo

the us is a leading exporter of a.oil natural gases b.rice products c.beef and grain. d.cranberries and rasberries

55. ## social studies

whatevent led the United States protest German actions in 1915

56. ## com/155

Review the steps in the prewriting phase of essay writing. How important do you think prewriting is to the success of an essay? Can you skip the prewriting phase? Why or why not?

57. ## Physics

If a wire of resistance R, resistivity ñ "roe", length L, and cross sectional area A, had its length doubled and radius halved, what would be the ratio of R'/R. Where R' is the new resistance of the wire. I thought it would be 4 times R, giving the ratio

58. ## math

a security camera needs to be set so that its angle of view includes the area from a doorway to the edge of a parking lot.The doorway is 16m from the camera. The edge of the parking lot is 24m from the camera .The doorway is 28m from the edge of the

59. ## math

what%is 234 of 450

60. ## math

a square based pyramid has a volume of 1100 mm cubed its height is 15 mm calculate the dimensions of the base of the pyramid?

61. ## biotechnology

what is the physical ane chemical differance bn NaBR ane KBr?

62. ## English

Explain what is wrong with the following sentence and make any corrections necessary: "I wanted to stay for dessert, but I taking an exam early the next morning."

63. ## English

Explain what is wrong with the following sentence and reviseas needed to correctthe problem: "While repelling from the cliff, my backpack slipped and fell to the canyon floor."

How does 3 and5/8 minus1 and3/4 equal1 and3/4

How does 3 and5/8 minus1 and3/4 equal1 and3/4

How does 3 and5/8 minus1 and3/4 equal1 and3/4

67. ## Algebra

Is it possible to factor a sum of two squares by using real numbers?

68. ## math- finding zeros

Using the given zero, find all the zeroes and write a linear factorization of f(x) 1 + i is a zero of f(x)= x4-2x^3-x^2 + 6x -6 I did synthetic division and I got that it wasn't a zero?

69. ## Life sciences

How can hiv and aids affect human problem impact on the community?

70. ## english

Jacob, my best friend, believes that he is as smart as I am. -------------------------------------------------------------------------------- If anyone understands the directions, it is she.

71. ## chemistry

Suppose you mix 50 grams of CO and 10 grams of H2. How many grams of methanol can be produced?

72. ## Science

You are a Chemical engineer, trying to synthesize N2H4(l). Your boss suggests that you try to synthesis it from the elements, nitrogen and hydrogen, at 25 celsius and 1.0 atm (since this would be a cheap way of doing it). Write a short note to sent to your

73. ## algebra*

Find the following product: -9x^5y(-5x^4y^6) A)-14x^9y^7 B)45x^9y^7 C)-9x^5y-5x^4y^6 D)45x^20y^6

74. ## Algebra*

Short Answer. Find the following product: -3z(-z^2-9)

75. ## planar geometry

The triangle with vertices (0, 0), (2, -5), and (7, -3) is? a. right. b. equilateral. c. isoceles. d. scalene.

76. ## language atrs

In which sentence does the italicized pronoun agress in numbers with its italicized antecedent? The boys want their dessert now. The waiter refilled their glasses as they emptied it.

77. ## literature

. Which of these sentences uses grammar correctly? (Points : 1) Whom may I say is calling? Who may I say is calling? Whose calling?

78. ## Algebra*

Short Answer. Find the following product: (x+7)^2

79. ## Algebra*

Short Answer. Find the following quotient: x^2-36/x+6

80. ## Math

I have this question for summer homework: "Mary's quiz scores were 92, 85, 78, 71, 77, and 80. She says she had an average of 92 for her quiz scores. Which term best describes her average score? a. mean b. median c. mode d. range" I calculated the mean,

81. ## physical science

what are the number of moles of phosphorus in 15 moles of Ca3(PO4)2

82. ## chemistry

What does 1.5 fold dilution and 2.5 fold dilution mean?

83. ## english 111

the gardner put in pinch of grass seed wherever he pulled out a weed

84. ## Mathematics

an aircraft's reading shows time 8:55 at distance travelled 957km time 9:07 at distance travelled 1083 calculate distance travelled in km calculate the average speed of aircraft in km/h (for the 1st question 1083-957= 126km) (the second one should i add

85. ## Physics

Consider a spider walking from the top of a (stationary) beach ball. (Let that angular position = 0 O .) The spider finds it loses its grip when the normal force between it and the surface is less than 1/2 of its weight. At what angle does this slipping

86. ## Physics

Starting from rest, a 6.70 kg object falls through some liquid and experiences a resistive (drag) force that is linearly proportional to the velocity of the object. It's measured that the object reaches half its terminal speed at 4.50 s. a) What is the

87. ## Physics

Assume the Earth is a perfect sphere of radius 6,400 kilometers. Find the weight of a 75.0 kg person at the North pole. Find the weight of this same person at the equator. (You don't need to use Newton's Law of Gravitation but you do need to analyze the

88. ## Physics

The Hubble Space Telescope (HST) has recorded evidence of a black hole at the center of the M87 galaxy. Using Doppler data, it's been measured that matter is orbiting the center of this galaxy at an orbital speed of 7.5x10 5 m/s, out at a radius of 5.7x10

89. ## Physics

A popular carnival ride consists of a large, round room that rotates fast enough that any person standing against the wall will be stuck there, even as the floor is dropped away from their feet. The coefficient of static friction between the person and the

90. ## Physics

In the Daytona 500 car race in Daytona, FL, a curve in the oval track has a radius of 316 m (near the top of the curve) and is banked at 31.0 O . a) What speed would be necessary to make this turn if there was no friction on the road? b) If the coefficient

91. ## law/421

What is the relationship between the First Amendment of the U.S. Constitution and censorship when doing business?

92. ## chem

Cesium-137 has a half life of 30.0 years. If initially there are 8.0 kg of cesium-137 present in a sample, how many kg will remain after 60.0 years?

93. ## readings in world civilization

Kindly please check my answers. Thanks 1. As expressed in your readings, which of these statements best expresses the crucial paradox of the twentieth century? A. Human life is disregarded as nations seek global security. B. War in the name of liberty

94. ## chemistry

You have .1 moles of H3PO4 in a soln with a total volume of 250 mL. You then add .15 moles of NaOH and dilute the soln to a total volume of 1L calculate the pH of the resulting soln and the concentrations of all aqueous species. Thanks!!!!

95. ## to ms.sue- math project.

i don't get what it means when it says "create your own set of multiplication flash cards for all tables from two to twelve." i don't get what it means when it says "for all tables from two to twelve"

I just need help understanding something. My homework reads: These chapters introduced you to the role of art in architecture in each of these cultures (Early Christian, Byzantine, and Islamic art), the link they provide me is suppose to give me access to

97. ## chemistry

You are given 50 mL of .25 M citric acid. How many moles of NaOH would you need to add to obtain a soln with a pH of 6.7? Assume volume unchanged Ka1=7.4E-4 Ka2=1.7E-5 Ka3=4E-7

98. ## to ms.sue-math project

i still don't get it.but it says for all tables.

99. ## to ms.sue-project math

create your own set of multiplication flash cards for all tables from two to twelve is it like they just want me to do times tables like: 2 * 1 2 * 2 (2 times to 12 then 3 *1 3 *2 (then so on to 12?

100. ## Statistics

Given the sample mean of GPA, the sample SD, and the SE below: SM: 3.2454 SD: 0.4635 SE: 0.0309 construct a 99.7% confidence interval for the population mean gpa. My answer: 3.2145 to 9.6435

101. ## math

how far would a 50 lb object travel when hit by a 2200lb object at 30 mph?

102. ## writing

• Your aunt arrives with a huge box. You hear strange noises coming from the box. Write a story about what’s inside. i need some ideas, i don't know how to start this story

103. ## Statistics

A researcher wants to see if gender plays a role in where we sit in a restaurant. An analysis of survey data yields the following contingency table, chi-squared value, and p-value: Tabulated statistics: Gender, Seating Rows: Gender Columns: Seating Back

1. Substitute: Ms.Kubagwa is six years younger than Ms. Vea. The sum of there ages is 52 years. I HAVE NO CLUE WHAT TO DO HERE!! 2.Ms.starbrowski has four more pens than Mr.Dukeman. Together they have 34 pens. How many pens does Ms.Starbrowski have?

105. ## to PsyDAG

i don't get when it says create your own set of multiplication flash cards for all tables from two to twelve

106. ## Statistics

A regression equation was calculated and is given below. The values for Miss America are values such as 0, 1, 2, 3, 4, etc. Regression Analysis: GPA versus Miss America The regression equation is GPA = 3.32 - 0.0890 Miss America b. What is the response

107. ## geometry

Segment AB is a midsegment of trapezoid WXYZ, and segment ZY is parallel to segment WX. Determine WX if AB = 10 cm and ZY = 7 cm. Justify your answer.

108. ## Physics

starting from your house, run 2oom east at an average speed of 4m/s, then turn around and run 280m west at an average spped of 7m/s to a post. 1) calculate Average velocity from house to post 2)average speed

109. ## poetry

For "My Papa's Waltz," one possible interprtation is that the speaker is A.afraid of his father B.angry with his fathers rough behavior C.dissapointed with his father D.offended by his mothers reaction to the waltzing

110. ## Ms Sue

Is the building, San Vitale.. considered to be Byzantine .. it does not have a dome.

111. ## Physics

At the instant a traffic light turns green, an automobile that has been waiting at an intersection starts moving forward with a constant acceleration of 2.00m/s(squared). At the same time a truck traveling with a constant speed of 18m/s, overtakes and

112. ## Chemistry

Find the volume, in L, of 100g gas mixture containing 10.0 mol% hydrogen in nitrogen at 30.0C and 5.00 atm. Use the avg molecular wt. what is the molar concentration of hydrogen, in mol/L, in the gas mixture? what is the average mass denisity in g/L

113. ## Trig Functions

Which of the following lists contains only functions with vertical asymptotes in their graphs? A. Cosine, sine, tangent, cotangent B. Tangent, secant, cosecant, cotangent C. Sine, tangent, secant, cosecant D. Cosine, sine, secant, cosecant

114. ## Physic

What are the primary differences between the different types of objects that live in the solar system?