# Questions Asked onOctober 3, 2009

1. ## Chemistry

Determine the molar concentration of ethanol (C2H6O) in a wine that is 14% ethanol by mass. The density of this wine is 0.93 g/cm^3.

2. ## chemistry.

Calculate the percentage by mass of nitrogen in PtCl2(NH3)2...can anyone help me.??

3. ## Chemistry

Convert 4.3 kPAxmm^3xs^-1 to mJxs^-1

4. ## Science

Do you know of a web site that has the geographic locations of these biomes? Tundra Taiga Temperate Deciduous Forest Rainforest Temperate Grasslands Wetlands Desert Streams, Rivers & Estuaries Lakes & Ponds Coral Reefs thanks for the help:)

5. ## Math

Hello, I have trouble doing this problem: Sarah can bicycle a loop around the north part of Lake Washington in 2 hours and 40 minutes. If she could increase her average speed by 1km/hr, it would reduce her time around the loop by 6 minutes. How many

6. ## chemistry.

The relative mass of aluminum chloride is 267 and its composition by mass is 20,3% Al and 79,7% chlorine. Determine the empirical and molecular formulas of Aluminum chloride.

The floor of a rectangular room is to be tiled with 1/3 foot square tiles along a 10 5/8 foot wall. How many tiles will be needed along the wall?

8. ## MATH

Joan can mow a 10-acre field in 5 hours. How long would it take her to mow a 3.8-acre field?

9. ## MATH

Find the word form 0.007 a. seven hundredths b. seven tenths c. seven thousand d. not given I selected a. seven hundredths

10. ## UNM

In an air-conditioned room at 19.0C , a spherical balloon had the diameter of 50.0cm . When taken outside on a hot summer day, the balloon expanded to 51.0cm in diameter. What was the temperature outside? Assume that the balloon is a perfect sphere and

11. ## science

Question: what do you think will happen to the rate of reaction if the concentration of enzyme is increased to five drops?Predict what thte rate would be for 5 drops. Answer:Roughly, the rate doubles when the concentration of enzyme doubles. Since the data

12. ## maths

find the x-intercept of the graph of the equation: 1. 4x-5y=8 2. 3y-10x=4 answers that I got: 1. x=2 2. -2/5 ___________________________________ find the y-intercept of the graph of the equation: 3. 7-12x=3y 4. 4y+9=5x my answer: 3. 2 1/3 4. 2 1/4 can you

13. ## algebra

you rollerblade at an average speed of 8 miles per hour. the number of miles m you rollerblade during h hours is modeled by m=8h. do these two quantities have direct variation? please help me with this. thank u

14. ## algebra

Five times the smallest of three consecutive odd integers is ten more than twice the longest. Find the integers. The sum of three integers is one hundred twenty three more than the first number. The second number is two more than the first number. the

15. ## MICROBIOLOGY

WHICH IS /ARE COMPLEMENTARY TO 5' AGGCUAAC 3' 1. 5'TCCGATTG3' 2. 3'TCCGATTC5' 3. 5'CTTAGCCT3' 4.3'TAAGCTTA5' 5. 3'TCCGATTG5' AND 5'GTTAGCCT3'

Direct Variation: when you have a job that pays an hourly wage, the amount you earn varies directly with the number of hours you work. Suppose you earn \$7.10/ hour working at the library.

17. ## AP World History

Okay I have no idea how to group the documents without summarizing them individually in my DBQ essay. My essay prompt is that I have analyze the responses to the spread of Buddhism in China and add an additional document. Plus I need help with my thesis:

18. ## MICROBIOLOGY

WHICH IS A RNA MOLECULE AGCCTAC GGGCCCA GCCCUUA

19. ## Math

How would you write 90cm in scientific notation? 9.0 * 10^x

20. ## Planning

Negotiation/Delay/Refusal Skills - Assignment There are many ways to say “no” to pressure from a dating partner or peer. Some of the ways to do this are listed below. For each skill, write a "pressuring statement" or one for all of them, followed by a

21. ## Math

The distance that light travels in 1 year (a light year) is 5.88 x 10^12 miles. If a star is 2.4 x 10^8 light years away, what is the distance to that star in miles? How would you even begin the problem?

22. ## Spanish 1

what is "Trescientos"?

23. ## MATH

A rectangular field is to be enclosed with 1200 ft of fencing. If the length of the field is 40 ft longer than the width, then how long is the field?

24. ## English

In the following viewpoint, David B. Muhlhausen argues that capital punishment should not be abandoned because it deters crimes, saves lives, and the majority of American citizens support its use. Additionally, he maintains that evidence does not support

25. ## medicine

what will be agood thesie and introduction and coclusion for education .

26. ## 10th grade english( the kite runner)

What is a good example of assonance and alliteration from the the runner iin exact quotes?

27. ## history

Rank the top five factors you think contributed to the outcome of the Civil War. This my question. 1. 1.The weather we lost more men by the harsh weather. 2.The North had more access to weapons then the south. 3.The south was out number, the north had more

HELP PLEASE Bar Graph information is as follows: Aquariums At a museum On the left side of graph it shows the name of animals in the aquarium and on the bottom is shows capacity (in thousands of gallons) On the left the animals are as follows: 1.Shark -

29. ## maths

in 1992, a software company had a profit of \$30,000,000. in 1998, the company had a profit of \$210,000,000. find the average rate of change of the company's proft in dollars per year. I have no idea how to this. please explain step-by-step.. thnxx

30. ## Statistics

For df = 25, determine the value of A that corresponds to each of the following probabilites: a. P(t >- A)= 0.025 b. P(t

31. ## Statistics

From past experience, an airline has found the luggage weight for individual air travelers on its trans-Atlantic route to have a mean of 80 pounds and a standard deviation of 20 pounds. The plane is consistently fully booked and holds 100 passengers. The

32. ## Statistics

A simple random sample of 25 has been collected from a normally distributed population for which it is know that o=17.0. The sample mean has been calculated as 342.0, and the sample standard deviation is s=14.9. Construct and interpret the 95% and 99%

33. ## MATH

IS THE SQUARE ROOT OF 21 A) 5 AND 6 b) 7 AND 8 c) 4 AND 5 d) 6 AND 7

35. ## English1A - need help on argument/thesis

Can someone help me with my argument/thesis? My introduction... let's see if this works. Gender myths Some people wear earrings, others do not. Some people wear nail polish, while others do not. Whatever the case is, there are some people, whether male or

36. ## english

outline major events and people in your life that helped or hindered you in your educational and personal growth. Describe how they influenced your thoughts, behaviors, values and accomplishments.

37. ## biology

the clinitest tablets specifically test for which of the following: starch, hydrogen peroxided, guaicol, peroxidase, or none of the above. Is the answer starch or none of the above?

Briefly summarize the differences between the words or phrases in each of the following. A reaction without an enzyme and a reaction with an enzyme.

39. ## Chemistry

Cola contains phosphoric acid, H3PO4. In order to determine the concentration of phosphoric acid in 50mL of Cola, a precipitation reaction with excess silver nitrate was carried out. The product, silver phosphate, was dried and found to weigh 0.0576g. What

40. ## math

3,500 cm2=_____L and simplify 10lbs 28oz

41. ## maths

write the equation in slope-intercept form. then graph the equation. 1. 6x-4y=3 2. 2y+5x=10 can you please help me with at least one of them? thanks! also, where it says 'then graph the equation', I know we can't graph here, so you can ignore that. but if

42. ## algebra 2

The are of a square can be represented by the polynomial 4x^2-16x+16. Find the length of a side of the square in terms of x.

43. ## math

3500 cm2=________L

44. ## MATH

hello- The question is round to the digit underlined Add or subtract? 7 is the underlined digit. 7,526-3,861. a. 4,000 b. 5,000 c. 3,000 d. not given

45. ## MATH

I THINK a. 4,000 is the answer am I right

46. ## Science

What are the dominant plants in the Tundra Taiga: Temperate Deciduous Forest: Tropical Rainforest: Grasslands: Desert: Rivers: Lakes & Ponds: Coral Reefs: Temperate Oceans: ? if you know of a website with the information that would be great!

47. ## math

Suppose that an experiment has four possible outcomes: A, B, C, and D. If P(A) = P(B) = P(C) and what is the probability of each event?

48. ## Genetics

Can chromosome instability cause an individual to be highly susceptible to cancer?

49. ## Communication Studies

In the broader non-political sense, can cultural and social conservation of "traditional" beliefs and world views even exist in the mass media dominated world of the 21st century?

50. ## Physics

What is the maximum speed with which a 1070 kg car can round a turn of radius 80 m on a flat road if the coefficient of static friction between tires and road is 0.80?

51. ## science

10 plants which are useful? and describe why they are useful. ive looked on google but i can only find aloe vera and sugar cane thanks

52. ## math

find the numerical deriviative of the given function at the indicated point. use h=0.001. is the function differentiable at the indicated point? 4x- x^2, x=0

53. ## statistics

For the following data independent samples, could the null hypothesis that the population means are equal be rejected at the 0.05 level? Sample1 Sample2 Sample3 Sample4 15.2 10.2 14.9 11.5 12.2 12.1 13.0 13.1 15.0 8.5 10.8 11.5 14.6 8.1 10.7 6.3 9.7 10.9

This is my essay for the forum that I am attentding in few weeks time. The topic is shown below. Please make any corrections and check any awkward pharses A.S.A.P Thank you Can we balance Economic Growth and Environmental Conservation? Can we balance

55. ## Math 156

Determine whether the sets are equal only, equivalent only, both equal and equivalent, or neither equal nor equivalent {3,15} and { 3, 1,5}

-14

57. ## Statistics

Safety researchers, interested in determining whether the occupancy of a vehicle might be related to the speed at which the vehicle is driven, have observed the following speed (mph) measurements for two random samples of vehicles. Alone With Pass 64 44 50

58. ## math117

Multiply (1-x)(9-8x) the answer that I came up with is (x-1)(x-8) can some help me and if I am wrong help me to solve

59. ## math

Could someone please help me with this problem? The semester point totals of 16 students are listed below. Find the interquartile range (IQR). 787 639 820 677 475 601 531 650 583 684 875 507 599 460 543 490

60. ## math

Suppose that an experiment has four possible outcomes: A, B, C, and D. If P(A) = P(B) = P(C) and P(D) = 2P(A), what is the probability of each event? Is the answer: P(A) = P(B) = P(C) =1/4, P(D) =1/2

61. ## Sociology

What does the metaphor Path in the Snow mean?

62. ## critically thinking

paper on drugs

63. ## Algebra 1: Problem Solving

What is the number of degrees in the measure of the larger of two supplementary angles if the ratio of their measure is 4:5?

64. ## math

I don't understand this calculus problem at all. can someone show me step by step? Find all values of x for which the function is differentiable

65. ## Math

???? divided by nine equals ten. also... eighty four divided by ???? equals forty two.

66. ## statistics

At a certain college, 15% of the students received an A in their required math course, 10% receieved an A in their required chemistry course, and 5% received an A in both. A student is selected at random. a.) What is the probability that he received an A

67. ## social studies

what are the different agencies which govern tourism in jamaica

68. ## math

Determine whether there is a one-to-one correspondence between the two sets. {Mon, Tue, Wed} and {Oct, Nov, Dec}

69. ## English

My mind flashed back to the day I placed my own son in a rehabilitation program when he was 15. I could feel the heavy, painful ache as I recalled the door with metal bars clanging shut and locking behind me. I felt the same knot in my stomach and the lump

70. ## statistics

State the value of the correct region for alpha = 0.01

71. ## statistics

A professional basketball player has embarked on a program to study his ability to shoot foul shots. On each day in which a game is not scheduled, he intends to shoot 100 foul shots. He maintains records over a period of 40 days of practice, with the

72. ## Pre-Calc

Here I am again stuck with another geometry type question. Here goes: A rectangle is inscribed between the x-axis and the parabola y=36-x^2 with one side along the x-axis. He drew the picture with the parabola at points (-6,0) (6,0) (0,6) the rectanle is

73. ## Physics

momentum equals = mass (velocity) yet for problems I end up using this P = m (delta v) what allows us to simply put the delta infront of the v to find the momentum?

74. ## art

explain the importance of principles of design in building multistory buildings. cite examples of any two famous buildings of world.

75. ## science

what are the common place copernicum or ununbium are found in

76. ## Pre Calc To Reiny - Follow up on Pre-Calc Answer

Pre-Calc - Follow-up for Reiny - MUFFY, Saturday, October 3, 2009 at 10:27pm I wasn't sure if you would notice my question since it is so much later so I re-sent this as a new question. Please let me know if I shouldn't do that. I understand how you got a

77. ## science

what are place to find the element ununbium or copernicium

78. ## English -- ann

Your post has been removed. Once you write up YOUR THOUGHTS, please re-post, and someone here will be happy to comment.

79. ## statistics

Use Bayes' theorem to solve this problem. A storeowner purchases stereos from two companies. From Company A, 250 stereos are purchased and 1% are found to be defective. From Company B, 950 stereos are purchased and 10% are found to be defective. Given that

80. ## artist

what is the name of the museum where the mona lisa is?

81. ## algebra

you rollerblade at an average speed of 8 miles per hour. the number of miles m you rollerblade during h hours is modeled by m=8h. do these two quantities have direct variation?

82. ## Geography

22. Most of the countries on the Balkan Peninsula have a a. Mediterranean climate b. humid continental climate c. highland climate d. tundra climate C? 28. Which of the following explains how Czechoslovakia was divided into the Czech Republic and Slovakia

83. ## math

simplify 10 lbs 28 oz

84. ## math

math ? FIND THE VALUE OF 5 - 35,791 a. five hundred b. five thousand c. five thousandths d. not given I selected - b. five thousand correct? or not?

85. ## english

How might you explain to a new student of English what is happening in such sentences as these? Terry is in the library. Terry may be in the library. Terry might be in the library. Terry might have been in the library. Terry could be in the library. Terry

86. ## Geography

These are my already asked questions that I didn't find an answer to [I'm not sure why] Can someone please help with them, because my exam's due monday. 2. How has human settlement affected the natural vegetation of Western Europe? a. People have carefully

87. ## math

simplify 9qt 9pt

I need simple subject and simple predicate for the following sentence. The first movies were different from today's films.

89. ## math

identify the rate in the following statement 27% of 500 is 135

90. ## BIOLOGY

Botulism (a toxin produced by bacteria that causes food poisoning) and curare (a natural poison) inhibit the action of acetylcholine. What symptoms would you expect to find in someone exposed to botulism or curare? Provide an explanation for the symptoms.

91. ## Sex Ed

1. Identify different types of media that display sexual images. Videogames Movies Magazines Internet 2. What does the media teach us about women's sexuality? Good looking, slim bodies with huge breasts and angular jawbones and absolutely no hair on their

92. ## Chemestry

A cylinder with a movable piston contains 2.00 of helium, , at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume

93. ## Geography

I have to write an essay on this topic: In an essay, discuss the causes of discontent between Catholics and Protestants in Ireland and the significant events in this drama. Be sure to include dates throughout your essay in order to create a timeline of the

94. ## math

identify the rate in the following statement 27% of 500 is 135

95. ## english1A - argument/these

Oh shoot. I keep forgetting to change my Word document to a text document. for some reason it doesn't post here if I don't. My introduction... let's see if this works. Gender myths Some people wear earrings, others do not. Some people wear nail polish,

96. ## chemistry

A 1-L flask is filled with 1.25g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.45amt .What is the partial pressure of argon, Par, in the flask?

97. ## chemistry

what it the anaylis of heating copper corbonnate

98. ## religious education

i need to write an essay about is religion sexist? i need to include christianity sikh judaism . thankyou

99. ## english1A- need help with my thesis

Ok I think I was going the wrong way with my Gender topic. I think I should write about how times have changed and society evolved, women and men do not perform their traditional roles as they use to and do not dress the same as they use to. And women go

100. ## social studies

write an essay on: "Descendants of A frica slaves have experienced a higher standard of living if they had been born in Africa" .How true is this statement?Elaborate.

101. ## social studies

Read the following scenario: You are a second-grade teacher at Happy Valley Elementary School. You are teaching language arts and social studies. Your classroom of 21 students consists of 7 white students, 5 Latino students, 4 African American students, 3

102. ## MATH

WRITE A PROPORTIAN THAT IS EQUIVALENT TO THE STATMENT : IF 3 GALLONS OF GASOLINE COST \$5.37, THEN 8 GALLONS WILL COST \$ 14.32.

103. ## soc

What does the metaphor Path in the Snow mean?

104. ## math

if a car has an initial velocity of 103m/s and acclerates at 1m/s for 3 seconds what will its final velocity be

105. ## math

if a vehicle travels with a constant acceleration of 3km/hr for 5 hours, what was its intial velocity if the final velocity was 100km/hr

106. ## statistics

Two flower seeds are randomly selected from a package that contains five seeds for red flowers and three seeds for white flowers. a.) What is the probability that both seeds will result in red flowers? b.) What is the probability that one of each color is

107. ## English

What is a marginalized character?

108. ## social studies and language arts

Read the following scenario: You are a second-grade teacher at Happy Valley Elementary School. You are teaching language arts and social studies. Your classroom of 21 students consists of 7 white students, 5 Latino students, 4 African American students, 3

109. ## Travel and Tourism

I need help with this one question with two parts... Describe the traditional role of a travel agents and tour operators compared to thier current operation?

110. ## Science

What does life need?

What are the four characteristics of the internal alignment of any compensation strategy?

112. ## CRT 205

your response to the following: Of the two arguments provided in the digital story, which is valid and which is sound? When you are building an argument for an issue that is significant to you, do you think it is more important to be valid or sound?

113. ## Civics Project

I have to do a project on facts about the average president. Does anybody have a good web site?

114. ## math

find the missing length of the right triangle one side is 20 and th other side is 48?? help

115. ## calculus

evaluate if possible the function at the given values(s) of the independent variable. Simplify the results. f(x)= square root x+5 (a) f(-4) (b) f(11) (c) f(-8) (d) f(x+deltax)

116. ## soc

What does the metaphor Path in the Snow mean?

117. ## Math

How would you write 90cm in scientific notation?

118. ## math

is the following set of numbers a perfect triple? 13,15,18

119. ## statistics

Share the value of the correct region for alpha= 0.05

120. ## statistics

A machine used for packaging seedless golden raisins is set so that their standard deviation in the weight of raisins packaged per box is 0.25 ounce. The operations manager wishes to test the machine setting and selects a sample of 30 consecutive raisin

121. ## history

What is socialism?

122. ## Physics

At what altitude above the Earth's surface would your weight be three-fourths of what it is at the Earth's surface? Assume re = 6.371 10^3 km.

123. ## optimization

While searching for the minimum of ƒ(x)  [x2  (x  1)2][x2  (x  1)2] 1 2 1 2 we terminate at the following points: (a) x(1)  [0, 0]T (b) x(2)  [0, 1]T (c) x(3)  [0, 1]T (d) x(4)  [1, 1]T Classify each point. AND 3.17. Suppose you are a fill-dirt

124. ## algebra

ok im tring to find the slope intercept form of a perpindicular line so i can graph it heres the equation: (-3,1) y=-3x+7

125. ## Math

find the x-intercepts by factoring g(x)=x^4-27x I'm really confused. All I can think is to factor out one x, but that only makes the x-intercept 0 and the answer is supposed to be 0 and 3. I don't understand what I'm doing wrong.

126. ## Math

The distance that light travels in 1 year (a light year) is 5.88x10^12 miles. If a star is 2.4x10^8 light years away, what is the distance to that star in miles? Answer in standard notation. I put the answer 141120000000000000000 miles and it says I'm

127. ## chemistry

why is iodine dissolved in alcohol and used as tincture of iodine on wounds?

last weekend,alans basketball team played in a tournament. alan scored 1/5of the teams points,his friend jake scored 30% of the teams points. what fraction of the teams points were scored by alan and jake?

129. ## Biology

Which part of the neuron stores neurotransmitters? My answer was the dendrite filaments. Is this correct?

130. ## Physics

I agree with this and see were it comes from net force = (delta p)/t so momentum is conserved when net force equals zero... net force = (delta p)/t 0 = (delta p)/t however the following is not true 0 = (delta p)/t = P - Po were p is momentum and Po is used

131. ## english/writing

The sterotype of the homosexual, particularly the male, is one of promiscuity. Indeed, there is some basis for that sterotype; about half of all white mails in one study reported that they had over five hundred partners. However Riedmann (1995) esimated

132. ## English

My mind flashed back to the day I placed my own son in a rehabilitation program when he was 15. I could feel the heavy, painful ache as I recalled the door with metal bars clanging shut and locking behind me. I felt the same knot in my stomach and the lump

133. ## algebra

im practicing simplifing expressions and have been given (-9a-9)5. should i use disstributing rule if not please explain how i would have to do this problem. thnx

134. ## English

The terrorist attacks of September 11, 2001, produced a response among American officials, the media, and the public that is probably matched only by the attack on Pearl Harbor in 1941. Since it is the very nature of terrorism not only to cause immediate

135. ## Science

What is the average yearly rainfall for Rivers: Lakes & Ponds: Coral Reefs: Temperate Oceans: ?? thanks:)

what are the major commercial fish caught in the bahamas and tell where they are caught

137. ## math115

Ms. Jefferson has been given a loan of \$20,000 for 1 year. If the interest charged is \$800, what is the interest rate on the loan?4% 2.A saleswoman is working on a 6% commission basis. If she wants to make \$2,400 in one month, how much must she