# Questions Asked onJanuary 8, 2009

1. ## Math

My question: A spinner looks like this: A disc divided into sections that might or might not be the same size, with a pointer that when spun will land on some part of the disc at random. The sections might be colours, or, as in these problems, have numbers

2. ## chemistry

A 0.03 mol sample of NH4NO3(s) is placed in a 1 L evacuated flask, which is then sealed and heated. The NH4NO3(s) decomposes completely according to the balanced equation above. The total pressure in the flask measured at 400 K is closest to which of the

3. ## Math

A password consists of 2 letters and 2 digits (0-9). The letters and digits cannot be repeated. How many passwords are possible?

4. ## Calc

Let f be the function given by f(x)=2ln(x^2+3)-x with domain -3 is less than or equal to x which is less than or equal to 5 a) Find the x-coordinate of each relative maximum point and each relative minimum point of f. Justify your answer. b) Find the

5. ## calculus

A 384 square meter plot of land is to be enclosed by a fence and divided into equal parts by a fence parallel to one pair of sides. What dimensions of the outer rectangle will minimize the amount of force used?

6. ## trigonometry

the radius of the tires of a car is 13 inches, and they are revolving at the rate of 506 revolutions per minute. how fast is the car traveling in miles per hour. A. 6.23pi mph B. 1.25pi mph C. 149.50pi mph D. 12.46pi mph

7. ## Physics

Is the surface of water truly a node? Why? An airplane mechanic (standing still) notices that the sound from a twin-engine aircraft rapidly varies in loudness when both engines are running. What could be causing the variation back and forth between loud

In the art piece "Diego on My Mind" by Frida Kahlo, what can be inferred or concluded about the artist based on this painting? Use`details in the painting to support the ideas.

9. ## Science

1: TRUE or FALSE? Elements are pure types of matter. 2: TRUE or FALSE? Atoms are made from molecules. 3: TRUE or FALSE? Chlorophyll is needed for cellular respiration. 4: TRUE or FALSE? Matter and energy flow through food chains. 5: TRUE or FALSE? Chemical

10. ## algebra

The ratio of adults to children at a holiday concert is expected to be 5 to 2. If 490 peole attend, approximately how many will be children? How many will be adults? Thank you! Last problem and cant figure it out!

11. ## algebra

A train left Podunk and traveled north at 75km/h. Two hours later, another train left Podunk and traveled in the same direction at 100 km/h. How many hours had the first train travelee when the second overtook it?

12. ## calculus

A rectangle has its base on the x-axis and its 2 upper corners on the parabola y=12-x^2. What is the largest possible area of the rectangle?

13. ## Chemistry

One mole of nirtogen at 273K occupying 10 litres (state 1) is to be expanded to a volume of 20 litres at 373K (state 2). An infinite number of paths from state 1 to state 2 are possible. Consider the following important paths: (a) The gas is expanded

14. ## Math

could someone please check these problems for me? thank you! 1. Soybean meal is 16% protein; cornmeal is 8% protein. How many lbs of each should be mixed together in order to get 320 lb mixture that is 9% protein/ A: cornmeal- 40lbs soybean-280 lbs 2.

15. ## Physics

A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The temperature of the air at the surface is 20 degrees Celsius, and the air temp 150 m down is 2 degrees Celsius. The density of

16. ## calculus ab

What is the integral of sin4xcos4x dx?

17. ## math

Can someone check over these problems for me? 1. The width of a rectangle is fixed at 28 cm. What lengths will make the perimeter greater than 70 cm? A: the length must be greater than 7 cm. 2. 7x=-63 A: x=-9 3. Is (-8.-9)a solution of 2x+4y=12 A: No 4.

A MAN HAS 6 HOUSES. INEACH HOUSE HE KEEPS 6 CATS. EACH CAT HAS 6 WHISKERS. AND ON EACH WHISKER SIT 6 FLEAS. A. HOW MANY CATS ARE THERE? B. HOWMANY WHISKERS ARE THERE ON ALL THE CATS? C.HOW MANY FLEAS SIT ON ALL THE CATS' WHISKERS? D. ANSWER THE LAST LINE

19. ## calendar

what is the origin of the months of the year?

20. ## Physics

You gave yourself 35 min to drive 23 miles to the party, but you are caught in traffic and average 20 miles/hour for the first 15 min. What is your average speed for the rest of your journey to the party. I am lost any help in approaching the problem

21. ## math

If A farmer uses a large tractor,she can plow a filed in eight hours. Her sister, using a smaller tractor can plow the same field in 12 hrs. How many hours would it take to plow the field if they worked together ? Express your answer as a mixed number and

22. ## math- logarithms

how do i solve these logs? log1/2 (3x+1)^1/3= -2 3^(x^3)= 9^x

23. ## English

Write a short essay on the aspects of Michael Longley’s poems (their content and/or style) that you found most interesting. Support your discussion by reference to or quotation from the poems you have studied.

24. ## statistics

what method gathering data may be best use for the following situations. 1.study about culture minorities. 2.study about pre-marital sex among college students and the respondents are friends or classmates. 3.the subject of study is patients in comatose

25. ## Science

During photosynthesis, plants produce something that humans need for survival. What is it?

26. ## cultural diversity

list two to three characteristics of orientalism. For muslim and Arabs. How many orientalism and prejudice contribute to hate crimes against these groups?

27. ## 4th Grade Math Correction

PLEASE HELP.I am sorry. I posted the question wrong earlier this evening. Instead of 300 it should have read: 3000 exercise books are arranged into 3 piles. The first pile has 10 more number of books than the second pile. The number of books in the second

Molar Heat of Fusion of Ice Experiment. Does the Temperature of a component of a system [cup of warm water from experiemtn] depend on the quanity of matter in the sample? two different ways to increase the temperature of a pan of cold water??? Does the

29. ## fine arts

1.Because of the style of some sculptures found in a Romanesque church, they are sometimes called: A. Bibles in Stone B. minaret C. illuminated manuscripts D. Psalters i think its either A or C 2.In which of the following painting is pigment applied to

30. ## Algebra Word Problem

I NEED HELP PLEASE!!!!!!!!!! Elena bicycles 7 km/h faster than Dennis. In the same time it takes Dennis to bicycle 60km, Elena can bicycle 81km. How fast does each bicyclist travel. Dennis travel_____ km/h Elena travel ______ km/h

31. ## ratios....unit rates

what is the unit rate of 120 b lbs/ \$15

32. ## Message to Students re Math

Just thought I would let you young'nes know that being a Mathematician has just been chosen as the most rewarding profession. http://online.wsj.com/article/SB123119236117055127.html?mod=yhoofron Now I know why I have been so happy all my life, lol So keep

33. ## m

Ok here are a few more 1. collect like terms 12r+6s-3r-9s A:9r-3s 2. translate to an algebraic expression The product of 46% and some number A: y=0.46x 3. In 1993, the life expectancy of males in a certain country was 61.3 yrs. In 1999, it was 64.7yrs. Let

34. ## math

PROBLEM TYPE YOUR SOLUTIONS HERE Section 3.1 pp. 219-222 #18 Add. Write the answer in lowest terms. Section 3.1 pp. 219-222 #38 Evaluate the following. Write the answer in lowest terms. 9-3=13 13+ 7 = 16 Section 3.1 pp. 219-222 #44 44. Number problem. One

35. ## algebra

find the dimensions of a rectangle if the perimeter is 10cm and the area is 3cm squared

36. ## grammar

What part of speech is the word loves in the sentence "Sarah loves dancing".

37. ## math

how do i solve these logs? log1/2 (3x+1)^1/3= -2 3^(x^3)= 9^x

38. ## science - pls help me ! i know i've sent it before

when we stand on a titled floor in our bare feet we feel cold but do not feel so cold if we are standing on a carpet. i wanted to ask has it got to do with heat energy as it is gaining the energy when your standing on the carpet and when your on the titled

39. ## Chemistry-12th

1]What do u mean by: Philosopher's wool 2]what will happen if door of refrigerator is open 3]How can we increase life of Daniel cell?

40. ## Algebra

mkayy. suhh i have this math question that i don't understand. Do these two exuations have the same slope? i know like ones a negative, other positive but Im confused. y=-3x-7 y=3x+33 So, same slope? yea? no? and what type of equations are they? like,

41. ## Science

I am a large mass of frozen water. I can move rocks and boulders. I move very slowly, but i cause great changes on Earth. What am I?

42. ## fine arts

How was the Romanesque church built (or modified) to accommodate the worshippers who took part in pilgrimages?

43. ## Literature

Can someone help me on this? its really urgent. what is Foil Character and Background Character? please don't give me the stage meaning just fiction. thanks. its really urgent.

The total bus fare was \$2.10. what was the distance travelled when the fare is 0.90 for first 1/3 km and 0.10 for each 1/8 additional kilometer

45. ## Math

Here is the question that I need to answer: Mr.T wanted to remodel his box, He wanted to make it the shape of a perfect regular dimension. A.) How many total degrees would the interior of Mr.T's decagon have? SHOW WORK. B.)How many degrees would each angle

46. ## math

13. If two planes leave the same airport at 1:00 PM, how many miles apart will they be at 3:00 PM if one travels directly north at 150 mph and the other travels directly west at 200 mph? A. 50 miles B. 100 miles C. 500 miles D. 700 miles E. 1,000 miles

47. ## music

4.What was origin of the blues and how did the blues influence jazz? 5.Who were the first important jazz musicians? 6.What changes came about in the 1930s?

48. ## author

after reading the authors biographies, choose two authors and describe how you think their lives shaped stories they wrote.

49. ## English

I have to plan for an essay. The essay is to do with Arcadia. I'm having a bit of difficulty. Why is Arcadia an artificial play? Please help

50. ## Math

If Bill drives 45 MPH and Jim leaves 2 hours later and drives 75 MPH and they both maintain constant speed, how long will Jim travel before passing Bill?

51. ## science

when we stand on a titled floor in our bare feet we feel cold but do not feel so cold if we are standing on a carpet. i wanted to ask has it got to do with heat energy as it is gaining the energy when your standing on the carpet and when your on the titled

52. ## fine arts

i need help comparing and contrasting the architectural details of the Early Christian basilica with those of the Gothic Cathedral. thnks

53. ## biology

what letter represents the nucleus of a cell?

54. ## Algebra

Give the domain for each of the following: 5+2y/6 5-r/r 2y+1/y+5 I don't get these so yea thank you!

55. ## technology

What is the proper way to put the transparency in the overhead projector? Help me please, I don't know how.

56. ## Calc

Can someone help me with this calc problem? lim as x->0 (tan^3 (2x))/(x^3)

same slope?? y=-3x+7 y=3x+33 and what type equation? dependent consistant? independent? inconsistant?

58. ## Math

63x^2 - 42x + 700 completely

59. ## social studies

witch religon spred all over the world

60. ## physics

what area of physics studies motion and its causes?

61. ## math

Write as an algerbraic expression 10 times higher than the chair's height h, plus 3 inches. Also\$3 more tha half of whaat Jason makes d.

Hey, I have some questions. How would I find the domain and range for these equations: y = -5x^2 + 1 y = 3x^2 + 3 x = -x^2 + 5 Also, how would I solve these equations: (2x + 2)^2 = 1 7x = 3x^2 - 1 Thanks for the help!

63. ## fine arts

More frequent use of stained glass windows was made possible by A. pointed arches B. flying buttresses C. illuminated paintings D. thicker walls i think its B or C

64. ## Math

I skakeboard 5 blocks west abd 8 miles north to get to my friend's house. Each block is 1/8 in length. How far does it take me to travel in a round trip to my friend's house? A mile is 5,280 feet and 1/8 mile is 660 feet. I am thinking 8 x 660 =5,280 or 1

65. ## music

Log on to MTVTr3s and answer the following question : What videos were voted Best of 2008 ? Name the artist and the Title of the Song ? mtvtr3s. com/music/ For some reason I could not find them?

66. ## math

Round 907.457 to the nearest tens place. A. 908.0 B. 910 C. 907.5 D. 900 E. 907.46 why wouldn't the answer be 908

300 exercise books are arranged into 3 piles. The first pile has 10 more books than the second pile. The number of books in the second pile is twice the number of books in the third pile. How many books are there in the third pile?

68. ## easy trig

If sin(theta)=[sqrt(70)]/7 and theta is in Quadrant two, find the exact numerical value of tan theta without using a calculator. I got tan(theta)=[sqrt(294)]/42 Is that right? if sin(theta)=-a where 0

69. ## Calculus

I rewrote the quesion y = sqrt (4 + sin 10x)

70. ## fine arts

In a few sentences can you give some information about Stonehenge and the cave paintings that were found in Spain by the two boys. Which is a greater achievement of these time periods?

71. ## fine arts

please check these: true or false- A minaret was a spiral tower _F A muezzin is a niche in the wall_F i need help in these three 1.Gothic style churches were not limited to France. 2.Two famous architects designed the dome of the Hagia Sophia 3.The Gothic

72. ## Sociology

Explain how having a negative self-schema affects oneâ€™s social interactions. How does social intelligence affect oneâ€™s responses in any given situation? How might a personâ€™s self-guides impact his or her perspective on the world? My

73. ## math

what would be a counterexample of this converse statement: If a and b are even number, then a+b is a consecutive odd number.

74. ## Metrics--Science

1000 grams=_______ (eight letter word) measure of the force of gravity acting on an object_____ (six letter word) How many seconds are in six hours?

75. ## math

What is finance charge and how do you figure it out?

76. ## Math

1. Soybean meal is 16% protein; cornmeal is 8% protein. How many lbs of each should be mixed together in order to get 320 lb mixture that is 9% protein/ A: cornmeal- 40lbs soybean-280 lbs 2. -0.7x50 3. 2+4x

77. ## calculus

the integral sign where 4 is on top and 2 is at the bottom (x/2 + 3)dx and im trying to find the areas to evaluate the intrgral

hi everyday my teacher gives us a paragraph to fix: grammar ,spelling,commas,ex.and i always fail.I don't understand how fix a paragraph or my rough drafts can you help me !!!!

79. ## Calculus

Need help to find dy/dx: 1) y = (sin x) ^-1/3 answer dy/dx = - 1/ 3(sinx) ^4/3 2) y = sqrt 8 + sin(6x) answer - lost

80. ## math

How do you decide where to put the decimal's on the "decimal chart"? (tens, ones, tenths, hundrendths) These are the numbers I need to place.... .073, 1.9, .8, .225, .604

81. ## science

I’m 16 years old from Cambodia. Please give me some science competition website available for me that use internet to have contest (mean that no traveling). Thanks!

82. ## BIOLOGY

what are other sciences that might provide information that is useful to biologists? i have not been able to find any internet websites that are helpful

83. ## english

join the sentence using not only------but also 1.Shopping malls are found in Delhi.Shopping malls are found all over the country.

84. ## social studies

The explorer LsSalle built forts for the French on his trips around the great lakes and beyond?

85. ## social studies

In the 1600s the French founded a colony in the Mississippi River Valley? True or False

86. ## math

write as an algebraic expression five trips of x mileseach, plus another 5.8 miles. i am thinking 5 x + 5.8

87. ## math

write as an algebraic expression five trips of x mileseach, plus another 5.8 miles. i am thinking 5 x + 5.8

88. ## Literature

This question is for anyone who has read Island of the Blue Doplphins by Scott O' Dell. I don't quite understand the ending, like what happens? They mention that the ship was sunk as it was going so does that mean that all of Karana's people died? Also,

89. ## chemistry

What mass of iron contains the same number of atoms as 70.05 g of nitrogen?

90. ## Calculus

More questions on - finding dy/dx 1) y = sqrt 4 + sin 10 x - I am lost again 2) y = 10/sin x answer: - 10 csc x cot x 3) y = sin x/ 8x

91. ## Accounts

A company produces just one standard product. The company's budgeted overheads for the next financial year are £80000. Other relevant information includes: Budgeted Production: 16000 units Cost of Raw Material per unit: £4 Cost of Direct Labour per unit:

92. ## comparative essay help

I'm an 8th student who has never doen a comparative essay before. I have to compare the lebanese civil war of 1975 from the fictional book I read about it and the research i did about it. The problem is they're the same.

93. ## French - Imparfait

I am doing a skit on being an annoying wife, questioning her husband on what he was doing and where he was. "where did you go after dinner" qu'as-tu fait après dîner ? or can I write Que faisais-tu après dîner? thanks in advance

94. ## psy

Need the definition of buttons that is within the central nervous system. Happy new year. rose. I cannot find it anywhere. please help.

asked by rose - Ms. Sue
95. ## Spelling

I need help with finding contractions. I need to find 3 will/shall contractions (I need 9 but I already have I'll, She'll, He'll, They'll You'll, We'll). Then I need 6 is/has contactions (I also need 9 and I have She's, He's, It's). Then I need 11 not

96. ## simple trig

If sin(theta)=[sqrt(70)]/7 and theta is in Quadrant two, find the exact numerical value of tan theta without using a calculator. I got tan(theta)=[sqrt(294)]/42 Is that right? if sin(theta)=-a where 0

97. ## problem of the week

there are three children in the mocks family. the sum of the ages is 60. how old are the three children in the mocks family?

98. ## social studies

how old was john adams when he first went to school a)4 b)5 c)6 d)7

99. ## physics

finding the acceleration of a simple pendulum g= 4pi^2 x length/T^2 T^2= 2.28 length= 70cm

100. ## science

What part of the vertebrae provides an articulation point for the ribs?

What foods have all 3 organic compounds and are good for health? And why?

102. ## swo wg

what is the city, located on the Conagree River, that is the capital of south carolina?

103. ## biology

How does the process of photosynthesis impact the flow of energy and the cycling of nutrients

104. ## science

if you had 1.5 liters of water, how many millilimeters would you have?

105. ## Biochemistry

When do plants carry out aerobic respiration

106. ## Biology

What is the name of the type of bacteris that live in harsh environments? is the answer, archaebacteria?

107. ## calculus ab

What is the integral of sin4xcos4x dx?

108. ## ETH 125

Why do you think there is a lack of Asian American professors? What are some of the types of problems that Asian Americans are experiencing?

109. ## science

my project is to use 4 index cards, scotch tape, and elmers white glue. I have to make something that will hold the weight of a text book without breaking. also it has to be one inch off the ground but no more than one inch. need help please

110. ## social studies

how many represnatives that are in the house of represenatives are from texas

111. ## physics

a force of 50 N directed at an angle of 45 from the horizontal pulls a 70 kg sled across a frictionless pond. the acceleration of the sled is most nearly

112. ## government

how many total representives make up congress

113. ## social studies

how many represenatives are from houston

114. ## social studies

how long is a term for a represenative

115. ## social studies

how long is a term for a senate

what is the technical element to write to be advanced?

117. ## Math

How do you bisect angles?

118. ## Geography

what is the biggest holiday for followers of Shinto?

119. ## social studies

how was alexander influenced by greek culture

120. ## Math

Plz help kay!! How do i ge 40 into 100?

121. ## Math

Box A has 3 black marbles and 2 white ones, Box B has 2 black marbles and 1 white one. If i close my eyes and pick a blaack marble to win a prize, which box gives me the best chance of winning?

The manager of a vacation resort has claimed that, on average, a guest spends at least \$3000 at the resort during a one week stay, including meals and entertainment. A member of the accounting staff does not believe the amount is that high. They authorize

I am haveing trouble with Complete Subjects and Predicates. We have to write a short paragraph about an organization whose purpose we admire.

124. ## science

what are the prefixes in the metrics system

125. ## calendar

what are the meanings of the months of the year?

I need help with this input output table.

127. ## math

Jordan's pet, king, grew between 2 and 6 inches a month for 4 month. how many inches could he have grown?

128. ## math

1/2|6y-9| +5 is < or = 2 i solved it and got two fractions but the answer is 0 can anyone explain? btw this is absolute value inequality.

129. ## Science

wat dus magnesium + oxygen equels

130. ## Physics

In my last post, I'm confused how drwls got P2/P1 = 14.8

bud not buddy vocabulary words list

132. ## Algebra

2n(x-n)=x-5n+2 Solve for x

134. ## algebra

I'm in algebra class, and my graphing calculator isn't allowed. So I'm trying to get used to using a ti-36xsolar. I can't figure out how to put in simple algebraic expressions though, like 2x+1. In my graphic calculator, i could put that in and it solves

135. ## music

Log on to MTVTr3s and answer the following question : What videos were voted Best of 2008 ? Which is your favorite and why? mtvtr3s. com/music/

136. ## psychology

can someone answer my last two questions?

137. ## grammar

what is the difference between a predicate and a verb? is a predicate a type of verb and if it is then how can i tell when it is just a verb and when it is a predicate

138. ## Math

find the domain of the following: 2x ___________ x^3+x^2-6x

139. ## history

what are the major exports iof new hampshire?

Yesterday some people (was, were) practicing musical numbers.

n=(3/5)2N=

142. ## science

what is chemical energy and physical energy?

were

144. ## 4th Grade Math Correction

drwl,thanks so much for your help. You are right I do not understand the method that you used. I was trying to do it the way you described before giving me the answer and it was not working.

145. ## Oral mark

ello we are doing speeches in Language i am new to canada so i have never done a speech before so how do you you start and end it? i don't have enough information.

146. ## Ordinary people

Chapter 7, Why does Karen say they should be careful about who they see? It is because Karen likes Conrad? OR that she's telling Conrad to control his life and live his life??

147. ## Basic Biology

What is the process by which oxgen get into the blood in the capillaries?

148. ## time

How many degrees are there in a clock? Example: how many degress from 10-11? or How many degrees from 3-3:01

149. ## math

write the equation of a line with a y-intercept of -3 and passes through the point (2,4)

150. ## Oral report

I have to do an oral report and i have never realy written one before so how should i start off, like should I say my name or talk about the topic ...? Thanks: Leslie

151. ## SS/WGeogrophy

which lake does the equator pass through: Lake Victoria,Lake Malawi,or lake Chad?

152. ## science

can you give me examples of lipids (examples of food)

For examples of carbohydrates if eggs one of them