# Questions Asked onMarch 10, 2010

1. ## 12th grade

A bicycle wheel has a radius of 0.330 m and a rim whose mass is 1.20 kg. The wheel has 50 spokes, each with a mass of 0.010 kg. a.) Calculate the moment of inertia of the rim about the axle. b.) Determine the moment of inertia of any one spoke, assuming it

2. ## Precalculus

Explain why there does not exist a point on the horizontal axis whose distance from (5,4) equals 3. HELP!!

3. ## health and disease

How do disease impact the delivery of health care services, such as treatment options and resources available today to the public?

4. ## Math

Block A & B slide on lubricated surfaces for which friction is .1. knowing that the system is released from rest, determine the velocity of block B after 5 seconds block A is 10 N block B 20N and block B is on a 30 degree incline connected to a at top of

5. ## English

1. Did you apply the cosmetics on your face? 2. Did you wear the cosmetics on your face? 3. Did you put the cosmetics on your face? (Are all correct and the same? Can we use 'lotion' instead of 'cosmetics?)

6. ## eth125

what do yopu predict the effect on hispanic and latino panethnicity to be the future

asked by lisa smith
7. ## English

1. Give me five grapes from the bunch of grapes. 2. You should call the Internet connection company. Then you can get the Internet installed, but you should have your ailen card. 3. Interview two of your new friends and write down the information of the

8. ## Algebra

How do you find the function to a problem quickly? For example: A tennis club holds a doubles tournament every spring. This year the club has 40 teams involved. At the end of each round half of the teams are eliminated. How many rounds must be played to

9. ## trig

prove: tan*2x-sin*2x=sin*2xtan*2x

10. ## Precalculus

Suppose f is a function with exponential decay. Explain why the function g defined by g(x)=1/f(x) is a function with exponential growth. PLEASE HELP!!

11. ## chemistry

lets just say that 5g of solid benzoic acid burns under gaseous oxygen atmoshphere. Temperature increases from 20c to 50c. So is this exothermic so the sign is negative? how is it not the same as 2 mol of solid iron (C = 25.1 J/(mol K)) is heated from 20C

12. ## english

How can I make this a better five –sentence paragraph using chronological order to arrange the details of the paragraph? Signing to my homepage is simple. First I go to the school website which is ………. . Then I click on student login. Then I enter

13. ## chemistry

Rank these elements in terms of increasing atomic radius AI, F, Sr, N, Cs

14. ## Math

I need help with this problem. I have to prove that cos^2(2x)-cos^2x = sin^2x-sin^2(2x)

15. ## chemistry

Given the equilibrium constant values: N2 + 1/2O2 >>> N2O ; kc = 2.7 * 10^-18 N2O4>>>>2NO2 kc=4.6*10^-3 1/2N2 + O2>>>NO2 kc = 4.1 * 10^-9 What is a value of Kc for this reaction? 2N2O + 3O2 >>> 2N2O4

16. ## College chemistry

A buffered solution is made by adding 50.0 g NH4Cl to 1.00 L of a 0.70 M solution of NH3. Calculate the pH of the final solution. (Assume no volume change.)

17. ## physics

The MASS OF A SATELLITE IS 2000Kg .DETERMINE THE WEIGHT OF OF THE THE SATELLITE WHEN IT IS (i)resting on the earth (ii) 1000km above earth surface

18. ## physics

Two billiaard balls rolls to one another under an angle of 45°. Ball A have a speed of 3m/s and follows a track along the positive x-axis. Ball B moves on a track towards the x-axis and comes from the left top corner with a speed of 2m/s. Calculate the

19. ## 4th grade

Analogies an impression is to ____ as an image is to see.

20. ## biology yr 12

please help i have 2 biology questions. identify examples of transgenic species and their uses, in both plants and animals. and use available evidence to debate the ethical issues arising from the development and use of transgenic species. thankyou :)

21. ## ALGEBRA

help me solve 6/z+8 = 5/z-3? do i first find the lcd?

22. ## ALGEBRA

Janet can shovel snow from her driveway in 55 minutes. Jim can do the same job in 35 minutes. How long would it take Janet and Jim to shovel the driveway if they worked together? ____ minutes ??

23. ## ETHICS IN MANAGEMENT

Write a 1,050- to 1,200-word paper on personal ethics development that examines your personal ethical system and ground rules, including its origins and development.

24. ## ALGEBRA

I need help finding the LCM of (8+3w) (64-9w^2) (8-3w)

25. ## ALGEBRA

Maria bicycles 7 km/h faster than Carlos. In the same time, it takes Carlos to bicycle 42km, Maria can bicycle 63km. How fast does each bicyclist travel?

26. ## physics

how will the weight of a 20 kg object change if it was in a lift that accelerates at 4 m.s?

27. ## ALGEBRA

If I am dividing the following: x^2+3x over x^2+2x-3 by x over x+1.. i know to do the recip. of x over x+1 and get the foll. x^2 + 3x over x^2 + 2x -3 times x+1 over x... now (x^2+3x)(x+1) over (x^2+2x-3)(x) now x(x+2)(x+1) x(x+2)(x-1) the x+2 over x+2 = 1

28. ## biology

This is to do with genetics and drosophila. There are 3 pairs of characteristics - body colour, eye colour and wing length. The parents are all from pure-breeding lines. First Cross P1: male-grey body, normal wings female-black body, vestigial wings F1:

29. ## maths

Determine the coordinates of the point on the curve representing the function f(x)=ln(2x-1) where the tangent is parallel to the line with equation 2x-5y=0 Thanks for any help!

30. ## chemistry

What is the expression and numerical value for the equilibrium constant for the following: Ag+ + Cl- = AgCl(s) using the Ksp= 1.8*10^-10 of AgCl please show how its calculated.

31. ## Maths

Calculate the area of the surface bounded by the curves representing the functions f(x)=x²+6x and g(x)=4/(x-2). Thank you in advance If possible, help with this question aswell: Calculate f'(x)=(e^2x - ln(2)). Between ln(2) and 0. I know you integrate the

32. ## probability

A cooking recipe lists 6 ingredients which must be mixed in the correct order. Unfortunately the bottom of the page on which the correct order was given has been burnt off. Suppose that you make a guess at the correct order. What is the probabilty that you

33. ## health policies

How have major policies shaped health care for the older adult?

34. ## physics

A COPPER BLOCK ,MASS 500g AND AT 200 DEGREES CELCIUS GIVES OUT ENERGY AT AN AVERAGE RATE OF 50W. (i)what is temperature after 5 min ? (ii)how long will it take before its temperature drops to 50 degrees celcius

In one of my assignments I'm suppose to explain the types of input text in business case analysis. I read my book and the resource book but all it says is that there are more types of input texts than the case study itself. :S I tried searching online for

36. ## calculus

How do you prove that the total area of a four-petaled rose r=sin2x is equal to one-half the area of the circumscribed circle?

37. ## calculus

Find an interval of t-values such that c(t)=(2t+1,4t-5) parametrizes the segment from (0,-7) to (7,7). What do you do???

38. ## 9th grade

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mile per hour and train B is traveling at 125 mile per hour. Train A passes a station at 3:15pm. If train B passes the same station at 3:27 pm at what time

39. ## Engliash

Need some help from teachers :) On Friday I am teaching Phrasal verbs (ninth grade,learning English as a foreign language, introducing Phrasal verbs) Anyway, I need some funny ideas on how to practice phrasal verbs (not the typical fill in exercises) but

40. ## 9th

Solve for: -20

41. ## managerial accounting

Using the data below please do the following in an Excel spreadsheet and e-mail it directly to me. 1. Prepare an income statement using variable costing (25 points) 2. Compute the unit product cost under both absorption and variable costing (10 points) 3.

42. ## Algebra

what is the equivalent expression of 94 + xy

43. ## Algebra

Collect like terms 18r^2 + 7s + 4r^2

44. ## Math

Use factoring to solve the quadratic equation. 5x2 - 25x + 30 = 0

45. ## Algebra

In a triangle ABC, angle B is three times angle A and angle C is 5 degrees less than 6 times angle A. Find the size of the angles.

46. ## math

Factor completely, or state that the polynomial is prime. 375x^3 - 192y^3

47. ## math

1.Use factoring to solve the quadratic equation. x2 - 64 = 63x

48. ## math

Factor completely, or state that the trinomial is prime. 3y^3 + 15y^2 + 18y

49. ## math

Factor using the formula for the sum or difference of two cubes. x^6 - 27y^3

50. ## English

Can you check the grammar in the following statements I need to prepare for tomorrow, please? I just want to make sure that the use of the prepositions and pronouns is correct. Thank you very much in advance. 1)A simile is a stated comparison between two

51. ## English

I forgot to include the following statements. I really hope you can correct them as well. 8)The wind goes away from her house or the wind left her house? 9)The omniscient narrator can be divided into obtrusive and unobtrusive (is it correct? Or would be

52. ## chemistry

how could you determine whether all the potassium chlorate had been decomposed after heating it using the law of definite composition?

53. ## chemistry

why is the law of definite composition important?

54. ## math

I have a couple of math questions that i cant seem to get to work out. can someone help me please.? 1.) (x/x+6)-(6/x-6)=(x^2+36)/(x^2-36) 2.) (r-2)-(2-r)=0 3.) add (8/ty^2)+(9/t^2y) 4.)add (7/w)+(8/w^2) 5.)add ((r+10)/r)+(r/(r+10)) 6.) divide

55. ## 7th grade

Nikki read 896 pages of her book this week. How many pages is this per day?

56. ## MATH

CAN SOMEONE HELP ME WITH THIS PROBLEM HAT SIZE HEAD CIRCUM. HEAD CIRCUM- 7 1/2 20 3/5 60 X X 59 FOR THE FIRST X ROUND TO THE NEAREST EIGHT INCH. fOR THE SECOND X ROUND TO THE NEAREST FIFTH INCH AS NEEDED.

57. ## Chemistry

Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

asked by Andrew Howard
58. ## Maths

if q>0, how can u use the graph of y =sin theta to draw the graph of y =sin theta +q?

59. ## social studies

in what way could putting a tariff on foriegn shoe imports result in a disadvantage to the untited states economy or to the United states consumers.

60. ## Chemistry

Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

asked by Andrew Howard
61. ## physics

A boy pulls a sled of mass 5.0 kg with a rope that makes an 60.0° angle with respect to the horizontal surface of a frozen pond. The boy pulls on the rope with a force of 10.0 N; and the sled moves with constant velocity. What is the coefficient of

62. ## geography

can you tell me what cultural influences? means

63. ## geography

Which statements describe cultural influences? 1)Florida is bordered by water on three sides. 2)French is spoken in parts of Louisiana. 3)Forests are cleared to provide space for cattle grazing. 4)Male children are encouraged to attend the university.

64. ## help

A group of five students needs to break into two smaller groups in order to tackle the two different assignments associated with a larger group project. Naturally, they feel that it would be most fair to break into groups of two and three. How many ways

65. ## calculus

How do you find the area of the intersection of the circles r=sinx and r=cosx?

66. ## arithmetic

The sum to t of an Arithmatic Sequence is 1/2 t(5t-1).Determine the k term

67. ## geometry

The bases of a trapezoid measure 1/4 and 3/8 inches, and the height is 1 inch. What is the area of the trapezoid?

68. ## SCience

An RC-circuit has a time constant of 6x10-3 seconds. The capacitor stores a maximum energy of 8 J, when charged using a 3-Volt battery. Using the same battery, we want to increase tenfold the amount of stored energy, while keeping the same time constant

69. ## Geography

Which statement is not a benefit of increased development? A)improved access to health care B)increased wealth C)more even distribution of resources D)reduced unemployment i think i might be (B) beacuse it is not benefit the increased development.

70. ## MATH

tan è = RISE OVER RUN, RISE IS 10 AN D RUN IS 6 tan è = 10/6 SOLVE è

71. ## com 220

I have to write a thesis statement on a topic I am going to write on my topic is Racism this is my thesis statement. How can I improve it? Why did racism start, as we are all the same? The first step is to identify how racism started and why people are

72. ## BIOCHEMISTRY

WHAT CONCENTRATION OF SOLUTION DO YOU GET IF YOU DISSOLVE 45G OF GLUCOSE (MOLECULAR WEIGHT =180) IN 500ML OF WATER?

73. ## math

Factor completely, or state that the polynomial is prime. 375x^3 - 192y^3

74. ## physics

A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 10.5 g, the mass of the block is 10.5 kg the

75. ## ALGEBRA

to solve the following: 4-s over 7-s = 3 over s-7... LCD is s-7 then (s-7)(4-s over 7-s) = (s-7) (3 over s-7)? am I on the right track???

76. ## Algebra

log3 (2x – 1) – log3 (x – 4) = 2

77. ## english

do good stereotypes always have to send out good messages towards those good people?

78. ## Nath(Urgent Please check)

1)Complete the identity sec Q - 1/sec Q Does this equal -2tan^2Q?

79. ## law of definite composition

when performing an experiment using potassium chlorate and heating it to form potassium chloride what reasons can you offer for any differences between your results and another lab group in your class?

80. ## math

A set of data is normally distributed with a mean of 16 and a standard deviation of 0.03. What percent of the data is between 15.2 and 16?

Find P(5,2).

82. ## Math

How many ways can 9 keys be arranged on a circular key ring?

83. ## Math

Find the probability of tossing exactly 2 heads on 3 tosses of a fair coin.

84. ## Physics

Tarzan swings on a 27.0 m long vine initially inclined at an angle of 33.0° with the vertical. (a) What is his speed at the bottom of the swing if he starts from rest?(b) What is his speed at the bottom of the swing if he pushes off with a speed of 3.00

85. ## math logic

A group of five students needs to break into two smaller groups in order to tackle the two different assignments associated with a larger group project. Naturally, they feel that it would be most fair to break into groups of two and three. How many ways

86. ## physics

When an automobile moves with constant speed down a highway, most of the power developed by the engine is used to compensate for the mechanical energy loss due to frictional forces exerted on the car by the air and the road. If the power developed by the

87. ## Math

Find the first three iterates of the function f(x)=x^2-2,if the initial value is -2.

88. ## Math

Two cards are drawn at random from a standard deck of 52 cards. What is the probability that both cards are queens?

89. ## Math

Write 0.36 as a fraction.

90. ## geography

Members of which economic alliance can live, work, even vote in any member nation? A)NAFTA B)OAU C)EU D)ASEAN i really don't know this one maybe a but im very unsure

91. ## chemistry

What happens when : (give balanced chemical equations only) 1. Caustic soda reacts with carbon dioxide 2.caustic soda reacts with zinc hydroxide 3.potassium reacts with oxygen 4.sodium carbonate is fused with silicon dioxide 5. when bleaching powder reacts

92. ## chemistry

How aluminium is extracted from its BAUXITE ORE which contains Fe203 and Sio2 as impurities?

93. ## math

Short math quadractic equation word problem*best answer? josh buys concert tickets worth \$180, he then keeps 2 of the tickets and sells the rest for 9 dollars more, he make a total profit of \$36, after selling all the tickets. what was the original ticket

94. ## Geography

Employment opportunities for more than five hundred people will be lost when New Development Solutions, Inc., closes its headquarters in the city of Nowhere, USA. What are effects that the closing of New Development is likely to have on Nowhere? 1)Service

95. ## Chemistry

Name the following compounds by IUPAC system : 1. [ Cr (NH3)3 Cl3] 2. Na4[Fe (CN)6 ] 3. Fe4[Fe (CN)6]3 4. [Ag(NH3)2] OH 5. [Cr(NH2-Ch2-ch2-NH2)3]cl3

96. ## chemistry

How hydrogen on large scale is prepared from water? How SODIUM METAL on large scale is prepared from common salt?

97. ## math

josh buys concert tickets worth \$180, he then keeps 2 of the tickets and sells the rest for 9 dollars more, he make a total profit of \$36, after selling all the tickets. what was the original ticket price? howmuch people bought the ticket?

98. ## biology

Why fresh water fishes pass dilute urine? what is " Meroblastic clearage" ?

99. ## English

I have to fix sentences. these are the ones i am stuck on.. It was a surprise to both Marys and I to learn that Switzerland didn't give women the right to vote until 1971. Each of the young women in the Family Life class decided not to marry after they

100. ## physics

Show that beta = 3 alpha Why a gas has two heat capacities?

101. ## chemistry

DATA TABLE 1: DATA FOR REACTION MIXTURES Tube Number Pb(NO3)2 NaI Height Ppt. (cm) Maximum Theoretical Yield Ppt. (mol) (mL) (mol) (mL) (mol) 1 2.0 0.5 16.0 0.5 0.6 2 4.0 0.5 14.0 0.5 1.3 3 6.0 0.5 12.0 0.5 1.8 4 8.0 0.5 10.0 0.5 1.5 5 10.0 0.5 8.0 0.5 1.7

102. ## chemistry

DATA TABLE 2: SPOT TESTS OF SUPERNATANT SAMPLES FROM REACTION TUBES Substance Added Tube 1 Ppt.? Tube 2 Ppt.? Tube 3 Ppt.? Tube 4 Ppt.? Tube 5 Ppt.? Tube 6 Ppt.? Pb(NO3)2 yes yes no no no no NaI no no no yes yes yes reagent present in excess How do I

103. ## physics

Two charges of -5 x 10(power -6) C and 3 x 10(power -6) C are placed at distance of 200mm from each other , find point on the line joining the charges at which electric field is zero.

104. ## chemistry

Pb(NO3)2 6.0mL 0.5 mol NaI 12.0mL 0.5 mol What is the mole ratio between Pb(NO3)2 and NaI?

105. ## Math 157

five numbers are to be picked, without repetition from 44 numbers to determine the winner of the fortune five game in the state lottery. If the order of the numbers is insignificant how many different ways can a winning quintuple be seleted? what is the

106. ## chemistry

What is the mole ratio of the reactants in a tube containing: Pb(NO3) 22.0mL 0.5 mol NaI 16.0mL 0.5 mol

107. ## chemistry

What is a complete ionic equation for the reaction between Pb(NO3)2 and NaI?

108. ## trig

A plane is flying at an elevation of 30000 feet. It is within sight of the airport and the pilot finds that the angle of depression to the airport is 18. Find the distance between the plane and the airport. Find the distance between a point on the ground

109. ## trig

The captain of a ship at sea sights a lighthouse which is 280 feet tall. The captain measures the the angle of elevation to the top of the lighthouse to be 25. How far is the ship from the base of the lighthouse?

110. ## college

For the reaction P4(s) + O2(g) = P4 O10(s) Identify the limiting reaction mixture conataining 1.00 mol each of P4 and O2

111. ## World Religion

Studying for midterms and trying to absorb all this. Does anyone know: Is the Upanishads the philosophical portion of the Rig-Veda? The duties (dharma) of each class. Where they found in the Mahabharata? Thanks

112. ## physics

A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 10.5 g, the mass of the block is 10.5 kg the

113. ## to make equal

NH4+ + So4-2 + Zn+2 + 2Cl- -->>

114. ## Chemistry- Solubility Curves

If 50 grams of water saturated with potassium chlorate at 23*C is slowly evaporated to dryness, how many grams of the dry salt will be recovered? I know that I should know this.. But it has 50 grams of water instead of 100. ): Please, someone tell me how

115. ## Chemistry

How many grams of CH3OH must be added to water to prepare 420.0 mL of a solution that is 5.0 M CH3OH?

116. ## Chemistry

What volume (mL) of a concentrated solution of sodium hydroxide (2.00 M) must be diluted to 600.0 mL to make a 0.860 M solution of sodium hydroxide? Express your answer to the nearest tenth mL.

117. ## Chemistry

In a titration of 26.0 mL of 0.840 M H2SO4, __________ mL of a 0.200 M KOH solution is required for neutralization. Express your answer to the nearest 1/10 mL. Hint: remember H2SO4 is a diprotic acid

118. ## english

What is the predict in the sentence The naval aviators were physically abused in horrible ways.

119. ## psychology

What would cause prices to drop? Which of the following would cause prices to drop? A.) Increased production by business. B.) Increased taxes on business. C.) Higher levels of demand by consumers. or D.) A reduction in the money supply. I would truly

120. ## science

how do i draw a simple particle diagram to show how ear defenders will work

121. ## world geography

the belief_____, or rebirth,is part of the hindu religion

122. ## financial Accounting

Johnson's boat yard Inc., is completing the accounting process fr he year just ended, Novembe. 30, 2010. The transactions during 2010 have been journalized and posted. The following data with respect to adjusting entries are available: On October 1,2010,

123. ## chemistry

How many miles of sodium hydrogen carbonate would be needed to react with 150.0 g of sulferic acid?

124. ## math

A \$5,000 loan is offered for 18 months at 7.50% compounded quarterly. For full marks your answer(s) should be rounded to the nearest cent.

125. ## Math

Simplify: 1-m ——— m ————— m-1 — m

126. ## geography

Culture is seldom a factor in world conflict. A)True B)False i think its false

127. ## Math

Consider the equation below. (Give your answers correct to two decimal places.) f(x) = 8sin(x) + 8cos(x) 0 ≤ x ≤ 2 (a) Find the intervals on which f is increasing. (Enter the interval that contains smaller numbers first.) ( , ) union ( , ) Find the

128. ## geography

Employment opportunities for more than five hundred people will be lost when New Development Solutions, Inc., closes its headquarters in the city of Nowhere, USA. What are effects that the closing of New Development is likely to have on Nowhere? 1)Service

129. ## Math

A juice mix requires the addition of 32 oz of water for every 12 oz of juice concentrate. How much juice mix may be made from 15 oz of concentrate?

130. ## geography

Members of which economic alliance can live, work, even vote in any member nation? A)NAFTA B)OAU C)EU D)ASEAN i think its A or C am i right

131. ## Literacy

PROVIDE EXAMPLES OF SUCCESSFUL PRACTICE OF PHONICS FOR ENGLISH LANGUAGE LEARNERS AND BUILDING LANGUAGE DEVELPMENT TOWARD FLUENCY

132. ## Medical Assittant (college)

How do you fill out medical insurace and legers and stuff for a patient?

133. ## Mathtoo

what is the least common denominator of 3/5+1/3

asked by Hailey Lane
134. ## Geography

What impact did the dissolution of the Union of Soviet Socialist Republics have? A)affected nations throughout the world B)decreased conflict in eastern Europe C)increased communism throughout the world D)none its B right

135. ## math

4 times the sum of a and b

136. ## Global History

What was the role of the Nazi party? Why were Jews denied citizenship?

137. ## trig

I don't understand how to do this type of question? If 9cos^2 theta +3cos theta=0, where 90 degrees

138. ## Pre-Cal

1) Solve the equation exactly for x: log3 x - log3(x-3) = 2 I got 1 as an answer. Is this correct? 2) Find the cotangent of the base angle of an isosceles right triangle. sqrt3 / 2. Is this correct?

139. ## trig 30

For csc^2 A-1/cot A csc A, what is the simplest equivalent trig expression? The answers I have to choose from are sin A, cosA, tan A or csc A, but I don't know how?? csc theta= 1/sin theta but its ^2. Help please I don't even no where to begin

140. ## Math

Solve the proportion x-4/9=x/18

141. ## geography

What was the Nationalists' attitude toward reform in China? They wanted foreign powers to retain spheres of influence in China. They disliked foreign interference but were influenced by Western ideas. They advocated a working-class revolution to defeat the

1)tan 5 degrees + tan 25 degrees / 1 tan 5 degrees tan 25 degrees = sqrt 3 / 3 Am I correct? 2) Complete the identity tan^2Q - 3sinQtanQsecQ = -2tan^2Q Correct?

143. ## 6th grade

in this sentence - Grandma has just made chocolate chip cookies, what part of speech is the word "just"??

144. ## physics

Determine how much water would be present in a 10 tonne sample of lignite, has a moisture content of 65%, before crushing and drying. 10 tonnes is 10,000 kg.

145. ## chemistry

Fe2O3 + 3CO --> 2Fe + 3CO2 a 16.2 L sample of CO at 1.5 atm and 200 C is combind with 15.39 g Fe2O3. how many moles of CO are available for the reaction? what is the limiting reacta? How many moles of Fe are formed?

146. ## Biology

Need help with these--- 14. Which of the following is present in an insect but not in arachnids? a. mandibles b. compound eyes c. jointed appendages d. segmentation 16. The exoskeleton of an insect a. does not have any muscles attached to it b. is moved by

147. ## ReAdInG sTraTEGieS

what is characterization based on? Please define these preffixes and suffixes: pre,re,com,non,ish,ward,less,ment,en,ize

asked by nO oNe
148. ## psychology

Bob Hotchkins is in the 28 percent tax bracket.A tax-exempt employee benefit with a value of 500 would have a tax-equivalent value of: a) \$694 b) \$528 c) \$500 d) \$360 IS C CORRECT ANSWER?THANK YOU:)))

149. ## visual

I have to do a poster board filled with stuff that represents thanksgiving. I'm all out of ideas. What else could i possibly put on there?

150. ## college

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 Miles per hour and train B is traveling at 88 miles per hour. Train A passes a station at 1:20 am A.M. If train B passes the same station at 1:35 A.M., at

151. ## phi 105

Write a 200- to 300-word critique of the article who_ is Holy? _As it relates to religious philosophy. Answer the following questions: oDo you believe a person's religious views should affect their treatment of others? Explain your answer.

152. ## college

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 Miles per hour and train B is traveling at 88 miles per hour. Train A passes a station at 1:20 am A.M. If train B passes the same station at 1:35 A.M., at

153. ## english

Can you writeacher please tell whether or not the following sentences are all possible?As they are not dictionary definitions, I just like to know if they are grammatically correct. 1) An external narrator stands outside the story/is a voice outside the

154. ## Math

Is there a difference between solving a system of equations by the algebraic method and the graphical method? Why or why not?

155. ## 9th grade

the debate club needs \$240.00 to attend a debate tournament. the club decides to sell iced tea and lemonade at baseball games. iced tea will be sold for \$.50 per cup and lemonade will be sold for \$.80 per cup. write the equation to find how many cups of

156. ## physics

A 770 N man stands in the middle of a frozen pond of radius 9.0 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1.2 kg physics textbook horizontally toward the

157. ## Math 30 Trig

For the equation 4 cos theta - sqrt12 =0, where 0< theta < or equal 2pi determine the measure of theta. One answer I got was 2pi/3, 4pi/3 and another time it totally different 5 pi/6, 7pi/6. Are either of these right if not HELP!

158. ## ALGEBRA

If you are subtracting fractions like 8-y over y-4 MINUS 7y-9 over 4-y... will the LCD be y-4? I'm stuck on this!!

1)tan 5 degrees + tan 25 degrees / 1 tan 5 degrees tan 25 degrees = sqrt 3 / 3 Am I correct? 2) Complete the identity tan^2Q - 3sinQtanQsecQ = -2tan^2Q Correct?

160. ## algebra

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 Miles per hour and train B is traveling at 88 miles per hour. Train A passes a station at 1:20 am A.M. If train B passes the same station at 1:35 A.M., at

161. ## geography

Which of the following statements regarding European colonization of Southeast Asia is not correct? The Europeans cared little about existing ethnic boundaries and drew up boundaries for their own profit. Boundaries created by the European colonists

162. ## chemistry

in a vessel, 0.6 mol Ba(NO3)2 and .3 mol H3PO4 are combined w deionized water to a final vol of 2 L. 3Ba(NO3)2 + 2H3PO4 --> Ba3(PO4)2 + 6HNO3 1. Calclate mass of Ba(PO4)2 formed 2. calcualate pH of HN03 3. What the concentation in mol/L of the nitrate ion

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163. ## Physical Science

A 9-Volt battery is used to charge a 280 mF capacitor over a 81 Ohms resistance. How long will it take for the capacitor to reach 75% of its maximum charge? What formula is relevant?

164. ## algebra

there are 9 subjects, how many schedules of 5 classes are possible?

165. ## Physics

Tarzan swings on a 27.0 m long vine initially inclined at an angle of 33.0° with the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? (b) What is his speed at the bottom of the swing if he pushes off with a speed of 3.00

166. ## science

the first manned rocket was built in what state

asked by terry morgan
167. ## english

Has any one of you ever been criticized at a point in your life? If you have then how has it felt? Do you take criticism to be your weakness or strength.

168. ## English

I forgot to include the following statements I need to prepare for tomorrow. Thank you very much for your last corrections writeacher! 1)An omniscient narrator has an unlimited point of view OR He tells the story from an unlimited point of view. An

169. ## geography

Which of the following statements regarding European colonization of Southeast Asia is not correct? The Europeans cared little about existing ethnic boundaries and drew up boundaries for their own profit. Boundaries created by the European colonists

170. ## computer science

write a program that calculates a customer's monthly bill. it should input customer name, which package the customer has purchased, and how many hours were used. it should then create a bill that includes the input informtion and the total amount due. the

171. ## physics

how to see if the barber has cut your hair properly at the back?

172. ## Managerial Finance

Jefferson Products, Inc., is considering purchasing a new automatic press break, which costs \$300,000 including installation and shipping. The machine is expected to generate net cash inflows of \$80,000 per year for 10 years. At the end of 10 years, the

173. ## physics

Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string. (one mass is on the incline, the other is hanging from the pullye) The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between

174. ## Math 6th

Why do eskimos wash their clothes out tide? (can only be 10 letters)

175. ## Chemistry

I've got the specific heat of a metal for three trials. t1= .186 j/gdegrees C t2= .178 j/gdegrees C t3=.128j/gdegrees C the mean of the specific heat is .164 j/gdegrees C we're supposed to find which metal it is from a "CRC" handbook. I've tried and can't

176. ## Intro to algebra

2 + 5(x - 9) = -18 what does X equal?

177. ## pre algebra

Solve the equation 0.1 / 48 = x / 960

178. ## computer science

write a program that asks for the starting time and minutes of the call, and displays the charges. the program should ask for the time to be entered as a floating-point number in the form HH.MM. for example, 07:00 hours will be entered as 07.00, and 16:28

179. ## Calculus

Find constants a,b and c such that the graph of f(x)=x^3+ax^2+bx+c will increase to the point (-3,18), decrease to the point (1,-14) and then continue increasing.

180. ## chemistry

in an experiment a sample of hydrocarbon was analyzed. The sample contained6 g of carbon and 1.344 g Hydrogen. a) whats the empirical formula? the density of hydrocarbon at 25 C and 1.09 atm is 1.96 g/L b.) whats the molar mass of the hydrocarbon? c) whats

181. ## Math116

Solve by elimination 5r-3s=13 3r+5s=69

182. ## 2nd grade

2nd grade math measurement

183. ## chemistry

liquid heptane C7H16 is completely combusted to produce CO2 and H2O: C7H16 + 11O2 --> 7CO2 + 8H2O the heat combustion for one mole of C7H16 is -4.85*10^-3 CO2 heat of comb. = -393.5 H2O h of c= -285.8 a) calc. the vale of heat of cumbustion for C7H16 in

184. ## Travel and Tourism

I have to do an assignment for Daytona Beach and I just mentioned why one would want to visit the city. Now, my teacher said, "You may also include other information on the economy." Should I mention Daytona's economy and if so, I would like to know what

asked by AL 87

(3xa)/6=2

186. ## Physics

A skier of mass 76 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 40 m up a 30° slope (assumed frictionless) at a constant speed of 2.5 m/s? J I know that the answer to the first problem is 14896Joules, but I do

187. ## Math - Calculus

Show that the equation log y = 1.54 - .008x - .658 log x is equivalent to y = 34.7 (1.0186)^(-x) * x^(-.658)

188. ## rotations

If the coefficient of static friction between tires and pavement is 0.7, calculate the minimum torque that must be applied to the 63-cm-diameter tire of a 925-kg automobile in order to "lay rubber" (make the sheels spin, slipping as the car accelerates).

189. ## algebra

The speed of train A is 6 mph slower than the speed of train B. Train A travels 230 miles in the same time it takes train B to travel 260 miles. Find the speed of each train?

190. ## algebra

The OfficeJet printer can copy Maria's dissertation in 18 min. The LaserJet printer can copy the same documents in 14 min. If the two machines work together, how long would they take to copy the dissertation?

191. ## computer science

a bank charges \$10 per month plus the following check fees for a commercial checking account: \$.10 each for fewer than 20 checks \$.08 each for 20-39 checks \$.06 each for 40-59 checks &.04 each for 60 or more checks write a program that asks for the number

192. ## algebra

Find all numbers for which the rational expression is undifined 8/8y+7

193. ## Works Cited

I copied a photo off a website, but it has no author. Should I mention the site only for my Works Cited page?

asked by AL 87
194. ## physics

A sample of anthracite has a moisture content of 5% when mined and an energy density of 35 kJg-1 when completely dried. Assuming that during combustion, the temperature of the water in the un-dried coal is raised from 20.0oC to 100.oC, and then vaporized

195. ## science

what would happen if there were no decomposers in an ecosystem?

asked by priscilla Perez
196. ## Literacy

provide examples of successful practices of pnonics for English Language Learners and building language development toward fluency

197. ## english

I need to write a sentence using the words: fingernails,trees, when,fill,for,homework.The words HAVE to stay in th same order,and you can't change thier tenses. Also a sentence with these words in this order:Laughed,teeth,fighting,to, still,not,

198. ## Algebra 2

2e^x - 3 =1 I got x= .6931 is this right?

199. ## Math

Ted put several different integers in order from least to greatest. He then put the same integers in order from greatest to least. Both times the same n umber was third in order.

200. ## rotations

A force FT is applied to a cord wrapped around a pulley with moment of inertia I = 0.435 kg·m2 and radius R0 = 33.0 cm. (See the figure.) There is a frictional torque τfr at the axle of 1.10 m·N. Suppose the force FT is given by the relation FT = 4.00t

201. ## Chemistry/Physics

"Colbalt-60 is a radioactive isotope used to treat cancers of the brain and other tissues. A gamma ray emitted by an atom of this isotope has an energy of 1.33 MeV (million electron volts; 1 eV = 1.602*10^-19 J). What is the frequency (in Hz) and

202. ## calculus

Find the direction of A= I did arctan (12/-5) and added 180 because x was negative and got 105.13 degrees. I missed the question on the test though. What did I do wrong?

203. ## math

A graphics designer wants to use a star-shaped polygon with 10 points and a point angle of 12 degrees. What should be the dent angle of this polygon?

204. ## chemistry

Identify the quantity that is calculated y dividing the molar mass of an element by Avogadro's number. I don't get this question..?

205. ## math

Give the dimensions of a picture frame that is a golden rectangle.

206. ## math

solve 2/3 + 4/6

207. ## Math

Three questions, what is -7 3/10 - -4 4/5? -1 5/9 x -2 1/7? -12 divided by 1/3? How do you solve them?

208. ## Science (Ecology)

I need to search for an organization that works toward Water Development, other than World Water. I have to include what it does, countries of operation and funding

209. ## statistics

if the mean of a set of data is 23.00, and 12.60 has a z-score of -1.30, then what is the standard deviation?

210. ## Math 30

If cos theta = -sin theta,then sin^2 theta is what?

211. ## classroom instruction

different approaches you may use for teaching controversial versus noncontroversial subjects. Identify the subjects and provide a specific example of each type of instruction.

212. ## trig 30

If cos^2 theta -6 sin 2 theta =0, one value of theta is a)0 degrees b) 90 degrees c)180 degrees or D)255 degrees. Please show me how to do it and not just give answer cause I have two more questions that are similar. Thanks so much.

213. ## Math

If I have ((square root of 13)+(6))^2 would it be factored as -((square root of 13)+(6))((square root of 13)-(6)) or -((square root of 13)+(6))((square root of 13)+(6)) ?

214. ## child care management

One reason early childhood education centers have become increasingly important providers of health education is that A.schools are more sanitary than 70percent of home environments. B. younger, healthier teachers and classroom aides have emereged. c.

215. ## french

How do you differentiate the prepositions for bodies of water. I know seas are feminine and oceans are masculine, but what prepostions do you use?

216. ## Chemistry

In stoichiometry, chemists are mainly concerned with a. types of bonds found in compounds b. energy changes occuring in chemical reactions c. mass relationships in chemical reactions d. speed with which chemical reactions occur i thought c?

217. ## Algebra

There are 357 seniors in Harris High School. The ratio of boys to girls is 7:10. How many boys are in the senior class?

asked by in need of help
218. ## Chemistry

How many grams of iron ion are in 11 grams of K3Fe(C2O4)3?

219. ## Chemistry

How many moles of water can be made from 4 moles of oxygen gas and 16 moles of hydrogen gas? What is the Limiting Reagent?

220. ## Chemistry

How many moles of water can be made from 4 moles of oxygen gas and 16 moles of hydrogen gas? What is the Limiting Reagent?

221. ## Physical Science

Two parallel transmission wires are laid between electrical towers. The distance between towers is 200 m, while the separation between the parallel wires is only 2.5 m. If the wires carry each a current of 1000 A, the magnitude of the force between the

222. ## math 116

After solving a system of linear equations, how can you check your answer to determine whether it is correct? Demonstrate the process of checking an answer with an example.

223. ## math

point c (2,1) is the midpoint of line segment ab. Find the coordinates of points a and b if they are both on axes. explain and justify your reasoning

224. ## Chemistry

Suppose you want a mixture that contains 2.5 grams of iron ion and three times as many moles of oxalate ion as moles of iron. If the iron comes from iron(iii)chloride and the oxalate ion from K2C2O4, how many grams of each of the compounds should you

225. ## topic

Help!!! what is the purpose of cultural celebrations? why do people bring thier cultuarl celbrations and festivals to new countries?

226. ## math

The volume of a rectangular prism is 2x^3+5x^2+x-2. The height of the prism is 2x-1, and the length of the prism is x+2. Find the width of the prism.

227. ## math 156

Describe two different ways that you could represent the number 0.80.

228. ## 12th grade math

What is the distance between the origin and the point (5, 12)? If necessary, round your answer to two decimal places.

229. ## classroom instruction

Teachers do need to establish ground rules about discussion: students should learn to listen politely to each other, and to agree to differ on occasion. Teachers can model calm and polite behavior, without giving in to irrationality. It is important to

230. ## chemistry

Assume you are performing the calibration step of Experiment 8 and you begin with 50 g of water at 20 oC and 50 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

231. ## Physics

Find the orbital speed of an ice cube in the rings of Saturn, if the mass of Saturn is 5.67 × 1026 kg and the rings have an average radius of 100,000 km.

232. ## Writing

Okay, I'm back. :) This is long, sorry! Here is the prompt: Explore the role of women in Archaic Greek society as presented in the literature examined in class. **You might consider how women were viewed relative to men, how they interacted with men, how

233. ## Pre-Cal

1)tan 5 degrees + tan 25 degrees / 1 tan 5 degrees tan 25 degrees = sqrt 3 / 3 Am I correct? 2) Complete the identity tan^2Q - 3sinQtanQsecQ = -2tan^2Q Correct?