# Questions Asked onSeptember 30, 2011

1. ## Chemistry

A sample of propane,C3H8, contains 14.4 moles of carbon atoms. How many total moles of atoms does the sample contain?

2. ## trig

Find all angles θ between 0° and 180° satisfying the given equation. (Enter your answers as a comma-separated list. Round your answers to one decimal place.) cos θ = 1/7

3. ## science (chem)

consider the fo9rmula for Al2(SO4)3,which is used in perspirants: a. how many moles of sulfur are present i 3.0 moles of Al2(SO4)3 b. ow many moles of aluminum ions are present in 0.40 mole of Al2(SO4)3 for a and b i multiplied by 6.02*1023 power andgot

4. ## trig

A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 4 mi apart, to be x = 27° and y = 53°, as shown in the figure. (Round your answers to two decimal places.) (a) Find the distance of the plane from point

5. ## math

a rectangular dield isto be enclosed with1120ft of fencing. If the length of the field is 40ft longer than the width, then how long is the field?

6. ## math

Suppose that the format for license plates in a certain state is two letters followed by four numbers. How many different plates can be made if repetitions of numbers and letters are allowed except that no plate can have four zeros?

7. ## language arts

15 literary devices in chapter 17 of to kill a mockingbird

8. ## physics

An experimental rocket car starting from rest reaches a speed of 560 km/h after a straight 450 m run on a level salt flat. Assuming that acceleration is constant, answer the following questios. (a) What was the time of the run? Your answer is incorrect. s

9. ## Science

How many hydrogen atoms are in a molecule of C8H10N4O2? wouldnt it just be 10?

10. ## physics

A 3.20 kg block is in equilibrium on an incline of 29.6 The acceleration of gravity is 9.81 m/s2 . What is Fn of the incline on the block? Answer in units of N

11. ## chemistry

What is the molarity of a solution containing 8 grams of solute in 500 mL of solution? Round to the nearest hundredth. Don't forget the unit! (gram formula mass of solute = 24 g)

12. ## physics

A stone is thrown from ground level at 70m/s. Its speed when it reaches its highest point is 48 m/s. Find the angle, above the horizontal, of the stone’s initial velocity.

13. ## statistics

Suppose that the number of accidents occurring in an industrial plant is described by a Poisson process with an average of 1.5 accidents every three months. During the last three months, four accidents occurred. (a)probability that no more than 12

14. ## finance

Sterling optical and Royal Optical both make glass frames and each is able to generate earnings before interest and taxes of \$120,000.Debt @12% \$600,000 Debt @12% \$200,000, Common stock, \$5 par 400,000 Common stock, \$5 par 800,000,Total 1,000,000 Total

15. ## statistics

A retail store has implemented procedures aimed at reducing the number of bad checks cashed by its cashiers. The store's goal is to cash no more than eight bad checks per week. The average number of bad checks cashed is 3 per week. Let x denote the number

16. ## math

A basket with 12 apples has mass of 3105 grams. The same basket w 7 apples has a mass of 1980 grams. Each apple has same mass. What is mass of the basket

17. ## English Honors

Can you please verify my answers if I got em' right? Thanks, They are: 1)C or D (think it's C) 2)B or C (plz help this one) 3)C 4)A 5)B 6)C 7)D 8)A 9)A 1) Which of the following statements BEST describes Benjamin Franklin's Autobiography? A) It expounds

18. ## math

Given that AC and AE are common external tangents of circle G and circle D, FE = 15, GF = 3, and AG = 5, which is the length of AC?

19. ## Physics

The target is to be dropped from the point A at t = 0, the same moment as the gun is ﬁred. The bullet hits the target at a point P. Let the initial speed of the bullet be v0 = 106 m/s, let the angle between the vector v0 and the horizontal (x) direction

20. ## Geometry

In parallelogram ABCD, P is mid-point of AB.CP and BD intersect each other at point O. If area of triangle POB = 40 cm^2, find : (i) OP :OC (ii) areas of triangle BOC and PBC (iii) areas of /\ ABC and parallelogram ABCD ? ?

21. ## Chemistry

Is it true that Na+ and K+ are always spectator ions in reactions that involve sodium and potassium compounds

22. ## physics

A 22 kg box rests on the back of a truck. The coefficient of static friction between the box and the truck bed is 0.369. The acceleration of gravity is 9.81 m/s2 . What maximum acceleration can the truck have before the box slides backward

23. ## Geometry

In triangle ABC, side AB = 10, side AC = 13, and side BC = 16. What is the measure of the larges angle in degrees?

24. ## statistics

A scale measuring prejudice has been administered to a large sample of respondents. The distribution of scores is approximately normal with a mean of 31 and a standard deviation of 5. What percentage of sample had scores 1) Below 20 2) Above 40 3) Above 20

25. ## Physics

You and your friend are practicing pass plays with a football. You throw the football at a 35.0° angle above the horizontal at 19.0 m/s. Your friend starts right next to you, and he moves down the field directly away from you at 5.50 m/s. How long after

26. ## Physics

The target is to be dropped from the point A at t = 0, the same moment as the gun is ﬁred. The bullet hits the target at a point P. Let the initial speed of the bullet be v0 = 106 m/s, let the angle between the vector v0 and the horizontal (x) direction

27. ## !!MATH!!

A decroative floor pattern has one red square tile surrounded by 12 blue tiles. Write and evaluate an expression to show how many total tiles (red and blue) are needed if there are 15 red tiles. Then make a table showing the total number of tiles if there

28. ## English

"The Scarlet Ibis" interpretive essay help. Directions: James Hurst, the author, makes the observation that "pride is a wonderful, terrible ting, a seed that bears two vines, life and death." These words are central to the meaning of the story. The phrase

29. ## Chemistry

Calculate the number of moles of molecules in 20.11 g of oxalic acid. H2C2O4 calculate the number of oxygen atoms in 20.11 g of oxalic acid

30. ## physics

Four light bulbs (A, B, C, D) are connected together in a circuit of unknown arrangement. When each bulb is removed one at a time (and subsequently replaced), the following behavior is observed while it is removed: A B C D A rem * on on on B rem on * on

31. ## geometry

The following gives a geometic sequence 2, P Q 250 find the values of P and Q

32. ## Math

The tens digit of a two-digit positive integer is 2 more than three times the ones digit. If the digits are interchanged, the new number 13 less than half the given number. Find the given integer. (Hint: Let x = tens-place digit and y = ones-place digit,

33. ## statistics

The credit card industry has determined that about 65% of college student ls will be late making a minimum payment when paying their credit card every year atleast once. If 10 randomly selected students who own a credit card is selected what is the mean

34. ## math

Hannah and francine have \$120. Hannah and peter have \$230. Peter has 6 times as much money as francine. How much money does hannah have?

35. ## Geometry

In triangle ABC, side AB = 10, angle B = 65 degrees, and angle C = 45 degrees. What is the length of side BC?

36. ## Chem 112

An equilibrium was established after 0.100 mol of hydrogen gas and 0.100mol of iodine gas were added to an empty 1.00L reaction vessel and heated to 700K. The color intensity of the mixture changed from deep purple to a lighter purple color. At

37. ## chemistry

how many moles of H2SO4 are required to react with 2.63 mol of AL

38. ## chemistry

A compound of nitrogen and oxygen is 36.8% nitrogen. A second compound of nitrogen and oxygen is 25.9% nitrogen. What is the ratio of masses of oxygen in the two compounds per gram of nitrogen?

40. ## chemistry

What is the molarity of a solution containing 8 grams of solute in 500 mL of solution? Round to the nearest hundredth. Don't forget the unit! (gram formula mass of solute = 24 g)

41. ## statistics

A state has averaged one small business failure per week over the past several years. Let x denote the number of small business failures in the next eight weeks. Use the Poisson distribution to find P(x ¡Ý 17) if the mean number of small business

42. ## statistics

A telephone company's goal is to have no more than five monthly line failures on any 150 miles of line. The company currently experiences an average of 3 monthly line failures per 75 miles of line. Let x denote the number of monthly line failures per 150

43. ## physics

A projectile is launched at a speed of 141m/s and an angle of 45 degrees. How fast is it moving at the top of its curved trajectory?

44. ## Reiny I NEED YOU

Your cousin can afford a monthly house payment of \$675 if her bank is offering financing of 5.2% compounded monthly, on a 30 yr conventional loan, how much money can she afford to borrow for the purchase of a home?

45. ## Investment

1.If a stock's return has a large standard deviation, that suggests the stock has little risk is tru or false. 2.If the return on two stocks is highly and positively correlated(i.e., correlation coefficient=+1.0), combining these stoocks will reduce the

46. ## English

Can you help me check this letter, please? 1) teach German in a high school with an emphasis on applied sciences. Our students are between 13 and 18 years old and are all motivated to learn. 2) They will therefore go to university at the end of 3) The

47. ## American Government

The judiciary’s status as an independent branch of the national government rests on judicial review, which grants the judiciary the authority to: a. decide which laws apply to a particular case. b. ignore public opinion when making decisions. c. strike

48. ## psychology

Which one of the following statements describes the relationship between genes, chromosomes, and DNA? a. Genes, the basic unit of heredity, are located on chromosomes, which consist of strands of DNA.b. Genes are composed of chromosomes and DNA. c.

49. ## physics

A passenger with mass of 80 kg stands on the floor of an elevator of mass 250 kg as it accelerates upward with an acceleration of 3 m/s^2. Determine the tension in the elevator cable. Draw a free-body diagram.

50. ## Algebra

What is 54 over 72 in simplest form

51. ## statistics

is it unusual for the mean of a sample 3 to 115 or more?

52. ## Math

To a class of 28 pupils, 12 new pupils whose average age is 10 months less than the average age of the 28 are added. By how many months is the average age of the whole class lowered?

53. ## Sociology

Which of the following would be classified as a messianic movement? Jim Jones's Temple of God the American labormovement the Ku Klux Klan the women's movement please help. thanks

54. ## physics

A rocket-powered hockey puck has a thrust of 2.20 and a total mass of 0.700 . It is released from rest on a frictionless table, 2.90 from the edge of a 2.80 drop. The front of the rocket is pointed directly toward the edge.

55. ## Physical Science

An electric hoist lifted a load with a mass of 250kg to a height of 80m in 39s , Calculate

56. ## Physics

A 2.40 kg mass, m, on a frictionless table is moving in a circle with radius 0.500 m at a constant speed. m is attached to a 5.70 kg mass, M, by a cord through a hole in the table. Find the speed with which m must move for M to stay at rest

57. ## Academic and Professional Success

You are working with another student on a group project and the portion the classmate submitted to you does not meet the expected criteria. You are concerned because you have worked very hard on your portion and really want an "A". You are not comfortable

58. ## Statistics

sara is a healthy baby who was exclusively breast-fed for her first 12 months. what is more likely a description of her weights (at 3, 6, 9, and 12 months of age) as percentiles.

59. ## PHYSICS

Tom the cat is chasing Jerry the mouse across a table surface 1.4 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 4.8 m/s. Where will Tom strike the floor? Your answer was incorrect,

60. ## Physics

A rocket-powered hockey puck has a thrust of 2.20 newtons and a total mass of 0.700 kilograms . It is released from rest on a frictionless table, 2.90 meters from the edge of a 2.80 meter drop. The front of the rocket is pointed directly toward the edge.

61. ## ETh126

Describe other measurements sociologists utilize to calculate prejudice.

62. ## psychology

Brad wonders if he will have a problem later in life with alcoholism. His father is an alcoholic and his great-grandfatheer had a problem holding a job due to his drinkng habits. After reading this lesson, Brad believes that a/an ______ study would give

63. ## Social Studies

Hi. I ahave this assignment for social studies ] Here is the assignment WHERE I LIVE USING THE FIVE THEMES OF GEOGRPAHY PROJECT DUE: MONDAY, OCTOBER 3, 2011 TASK: Your family and friends want to come to your town. Use the 5 themes of geography to describe

64. ## Algebra

A roof rises 2.3 feet vertically, and 7.4 feet horizontally. What is the grade of the roof? I do not understand how to even find what the grade would be..can anyone help?

65. ## geomtry

Martin and Patrick have a model of an airplane which they want to duplicate. Martin uses a string and ruler to make approximate measurements of lengths to duplicate the picture. Patrick uses a pencil and paper and duplicates the picture without the help of

66. ## fractions

ShayLea said that if you multiply the numerator and denominator of a fraction by the same number,you get an equivalent fraction. Is this true? Why or why not? Me and my dad do not know. Please send answer tonight!!!

67. ## Diophantine Equations (Algebra 2)

A box contains two sizes of bolts. The small size weighs 33 grams. The large size weighs 103 grams. The total weight of the bolts is 6526 grams. How many of each size are there? Can you write and solve it with Diophantine Equations.

68. ## math

This is a riddle, and I'm supposed to find a 5-digit number from it..... My thousand's digit is the first that is perfect, but if you're not happy with that, it's also the product of the first two primes. My units digit is the odd of those two primes, and

69. ## accounting

Describe the relationship of the financial statements used in the financial plan for 2010 for Patton-Fuller Community Hospital.

70. ## Physics

Four identical metallic objects carry the following charges: +1.46, +6.39, -4.06, and -9.94C. The objects are brought simultaneously into contact, so that each touches the others. Then they are separated. (a) What is the final charge on each object? (b)

71. ## Physics

How fast would a rocket have to be going in order to completely leave the solar system? (For the second part of this problem, assume that the Sun is the only mass in the solar system and that the rocket is beginning its journey from Earth's orbit?)

72. ## Physics

How does the resultant of two vectors change as the angle between the two vectors increase?

73. ## math

each member of the committee has agreed to sell 50 tickets to the fair. student tickets r \$3 each and adult tickets r \$5 each. let t represent the number of student tickets that u sell. write a simplified expression in terms of t for the total amount of

74. ## investment

publicly-owned stock that is not listed on an exchange is traded in the over-the counter markets such as that Nasdap stock market, true or false. systematic risk is reduce through diversification is true or false unsystematic risk considerrs how firms

75. ## math

determine an accurate figure for the labour element ( labour hours per tonne) for fixing of (a) 10 mm, and (b) 16 mm reinforcing bar ( which, together , make reinforcement cages for the unit).it is a well established fact that the labour rate for fixing

76. ## Algebra 2

Solve. 4a-2≤a+1≤3a+4 4a-2-1≤a+1-1≤3a+4-1 4a-3-3≤a≤3a+3-3 4a/3-6/3≤a≤3a/3 4a/3(1/a)-2≤a≤a(1/a) 4/3-6≤a≤1 I got lost at this part. I'm not sure what to do now, if i am solving it correctly. Solve. 3x

77. ## Psychology

Nature of Traits: Interactionism: Observe a social gathering. Write a 200 to 300 word response to the following: What influence does culture have on personality? Do you see a person's reaction to something as separate from social experience or as a result

78. ## COM 156

Is this a good thesis statement and introduction for my essay? Have you given any thought to where you will live when you are "on your own" - out in the world earning a living? You will have many decisions to make as you look for a place to call home. In

79. ## Biology

The shrunken gene of wheat encodes a large enzyme that converts glucose to starch in its grains. How would insertion of a 1 kb transposon into codon 23 of this gene affect the protein produced from this allele? A. The protein would be longer and still

80. ## History

The monroe doctrine was proclaimed in repose to revolution in____________. southern europe or latin america. I choose latin america

81. ## chem

If the initial pressure of HD(g) is 2.270 atm, calculate the % decomposition of HD(g) when the reaction comes to equilibrium according to the balanced equation. The value of Kp at 727.0 °C is 0.26. The initial pressure of the reaction products is 0 atm.

82. ## chemistry

A foundry releases 6.0 tons of gas into the atmosphere every day. The gas mixture contains 2.5% sulfur dioxide (SO2) by wieght. How many pounds of SO2 are released in one week?

83. ## Physics

How fast does a rocket need to be going to break free of Earth's gravity? How fast would it have to be going in order to completely leave the solar system? (For the second part of this problem, assume that the Sun is the only mass in the solar system and

84. ## Psychology

Nature of Traits: Interactionism: Observe a social gathering. Write a 200 to 300 word response to the following: What influence does culture have on personality? Do you see a person's reaction to something as separate from social experience or as a result

85. ## Math A

Soybean meal is 12%protein corn meal is 6% proteinhowmany pounds of each should be mixed together in order to get 240pounds mixture that is 11%protein?

86. ## math

A 150-foot-long ramp connects a ground-level parking lot with the entrance of a building. if the entrance is 8 feet above the ground, what angle does the ramp make with the ground. draw the picture

87. ## Physics 1

A mass of 17 kg is placed on a frictionless incline which is inclined at an angle of 59 degrees above the horizontal. It is held in place by a rope which is attached to a wall at the top of the incline. The rope is angled 17 degrees above the direction

88. ## chemistry

explain why wheather ballons are not completely filled with gas before they sail into the upper astmosphere

89. ## american history

Among instances of corporate malfeasance in the early twenty-first century, the _______ scandal was the most shocking and economically damaging for employees and shareholders.

90. ## Physics

Posted earlier but I wrote it incorrectly. How fast would a rocket have to be going in order to completely leave the solar system? (Assume that the Sun is the only mass in the solar system and that the rocket is beginning its journey from Earth's orbit?)

91. ## psychiology

Wihtin groups, differences in intelligence are highly correlated with _______. Between groups, differences are highly correlated with __________. a. heritability; environment b. environment; genes c. heritability; random error in measurmemt d. genes; the

92. ## Math

a. Suppose a market research company finds that at a price of p = \$30, they would sell x = 58 tiles each month. If they lower the price to p = \$18, then more people would purchase the tile, and they can expect to sell x = 70 tiles in a month’s time. Find

93. ## math

Which value(s) of x should be excluded for the polynomial? x squared minus 16 over x squared minus 6x + 9 A. 3 B. 3 and -3 C. 4 D. 4 and -4

94. ## Informal Logic

Construct a deductive argument that is valid but not sound. Then, construct a valid deductive argument that is sound. Be sure to put the argument in premise-conclusion form.

95. ## anatomy and physiology 1

during an emergency room examination for an injured arm, the physician palpates the arms entire lenght starting at he shoulder and ending at the fingers of the hand , this process takes him from an

96. ## diwali

Why is Diwali celebrated? Diwali is one of the biggest festival of Hindus, celebrated with great enthusiasm and happiness in India. The festival is celebrated for five continuous days, where the third days is celebrated as the main Diwali festival or

97. ## SAT

Do people accomplish more when they are allowed to do things in their own way?

98. ## geometry

Divide the following quantities in the give ratio 90me in the ratio 4:1

99. ## Math

How many inches are there in 355 millimeters?

100. ## science

How many hydrogen atoms are in a molecule of C8H10N4O2? wouldnt it just be 10?

101. ## Chemistry

I need help balancing this problem HClO3(aq excess) + CaCO3 I got to HCO3 + CaCiO3

102. ## English

I'm posting you the sentences again. Thank you for your corrections. 1) I teach German in a high school with an emphasis on applied sciences. Our students are between 13 and 18 years old and are all motivated to learn. 2) They will therefore go to

103. ## Chem

The initial concentration for the compounds involved in the reaction displayed were determined to be [NO2(g)] = 1.243 mol/L, [N2O4(g)] = 0.2578 mol/L. Calculate the value of the equilibrium constant (Kc) at 500.0 K if the equilibrium concentration of

104. ## Math

To a class of 28 pupils, 12 new pupils whose average age is 10 months less than the average age of the 28 are added. By how many months is the average age of the whole class lowered?

105. ## Geometry

What scale factor is needed for a similarity transformation to transform a cube into a cube with twice the volume?

106. ## algebra

11 divided by 12 +b= 5/6

107. ## psychology

One reason that new traits keep arising is because of genes' ability to spontaneously: a. divide b. split c. multiply d. mutate I chose D, am I right?

108. ## College Physics

A ball is thrown upward at a speed v0 at an angle of 53° above the horizontal. It reaches a maximum height of 8.2 m. How high would this ball go if it were thrown straight upward at speed v0?

109. ## Math

h=-16t2+v0t+h0; rewrite ht

110. ## Physics

At 1:00 p.m. a car, traveling at a constant velocity of 96 km/h toward the west, is 24 km to the west of our school. How far from the school will it be at 3:30 p.m.? Answer in units of km. I've been attempting this problem for at least 30 minutes and not

111. ## algebra

if a)=0.65 and b)=1.28 and c)=-5/2,evaluate -a-(-b)+c

112. ## Statistics

A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10. - - Find the mean of this sampling distribution. - Find the standard error of this sampling distribution.

113. ## physics

write down the formula and calculate the increase in length of a steel beam 17.5 metres in length under the following conditions; 1. the temperature of the steel has risen from 18 degrees celcius to 63 degrees celcius

114. ## Aforismos, Axiomas, Teoremas y Anologías?

Ok one more question about Historia del hombre que se convirtió en perro. I was informed today that for my presentations I also have to identify any aforisms, analogies, teoremas and axioms in this story. I personally knwo they exist in the concept of the

115. ## english 1301

need help correcting run on setences

116. ## CHEMISTRY

I TOOK 510 ML ETHYLENE GLYCOLE & 60 ML H2SO4 WHAT COLOR SOLUTION I GOT?

117. ## math

Evaluate: 2xto the ninth power-(y+z) x=-1 y=7 z=-7

118. ## statistics

The distribution score for a city wide math test scores results in a mean of 70 and a standard deviation of 12. What score is 2 standard deviations above the mean?

119. ## Sociology

1)Efforts by an elite to control all forms of organizational life in a society are known as totalitarianism. True False 2)No society actively bans homosexual practices. True False i think for 1) its true for 2) its false?

120. ## PROBLEM SOLVING IN MATHEMATICS

you have 13 bags of gold wins. out of 13 bags gold coins, there is one bag gold coins lighter. assume that one real gold coins is 10g and the fake is 9g. now, you are given a electronic beam balance. find the most minimum ways to figure out which bag of

121. ## science

How far away from the earth does acceleration due to gravity become 1% of its value at the earth's surface. Assume that the earth is a sphere of radius 638000000cm.

122. ## Counseling

Hello, I need help with this question, What factors in today's culture hinder wives from pursuing the C-H-A-I-R-S approach to a relationship as in the book Love and Respect by Eggrich's. I was thinking employment and wives being powerful, thanks

123. ## egd

Hi I need help,I have to draw a floor plan of 1 bedroom house.Can you please help me out.

124. ## chemistry

a balloon has 1.2l of a gas is at 1.1 atm.What will be the volume of the baloon if the baloon is placed in a partial vacuum with a pressure of 0.35atm?

125. ## COM 156

I"m writing a essay for class and this is the rough draft can you please read and let me know what kind of changes I need to make to it. Have you given any thought to where you will live when you are "on your own" - out in the world earning a living? You

126. ## College

Does Harvard University have art & creative writing classes cause I want to become a artist & a creative writer (when writing books, short stories, novels, & poems). I'm just asking. I look on the website but it really confusd me. Please also what is

127. ## psychology

within each gene, elements of DNA are arranged in a particuler order., forming a code that influences the synthesis of particular proteins. This code affects every aspect of the body, from its structure to the chemicals that keep it running. the above

128. ## psychology

One way to explain why gene frequencies change is that individuals with traits that are adaptive in an environment will stay alive to reproduce. over generations their genes will become more common. This process describes: a. evolution b. natural selection

129. ## psychology

According to Noam Chomsky, language is primarily aquired through a. an innate module b. our parents correcting us c. imitating our parents d. trial and error I chose B Am I correct?

130. ## psychology

A wealthy, married man in China is having an affair with a beautiful young woman, who seems primarily attracted to his financial status. At the same time, similar situations are occuring across other races and nations. Sociobiologists would say that: a.

131. ## Chemistry

Calculate the number of moles in 22.6 g C3H7OH 22.6g C3H7OH x 1 moL C3H7OH /60.11g C3H7OH = 0.375 molC3H7OH Am I right

132. ## english

I've done a few google searches, but how can I find someone who's influencing poverty in the state of Georgia? i need to find anyone who's doing anything to solve the problem of poverty, in any way. Can someone please help me..?

133. ## physics

how long will it take

134. ## marketing

briefly explain the benefits of consumer behavior

135. ## Science

The problem I'm trying to answer is: Ann is driving down a street at 59 km/h. Suddenly a child runs into the street. If it takes Ann 0.719 s to react and apply the brakes, how far will she have moved before she begins to slow down? Answer in units of m. I

136. ## English

Can you help me check these sentences on Macbeth, please? Thank you. 1) When Macbeth enters, he tells his wife that he has done the deed. But they are both nervous, for they ask each other a series of quick questions about noises they have heard. Every

137. ## geometry

finding endpoints don't quite understand it. M-LN if L coordinates are -3,-1 and M coordinates are 0,1

138. ## Geometry

What scale factor is needed for a similarity transformation to transform a square into a square with twice the area?

139. ## history

Who is a current or historical figure that is principled and how? Definition: Able to demonstrate rightness and fairness between others. Able to take responsibility for their actions.

140. ## geometry

a rectangle has sides of x+3 and x-4 what value of x gives an area of 78?

141. ## geometry

What is the perimeter of a rhombus with a side of 6 and an altitude of 5?

142. ## Chemistry

calculate the mass of 8.766 x 10^ 25 molecules of acetic acid , HC2H3O2

143. ## Economics

You have \$1000. You can spend it on a TV or put the money in the bank at 4% interest for a year. What is the opportunity cost of buying the TV today?

144. ## Sociology

Norms of sexual behavior vary widely around the world. True False i think true..

145. ## english

How do I write a research proposal in third person point of view and future tense?

146. ## trigonometry

I need help finding the key points for the graph y=1/3 cos x and y=-sin 2piex/3 I just don't understand how to graph this and find keypoints.

-13

148. ## government

WHO FORMED THE CABINET

149. ## Calculus

lim X--> 0 from the left (9/x - 9/|x|) Find the limit if it exists

150. ## Math

Find f(infinity) for the complex function: f(z) = (iz-5)/(8z+3i) Thanks, John

151. ## statistics

For a distribution in which the mean is 100 and the standard deviation is 12, find the following: the percentile of a score of 106.

152. ## English

You are attending a professional conference and are privileged to be introduced to Carol Peters. You knolw nothing about her except she is an executive at a very successful company. You have an idea that you would like to talk over her. How should you

153. ## englishhhhhhhhhhhhhh

Graham,Judith. “Happiness is Contagious:New Study Finds.” Chicago Tribune: Health (4 Dec 2008) 16 Dec 2008. . is this correct now helpppp english plzz - Anonymous, Friday, September 30, 2011 at 3:42pm #7- "So suggests a new study proposing that

154. ## mesqite high school

Is this sentence punctuated correctly? The oil from Eucalyptus trees which are native, to Australia is known for its medicinal properties

155. ## English

I forgot to add these following sentences. Thank you very much. 1) Our school has got about 1000 students and is situated in a hilly area, about 60 km from Florence. It is world renowned for its production of red wines and white truffles. 2) It is also

156. ## basic concepts and organ systems

exam 40975100

157. ## English 122

How will I be contacted with my reply to my question i asked?

158. ## math

examples of role play in math with dialogues and characters

159. ## Econ

You are thinking about investing \$100,000 in a new product. Sales expections are \$95,000. If R & D will cost another \$3,000, should you invest in the product? Explain.

160. ## math

how do I solve using the multiplacation method -2x>1/9

161. ## Math

What transformation of the complex plane lifts to the rotation of the unit sphere by 180 degrees about the line whose equations are x=y and z=0 in R^3? (three dimensional plane of all reals)(I think that's what that means R^3?) Thank you! Jared

162. ## psychology

The sentences," lee gave the ball to LYNNE" and Lynne received the ball from Lee,"have the same: a. surface structure b. syntax c. surface and deep structures d. deep structures I chose A, is that right?

163. ## math

suppose you want to build a stright line fence that is 300ft long. If you place the posts every 10ft, how many posts do you need?

i have no clue how to write a paragraph about the spanish conquistadors! i need help please

165. ## math

how do you write setember30th 2011 in five letters without using numbers??

166. ## High School

How many credits do I have to get in order to pass high school? just asking?

Solve. 3

168. ## helpppp english plzz

hey i did the following and the bottom bottom is my teachers comment i really need help in correcting them plazz i need the corrections asap :( before i fail Each of the following exercises shows the original source, and then a student’s sentence and/or

169. ## math

investigate the economics of using a higher grade of plywood for the facing when using timber fromwork . a fromwork system which is being used for concreting operations consumes the following labour and materials over 12 months : labour:6043 hours at

170. ## science

A timber specimen of 40.33 mm width,70.07 mm depth and 604mm length and its weight is 798.9g carried loads(kN): 4,6,8,10,12,14,16,18,20,22,24,25.7. and deflection(mm) 0.44,0.87,1.34,1.81,2.29,2.79, 3.39,4.17,5.42,7.21,11.02,21.94 please, 1-find density of

(x+2)^2=9

172. ## English

We are seeing Jeremiah in the pediatric otolaryngology clinic at Good Samaritan Medical Center. I feel that the pediatric oto is not capialized, but difference of opinion... Is this correct?

Simplify x/6 divided by 1/6 I'm not sure how to divide fractions with a variable for the numerator.

174. ## Math help

Solve .7x+9or equal to 18.75 I hope this is correct

solve -.7x

176. ## math

A 150-foot-long ramp connects a ground-level parking lot with the entrance of a building. if the entrance is 8 feet above the ground, what angle does the ramp make with the ground. draw the picture

177. ## Math

Find a formula for a transformation of the complex plane that carries the disk {z: |z-5| < 3} to the disk {z: |z-2| < 8}

178. ## chemistry

calculate the number of moles in 2.0kg of limestones CaCO3

179. ## English

Which one is best? Thank you. 1) She isn't at all shy OR She isn't shy at all ????.

180. ## science

VARIATION What does varieties and variety mean? (Please explain in full details).

181. ## math

are we allowed to use calculators in sat 1 math?

182. ## Algebra 2

How many set solutions are there for this problem 33x + 103y = 6526? The solution cannot contain negative integers or decimals and fractions.

183. ## History

How does syncretism relate to religious beliefs?