# Questions Asked onMay 12, 2011

1. ## Trig

How can I find the exact value of Sin 480 degrees? Thanks

2. ## Chemistry

How do you draw the lewis strusture for Cyanogen(C2N2)

3. ## Algebra

Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 25 liters per minute. There are 700 liters in the pond to start. Let W represent the amount of water in the pond (in liters), and let T represent the number

4. ## Math

Expand (2x+5y)^6

5. ## physics help!

An electron enters the region of a uniform electric field between two oppositely charged parallel plates as shown, with an initial velocity of 3 x 106 m/s. The electric field between the plates is measured to be E = 200N/C. The horizontal length of the

6. ## Grammar-Capitalization

What should be capitalized? we will send her to hematology so a full blood screen can be done, and then we will follow up with her next thursday. Answer: We will send her to Hematology so a full blood screen can be done, and then we will follow up with her

7. ## English

1. Which sentence is NOT correct? A. Anita would rather spend time with her daughter than with anyone else. B. My little brother told me that North Dakota is less densely populated than any other state. C. Jaime had more fun in Los Angeles than anywhere

8. ## IPC

Ampere showed that parallel wires carrying current in opposite directions would ____ each other. a)attract b)repel i think its repel.. but not sure. help me understand please! thanks

9. ## Algebra 2

Identifying Conics. Put equation in standard form and graph. 9x^2-4y^2-90x+189=0

10. ## Grammar

Choose the best answer: 1.The number of spurs ( 'is', 'are', 'am') not identifiable. Answer: are 2. One of the injection sites on the biceps ( seem, seems, seeming) inflamed. ANSWER: seems 3. Digital examination of the lungs ( reveals, reveal, revealing)

11. ## Grammar

Choose the best answer. 1. Histologic sections of the appendix (show, shows, showing) acute and chronic periappendicitis charaterized by a mixed acute and chronic inflammatory infiltrate on the serosal surface associated with hemorrhage, vascular

12. ## grammar

Choose the best answer: 1. The L-1, along with the L-3 and L-4, ( show, shows, showing ) some sign of degeneration. Answer: show 2. She did not know (whom, who, whomever) to see about the recurrent congestion. Answer: who 3. The patient's physician

13. ## honors geometry

find the area of a triangle where sides are 25, 25 and 14

14. ## Organizational Ethics and Social Responsibility

Does organizational culture influence organizational values more than organizational values influence organizational culture?

15. ## Geometry

how do you find the surface are of a cone whose radius is 10cm and height 24 cm.

16. ## calculus

a.) Given y=square root of (x) and y= (x) Find the area between two curves from x=0 to x=1 by integrating with respect to x (top-bottom) I'm more concerned about this one though: b.) Now integrate with respect to y given between y=0 and y=1 Do I just graph

17. ## geometry

ABCD is an isosceles trapezoid. mAngle SymbolABC= 3x+10 and mAngle SymbolBAD=4x-5. Solve for x.

18. ## Grammar-Capitalization

True or False 1. A direct quote never begins with a capital letter. Answer: False 2. You should capitalize proper names only if they are part of a quotation. Answer: False 3. Familiar titles, such as uncle, are capitalized when used with a proper name.

19. ## Grammar

Select the sentence that does NOT have an agreement error. 1.a. After the walk he developed some sharp chest pains and was helped with a nitroglycerin tablet. b. After the walk he developed some sharp chest pains and apparently were with a nitroglycerin

20. ## Grammar-Capitalization

True or False 1. The sord South is always capitalized. Answer: False 2. The word doctor is capitalized if you are addressing the doctor as such, as in "Hello Doctor." Answer: True

21. ## Grammar

Select the sentence that does NOT have an agreement error. a. The thumb was initially casted for 3 days and then has been splinted for 3 weeks. b. The thumb was initially casted for 3 days and then splinted for 3 weeks. c. The thumb was initially casted

22. ## english

compare the twp wives , portia and calpurnia in the tragedy of julius caesar?

23. ## Grammar

Select the sentence that does NOT have an agreement error. a. Presently he reports he is pain free and they deny any tingling or numbness in the right lower extremity. b. Presently he reports he is pain free and denies any tingling or numbness in her right

24. ## Grammar-Capitalization

What should be capitalized? the child's mother was immediately contacted at general licensing, inc,. where she is employed. Answer: The child's mother was immediately contacted at General Licensing, Inc., where she is employed. thanks

25. ## Grammar-Capitalization

What should be capitalized? she was able to take him home but should make an appointment with bethel pediatric group as soon as possible. Answer: She was able to take him home but should make an appointment with Bethel Pediatric Group as soon as possible.

26. ## Grammar-Capitalization

What should be capitalized? she fears she may have come in contact with hiv last fall when she was on a mission with her friend, reverend miller. Answer: She fears she may have come in contact with HIV last fall when she was on a mission with her friend,

27. ## Math

Triangle ABC is circumscribed about circle O and D,E, and F are points of tangency. If AD= 5, EB= 5 and CF= 10, find the lengths of the sides of the triangle and show that the triangle is isosceles

28. ## English

1. Which sentence is NOT correct? A. Wishing he were someplace else, he walked to the podium to give his speech. B. Having listened to the weather report, the principal will decide when to close the school. C. The new French restaurant, with its fine

29. ## maths

solve 4x-3y-6=0; x+3y-9=0 graphically

30. ## Astronomy

In what ways do Earth and the moon move through space? How do these motions produce such phenomena as day and night, the seasons, phases of the moon, and eclipse?

31. ## science

What is the average force given to an object by the current of bangladeshi rivers?

32. ## References

Select the letter of the source one could use to locate the answer to the following question. What offices, elected or appointed, were held by John Quincy Adams before he became president? A. Dictionary of American Biography B. Americana Annual C. The

33. ## solid mensuration

Find the volume of water in the horizontal tank if it is 7/8 full. Radius of the tank is 600mm. and the lenght of the tank is 5m. If the tank is place in a vertical position, what is the depth of water inside the tank?

34. ## geometry

Calculate the lateral and surface areas of a prism whose height is 12 cm and whose base is a rectangle with dimensions 5 cm by 7 cm.

35. ## physics

A red car with a 70kW engine and a mass of 1335kg accelerates at full power for 2s from rest along a level stretch of road heading east before going down a 3m high hill. The driver puts the car in neutral to accelerate as they coast down the hill. Some

36. ## Geometry

Determine the slant height of a right pyramid whose lateral area is 90 ft^2 and whose base is a regular hexagon with a 3 ft side.

37. ## Algebra 2

Use the factor theorem to determine whether the binomial is a factor of the given polynomial. 1. t+sqrt2; P(t)=t^5+t^4+4t+4 2. z-i; P(z)=z^7+z^6+z^5+z^4+z^3+z^2+z+1 3. z+2i; P(z)=z^3+z^2+4z+4 Thanks

38. ## Algebra 2

Find the number of times r is a root of P(x)=0. 1. P(x)=x^4+4x^3-16x-16; r=-2 2. P(x)=x^5+3x^4+2x^3-2x^2-3x-1; r=-1 3. When x^3-5x^2+4x+5 is divided by x-c, the quotient is x^2-3x-2 and the remainder is 1. Find c. Thanks

39. ## World Geography

What words best describe the Baltic landscape?(there can be more then one answer) a. desert b. flat c. lowland d. marshland e. mountainous f. tropical I think its B E and F Can someone please help?

40. ## geometry

Calculate the lateral area and surface area of a pyramid whose height is 8 ft and whose base is square with 12 ft sides.

41. ## Algebra

This equation is incorrect because when we multiply an exponent into a bracket we multiply it with the exponents of the terms inside the bracket. The correct equation should be: (xy)^3 = x^3y^3

42. ## math

Because of the prevailing winds, a tree grew so that it was leaning 6° from the vertical. At a point 100 feet away from the tree, the angle of elevation to the top of the tree is 22°55'

43. ## Chemistry

why is a weak acid weak base titration different from strong acid strong base/ weak acid strong base/strong acid weak base?

44. ## Statistics

Suppose I reported the length f a book shelf to be 2.12 meters. What range would you expect the actual length of the bookshelf to lie in?

45. ## chemistry

If you accidentally spill phosphorus-32 onto your shoe, how long would it take before 99.9 of the radioactive material has decayed so that you can safely wear the shoes again?

46. ## Algebra

Find the domain and range of the relation and state whether or not it is a function. {(1,3) (2,3)(3,3) (4,3)}

47. ## grammar

Select the sentence that does NOT have an agreement error. a. Patient has had no loss of consciousness, has no headache, and there is no pain in neck. b. Patient has had no loss of consciousness, has no headache, and has no pain in neck. c. Patient has had

48. ## Grammar-Capitalization

What should be capitalized. the child rode his bicycle to delaware street where an old model ford ran a stop sign and hit him. the accident occurred on may 8, last friday. Answer: The child rode his bicycle to Delaware Street where an old model ford ran a

49. ## math

Given the plane 2x-3y+7z=4, a) Find the equation for the line perpendicular to the plane that intersects the plane at the point P=(6,5,1). b) How far is it from the point (4,-2,3) to the plane?

50. ## Grammar-Capitalization

What should be capitalized. the child was picked up by jefferson ambulance company and taken to general hospital emergency room. dr. hank was the first to see him. Answer: The child was picked up by Jefferson Ambulance Company and taken to General Hospital

51. ## Grammar

Select the sentence that does NOT have an agreement error. a. Improving balance and coordination of the lower extremities, I gave him some exercises. b. These treatments consisted of balance and coordination exercises to improve balance and coordination of

52. ## Grammar-Capitalization

What should be capitalized? we sent him immediately to radiology and will speak with mrs. farrel when she arrives. Answer: We sent him immediately to Radiology and will speak with Mrs. Farrel when she arrives. Note: there is a rule related to departments

53. ## Finance, Economics

A small vessel (this means 10 year life) was purchased by a chemical company for \$55,000 and is to be depreciated by MACRS depreciation. When its requirements changed suddenly, the chemical company leased the vessel to an oil company for 6 years at \$10,000

54. ## Grammar-Capitalization

What should be capitalized? this patient is a black female of canadian descent who would like to be tested for human immunodeficiency virus. Answer: This patient is a black female of Canadian descent who would like to be tested for Human Immunodeficiency

55. ## Chemistry

What is the pH and pOH of a solution that was made by adding 400mL of water to 350mL of 5.0x10^-3 M NaOH solution?

56. ## Grammar-Capitalization

What should be capitalized? she was in the south helping rebuild grace community center when a man cut his hand with a saw and she helped him stem the bleeding. Answer: She was in the South helping rebuild Grace Community Center when a man cut his hand

57. ## Grammar-Capitalization

What should be capitalized? she had a test sometime in november at a walk-in clinic and it was negative. Answer: She had a test sometime in November at a walk-in clinic and it was negative.

58. ## Government

Authority possessed by both the state and national government that may be exercised separately and simultaneously are called...... powers. These powers may not be exclusively within the scope of the national power or in conflict with the national law.

59. ## Algebra 2

Simplify: 1. 2log10^5+log10^4 2. 2log3^6-log3^4 3. log4^40-log4^5 4. log4^3-log4^48 I need to see all of the steps. Thanks

60. ## help fast ,( physics)

What is the net electrostatic force on the charge q3 (-48ìC), due to charges q1(+78ìC) and q2 (+50ìC)?

61. ## honors geometry

find the area of a triangle whose sides are 25,25, and 14

62. ## honors geometry

find the area of an isosceles triangel with hypothenues 18

63. ## Chemistry

A water solution containing an unknown quantity of an unknown nonelectrolyte solute has a freezing point of -0.21 Celsius. What is the molality of the solution? Kf=-1.86C/m

64. ## English

1. Select the letter that indicated the correct modifier in the following sentence. A. The young Arnold Schwarzenegger may have been one of the ________ people in the U.S. A. strongest B. most stronger C. stronger D. most strongest I think it's D? 2.

65. ## Life orientation

Describe the life style disease/behaviour and explain 5(or more) factors that contribute to the disease.

66. ## statistics in psychology

An analysis of the combined SAT scores (Verbal + Math) of a sample of psychology majors at one school indicated that the mean was 939 and the standard deviation was 166. Show your calculations used the answer the following two questions. a. A special

67. ## economics

what cause the financial crisis that occurred in 2008

68. ## physics

An electron enters the region of a uniform electric field between two oppositely charged parallel plates as shown, with an initial velocity of 3 x 106 m/s. The electric field between the plates is measured to be E = 200N/C. The horizontal length of the

69. ## MAth

I am working a percent change word problem- 340 employees total and 56 laid off.? percent of decrease in employees. 340-56= 284 284 divided by 340 = 0.835 = 83% the book has an answer of 16% what am I missing or is the book incorrect?

70. ## Physics

Explain why objects experience a buoyant force when immersed in a fluid. How can you find the value of the buoyant force?

71. ## Astronomy

Only one side of the moon is visible from Earth because... A. the moon does not rotate on its axis. B. the moon does not revolve around Earth. C. the moon rotates faster than it revolves. D. the moon revolves once and rotates once in the same period of

72. ## pre cal

can someone please show me how to verify this identity? (sec x/csc x minus cot x) minus (sec x/csc x + cot x)= 2 csc x

5m = ? km

74. ## pre calc

write the form of the partial decomposition for the given rational expression. Don't solve for constants: 8x+10/x^2+7x-18 please show work!

75. ## chemistry

Do strong acid strong base titrations have a buffer region?

76. ## stat

If you test the (one sample) null hypothesis that the population proportion p ¡Ü 0.3 and you get the test statistic value of z = -0.98, then using a 5% ignificance level, Question 18 options: the alternative hypothesis looks believable. the null

77. ## Math

Help to solve problem A cube has an edge length of d. Point C is at the center of the top face of the cube. express the length of the path from vertez to vertex B to the center point C in terms of d. Use the idea that the square root of (N X N). Estimate

78. ## Life orientaion

Two institution / community organisation that are involved in surpporting or giving redress to these disaster

79. ## chemistry

how do you calculate grams of KCL in 3 litres of a 5% solution? (scientific notation)

80. ## Algebra

Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this

81. ## geometry

find the angle of wlevation of the sun when a 12.5 meter tall telephone pole casts an 18 meter long shadow?

82. ## geometry

Determine the surface area of a label that covers the lateral surface of a cylindrical can with height 40 mm and diameter 24 mm.

83. ## honors geometry

find the area of an eqilateral triangle with perimeter 45m

84. ## science

What is the average force given to an object by the current of bangladeshi rivers?

85. ## geometry

How do you calculate the lateral and surface areas of a cone whose height is 12 in and whose slant height is 15 in.

86. ## english

how make a tepee

87. ## math

how i draw the tessellating pattern using a rhombus

88. ## english

can u make me sentences use the word of send

89. ## art

Toward the end of the twelfth century, the Japanese emperor and his court were supplanted by a warrior society in Japan. This Shogunate governance period was also marked by the rise of the Zen Buddhist religion. These developments, especially the power

90. ## Math

When estimating 4,629 + 6,331 do I round up the thousands to 5,000 + 6,000 or do i round to the hundreds, 4,600 + 6,300? Thank you in advance.

91. ## english

Can you check my grammar? should I remove the apostrophies in the following sentences? " The apostrophies in Gloria's name" Q1.Gloria has paid more than half of the cost of keeping up on her home, and her qualifying dependent. Q2.Gloria benefits by having

92. ## geometry

Calculate the surface area of a sphere whose diameter is 50 cm.

93. ## math

Given: ; CE=CA ,EB AND AD are medians Prove: EB=AD 2.)Write a paragraph proof. Given: AC bisects

94. ## Sociology

Hi This is my essay question and I don't know how to start this essay I am not sure what is required of me, Please help. "Durkheim argues that society is held together by sets of norms which are transmitted to us by social institutions like the family and

95. ## comper science

write a program that accept the name of a student score obtained in 5 courses and compute the average score of the student.your program must display the name of that student on tab 5

96. ## CHEMISTRY

HOW MANY MOLECULES OF CARBO DIOXIDE CO2 WILL BE PRODUCED WHEN 75 GRAMS OF GLUCOSE C6H12O6 ARE COMPLETELY OXIDIZED

97. ## geometry

A cone is topped with a hemisphere. Calculate the total surface area if the radius of the cone and hemisphere is 10 cm and the height of the cone is 24 cm.

98. ## Chemistry

what is the relative humidity if there is .5 moles of water vapor per 100 liters of air at 40 degrees celcius?

99. ## solid mensuration

The base of a right prism is a rhombus whose sides are 20cm and the shorter diagonal is 24in..find the area pls.

100. ## math

write the decimal for the fraction 6/12?

101. ## chemistry

AQUEOUS SODIUM HYDROXIDE IS ADDED TO SAMPLE X AND IS WARMED A GAS EVOLVES HCL WHAT IS THE EQUATION

102. ## History

I need to write a one page extended response for the supporters of the Vietnam War. I was wondering if you could give me an idea of how to start it and a "guideline" becaseu I am really desperate

103. ## solid mensuration

A cylindrical tin can holding 2 gal.has its height equal to the diameter of its base.Another cylindrical tin can with the same capacity has its height equal to twice the diameter of its base. Find the ratio of the amount of tin required for making the two

104. ## Physics

A Saturn V rocket with an Apollo spacecraft attached has a combined mass of 2.1 105 kg and will reach a speed of 11.2 km/s. How much kinetic energy will it then have?

105. ## algebra data analysis

kenneth has a mean score of 8 points in the first three quarters of a basketball game. how many points must he score in the last quarter of the game to raise his mean score to 10 points?

106. ## calculus

The distribution of the time taken to run 1000 metres by users of a treadmill in a sports centre has mean 7.2 minutes and standard deviation 2.045 minutes. 1 Choose the option that is closest to the probability that the mean time taken to run 1000 metres

107. ## math

what is correcting quotients

108. ## solid mensuration

A parabolic trough is 3 meters long, one foot across the top and one foot deep. Find the volume of water in the trough in liters if it is filled to a depth of 6inches.

109. ## chemistry

From the indicated voltages for the voltaic cell pictured, determine the standard electrode potential, E°M3+/M, if the metal, M, is each of the following. description on the image: in the left beaker there is one Cr3+ and one Cr2+ on the right beaker

110. ## research paper

â€¢ Write a 1,050- to 1,400-word research paper in which you identify the linguistic, political, social, economic, religious, and familial conventions or statuses of four Hispanic groups living in the United States. Your paper must address Mexican

5|2x-5|=15

112. ## algebra

8^(x+5)=32^(x-9)

113. ## biology

can alcohol go through a visking tubing?

114. ## Algebra 2

If log10^9=0.95 and log10^2=0.30, find the following: 1. log10^9/2 2. log10^3 3. log10^36 4. log10^20/9 5. log10^900 6. log10^1/9 7. log10^1/2000 8. log10^162 I need to see all of the steps. Thanks

115. ## math

5-m=3 1/8 how do I work this problem out?

116. ## Math

A bag contains forty coins, all of them either 2c or 5c coins. Let there be x 2c coins and y 5c coins. If the value of money in the bag is \$1.55, find the number of each kind.

117. ## science

Whats a good reason for dissecting a heart and what would be the purpose?

118. ## math

convert 56.7 into degrees, minutes and seconds

119. ## Grammar

Good morning Example: re: word work up The doctor will *work up* the cause of her abnormal hear rhythm. (verb) During his *workup* for this tumor, he was found to have an abdominal aortic aneurysm. (noun) Question: The work up revealed the surface was of

120. ## english

what are 5 ways portia and calpurnia are alike and 5 ways they are different from each other. the story is the tragedy of julius caesar.

121. ## English

Can you check these two sentences , please? I teach (German) to students who specialize in applied sciences. She requested me to print the document. They feared ther father would scold them if he found (caught) them playing in that field. She promised (to

122. ## accouting

5. Compute the price of \$3,461,181 received for the bonds by using the tables of present value in Appendix A. (Round to the nearest dollar.) Your total may vary slightly from the price given due to rounding differences. Present value of the face amount \$

123. ## math

what is the area of a circle if the raduis is 39 cm long?

124. ## chemistry(Acid&Base)

Calculate the solubility product of calcium hydroxide if the solubility of Ca(OH)2(s) in water at 25◦C is 0.011 M. Choices: 1. 1.1 × 10−5 2. 5.3 × 10−6 3. 2.7 × 10−6 4. 1.5 × 10−8 5. 1.2 × 10−4

125. ## comm 155

In the article that we read on page 37, the author was trying to explain how everyday life can be stressful. As far as meeting his goal, I think that he could have done a much better job. They did give a few examples of everyday annoyances, but not of how

126. ## Geometry

Find the measure of each angle. Sin B=0.7245 Could anyone give me the step to solve these type of problems? Thanks

127. ## teacher aide

Children with a language or speech disorder are A sometimes suffering from an aphasia B always learning challenged C able to receive special help only after the third grade D unable to use communication boards I need help

128. ## English

I really need you to check this sentence. I included a few examples on phrasal verbs I'm not sure of. 1) The projector complains that it had been a very dear season (the stock was low/there had been a shortage of cucumbars/ in the growth??? of cucumbers)

129. ## science

what about a type of solution got when 185gm sodium iodide dissolved in 100ml of water

130. ## Algebra 2

Show that the following numbers are irrational: 1. sqrt3 2. sqrt6

131. ## maths

The variation in size from year to year of a particular population can be modelled by an exponential model with annual proportionate growth rate 0.1246. The size of the population at the start of the initial year is 360. Choose the TWO options that give,

132. ## English

Hello. I want to ask if "to end the peace process" is the same as "to stop the peace process". Thank you.

133. ## physics

a positive charge of 4x10^6c experiences a force of 2n acting to the right.what is the magnitude and direction of the eletric field at this point?

134. ## English

I have a last doubt. Thank you I taught to my students (or my students?) how to speak? I'll write to you soon. I can't understand why in English the indirect object is not always preceded by "to". Can you give me examples? Thank you. He gave his life to

135. ## maths

Choose the THREE options that define sequences that do not converge. Options A P0 = 40, Pn+1 − Pn = 2.8 Pn (1− Pn/300) (n = 0,1,2, . . .) B P0 = 100, Pn+1 − Pn = 0.7Pn (1− Pn/480) (n = 0,1,2, . . .) C P0 = 250, Pn+1 − Pn = 2.4Pn (1− Pn/420) (n

136. ## maths

The variation in size from year to year of a particular population can be modelled by an exponential model with annual proportionate growth rate 0.1246. The size of the population at the start of the initial year is 360. Choose the TWO options that give,

137. ## Organic Chem

what is the product when 2-methylbutanal is treated with cold base?

138. ## acrostic poem

i need a arostic poem for my name. Can u help me . My name is SATNAM. Can u finish the poem up thanks S - Sad A T N A M

139. ## physics

The change in electrostatic potential energy at a point when an electron is brought from infinity to that point is deltaE.What is the change in electrostatic potential energy if the electron is moved through a distance d from this point?

140. ## Algebra

what does the sigma notation look like for the sequence 1/4,-1/9,1/16,-1/25

142. ## math

convert 56.7 into degrees, minutes and seconds

143. ## English

I have a last doubt. According to your exlanations: I gave him the book/or the book to him. BUT I wrote him the letter(or the letter to him. BUT I wrote to him. (is also possible) She explained to me how to get there.

144. ## Current Issue

Post a summary of a current issue between Native Americans and the federal government. Identify the legislation that you think is linked to the issue and explain why you think there is a connection

145. ## physics

A 70 kg person sits on a 3.6 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.5 cm in diameter. Find the pressure exerted on the floor by each leg of the chair, assuming the weight is evenly distributed.

146. ## maths

The variation in a population is modelled by the recurrence relation (Jn+1 0.9257 0.0208) (Jn) + (0.014) (An+1 0.0661 0.9767) (An) (0.056) where Jn and An are the sizes, in millions, of the subpopulations of juveniles and adults, respectively, n years

147. ## Teacher

I'm having problems with this question. In a regular school, the mainstreaming\inclusion technique is A used only with visually impaired students B often impossible with behavior disordered students C frequently a positive experience for regular students D

148. ## English

Which is correct.. Who does the play have as its star? or Whom does the play have as its star? Thank you.

149. ## Physical Science

when you operate a machine, is often easy to observe cause and effect. for example, when you turn a doorknob, the latch in the door moves. give five examples of machines and describe one cause-and-effect pair in the action of each machine.

150. ## geometry

How do you find the lateral and surface area of a right triangular right prism. Base 8in by 6in by 10in and height 9 in.

151. ## physics

An inflated basketball has a gauge pressure of 9.0 lb/in^2. What is the actual pressure inside the ball?

152. ## pirate history

What weapons did the Barbary Corsairs use?

153. ## statistics

For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size- (b) 3.

154. ## chemistry

Calculate the pH of the solute in an aqueous solution of 0.0047 M codeine, if the pKa of itsconjugate acid is 8.21. What is the percentage protonation of the solute?

155. ## Calculus

Using 3(x-3)(x^2-6x+23)^1/2, as the chain rule differentiation of f(x)=(x^2-6x+23). Please explain how I find the general solution to the differential equation dy/dx= 2/27(x-3)SQUARE ROOT BEGINS (x^2-6x+23)/y SQUARE ROOT ENDS (y>0). In implicit form I have

156. ## maths

The function f is given by ln(e^x − e ^−x) (x > 0). By applying in turn the Composite and Quotient Rules, calculate that gives an expression for each of the following. 1. f!(x) 2. f!!(x)

157. ## statistics

what is the critical value of this statistic at 0.05 significance.....z=1.64

158. ## maths

give the solution of the initial-value problem dx/dy=(1+2cos^2(x))/y, (y > 0), y= 1 when x = 0. Thanks.

proporton

160. ## statistics

what is the critical value of this statistic z=1.64 at 0.05 significance?

161. ## trigonometry

Find the sum of all of the solutions to the equation cos(2x) - sin2(x) - 1 = 0 in the interval 0 < x < 5 pi. (Use radian measure for x.) (A) 15pi (B) 0 (C) pi (D) 10pi (E) None of the above.

162. ## honors geometry

a rectangle picture measures 12 cm by 30 cm. it is mounted in a frame 2 cm wide. fin the area of the frame.

163. ## science

the moon's gravity is about one-sixth the gravity on earth. mar's gravity is about one half the gravity on earth. make a bar graph that shows your weight (95 lbs) in newtons on earth, moon, and on mars. A newton is equal to about one quarter of a pound.

164. ## math

If a test has ninety questions on it what percentage must be correct to past?

165. ## Physics

Two students are on a balcony 20.5 m above the street. One student throws a ball (ball 1) vertically downward at 11.1 m/s; at the same instant, the other student throws a ball (ball 2) vertically upward at the same speed. The second ball just misses the

166. ## math

Barb has twice as many books as Lisa. Mike has 25 more books than Lisa, but 15 fewer than Barb. How many books each student has?

167. ## english

what are 6 reasons why bullying is a problem?

168. ## education

what are strategies that a concerned parent can us to help improve his or her child's reading and writing skills

169. ## physics

If an equal force acts on the following objects, which will have the greatest acceleration: 1) a golf ball 2) a football 3) a soccer ball 4) a baseball

170. ## Calculus

Find the centroid of the region bounded by the curve sin x on the interval (0, pi) and the x-axis. Please help

171. ## Chemistry

Determine the solubility of FeS at 25 degrees Celsius

172. ## English

A question on my previous post: is that a mistake to say "he requested me to leave" Can't "request" be followed by "someone to do something"? Can I write the summary below in the present tense though the chapter is in the simple past? 1)The first person

173. ## chemistry

Calculate the E° for each of the following reaction. Decide whether each is product-favored in the direction written 2 Cl-(aq) + Cu2+(aq) --> Cu(s) + Cl2(g) i got -1.020 but its wrong and i do not know why.

174. ## Grammar-Capitalization

Determine if the following words are capitalized correctly. If the capitalization and presentation is correct, leave the word as it is. If incorrect retype the word correctly. 1. cherokee 2. pepsi-cola 3. American dental association 4. ADA 5. wednesday 6.

175. ## Eglish

I forgot to include these sentences on the same theme. I hope you can check them too. Thank you. 1) At the school of languages he meets three professors who are meditating on how to improve their own country. 2) The first project they are working on is

176. ## English

Hello. Will you please tell me if it is possible (and natural) to say: 1) The UN put into effect sanctions against Iran. 2) The UN put sanctions into effect against Iran. 3) The UN put sanctions aganist Iran into effect. 4) The UN brought sanctions against

177. ## Government

What are three powers found in the executive branch and three powers found in the legislative branch? Using the concept of checks and balance describe how the branches interact. Use a current event to illustrate that interaction.

178. ## Chemistry

Argon-39 decays to become Potassium-39. write the nuclear equation.

179. ## science

What is the role of detritovores in food webs and are they important? What are some examples of detritovores?

180. ## Physical science

Why each of the above components is necessary to construct a circuit in which charge flows

181. ## English

I'm sending you the sentences I'm most doubtful about. Thank you. I included my doubts in parentheses. 1) At the school of languages he meets three professors who are meditating on how to (?) improve their own country. 2) The first project they are working

182. ## math

Would you measure the length of a stapler in inches or in feet? Explain your answer

183. ## chemistry

What is the pH of 8.94 × 10−6 M HCN(aq), ignoring the effect of the autoprotolysis of water? 1. 7.17923 (basic; thus not reasonable) 2. 6.03594 3. 7.30027 (basic; thus not reasonable) 4. 5.50032 5. 7.38101 (basic; thus not reasonable) 6. 5.18207 7. None

184. ## geometry

find the area of a triangle where sides are 25, 25 and 14

185. ## grammar

i like chocalate she likes butterscotch

186. ## trigonometry

what is the value of x in the equation x= 3sqrt root (-245)-1/5 to the nearest hundreds

187. ## Physics

I've tried a bunch, have no idea. Got the first part, no idea on the second one. A basketball, of mass m = 0.45 kg is dropped, from rest, from a stationary hellicopter at a high altitude. Use g = 9.81 N/kg. (a) If air resistance is negligible, using energy

188. ## Chemistry

what is the pH range of the buffering region? is that when ph=pKa?

189. ## chemistry

if you have a gas sample that has a mass of .993g occupying .570L. Given the temperature is 281K and the pressuere is 1.44 atm, what is the molar mass of the gas?

190. ## Math

What is the area of a square with a diagonal length of 15 times the square root of 2?

191. ## Chemistry

Will CuCI2+Na2SO4->CuSO4=NaCI2 precipitate and how can you determine this?

192. ## honors geometry

Find the area of the shaded region. diagram is a rectangle with 10 height and 17 base. there is a triangle inscribed that is not shaded. its a little confusing and im supposed to assume 30-60 -90 triangles??

193. ## Physics

Helium is supplied in pressure tanks. If I have a 10 liter tank at 200 atmospheres of pressure, how many 3 liter balloons can I fill? (Assume the balloons are at one atmosphere)

194. ## science

The enzyme that opens up the DNA double helix during replication.?

195. ## Algebra 2

Express as a logarithm of a single number or expression: 1. 5log4^p+log4^q 2. log10^x-4 log10^y 3. 4log3^A-1/2 log3^B 4. log5^M+1/4 log5^N 5. log2^M+log2^N+3 6. log5^x-log5^y+2 7. 1-3 log5^x 8. (1+log9^x)/2 I need to see all of the steps. Thanks

197. ## Ann

Need to correct the punctuation for each sentence. then right if it is declarative, interrogative, imperateive, or exclamatory. 1. What a strang name that is. Answer=dec 2. Some mushrooms are very poisonous! Answer=exclamatory 3. Don't eat that mushroom!

198. ## Maths,Science,Life science,Agri science.LO & Langu

name two institution/communty organizations that surpporting or giving redress to air pollution

199. ## Maths

A psychological test was given to 92 teenage boys and 68 teenage girls. The test was used to assign a score to each teenager, measured on the ‘worry scale’ – 0 (not worried) to 100 (very worried). A summary of the results is given in the table below.

200. ## physics

What is the Bragg Scattering angle (i.e. the angle, in degrees, between the incoming incident beam and the reflected beam) for electrons scattered from a nickel crystal if their energy is 85 eV? The spacing between Ni Bragg planes is 0.215 nm. Give your

201. ## pysical science

how do you find the density of a solution where the mass=60.75gms and the volume=45ml

202. ## Math

Rectangle with a diagonal length oh 26m and height of 10m

203. ## chem

how many moles of ca are needed to neutralize 8.87moles of H3po4

204. ## Government

Authority possessed by both the state and national government that may be exercised separately and simultaneously are called________ powers. These powers may not be exclusively within the scope of the national power or in conflict with the national law.

205. ## science

DNA is copied during a process called.?

206. ## Chemistry

A 1.00 L sample of a pure gas weighs 0.785 g and is at 733.4 torr and 29.2 degree celcius. a) what is the molar mass of the gas? b) if the volume of the temperature are kept constant while 0.400 g of the same gas are added to that already in the container,

207. ## Organizational Ethics and Social Responsibility

analyze the following ethical scenario: You are attending a National Covention in San Luis Opisbo for work. This is a convention that is annually attended by representatives from your employer and this is your first time attending. The convention

208. ## physics

How will changing the distance change the electric field strength for a given charge?

209. ## Life orientation

Way in which the human or environment problem impact on the community.provide relevant sources to support your claims

210. ## physics

How will changing the charge change the electric field strength at a distance?

211. ## physics

How will changing charge change the equipotential at a distance of 2 meters?

212. ## criminal justice

waht type of interview structure would you use?

213. ## physics

How are electric potential and electric field strength related?

214. ## help help physics

An electron enters the region of a uniform electric field between two oppositely charged parallel plates as shown, with an initial velocity of 3 x 106 m/s. The electric field between the plates is measured to be E = 200N/C. The horizontal length of the

215. ## plagiarism workshop

Now that you have developed an in-text citation for a summary, paraphrase, and a direct quote, and created a reference for the paragraph provided in Exercise 2, reflect on the thought processes you used for each aspect. How did your approach differ when

216. ## health

5 ways in which the human or enviromental proble impacts on the community

217. ## calculus

Let f be the function defined by f(x)=x^3+x. If g(x)=inverse function of x and g(2)=1, what is the value of g'(2)?

218. ## Chemistry

Calculate the molarity (M) of a solution of the strong acid HNO3 if the hydroxide ion concentration is 2.17E-12 M.

219. ## Emily

Iddetifying Adverbs, need to find all adverbs in the sentences below some might not have any. 1. There is a big sale at the mall. Is no adverb 2. She fells happy when she finds a real deal. Is no adverb 3. If you want a good deal, stay close to Denicece.