# Questions Asked onJanuary 16, 2011

1. ## Physics

Two electrostatic point charges of +60.0 uC and +50.c uC exert a repulsive force on each other of 175 N. What is the distance between the two charges?

2. ## Chemistry

Rank the following fertilizers in decreasing order of mass percentage of nitrogen: NH3 NH4NO3 (NH4)2HPO4 KNO3 (NH4)H2PO4 (NH4)2SO4

3. ## physics

a student standing on the roof of a 50 meter high building kicks a stone at a horizontal speed of 4 meters per second, how much time is required for the stone to reach the level ground below?

4. ## physics

A model rocket leaves the ground, heading straight up at 47 m/s. (a) What is its maximum altitude? m What are its speed and altitude at each of the following times? (b) 1 s m/s m (c) 4 s m/s m (d) 8 s m/s m

5. ## physics

a ladder AP of length 5m inclined to a vertical wall is slipping over a horizontal surface with velocity 2m/s , when A is at a distance 3m from ground . what is the velocity of centre of mass at this moment?

I am trying to write a 1500 words review of two articles that are discussing ethical perspectives or business ethics for two countries. Each article must contain info. on a different foreign country on a different continent; for example, if the first

7. ## Geometry

Find the area of the following ellipse (round to nearest tenth). 2a = 10 cm; 2b = 24 cm. a = How many cm2?

8. ## Math

If two trapezoids have the same area, do they always have the same perimeter? Explain your thinking with words and diagrams.

9. ## chemistry

Determine the Ka of an acid whose 0.294 M solution has a pH of 2.80.

10. ## physics

on the surface of earth, a spacecraft has a mass of 2.00x10^4 kilograms. What is the mass of the spacecraft at a distance of one earth radius above earths surface?

11. ## British Literature

Authors uses literary devices such as foreshadowing,symbolism,similes,metaphor,personification, and allusions. What are two literary devices used in Jane Austen Sense and Sensibility. explain how it contributes to the novels setting or the plot.

12. ## physics

A large box whose mass is 20 kg rests on a frinctionless floor. A mover pushes on the box with a force of 250 N at an angle of 35 degrees below the horizontal. What is the acceleration of the box across the floor?

13. ## chemistry

If 0.10 M potassium chromate is slowly added to a solution containing 0.50 M AgNO3 and 0.50 M Ba(NO3)2. What is the Ag+ concentration when BaCrO4 just starts to precipitate? The Ksp for Ag2CrO4 and BaCrO4 are 1.1 x 10-12 and respectively.

14. ## chemistry

Calculate the pH of a 0.800 M NaCH3CO2 solution. Ka for acetic acid, CH3CO2H, is

15. ## Chemistry

An electron in a hydrogen atom could undergo any of the transitions listed below, by emitting light. Which transition would give light of the shortest wavelength? n=4 to n=2 n=3 to n=1 n=2 to n=1 n=4 to n=1

16. ## Chemistry

0.10 M potassium chromate is slowly added to a solution containing 0.50 M AgNO3 and 0.50 M Ba(NO3)2. What is the Ag+ concentration when BaCrO4 just starts to precipitate? The Ksp for Ag2CrO4 and BaCrO4 are 1.1 x 10-12 and respectively.

17. ## physics

How many uniform, identical textbooks of width 25.0 cm can be stacked on top of each other on a level surface without the stack falling over if each successive book is displaced 3.00 cm in width relative to the book below it? If the books are 5.00 cm

18. ## chemistry

0.10 M potassium chromate is slowly added to a solution containing 0.50 M AgNO3 and 0.50 M Ba(NO3)2. What is the Ag+ concentration when BaCrO4 just starts to precipitate? The Ksp for Ag2CrO4 and BaCrO4 are 1.1 x 10-12 and 1.2x10^-10 respectively

19. ## Chemistry

If 100. mL of 0.400 M Na2SO4 is added to 200. mL of 0.600 M NaCl, what is the concentration of Na+ ions in the final solution? Assume that the volumes are additive.

20. ## Physics

Two people are carrying a uniform 788.0 N log through the forest. Bubba is 2.0 m from one end of the log (x), and his partner is 1.1 m from the other end (y). The log is 6.2 m long (z). What weight is Bubba supporting?

21. ## Physics

A startled armadillo leaps upward, rising 0.515 m in the first 0.203 s. (a) What is its initial speed as it leaves the ground? (b) What is its speed at the height of 0.515 m? (c) How much higher does it go?

22. ## Chemistry

Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that freezes at -14.5 degrees celcius ? The freezing point for pure water is 0.0 degrees celcius and Kf is equal to 1.86 degrees

23. ## Biology!!

Darwin is considered the "father of evolutionary biology." Four of his contributions to the field of evolutionary biology are listed below. The nonconstancy of species. Branching evolution, which impleies the common descent of all species. occurrence of

24. ## physics

A student pulls a 60 newton sled with a force having a magnitude of 20 newtons. what is the magnitude of the force that the sled exerts on the student?

25. ## chemistry

What is the pH of a buffer system prepared by dissolving 10.70 grams of NH4Cl and 25.00 mL of 12 M NH3 in enough water to make 1.000 L of solution? Kb = 1.80 x 10-5 for NH3.

26. ## physics

The punter on a football team tries to kick a football so that it stays in the air for a long "hang time." If the ball is kicked with an initial velocity of 23.0 m/s at an angle of 58.5° above the ground, what is the "hang time"?

27. ## Physics

If the output piston in a hydraulic pump exerts a greater force than one applied to the input poston, is the pressure at the outpit piston also larger than at the input piston? Im really not even sure how to go about this question.

28. ## Geometry

Compute the area of a triangle with sides. 15 × 15 × 18 a = How many square units?

29. ## physics

A motorist drives along a straight road at a constant speed of 15.0 m/s. just as she passes a parked police officer,the officer starts to accelerate at 2.00 m/s^2 to overtake her. assuming the officer maintains this acceleration, a) determine the time it

30. ## Geometry

a = 12 cm b = 14 cm h = 8 cm. Compute the area. How many cm2?

31. ## Geometry

Find the area of the following circle. ( = 3.14; round answer to the nearest whole number). Circumference = 120 cm. (Hint: Find r from C = 2r (round r to tenths); then find area).

32. ## Chemistry

C2H2(g) + 2 H2(g)--> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance/ So (J/mol∙K) /∆Hºf (kJ/mol) C2H2(g) / 200.9 / 226.7 H2(g) / 130.7 / 0 C2H6(g)/ ?? / -84.7 Bond

33. ## Biology 12-DNA

suppose you knew the makeup of specific proteind in a cell. how would you determine the particular DNA code that coded for them?

34. ## Geometry

A square measures 8 inches on each side. What is its area rounded off to the nearest whole number. (Note: 1 inch ≈ 2.54 cm)

35. ## trig

When the sun's angle of elevation is 30 degree the shadow of a post is 6 ft longer than when the angle is 45 degree. find the height of the post

36. ## Geometry

A gardener is installing a circular garden. The radius of the circle 28 feet. He needs to know the circumference in order to buy materials for the edging. What is the circumference if he uses = 22/7. The circumference is ?

37. ## physics

The electric field midway between two equal but opposite point charges is 825 N/C, and the distance between the charges is 9 cm. What is the magnitude of the charge on each?

38. ## physics

A 16.0-m uniform ladder weighing 490 N rests against a frictionless wall. The ladder makes a 63.0° angle with the horizontal. (a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 850-N firefighter has climbed

39. ## Geometry

Find the area of the following ellipse (round to nearest tenth). a = 9 in.; b = 8 in. a = How many sq. in.?

40. ## Economics

When policymakers set prices by legal decree, they...? a. obscure the signals that normally guide the allocation of society’s resources. b. are usually following the advice of mainstream economists. c. improve the organization of economic activity. d.

41. ## physics

A car P is moving with uniform speed of 5m/s towards a carriage of mass 9kg at rest kept on the rails at point B. the height of AC is 120m.cannon balls of 1kg are fired from the car with an initial velocity of 100m/s at an angle 30 degree with the

42. ## Physics

A solid of mass 400g in air and when partly is immersed in a certain liquid it has a mass 320g. Given that the relative density is 0.8. Calculate the volume of the solid immersed in the liquid.

43. ## Geometry

Find the area of the following circle. r = 9 yd. a = How many square yards?

44. ## Physics

1. Could a horizontal axis of rotation be used satisfactorily in an experiment uniform circular motion? Explain

45. ## chemistry

At 25 °C, the density of a 50 % (by mass) ethanol/water solution is 0.914 g/cc. Given that the partial molar volume of water in the solution is 17.4 cc/mol, what is the partial molar volume of the ethanol?

46. ## thermodynamic

A heat pump is proposed that uses 50 degree F ground water to heat a house to 70 Degree F. The groundwater experiences a temperature drop of 12 degree F. If the house require 75,000 Btu/hr, Calculate the minimum mass flux of the groundwater and minimum HP

47. ## Physics

A laser emitting at 632.8nm illuminates a double slit. A screen is positioned 2.00 m from the slits. Interference fringes are observed with a separation of 1.0 cm. (a) Determine the separation of the slits. (b) Determine the angle of the first-order dark

48. ## biology

compare asexual reproduction and sexual reproduction

49. ## algebra 209

write the following in simplified radical form 3 sqrt 250

50. ## history

In the Middle and Southern colonies, how was education for poor girls was accomplished

51. ## physics

a plank of mass 5kg is placed on a frictionless horizontal table. further a block of mass 2kg is placed over the plank. A mass-less spring of natural length 2m is fixed to the plank by its one end. The other end of spring is compressed by the block by half

52. ## physics

Two point sources, 5.0 cm apart are operating in phase, with a common frequency of 6.0 Hz, in a ripple tank. A metre stick is placed above the water, parallel to the line joining the sources. The first nodal lines (the ones adjacent to the central axis)

53. ## HISTORY

Write a short paragraph that traces the rise of Japan from an isolated society to a major industrial and imperial power. I have to write an essay, so if you can write me a short paragraph that answers and summarizes my question, then I can write my essay.

54. ## science

What was the average speed in km/h of a car that travels 400.0 km in 4.5 h?

55. ## Computer Science

a)385 data loss incidents took place b)110 million people were affected by personal data loss incidents c)3% of all data loss incidents were caused by hard copy theft/loss d)20% of all data loss incidents were caused by portable media theft/loss e)15% of

56. ## Physics

During a hard sneeze, your eyes might shut for 0.58 s. If you are driving a car at 92 km/h during such a sneeze, how far does the car move during that time?

57. ## Accounts

On a worksheet, the adjusted balance of the Depreciation Expense account is extended to the __________ column. (Points: 5) Income Statement Debit Income Statement Credit Balance Sheet Debit Balance Sheet Credit I dnt understand what is meant by this any

58. ## Chemistry

A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting

59. ## Statistics

The United Nation declared that the world's six-billionth inhabitant was born on October 12, 1999 in Bosnia. Don't discuss what is not said. Discuss what is said

60. ## Geometry

Compute the area of the triangle. (Express answer in cm2) h = 6 cm b = 12 cm a = How many cm2?

61. ## Human Service

If a man walks into your office,takes off his coat,loosen his tie,sits down, and put his feet up on a chair. what gesture does it mean to you.

62. ## physics

a uniform bar of mass is supported by support pivoted at top about which bar can swing like simple pendulum. If force F is applied perpendicular to lower end of the bar.How big F must be in order to held the bar in equilibrium.

63. ## physics

a ladder AP of length 5m inclined to a vertical wall is slipping over a horizontal surface with velocity 2m/s , when A is at a distance 3m from ground . what is the velocity of centre of mass at this moment?

64. ## Chemistry

Could someone help me with this question? A vinegar sample was analyzed and found to be 5.88% acetic acid by volume. The density of pure acetic acid is 1.409g/ml. What volume of 0.200 M NaOH would be required to titrate a 2 ml aliquot of this vinegar.

65. ## math

Given the expression (3s-4)(4s+5), explain in words the steps taken to completely simplify the expression

66. ## Physics

Explosives are used to blow a rock apart. The explosion blows the rock into three fragments. Two fragments go off at a 76 degree angle to each other--a 6.2 kg piece at 26.7 m/s and a 5.5 kg piece at 23.3 m/s. Calculate the speed of the third piece, if it

67. ## education

what was the most significant reason for the decline of the Latin Grammar School

68. ## Chemistry

A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting

69. ## physics

A wave of amplitude 0.37 m interferes with a second wave of amplitude 0.18 m is traveling in the same direction. What is the largest resultant amplitude that can occur?

70. ## Physics

An electric vehicle starts from rest and accelerates at a rate of 2.3 m/s2 in a straight line until it reaches a speed of 17 m/s. The vehicle then slows at a constant rate of 1.4 m/s2 until it stops. (a) How much time elapses from start to stop? (b) How

71. ## poetry

which poem sounds the best and easier to anaylze and explain to others about? Im gonna present this to grade 12th english class. Help me pick the best poem. Thank you so much! answer me ASAP guys! 1. By Audre Lorde I am fourteen and my skin has betrayed me

72. ## hitory of education

The most significant reason for the decline of the Latin Grammar School was what

73. ## Physics

What rise in temperature occurs when 10g of steam at 100 degree celcius are passed into 400g of water at 10 degrees celcius taking the specific heat capacity of water to be 4.2J/gK and specific latent heat of vapourisation of steam to be 2268J/g

74. ## math

which of the functions,P,H,L,R, is a polynomial.The following are a number of terms. determine the coefficient and the degree of each a) (3/2)x to the power of five b) (root square of 2-root square of 5)x to the power nine c)7.3h to the power of to d) -13y

75. ## Algebra 1

Find the slope and y-intercept of the line 3x=7y+63 Thank you.

76. ## physics

find mass of a rocket as a function of time,if it moves with constant acceleration a in absence of external forces.the gas escapes with a constant velocity u relative to the rocket and its mass initialy was m'

77. ## math

0.5x+2=0.2x-7 lost !!!!!!!!!!!!!!!

78. ## Math/Trig

Find the length of the intercepted arc with radius 2.5 cm and a central angle of 95degrees. Round your answer to the nearest tenth.

79. ## Geometry

A lot is in the shape of a trapezoid. The sum of the bases is 180 feet. If the area of the lot is 8,100 square feet, what is the distance across the lot, i.e., the altitude of the figure? The altitude of the trapezoid is how many feet?

80. ## Physics

(a) If the position of a particle is given by x = 16t - 7t3, where t is in seconds and x is in meters, when is the particle's velocity zero? (b) When is its acceleration a zero?

81. ## Physics

find the x- and y- component of vector R which has a length of 13cm at 30.0 degrees

82. ## accounting

CHOI ENTERPRISES Inv. No. Check Date Description Name or Date No. Terms Amount Dec. 16 Merchandise sold (cost \$4,600) Hanna Seppa 916 2/10, n/30 \$7,700 17 Received credit memo on returned merch. Funk Company Dec. 15 1,040 17 Purchased office supplies KK's

83. ## physics

a plank of mass 5kg is placed on a frictionless horizontal table. further a block of mass 2kg is placed over the plank. A mass-less spring of natural length 2m is fixed to the plank by its one end. The other end of spring is compressed by the block by half

84. ## Physics

A car travels up a hill at a constant speed of 33 km/h and returns down the hill at a constant speed of 60 km/h. Calculate the average speed (in km/h) for the round trip.

85. ## Math

Suppose you plan to save \$12 per week.You have already saved \$7.50.In how many weeks will you have saved at least \$100?

86. ## Finance

calculate the annualized rate of return on a 200 day commercial paper. this loan does not pay periodic interest; it is a discount security. the face value of the paper is 1,000,000 and current market value is 980,000

87. ## Physics

Find the position and velocity of a particle at t=1.94 s if the particle is initially moving east at a speed of 19.8 m/s and experiences an acceleration of magnitude 4.08 m/s^2, directed west. Magnitude and direction of the position. magnitude- direction-

88. ## algebra

55% of the people in a town have brown eyes. you choose a random sample of 200 people to survey regarding their eye color. What is the mean and standard deviation of the proportion of people in your sample that have brown eyes?

89. ## world issues

Identify at least two issues in developing countries that make changing to democracy easier or more difficult. Provide at least one real world example of one of the issues that you identify.

90. ## MATH

In an arithmetic sequence, the first term is 100 and the sixth term is 85. Find the common difference. Then, find the 50th term of the sequence. Do I use the formula an=a1+(n-1)d? If so, what would my "n" by in the equation?

91. ## ant

What does Miner's piece tell us about the difficulty of describing another culture

92. ## physics

a physics book is on top of a drafting table at 35 degree angle. Find the net external force acting on the book and determing wether the book move or remain at rest on this position. they give you: force of friction 11N, force normal 18N,force of gravity

93. ## Calculus

Here is the problem I am working on: Romeo is commissioning the construction of a four-inch-tall box made of precious metals to give to his bride, Juliet. The jewelry box will have rectangular sides, a bottom and a top. The longer sides and the top will be

94. ## Physics

Joe is sledding down a snow hill when he collides with Mike half way down the hill. Joe and the sled have a mass of 65 kg and their velocity before the collision was 12 m/s. If Mike has a mass of 55 kg, what velocity would Joe, Mike, and the sled have

95. ## Writing

In writing the title for a painting, shoulld I italicize, underline, or both??

96. ## Physics

An electron moving along the x axis has a position given by x = 14 te-t m, where t is in seconds. How far is the electron from the origin when it momentarily stops?

97. ## ETH

Assignment: Learning Styles · Review Ch. 2 of the text. · Complete the Multiple Pathways to Learning assessment and the Personality Spectrum assessment. · Relate results to your personal study habits. · Post a 350- to 700-word response in to the

98. ## geometry

In triangle ABC, • AB is x cm long • BC is twice the length of AB • AC is 10 cm longer than AB. The perimeter of the triangle is 42 cm. Write down an equation in x and solve it. Use your answer to find the lengths of the sides of the triangle.

99. ## Hogan

Please help identify the topic subject in each paragraph: Interest rates affect our purchasing decision in a two different ways. A lower interest rate is obviously preferred to minimize expenditure being either long or short term. A lower interest rate is

100. ## NWFSC

A 277 oscillator has a speed of 122 when its displacement is 2.90 and 47.5 when its displacement is 6.80. What is the oscillator's maximum speed?

101. ## accounting

BISHOP COMPANY Inv. No. Check Date Description Name or Date No. Terms Amount Mar. 1 Received merchandise and invoice Soy Industries Mar. 1 2/15, n/30 42,600 2 Merchandise sold (cost \$7,900) Min Cho 854 2/10, n/30 15,800 3 Purchased office supplies Stacy

102. ## Geometry

The sides of a triangular lot are represented by x, 2x, and 3x + 2. Find each side if the perimeter is 362 feet. What are the 3 lengths?

103. ## Algebra

The width of a rectangle is fixed at 17cm. What length will make the perimeter greater than 94cm?

104. ## Physics

Can you show work please..? 1. Joe is sledding down a snow hill when he collides with Mike half way down the hill. Joe and the sled have a mass of 65 kg and their velocity before the collision was 12 m/s. If Mike has a mass of 55 kg, what velocity would

105. ## physics

A force of 100 Newtons acts upwards on a mass of 50 kg, another force of 60 newtons acts on the same mass downwards. calculate the accleration in which direction will be the accleration

106. ## Math

After a recent series of home improvements, four couples were having a dinner party to discuss the additions to their homes. Mike had not recently had a new bathroom. Lorraine had not yet done her kitchen, but perhaps would update it next. Chris, who is

107. ## science

the consentration of Sr(OH)2 I S 0.02 WHAT IS THE CONSENTRATION OF OH ASSUMING COMPLETE DISSOCIATION

108. ## Math/Trig

Find the area of the sector, given a central angle of 55degrees and a radius of 5.7 in. Round your answer to the nearest tenth.

109. ## English

1)as per the guidelines.... 2)per the guidelines... Which is correct?

110. ## AED 204

Write a 350- to 500-word statement that reflects on how your ethnicity influences your personal behavior, attitudes, and values. While my ethnicity is important to me, it does not control me or who I am. Ethnicity can influence my personal behavior,

One study found that passengers flying on Boeing-747s preferred them to L-1011s, while passengers flying on L-1011s preferred them to Boeing-747s. This is an example of: A. random sampling error. B. social desirability bias. C. administration error –

112. ## math

Cassandra is repaying an installment loan of 3,500 with 20 equal payments of 196.00 each.What is the annual percentage rate of the loan? A. 7.55% B.11.16% c 12% d.13.25%

113. ## statistics

Consider the following data set: 3, 4, 6, 7, 9, 9, 11. Identify a number you could add to the set to keep the mean equal to the median.

114. ## calculus

Find the point on the curve y=x^(1/2) that is a minimum distance from the point (4,0). My book says you use the distance formula. Then you let L = D^2 because the minimum value of D^2 will occur at the same value of x as the minimum value of D. What is L,

115. ## algebra

Mike would like to plant some trees so he needs to use a portion of his existing yard. The perimeter of this rectangular portion needs to be 14 yards and the diagonal is 5 yards. Can you help Mike determine the length and width of this new portion? Mike

116. ## german

im in year 9 and i'm suppose to know lods in german but all i can remeber is guten tag and ich habe.... heeelpppppppppppp!!!!

117. ## Physics

Two objects collide and bounce off one another. After the collision, object m1 = 1.67 kg moves off at 14.5 m/s at a heading of 327 degrees. Object m2 = 1.66 kg moves off at 8.9 m/s at a heading of 211 degrees. Initially, m2 was traveling at 11.8 m/s at a

118. ## English

Write 5 sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each. 1. Education "is very" (simple present tense) important in your critical role for financial success. 2. I'm "trying"

119. ## Math

How do you explain to 6 year old what a rectangular coordinate system is and why it is important in math. What information is needed to locate a point in this system? And how does this relate to mapping and finding a point on a map.

120. ## Biology

Are prokaryotes able to live on inorganic energy sources?

121. ## Physic

two rocks of unequal mass have the same kinetic energy and are sliding across a flat, level ice surface in the same direction. If the each is subjected to the same retarding force, how will their stopping distances compare?

122. ## sociology

suppose your instuctor has asked you to do a study of homessness

123. ## geometry

a parallelogram has an altitude of 19 cm and a base of 15 cm. What is its area?

124. ## Geometry

A trapezoid has an altitude of 12 cm. Its parallel sides measure 10 and 8 cm, respectively. What is it's area?

125. ## Nuclear Physics

If a polonium-210 (Po-210) atom has just decayed, how close can the ejected alpha particle get to a neighboring Po-210 nucleus? Hint: W = F*r F=kq1q2/r2

126. ## pyschology

dentify and describe the basic components of descriptive and experimental research used in psychology

127. ## college 209

multiply (2 sqrt 7 -5 sqrt 3)(8 sqrt7-5 sqrt 3)

128. ## help me pick the best poem?

which poem is the best? can you guys help me pick the best poem to analyze and present to class? What would be your second pick as well? 1. I met a traveller from an antique land Who said: "Two vast and trunkless legs of stone Stand in the desert. Near

129. ## ENGLISH

ive done ten sentences, five are verb and five are adjective, please check. 1. Lily bought a pink cat mask for the halloween party. 2. Anna was covering her scar with makeup as she didn't want anyone to make fun of it. 3. Tory dressed up in disguise to

130. ## math

x-3y=1 x2-2xy+9y2=17 solve simalteneously

131. ## Algebra

Find the indicated outputs for f(x)=¡¼5x¡½^(2 )-2x f(0)= f(-1)= f(2)=

132. ## Physics

A hot-air balloon is ascending at the rate of 13 m/s and is 62 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? (b) With what speed does it hit the ground?

133. ## MATH

Determine the exact value of x. a. 3^2x = 5(3^x) +36 b. (1/8)^x-3 = 2x16^2x+1 c. 3^x2 + 20 = (1/27)^3X

134. ## medical terminology

I'm taking the medical terminology course and I'm at the part of the course that is working with ICD 9 CM codes. I'm in Chapter 2 of the Medical & Dental Associates, P.C. Insurance Forms Preparation work book and now I'm trying to do the exercises but I

135. ## Keyboarding and Word Processing

In a business report what spacing should you use between lines?

136. ## English

Can you please check these sentences as a comment to the famous soliloquy "To be or not to be"? 1)Hamlet wonders whether it is better to leave things as they are bearing the “slings and arrows” of outrageous fortune or to make a stand against his mass

137. ## college math 209

use the quadratic formula to solve for x, 3x^2 + x -8=0

138. ## ART

we have to pick a famous painting to do a art project on. I picked the famous Mona Lisa. My question is that why does the Mona Lisa smile?

139. ## health

would saying the patients condition has improved with new medication be an examploe of de-identified information?

140. ## trigonometry

---I asked this question Solve the following right triangles: a. a=117 ft, b=16.35 ft b. B=8 degrees 29',and a=32.8 ft Reiny was kind enough to post this reply. "solving" a triangle involves finding all missing sides and angles, so in a) you found the

141. ## computer science

What are the differences between VPN and private network?

142. ## math

In an ANPR system the time that a vehicle passes a monitoring point is recorded. A suspicious vehicle can be tracked along the motorway by noting the time it passes each ANPR monitoring point. If a car passes monitor A at 22.12.06 and monitor B at 22.54.07

143. ## Math

Is this answer correct? Jeremy is in Grade 8. He has a paper route and wants to save for his college education. He determines that he has \$100 per month to put into an account at 6%/a compounded monthly. How much will he have at the end of five years for

144. ## algebra

find the possible values of a, if the distance between the points is 5, and the coordinates are (1,1) and (4,a)

145. ## IT

Hi, IS it correct that DHCP is a protocol that enables network devices to share a pool of IP addresses. Is it also correct that DHCP operates at the APPLICATION Layer of the OSI model. Thanks

146. ## English

I forgot to include these other sentences. I hope you can have a look at them, too. 1) If death, unlike sleep, is an end in itself, that is all earthly troubles are finished with it, then it is very desirable. As in sleep there is the possibility of

147. ## physical chemistry

What is a typical speed for a N2 molecule in this room? a) 50 m/s b) 500m/s c) 1500 m/s

148. ## chemistry

What products are formed when sucrose is heated in an aqueous sulfuric acid solution? What role does the acid play?

149. ## Physics

If a polonium-210 (Po-210) atom has just decayed, how close can the ejected alpha particle get to a neighboring Po-210 nucleus? Hint: W = F*r F=kq1q2/r

150. ## MATH!!!!!HELP

2x+3y = 7 4x-3y = -19 6x=12/6 x = -2 this is elimination method. i have few questions, when do we know wen to add or subtract? multiply? how? i don't know nothing.

151. ## Algebra

In 1995, life expectancy of males in a certain country was 72.6 years. In 2000, it was 76.1 years. Let E represent life expectancy in year t and let t the number of years since 1995.

152. ## Physics

A 3 kg cart is moving along when it strikes a 2 kg cart (initially at rest). The velocity of the two-cart combination after the collision is 4 m/s. Calculate the velocity of the 3 kg cart before the collision.

153. ## Physics

Tyler is standing at the 10-yard line waiting to catch the initial kick-off. The .75 kg football experiences a change in velocity of 12 m/s in .17 s when caught by Tyler. What force does Tyler apply on the football?

154. ## Physics

If a polonium-210 (Po-210) atom has just decayed, how close can the ejected alpha particle get to a neighboring Po-210 nucleus? Hint: W = F*r F=kq1q2/r

155. ## algebra

simplify as much as possible uã6w^3 + wã96wu^2

156. ## English

Thank you very much for your corrections. Here are the sentences I tried to reword. 1) Hamlet considers the reasons which may lead us to take our own life. He thinks of the punishments and insults which people who are good and quiet take from those who are

157. ## hcr/220

Part One of Two: Ø Resources: Appendix A, Appendix C, and Table 8.3 on pp. 258-259 of Medical Insurance Ø Due Date: Day 7 [Assignments section] January 16, 2011 A 67-year-old Medicare patient presents to the office, exhibiting symptoms of HIV infection.

158. ## English

I forgot to include the following sentences. 1) I had a stomachache OR I had stomach ache? 2) I have a terrible sore throat. I think you should take a dose (can you say an effervescent tablet) of anti-inflammatory after main meals (lunch, dinner) and a

159. ## medical terminology

I'm taking the medical terminology course and I'm at the part of the course that is working with ICD 9 CM codes. I'm in Chapter 2 of the Medical & Dental Associates, P.C. Insurance Forms Preparation work book and now I'm trying to do the exercises but I

160. ## physics

A mass of 10kg is placed on the top of a plane inclined at 45 degrees to the horizontal and allowed to slide down. What is the acceleration of the mass if the frictional force opposing is 3.2N.

161. ## physical

V1=3m3,P1=1.2KPa T=const How much will be change P if A) volume reduced to 1.5 ,2 and 2.5 B) volume increase to 1.5 ,2 and 2.5

162. ## physics

three dimensional identical balls 1,2 and 3 are placed on a straight line at a separation of 10m between balls . initially they are at rest. ball 1 is given a velocity of 10m/s towards ball 2. collision between ball 1 and 2 is inelastic with e=0.5 . but

163. ## Ecology

Why is it that carnivores are better able to incorporate energy into themselves than herbivores?

164. ## Social Studies

in the past 3 decades, how has the role of profit changed the reporting of the news? when did this shift begin?

165. ## Chemistry

True/False 1. Diatomic molecules contain two atoms?T 2. Electrons travel in pairs? T 3. The energies needed to break chemical bonds can be measured T 4. Bonding involves all the electrons in an atom T 5. Lewis structures are used to describe bonding? F 6.

166. ## SOCIALS !!!ASAP!!!

some reasons why the metis were frowing dissatrisfied with canadian government

how has Potash Corp. Saskatchewan have a plant in brazil? or any other efficient advantage?

168. ## physics

three dimensional identical balls 1,2 and 3 are placed on a straight line at a separation of 10m between balls . initially they are at rest. ball 1 is given a velocity of 10m/s towards ball 2. collision between ball 1 and 2 is inelastic with e=0.5 . but

169. ## English

Here are the last sentences of the day. Thank you very much! 1) I bruised my knee from falling off the skateboard. You should spray it with a disinfectant (better: disinfect the wound) and put a bandage on it. I think you should rub some cream on it. 2)

170. ## Art

I need to know about the symbolism in Olympia, can you explain what this means please.

171. ## To "sreeram"

Please do not copy and paste information without citing its source. Failure to do that is plagiarism, and that is not something we allow on this site.

172. ## physics

two masses m' each are hanging with help of a light string,which passes over mass less pulley. mass A starts leaking out at a rate of u kg/s with velocity v' with respect to mass A. find kinetic energy of block B as a function of time.

173. ## college math 209

solve for y, 5y^2-13y=6 I did forget the exponent the first time..

174. ## writing

Write a 100-word passage to Susan Anker, the author of the course’s textbook, in which you describe five details from her book that are good and five details about the book that are written well.

175. ## Ecology

Why is more energy Produced from photosynthetic organisms than from chemosynthetic bacteria?

176. ## Algebra

Solve h=30r+20

177. ## math

According to a survey of 100 people, 15 percent of the people chose famous landmarks. How many people chose famous landmarks as their favorite vacation destination?

178. ## Geometry

a = 12 ft. b = 8 ft. a = How many sq. ft. ?

179. ## algebra

solve for u, u=sqrt -u+6 u=ã-u+6

180. ## physics

what is the formula for momentum?

181. ## physics

two masses m' each are hanging with help of a light string,which passes over mass less pulley. mass A starts leaking out at a rate of u kg/s with velocity v' with respect to mass A. find kinetic energy of block B as a function of time.

182. ## chemistry

what is the length of an equilateral triangle when the area is 45 meters square?

183. ## AP Chemistry

A chemist mixes 200.0mL of 0.800 M Fe(NO3)3 and 300.0 mL of 0.750 M K2Cr04 and enough of either 0.400 M KOH or 0.400 M Pb(no3)2 to end up with only two spectator ions in solution. a. How much precipitate will be formed b. How many mL of KOH or Pb(No3)2

184. ## math

Solve: 3^2x+1 = 70

185. ## chemistry

what masses of Mg and O2 must be contained to make exactly 2000g of Mgo

186. ## Algbra

How do you solve this problem? 3/5k - (k + 1/3) = 1/15 (k + 3) Please show me the steps. Thanks.

187. ## Maths

3x - 6 = 3x/4 With my working out I got x = 24/15 The answers say that x = 8/3 I've tried it several times and got the same answer. IDK whether im right or wrong, please help!! thanks

188. ## Social Studies

how has the internet changed video voyeurism?

189. ## science project

need to take an object from point a to point b and back to a and your only allowed to touch the project once to start. any ideas? No batteries, electric or blowing on it allowed. You can use water and magnets.

190. ## ENGLISH

Begin five sentences with the synonym of yellow. 1.Bumblebees collect nectar from flowers to create honey. 2.Daisies were Sally's favourite kinds of flowers as they always seemed to be happy and smiling. 3.Lemon was Andrew's favourtie gum flavour, as he

191. ## Algebra

What is the net averge of 5, 31, and 29?

192. ## chemistry

A ballon has a circumference of 42 cm what should the volume be in centimeters cubed?

193. ## western civilization

The first Eastern Bloc countries to experience the dismantling of Communist party control were

194. ## algebra

a^2 + a - 240

195. ## Human service

how can you identify gestures in nonverbal communication when the person is not speaking.

196. ## MATH

A is the midpoint of BC. BA=2x+5 and BC=5x-3. solve for x and find the length of BC

197. ## algebra

simplify 27^2/3

198. ## Math !!!!ASAP!!!!!

Where can I find a worksheet for odering scientific notation numbers?

199. ## Algebra

Solve for the indicated letter. f=6p,for p

200. ## college math 209

solve for y, 5y^-13y=6

1

202. ## History

How do you Create a timeline using A.D. and B.C.?

203. ## math

you borrow 5,000 at APR 4% percent find the interest i after 18 months?

204. ## english

complete the story on the basis of the beginning given below in at least 300 words. Anshuman felt a severe pain in the left part of his chest. He was seating on the terrace right then, and being overweight he struggled to reach his room to make a call to

205. ## college 209

multiply (2ã7-5ã3)(8ã7-5ã3)

206. ## science

how many grams of product can be made from 1 mol of ethanol

207. ## preski

what is your fav. font ,what color and why?

208. ## college math 209

solve the equation (x+4)^2=2x^+19x+46