# Questions Asked onSeptember 23, 2011

1. ## geometry

If EF = 6 and EG = 21, find the value of FG. The drawing is not to scale.

2. ## Grammar

what is the agreement error in the following sentence: One of the options concerning his future surgeries were discussed with him.

3. ## english 30-1

write a short compostion discussing social satire in happy event. what aspects of society is satized? how are devices like irony and hyperbole is used to achieve satire? what changes does the author suggest?

4. ## binomial probabbility

The author purchased a slot machine configured so that there is a 1/2000 probability of winning the jackpot on any individual trial. Although no one would seriously consider tricking the author, suppose that a guest claims that she played the slot machine

5. ## Math

A metal cylinder with a 4 inch radius and a 10 inch altitude is melted and recast into solid right circular cones each with a 1 inch radius and 2 inch altutudes. What is the number of cones formed?

6. ## physics

Mass of a block is 3.9 kg and volume is 0.0005 m. Find density in g/cm

7. ## physics

Driving home from school one day, you spot a ball rolling out into the street (see the figure ). You brake for 1.00 , slowing your 970- car from 16.0 to 9.50 .

8. ## physics

A truck is stopped at a stoplight. When the light turns green, the truck accelerates at 2.5 m/s squared. At the same instant, a car passes the truck going 15 m/s. Where and when does the truck catch up with the car?

9. ## math

Tony has a piece of wire 36 inches long. He bent it into a quadrilateral with sides of equal length and angles of equal measure. (Part A) Classify the quadrilateral. Give all the names that fit. (Part B) Justify your answer with evidence.

10. ## organic chemistry

The density of a liquid whose boiling point is 63-65 oC was determined to be 0.74 ± 0.05 g/ml. What is the liquid?

11. ## Math

Two chords intersect inside a circle. The lengths of the segment of one chord are 4 and 6. The length of the segment of the other chords are 3 and what?

12. ## Physcial Science

Hey There, I have 4 questions that I am totally stumped on... Can anyone help? A 200-gram chunk of stuff rises in temperature by 3oC when you input 1200 calories of heat. What is its specific heat capacity? Answers A)50 cal/goC. B) 2 cal/goC. C) 5 cal/goC.

13. ## Physcial Science

Hey There, I have 4 questions that I am totally stumped on... Can anyone help? A 200-gram chunk of stuff rises in temperature by 3oC when you input 1200 calories of heat. What is its specific heat capacity? Answers A)50 cal/goC. B) 2 cal/goC. C) 5 cal/goC.

14. ## Grammar

Thx, Sue!!! Can u please help me with these others. Agreement errors: 1) Verb tense error 2) subject verb error 3) pronoun agreement error 4) modifer placement error 5) parallel structure error Q:The patient is thin, combative, uncooperative, oriented only

15. ## math

What would your solution set be? Please be sure to show your work so that we can discuss the solutions. x + 4y = 1 2x + y = 7

16. ## Physcial Science

Hey There, I have 4 questions that I am totally stumped on... Can anyone help? A 200-gram chunk of stuff rises in temperature by 3oC when you input 1200 calories of heat. What is its specific heat capacity? Answers A)50 cal/goC. B) 2 cal/goC. C) 5 cal/goC.

17. ## Chemistry

How to draw the abbreviated structural formula in truncated form of reaction known as esterification of glycerol.

18. ## sociology

All deviance is a crime but not all crime is deviance. Question 6 answers a)True b)False

19. ## Chemistry

1. Molarity is to moles of solute over liters of solution as molality is to A. molar concentration over molal concentration. B. moles of solute over kilograms of solvent. C. molal concentration over molar concentration. D. moles of solute over moles of

20. ## English

I have a question about the point of view of this would be story; It starts with this sentence: I was drving down the mainstreet in a small city and was astounded to see an old buddy looking like he had been dragged through the mud.. The story will

21. ## Microeconomics

Discussion Question 2 Thirty years ago, the market for chicken was perfectly competitive until Frank Perdue began marketing chicken under his name. How do you suppose Perdue created a brand name for chicken? What did he gain from doing so? What did society

asked by Ms. Jones
22. ## College Chemistry

What is the pH when 10 mL of 1 M acetic acid is added to pure water so that the final volume is 100 mL? The Ka for acetic acid is 1.74 x 10^(-5)

23. ## chemistry

A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC

24. ## Chemistry

If a solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC ..is how many

25. ## programming

write a program in C# that calculates and prints the take home pay for a commissioned sales employee. allow the user to enter values for the name of the employee and the sales amount for the week. employee receives 7% of the total sales. federal tax rate

26. ## geometry

how can i inscribe an angle 9 and 3/8 degrees in a circle of radius 2 cm?

27. ## Chemistry

How many moles of ions are released when this sample dissolves in water? 26.4 g of Ba(OH)2·8H2O

28. ## Math,Word problems(algebra)

Kai Ling has 4m kg of flour.She bought 2 more packets of flour, each of mass m kg.How much does she has now in terms of m? Please help me

29. ## English

Could you please check these sentences for me? Thank you. 1) I haven't got any pet animals. In my free time I go out with my friends, I go to the cinema and I play my guitar. I also go swimming once a week. 2) I usually go horse riding (not "do horse

30. ## Chemistry

1)Define the term'geometric isomers' 2)Give geometric isomers and corresponding names for the following condensed structural formula: CH3CH2(CH)2CH3

31. ## English

I left out the following sentences. Thank you very much. 1)I like wearing casual clothes, such as T-shirts, jeans and sneakers. This year I took a motorbike driving licence. I like motorbike riding very much. 2) I like studying the Italian and the world

32. ## math

can anyone show me how to devide 24 into 1,881?

33. ## Math the end

Can domeone help me with this? solve 7x + 4 ¡Ý - 31 or 9x + 4 ¡Ý - 21 I need to know how to write the solution {x x> } This is my last day of this class

34. ## physics

Calculate the force with which the body will fall on u. Also calculate, the kinetic energy, when body will be at height 6 ft. from ground. (take g=9.8m/s, mass of body=62 kg..)

35. ## public health

An investor who has \$1,000,000 is thinking of investing in building and operating a private hospital, but he is unable to decide about the form of business that is most suitable to his investment. - Sole proprietorship. - Partnership. - Or Corporation. As

36. ## English

e.g.The sound was from an iceberg which was breaking up. (What is the meaning of 'up'? Does 'up' mean 'completely'? Can we use 'breaking' without using 'up'? And does 'breaking up' mean 'melting'?)

37. ## chemistry

alum 27 bombarded with neutron, gamma emitted. What is isotope?

38. ## information technolgy

hi I need help with this question.how numbers such as isbn,id,student,work with ciphers.And i also needed simple information on ciphers.

39. ## calculus

using f'(x) as the limit of h approaches 0 [f(x+h)-f(x)]/h find: f'(x), given f(x)=|x|

40. ## algebra

how do you substitute these system of equations 1.y=-3x-3 y=3x-3 2.y=4x-6 y=x thank you!

41. ## Science(science project info)

How does colored cellophane light affect plant growth?

42. ## resources for educating young children and diverse

which of the following measures is not recommended when teaching children with limited vision? (a)keep doors either fully open or completely shut (b)limit the number of visual cues you use with the student in favor of auditory cues (c)outline the edges of

43. ## Chemistry

Write down (a) condensed and (b) skeletal structural formulas for isomers of an organic substance whose chemical formula has 5 carbon atoms and 12 hydrogen atoms and (c) provide the common name for each of the isomers

44. ## physics

a gun is fired by a person is standing in a large open field between two high mountains 150 m from the nearest mountain; so that he hears marked echoes, separated by a time interval 1 sec caculate the distance between the two mountains assuming that the

45. ## english

I expect a friend to be both honest and a loyal person.

46. ## geometry

how can i make a polyhendra using paper4

47. ## Fractions

solve 9/10(3+8x)+3¡Ý15 How do you multiply the fraction?

48. ## microbiology

Why is important to study microbial activity?

asked by Xue Lin
49. ## geometry

The shortest side of two polygons have lenghts in the ratio 2:5.The perimeter of the smallest polygon is 20. what is the perimeter of the large polygon?

50. ## physics

Driving home from school one day, you spot a ball rolling out into the street (see the figure ). You brake for 1.00 , slowing your 970- car from 16.0 to 9.50 . What was the magnitude of the average force exerted on your car during braking? How far did you

51. ## Statistics

statistics (mean, median, mode): X=3 and the first score is 2 points above and the second score is 4 points above how many points below is the third?

52. ## Math

How can you use rounding when estimating

53. ## Math

The lengths of the sides of a triangle are 6,7, and 9. What is the longest side of a similar triangle whose shortest side is 4.

54. ## Algebra II

I need to write a polynomial in SIMPLEST FORM having roots 2,-2 and 4. I have to gt rid of the parentheses by multiplying everything out.Did I do it correctly? Also, someone said yes yesterday , but I'm wondering if it is suppose to have anything else done

55. ## calculus

Imagine that you live on an infinitely long and straight street called Infinite Drive. The addresses on Infinite Drive are given by real numbers. Your address on the street is π while your friend Patrick’s is √3 and Karen’s is sin60°. There are two

56. ## math

Amy bought some stationary from a bookstore. The total cost of 3 files A,B,C was \$5.60 more than the total cost of 4staples. A cost \$1.90 less than each of the other 2files. B cost \$4.20 more than each staple. Find the cost of C

57. ## physics

015 (part 1 of 2) 10.0 points A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 21 below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest

58. ## Calculus

Imagine that you live on an infinitely long and straight street called Infinite Drive. The addresses on Infinite Drive are given by real numbers. Your address on the street is π while your friend Patrick’s is √3 and Karen’s is sin60°. There are two

59. ## Calculus

F(x) = 1-x and g(x) = 1/x These functions have the property that f = f^-1(inverse) and g = g ^-1. That is, the inverse of f is equal to itself and the inverse of g is also equal to itself. Take the composition of each function with itself to show that this

60. ## Calculus

F(x) = 1-x and g(x) = 1/x Write in the form (ax + b)/(cx + d) a.What are all the possible values of a, b, c, and d? b.Find all the functions fo the form f (x) = (ax + b)/(cx + d) with the property that f o f^-1 = x

61. ## Algebra 116 A

I need to write an interval notion for 9

62. ## physics

A stone is thrown vertically upward with a speed of 22.0 m/s. How fast is it moving when it reaches a height of 12.0 m?

63. ## physics

a boy starts from point a and moves 5 units toward the east, then turns back and moves 3 units toward the west. What is the dispacement in the position of the boy?

64. ## physics

a boy starts from point a and moves 5 units toward the east, then turns back and moves 3 units toward the west. What is the dispacement in the position of the boy?

65. ## grammar

NEED EXAMPLES OF SENTENCE TREES FOR MY KIDS.

asked by MRS. FRASER
66. ## chemistry

If a solution containing 0.22 M Cl -, Br -, I -, and CrO42- is treated with Ag+, in what order will the anions precipitate?

67. ## algebra 1

how do you solve this problem : 7t=x,for t

68. ## Algebra 116 A

solve and graph 2x+9 greater or equal to 5 and 2x-13 greater or equal to -9 the solution is {x x greater or equal to ?} What is the ? help

69. ## Calculus

Find one sided limit lim x->2+ 1/(1+e^(1/x-2))

asked by Dylan Brow
70. ## algebra 1

solve this one step by please : q-r=r, for r

71. ## English

Can anyone help me with this? After the sentence, identify the underlined part as a prepositional phrase used as an adjective, prepositional phrase used as an adverb, participle, participial phrase, infinitive, or infinitive phrase. Would you like to know

72. ## algebra 1

solve this one step by step : 7a-b=15a, for a

asked by betty boop
73. ## sociology

What aspects of the social and work environment in a fast-food restaurant would be of particular interest to a sociologist?

74. ## Science

In high energy physics, a particle called lambda has zero charge and may be thought of as a neutron with a strange quark replacing a down quark. One way this particle decays is by conversion into proton and emission of a muon and a muon antineutrino via

75. ## chemistry

Do the relative proportions of elements ina agiven compound vary from sample? pls help

76. ## chemistry

Do the relative proportions of elements ina agiven compound vary from sample? pls help

77. ## sociology

According to Max Weber, rational motives are easy to understand and predict because ends and means can be calculated and behavior changed on the basis of experience. True False I think false..maybe...help

78. ## physics

A motorist increase speed from rest and in 21s reaches am a speed of 20km/hr.What is (a)the uniform acceleration in ms-2?(b)the distance covered in the time interval?

79. ## algebra 1

solve step by step this problem: q-r=r, for r

80. ## Math

If the legs of a right triangle are 8 and 10 what is the length of the hypotenuse?

81. ## physics

Two particles A and B are in uniform circular motion about a common center. The acceleration of particle A is 4.7 times that of particle B. Particle B takes 2.4 times as long for a rotation as particle A. Th ratio of the radius of the motion of particle A

asked by Audrey Petricevich
82. ## chemistry

which liquid, propane (C3H6) or ethanol (C2H5OH)would have the greatest surface tension?

83. ## physics

A car starts from rest and accelerates uniformaly at the rate of 0.98m/s in 1hr.what is its final velocity? A car starts from rest and reaches a velocity of 40m/s in 1minutes..(a)what is its acceleration?(b) If its acceleration remains constant,what will

84. ## Geometry

Three consecutive vertices of a parallelogram are points (2,4) (0,0) and (6,0). What is the fourth vertice point?

85. ## Chemistry

How many grams does 0.500 moles of CuBr weigh?

86. ## math

Richard took a loan of \$10000 at a rate of 4%. If he paid \$1600 in interest, how many years did it take to pay back the loan?

87. ## Math

Enter in standard form of the line passing through point B(2,-5) m= *2/3

88. ## Managerial Finance

Due to a recession, expected inflation this year is only 2%. However, the inflation rate in Year 2 and thereafter is expected to be constant at some level above 2%. Assume that expectations theory holds and the real risk-free rate is r* = 2.25%. If the

89. ## Managerial Finance

The real risk-free rate is 2.1%. Inflation is expected to be 2.2% this year, 3.95% next year, and then 3.05% thereafter. The maturity risk premium is estimated to be 0.05(t - 1)%, where t = number of years to maturity. What is the yield on a 7-year

90. ## Math

They have changed the rules for resolution passage within the UN Security Council. It still takes all 5 permanent members to vote “for” a resolution, but it will now take a total of 11 “for” votes to pass. How many ways can a resolution pass?

91. ## algebra/geometry

what is the area of a triangle 8'. tall with a 6". base, sitting on 1/2 a circle

92. ## Physics...Help please

The problem is from fundamentals of physics 9th edition by halliday. Here is a free download of the book since I couldn't post the graph (I had to write out link since site doesn't allow links to be posted): tripplew period sendspace period com/file/shrz0x

93. ## Math 116a

Solve 9/10(3+8x)+3¡Ý15 The solution is {x|x }

94. ## math-logic(shsat)

Question: If 15 - 2x < 7, then for all possible values of x that make the inequality true, (a) x8 (c) x>4 (d) x1/4 Answer: i chose the answer (d) but the answer of the book said (c). i understand where they are coming from we have to change the inequality

95. ## math

Jill Ley took out a loan to pay for her child's education for \$60,000 the loan wouls be repaid at the end of 8 years in one payment with an interest of 6 percent the total amount Jill has to pay back at the end of the loan is.

96. ## Sociological

There are three primary sociological theries discussed in Chapter One of the text, Introduction to Sociology. Briefly summarize each theory and the major differences across the Functionalist, Conflict, and Symbolic Interaction perspective.

97. ## Math116

Graph the equation by plotting points 42-6y=0

98. ## Math 116a

Solve and Graph 2x+9¡Ý5 and 2x-13¡Ý-9 The solution is {x|x¡Ý } Help

99. ## physics

it takes you 8.8 minutes to walk with an average velocity of 1.3 m/s to the north from the bus stop to the museum entrance. how far did you walk? answer in units of m

100. ## math

rewrite equation in standard form: 1+1/5y = 1/3x

101. ## math

What is the side length of a square with an area of 40cm squared?Measured with a ruler, this side length is between what 2 consecutive whole cm?

102. ## Geography

The people of Africa vary greatly across the continent. Thousands of different ethnic groups occupy this vast continent. In two or three well-developed paragraphs, suggest two ways in which ethnic groups can differ from one another besides language

103. ## math

Draw rhombus with diagnol 5.2 and 6.7cm long

104. ## english

can u help me with this rhyme? small parts of wild plants it's dealing with possessive nouns

105. ## chemistry

A potassium nitrate solution is prepared by dissolving 2.3 g of KNO3 in 25 mL of water. What is the concentration of this solution in units of grams of solute per 100 mL of solvent?

106. ## organic chemistry

how many carbons in nonane are in the sp2 hybridization state

107. ## physics

A runner’s velocity along a straight track is 3.2 m/s at time 8.0 s and 2.2 m/s at time 11 s. Find the runner’s average acceleration during this time interval.

108. ## physics

A jetliner, traveling northward, is landing with a speed of 62 m/s. Once the jet touches down, it has 700 m of runway in which to reduce its speed to 5.6 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the

9

110. ## algebra2

select one factor of x^2 +16x+63

111. ## College Chemistry

If 10 mL of 1M NaOH are added to one liter of a buffer that is 0.3 M acetic acid and 0.2 M sodium acetate (Na+CH3COO-), how much does the pH change? The pKa for acetic acid is 4.76.

112. ## English

I I met my favorite singer on the street, _____________________ 1. I would would ask his autograph. 2. I would ask him to sign in my notebook. 3. I would like to have pictures taken with him. 4. I would just smile at him. 5. I would follow him taking

113. ## physics

A 358-kg boat is sailing 15.9° north of east at a speed of 1.80 m/s. Thirty seconds later, it is sailing 36.6° north of east at a speed of 3.68 m/s. During this time, three forces act on the boat: a 29.7-N force directed 15.9° north of east (due to an

114. ## American Gov

Was The Virginia Plan and the New Jersey Plan were substantially the same. True or False

115. ## statistics

The Ace AirLines has a policy of overbooking flights. The random variable x represents the number of passengers who cannot be boarded because there were more passengers that seats. x P(x) 0 0.061 1 0.132 2 0.255 3 0.345 4 0.207 a)Is this a probability

118. ## probabilty

Smitty's Bar and Grill has brand name recognition of 61% around the world. Assuming we randomly select 2 people. The assumptions of a Bernoulli process are met. What is the probability a)exacatly 5 of the 12 recognize the name of Smitty's Bar and Grill?

119. ## American Gov

Under Article V of the U.S. Constitution there are two ways to propose an amendment to the Constitution: by a two-thirds (2/3) vote of both houses of Congress, or by a national convention called by Congress at the request of two-thirds (2/3) of the state

120. ## regression

You have heard about but never took seriously the Old Farmer’s Almanac claim that you can tell the temperature of the air by counting the number of cricket chirps in 1 minute. You decide to test the claim so one night when the temperature was 76 degrees

121. ## Statistic

The following data lists the average monthly snowfall for January in 15 cities around the US: 20 13 15 28 16 25 2 14 35 42 5 34 34 38 29 Find the mean, variance, and standard deviation.

122. ## Geometry

What is the area of a rectangle with a length of 8 inches is 48 square inches. what is the perimeterof the rectangle?

123. ## Math

Solve by Elimination 2x+3y=2 4x+6y=4 I got the answer there are infinitely many solutions I hope this is correct? Please help

124. ## nursing

How do decision theory, probability theory, inference, and generalization relate to data analysis?

125. ## algebra

In a set of 400 values, the mean is 121 and the standard deviation is 14. Estimate how many values fall in between each interval. a) 107 - 135 = b) 93 - 149 = c) 79 - 163 =

126. ## binomial probabbility

Assume that a procedure yields a binomial distribution with a trial repeated n times. use the binomial probability formula to find the probability of x success given the probability p of success on a single trial. 1. by formula- n=9, x=2, p=0.35 2. by PDF-

127. ## physics

A car accelerates from 80 to 90 , while a moped accelerates from 0 to 20 in twice the time. Which of the following is true? they both have the same magnitude of acceleration the moped has the greater acceleration the car has the greater acceleration

128. ## physics!

The driver of a 1560 kg automobile traveling at 24 m/s on a leve, paved road hits the brakes to stop for a red light. determine the distance needed to stop the car if the coefficient of friction between the car tires and the road is .80 -one of the steps

129. ## random variables

In new jersey's pick 4 lottery game, you pay 50 cents to select a sequence of four digits, such as 1332. if you select the same sequence of four digits that are drawn, you win and collect \$2788. 1. Find the expected value?

130. ## Bioligy

elodea and paramecium from a fresh water lake be expected to surfive if transported into the ocean

131. ## Computers

How do you start making your own website? My career opportunity when I graduate high school is to be a web designer.

132. ## ENGLISH

Is this question grammatic correct.Set the alarm,and i will study in the morning.

133. ## chemistry

A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC

134. ## Chemistry

The US fuel consumption for a car with a fuel-tank capacity of 65.0L is 28.0 miles per US gallon. The density of gasoline is 0.740g/cm^3. How long a trip, in kilometers, can be made on a full tank of gasoline? (Use the conversion factor 1L/1.06qt.)

135. ## math

(1)I am thinking of a 5-digit odd number. (2)The sum of all its digits is 20. (3) The digits in the hundreds place and in the tens place are consecutive numbers. When you multiply the digits in the tens and hundreds places, you get the digits for the

136. ## English

As a result, we will plan on checking on him again in August or July next summer. Does this sentence require any punctuation, other than what I have?

137. ## Fractionsz

Solve 8 2/5 x 15

138. ## physics

An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic waves that travel 15360 m/s in seawater. How deep is the water directly below the vessel if the time delay of the echo to the ocean floor and back is 46 s? Answer in units of m

139. ## Geometry

Plese show how it is possible for two triangles to intersect in one point, two points, etc, but NOT in seven, eight, nine...points.

140. ## algebra

an someone show me the steps to solve this problem? x^2 + 5x +8 divided by x + 3

141. ## math

a millionaire leaves 1.4 million dollars in his will to be shared between his three children in the ratio of their ages. if they are 24,28,32 years old, calculate to the nearest dollar the amount they will each receive? PLEASE HELP!!!

142. ## physics

a car traveling initially at +7.0 m/s accelerates uniformly at the rate of +0.80m/s2 for a distance of 245 m. what is its velocity at the end of the acceleration?

143. ## economics

Annual demand and supply for the Entronics company is given by: QD = 5,000 + 0.5 I + 0.2 A - 100P, ...

144. ## Physics

Janet jumps oﬀ a high diving platform with a horizontal velocity of 2.37 m/s and lands in the water 1.9 s later. How high is the platform? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m

145. ## science

if a car travels 93 km/h, what rate is it traveling in km/min

146. ## Tourism

Hi, well i'm having a problem..and i would be very grateful to you if you can help me on this, can someone tell me how culture helps in attracting foreigners in our country? thank you in advance.. Taskeen

147. ## science

over seven days, a plant grew from 12 cm to 33 express its average growth rate in cm/day

148. ## science

if an objects moves 5 cm/h what is its rate expressed in cm/day

149. ## Math

There are one thousdand students in Central High School. Three hundred twenty-eight of the students are seniors. Write the decimal that shows what part of the student body is in the senior class.

150. ## chemistry

is it possible to find out the aluminium phosphide from the stomach wash of 3ml

151. ## science

if you count 12 pulse beats in 10 s what is the pulse rate in beats per minute

152. ## Chemistry

Very confused! Converting between grams of a compound and grams of a constituent element Determine the mass of oxygen in a 5.8 g of NaHCO3 5.8 g NaCHO3 * 1 mol NaCHO3/ 84.01 NaCHO3 * 48.00 mol O / 1 mol NaCHO3 * 16.00 g O/ 1 mol = I got 53 but the answer

153. ## Physics

Vector A has a magnitude of 7 and is at an angle of 22.5 degrees measured counter-clockwise from the x axis. Vector B has a magnitude of 12 and is at an angle of 110.4 degrees measured counter-clockwise from the x axis. Vector C has a magnitude of 6 and is

154. ## Chemistry

Calculate the pH of 0.0115M acetic acid solution at 25 degrees celcius with Ka=1.75*10^-5

155. ## Chemistry

Define the terms 'weak acid' and 'catenation'

156. ## Physics

A ball is thrown vertically up and from the ground with a velocity of 20ms. Calculate: a-The maximum length reached. b-The time to reach the maximum height. c-The time to reach the ground again after the ball is thrown up. d-The velocity reached halfway to

157. ## statistics

CALCULATE THE MEAN DEVIATION FROM 1)THE MEAN,THE MEDIAN OF THE FOLLOWING SET OF EXAM MAQRKS ,45,32,37,46,50,60,70,0,84

158. ## word problem(algebra)

on monday,Linus made 5k paper cranes&gave 2k paper cranes to his friends.on tuesday,he made another 4k paper cranes.his friend gave him 5 paper cranes.how many paper cranes does he have now in terms of k? Help me please !

159. ## science

find tghe density of mineral oil (in g/mL) if .25 gallon of oil has a mass of .400kg

160. ## physics

A cyclist maintains a constant velocity of 5.9 m/s headed away from point A. At some initial time, the cyclist is 242 m from point A. What will be his position from point A after that time? Answer in units of m