# Questions Asked onMay 1, 2012

1. ## PHYSICS

A 5.0 cm diameter coil of 20 turns with a resistance of 0.50 Ù is in a time-varying magnetic field which is perpendicular to the coil and is given by the expression; B = 0.010t2 + 0.020t, where B is in tesla and t is in seconds. a) Draw a graph of B as a

2. ## MATH

3 boys or 5 girls can clean a compound in 8 hours. in how many hours will 2 boy 2 girls clean the same compound

3. ## Chemistry

A direct-current power supply of low voltage (less than 10 volts) has lost the markings that indicate which output terminal is positive and which is negative. A chemist suggests that the power supply terminals be connected to a pair of platinum electrodes

4. ## world history

What would be a probable explanation for why there are many endemic plants and birds in new Zealand, but no native mammals? A. They were driven away by non-native mammals. B. plants and birds would make ocean crossings to isolated new Zealand islands,

5. ## surface and volume

A glass vase weighs 0.12lb, how much does a similarly shaped vase of the same glass weigh if each dimension is 6 times as large? possible answers; 4.32lbs 25.92lbs 0.72lbs 155.52lbs These are the last problems I have and I can't figure them out can someone

6. ## CEMISTRY

Consider a weak acid HX. If a 0.10 M solution of HX has a pH of 5.87 at 25°C, what is ΔG° for the acid's dissociation reaction at 25°C?

7. ## English (Poetry)

"Epigram on Milton" by John Dryden Three Poets, in three distant Ages born, Greece, Italy, and England did adorn. The First in loftiness of thought surpassed; The Next in Majesty; in both the Last. The force of Nature could no farther go: To make a third

8. ## Physics

3. A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved?)

9. ## Algebra 2

A baseball player swings and hits a pop fly straight up in the air to the catcher. The height of the baseball in meters t seconds after it is hit is given by a quadratic function h(t) = −5t^2 + 10t + 1. What is the maximum height of the baseball?

10. ## physics

a ball rolls down a roof that makes an angle of 30 to horizontal.it rolls off the egde with a speed of 5.00m/s.distance to the ground from that point is 7.00m a)how long is the ball in the air b)how far from the base of the house does it land? c)what is

11. ## math

Erika is painting her living room. The room measures 10.5 feet by 11.5 feet. The ceiling is 10 feet high. What is the wall area of the room?

12. ## history

Hamilton / Jefferson Readings Quiz 1. Alexander Hamilton thought that having a virtuous citizenry was a necessity in a Repulic. A) True B) False 2. Who said "The goodness of a government consists in a vigorous execution?" A) Thomas Jefferson B) Alexander

13. ## algebra

Anita and Maria went to the candy store. Maria bought 5 pieces of fudge and 3 pieces of bubble gum for a total of $5.70. Anita bought 2 pieces of fudge and 10 pieces of bubble gum for a total of$3.60. Determine the cost of 1 piece of bubble gum.

14. ## Geometry

Find the missing measure for a right circular cone given the following ... Find h if r = 5 and V = 100 pi.

15. ## Math

Apex Plumbing charges a trip fee of $55 plus$15 for each quarter hour of service. John wrote an equation using, t , the total cost of a service call, as a function of, h , the number of hours the call lasted. What is the value of the slope in his equation

16. ## English

Name an object, person, place, or action that you could use to symbolize each of the following. Remember a symbol and the thing it is symbolizing must have elements in common. 1-freedom 2-a difficult experience 3-a disappointment 4-telling a lie 5-an

17. ## Chemistry

Balance the following equation in acidic conditions. S2O3^2- +Cu ^2+ > S4O6^2- +Cu^+

18. ## math urgent

1. You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the probability that you select a vowel. Write your answer as a fraction in simplest form. (1 point) 2. Suppose you spin the spinner once.

19. ## geometry

Given trapezoid MNOP with a median QR, find the value of x MN=x+2,OP= 3x-10, median 16

20. ## history

Hamilton / Jefferson Readings Quiz can someone help me check my answers the answers with an (*) at the end them are the ones i think are right 1. Alexander Hamilton thought that having a virtuous citizenry was a necessity in a Repulic. A) True * B) False

21. ## statistics

: an airline offers discounted advanced purchase fares to customers who buy tickets more than 30 days before travel and charges regular fares for tickets purchased in the last 30 days before travel. The airline notices 60% of its customers take advantage

22. ## Chemistry

A 55.0-mg sample of Al(OH)3 is reacted with 0.200M HCl. How many milliters of the acid are needed to neutralize the Al(OH)3.

23. ## chemistry

25mL of tap-water is titrated with .00500 M EDTA. 7.95mL of EDTA is required for complete reaction, Whatis the molarity of that total water hardness in the 25mL sample

24. ## Chemistry

What volume (in liters) is occupied by 0.01 moles of carbon monoxide, CO at 9 degrees C and 0.973 atm?

One method for measuring the speed of sound uses standing waves. A cylindrical tube is open at both ends, and one end admits sound from a tuning fork. A movable plunger is inserted into the other end at a distance L from the end of the tube where the

26. ## 12

A factory’s worker productivity is normally distributed. One worker (worker 1) produces an average of 75 units per day with a standard deviation of 20. Another worker (worker 2) produces at an average rate of 65 per day with a standard deviation of 21.

27. ## Physics

A diving board oscillates with simple harmonic motion of frequency 4.6 cycles per second. What is the maximum amplitude with which the end of the board can oscillate in order that a pebble placed there does not lose contact with the board during the

28. ## physics

When a 82.0 kg. person climbs into an 1800 kg. car, the car's springs compress vertically 1.7 cm. What will be the frequency of vibration when the car hits a bump

29. ## Chemistry

Ethane, C2H6, has a molar heat of vaporization of 15kJ/mole. How many kilojoules or energy are required to vaporize 5 g of ethane?

30. ## stat

Problem 2. THE PROBABILITY THAT A RANDOMLY CHOSEN SALES PROSPECT WILL MAKE A PURCHASE IS 0.20. IF A SALESMAN CALLS ON SIX PROSPECTS, A. WHAT IS THE PROBABILITY THAT HE WILL MAKE EXACTLY FOUR SALES? B. WHAT IS THE PROBABILITY THAT THE SALESMAN WILL MAKE

31. ## Math

Arman walks to the train station at 5 Km/h. He misses his train by 1 min. If he had run at 10 Km/h, he would have had 2 min to spare. How far is it to the station?

32. ## Math

The Pew Research Center recently polled n= 1048 U.S drivers andfound that 69% enjoyed driving their automobiles. (a) Construct a 95% confidence interval for the proportion of U.S.drivers who enjoy driving their automobiles. (b) In 1991, Gallup Poll

33. ## Physics

A baseball is hit with a horizontal speed of 22 m/s and a vertical speed of 14 m/s upward. What are these speeds 1 s later?

34. ## Physics 30

a 2000kg car traveling east at 24m/sec enters an icy (frictionless) intersection and collides with a 3600kg truck traveling south at 10 m/sec. If they become coupled together in the collision, what is their velocity immediately after impact?

35. ## physics

A spy in a speed boat is being chased down a river by government oﬃcials in a faster craft. Just as the oﬃcials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 5.3 m waterfall. The spy’s speed is 15 m/s and the oﬃcials’

36. ## Chemistry

Pure water is added to 25.0 mL of a 1.00 M HCL solution. The new solution has a volume of 2.00 L. What is the pH of the new solution.

37. ## CHEMISTRY

The enthalpy of neutralization for the reaction of a strong acid with a strong base is −56 kJ/mol of water produced. How much energy will be released when 198.5 mL of 0.400 M HCl is mixed with 150.1 mL of 0.500 M NaOH?

38. ## calculus

find to the nearest integer the value of C that satisfies (y-6)dy=(x+4)/(y-3)dx, y(-1/12)=2

39. ## Calculus

the drop in blood pressure of a typical patient who is given a certain medication is given by F(x)=0.028x^2(19-x) where x is the amount of medication in cubic centimeters. What is the maximum drop in blood pressure for this patient?

40. ## Physics

Three point charges, +6.7e-6, +2.5e-6, and -3e-6, lie along the x-axis at 0 cm, 2.4 cm, and 5.7, repectively. What is the force exerted on q1 by the other two charges? (to the right is positive) . The coulomb constant is 8.99*10^9 N*m^2/C^2 What is the

41. ## STAT

Airline overbooking is a common practice. Many people make reservations on several flights due to uncertain plans and then cancel at the last minute or simply fail to show up. Eagle Air is small commuter airline. Their planes hold only 25 people. Past

42. ## maTH

1. You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the probability that you select a vowel. Write your answer as a fraction in simplest form. (1 point) 2. Suppose you spin the spinner once.

43. ## english

Write whether a sentence is simple, compound, complex, or compound-complex. 1-Mrs. Huang planned a party for Kim because she was graduating from high school. Complex 2=She invited Lisa,Elena,and Enrique to the party. Simple 3-Mr. Huang thought that kim's

44. ## Utech

The 9th term of an Arithmetic Progression is 8 and the 4th term is 20. Find the first term and the common difference.

45. ## chemistry

SrH2 + 2 H2O ==> Sr(OH)2 + 2 H2 Determine the number of grams of strontium hydroxide (Sr(OH)2) produced when 10.0 g of hydrogen gas (H2) is also produced. (Your answer must have at least 3 significant figures.)

46. ## chemistry

2C2H6+702=4CO2+6H20 how many grams of oxygen are required to completely burn60.0g ethane (C2H6) show work Using the above equation how many Lof 02 are required to burn 20.0Lof ethane thank u soo much this is for a test

47. ## Physics

You stand on a bathroom scale that rests on the floor of an elevator. Standing on the scale compresses internal springs and activates a dial that indicates your weight in newtons. When the elevator is at rest, the scale reads 600 N. Then the elevator

48. ## Physics

Two identical balls roll off the edge of a horizontal table top. One leaves traveling at twice the speed of the other. Which ball hits the floor first? Why?

49. ## math

if it is sunday, 4:50 p.m.,what will the day and time be 20 1/2 hours later?

50. ## american history

Which of the following distinguished the Middle Colonies from New England and the Southern Colonies?

51. ## math

If Grace's $98,760 home appreciates three percent a year, will she have enough appreciation to try to sell the home for a$15,000 profit in five years?

52. ## Geometry

Find the missing measure for a right circular cone given...Find r if T.A.= 12 pi and L.A = 8 pi.

53. ## Chemistry

1.)Find the PH of a solution with 0.20M NH3 with 0.15M of NH4Cl. 2.)Find PH of a solution with a mixture of 200mL of 0.50M HCHO2 and of 100mL of .50M NaCHO2.

54. ## Biology

I can't figure out these brain teasers: i.e.point act char er ILL GET IT

55. ## CHEMISTRY

A 22.2-g piece of Al (which has a molar heat capacity of 24.03 J/mol°C) is heated to 84.6°C and dropped into a calorimeter containing water (the specific heat capacity of water is 4.18 J/g°C) initially at 23.5°C. The final temperature of the water is

56. ## physics

The cable of a 1800-kg elevator has broken, and the elevator is moving downward at a steady speed of 1.6 m/s. A safety braking system that works on friction prevents the downward speed from increasing. a. at what rate does mechanical energy turn into

57. ## science

A 20 N object displaces 2,000 mL of water. What is the buoyancy? Hint: 1 mL of water = 1 cm3 of water = 1 g of water (Remember to convert g to kg) Will it float? (yes/no)

58. ## calculus

Verify the Identity: (Tanx + 1)/(secx + cscx) = sinx

59. ## Maths

A ferris wheel has an axle standing 38m off the ground and a radius of 35m. The wheel takes 5 minutes to complete one revolution. The wheel moves in clockwise motion and you are sitting in one of the carriages which is horizontally in line with the axle,

60. ## 3 grade english ms sue

adverbs direction make each sentence more specific by adding an adverb from the box or an adverb of yur own. write the new sentence. impressively cautiously always really outside suddenly 1- jonah practices korean martial arts in the mornings. my son

Amanda's grandmother made a quilt for Amanda's bed. The quilt was made of 9 squares. Each square was 2 feet wide. How wide was Amanda's quilt?

62. ## Chemistry

What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 mL of 0.75M sulfuric acid?

63. ## Algebra 2

How much of a 60% orange juice drink must be mixed with 30 gallons of a 10% orange juice drink to obtain a mixture that is 50% orange juice.

64. ## define

sunbeams(d now how 2 expalin flapjacks(d now how 2 explain accomplish(dont know how to explain planks(dont know hymns(dont know

65. ## english

this summer I will be going to a theme park with my best friend will go too. It will be fun. Because I like when I get to go with friends. I've never been to this theme park before I heard it is very fun. Someone in my class. ITold me that there is a

66. ## physics

A pulley system reduces the effort of lifting a big bucket of water from a shallow well. The 100-newton bucket is lifted to a height of 5 meters with an unknown input force. If 50 meters of rope is pulled to lift the bucket the desired height and the

67. ## MATH

line segment AB and CD bisect each other at O . join AC and BD . prove that tringle AOC congruent triangle BOD

68. ## physics

A wooden cube with a specific gravity of 0.90 and side length 0.120 m is placed into a bucket of water and floats upright with its sides in a horizontal or vertical orientation. What is the mass of the cube, what is the buoyancy force acting on the cube

69. ## English

i need help with poem "Is my team plowing, That I was used to drive And hear the harness jingle When I was man alive?" Ay, the horses trample, The harness jingles now; No change though you lie under The land you used to plow. "Is football playing Along the

70. ## trigonometry

solve the equation: 4 tan^2 x + 12 sec x +1 =0, for 0 degrees is less than or equal to x is less than or equal to 360 degrees.

71. ## Chemistry

Pure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were mixed in a sealed flask at room temperature. The flask was placed in a heated water bath and maintained at 323K until equilibrium was established.

72. ## math

Three hundred fish are tagged and released into a pond. A month later 100 fish are caught and then released back into the same pond. Of those 100 fish caught only 15 had tags. How many fish are in the pond? Is the answer 2000 fish?

73. ## Utech

The 6th term of an A.P is twice the third and the first term is 3. Find the common difference and the 10th term.

74. ## Science

Help / Research with my science fair project ? what type of music best stimulates plant growth,classical or pop music ?

75. ## economics

4. Engineers for the Off Road Skateboard Company have determined that a 10% increase in all inputs will cause output to increase by 5%. Assuming that input prices remain constant, you correctly deduce that such a change will cause ________ as output

76. ## physics

A transparent cube with index of refraction n = 1.6 and side length a = 4.0 cm is free to rotate about an axis passing through its center. A laser beam is aimed at the cube. After passing through the cube the beam hits a screen on the other side forming a

77. ## Math

The heights h of two-thirds of the members of a population satisfy the inequality |h-68.5/2.7|≤1 where h is measured in inches.Determine the interval on the real number line in which these heights lie.

78. ## calculus 3

if f(x,y) = e^(-x)cosy + e^(-y) cosx find (∂^2 f)/(∂x^2 )+ (∂^2 f)/(∂y^2 )- 2(∂^2 f)/∂x∂y

79. ## life orientation

name two organisations that are involved in giving redress to teenage pregnancy and explain how these organisation are involved in providing a safe and a healthy environment

80. ## Geometry

Find the radius of a cone if the total area = 12 pi and lateral area = 8 pi.

81. ## Physics

A charge of +2.4 × 10−9 C is placed at the origin, and another charge of +4.2 × 10−9 C is placed at x = 2.5 m. Find the point (coordinate) between these two charges where a charge of +3.1 × 10−9 C should be placed so that the net electric force on

Fred and Zuma Palermo contacted Colorado Carpet Installation, Inc., for a price quotation on providing and installing new carpeting and til­ing in their home. In response, Colorado Carpet submitted a written proposal to pro­vide and install the carpet at

83. ## English

Some say love, it is a river that drowns the tender reed. What do you think this means?

84. ## English

Describe symbols in the miracle worker and give examples of them? Is this enough? Im having a hard time with this questin! Please help! Here is my answer. This story has many symbols in it and describes Helen. In this story, water symbolizes rebirth, life

85. ## math

jonathan bought 12 pencils. he gave his brother 1/2 of the pencils and gave his friend 1/4 of the pencils. how many pencils did his friend get

86. ## Algebra

Andrew measures the amount of a very unstable substance to be 100 moles. The half-life of this substance is 3 days (after 3 days, half is gone). Write an exponential function that models this situation where y is the amount of substance and x is time in

87. ## Sociology

By a narrow margin, Dr. Moreau was elected chair of the largest academic department at Faber College. She appointed faculty members who support her views to the most influential and important committees in the department. This group of loyal colleagues, on

88. ## Math

At one store a pair of jeans costs $29 and a shirt cost$25. At a different store the same kind of jeans costs $26 and the same kind of shirt costs$20. The answer is 29j-26j+25s-20s=3j+5s. What is the question?

89. ## physics

The cable of a 1800-kg elevator has broken, and the elevator is moving downward at a steady speed of 1.6 m/s. A safety braking system that works on friction prevents the downward speed from increasing. a. at what rate does mechanical energy turn into

90. ## English

What is the best replacement for "seems to be of importance"? Seems important or Seems of importance?

91. ## stat

A MAIL-ORDER FIRM HAS A CIRCULAR WHICH ELICITS A 10 % RESPONSE RATE. SUPPOSE 20 OF THE CIRCULARS ARE MAILED AS A MARKET TEST IN A NEW GEOGRAPHIC AREA. ASSUMING THAT THE 10% RESPONSE RATE IS APPLICABLE IN THE NEW AREA, DETERMINE THE PROBABILITIES OF THE

92. ## Science

Really need help with my science homework Name and briefly define each of the three energy roles organisms can play in an ecosystem. Thank You

93. ## MATH

ABCD is a quadrilateral in which AB parallel DC and AD=BC.prove that (1)angle A + angle C=180 degree= angle + angle D (2)AC=BD

94. ## english

which of the following is a simple sentence? a)karen and david arrived at the airportat 3:35pm and took a taxi to their hotel b)i went to the airport ,but i was too late to meet them

95. ## Chemistry

What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 mL of 0.75M sulfuric acid?

Susan makes $20,504 annually. What is the maximum monthly rent that she can afford to pay? asked by please help me!! 97. ## english ok in my class we are reading the book called "The Outsiders" by S.E. Hinton. On my worksheet it asked " what does red ears mean in chapter 3?" PLZ HELP ME! asked by sammie doodles :-) 98. ## physics. HELP PLEASE A string has a linear density of 5.3 x 10-3 kg/m and is under a tension of 370 N. The string is 1.8 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) asked by chelsea 99. ## History Material prosperity had an enormous impact on American society after WWII. What was it like for a suburban middle class husband and father after this time? What were some positive aspects to the postwar suburban life? What were some cultural problems asked by Anastasia Bernet 100. ## calculus What size should be the frame be? Suppose an artist has a circular picture with a diameter 6 inches which she wishes to frame by a uniform width frame with covers 1/2 inch width uniformity of the painting and has total area equal to that of the exposed asked by Jenny 101. ## Algebra/%%$#!!!

F(x)=1/4 (x+7)^2+7 Looking for the vertex and the max or min for the above..? And thank you for checking my work, nice to know I get some of it.

102. ## chemistry

Mg(ClO32=MgCl2+3O2 12.omolMg(ClO3)2produces molMgCl2and MolO2 3.00 molofMg(ClO3)2produces what mass of O2

103. ## Chemistry

2Na+F2=2NaF if 20.0 g of sodium is used what mass of sodium fluoride could be produced assuming that fluorine gas is unlimited

104. ## physics

A cup with refractive index n2 = 1.8 has outer radius b = 6.0 cm and inner radius a = 4.0 cm. It is filled with a liquid with refractive index n3 = 1.3. In the surrounding medium with n1 = 1.0,a ray of light travels along a trajectory that is at a

105. ## physics 2

sorry here is actual question: A 285-kg stunt boat is driven on the surface of a lake at a constant speed of 13.5 m/s toward a ramp, which is angled at 28.5° above the horizontal. The coefficient of friction between the boat bottom and the ramp's surface

106. ## math

Charlene is filling a box planter with soil.Each bag of soil contains enough to fill 500 cubic inches.If the base of the box planter is a 9-inch square and the sides are 18 inches tall,how many bags of soil will Charlene need?

107. ## English

Ice cream/Melts because of hot temperature dripping down In a cone How can i write this in a poem?

The manager of Alco wants to establish the proportion of time that the stock clerks spend making price changes on previously marked merchandise. The manager wants a 98% confidence that the resulting estimate will be within 5% of the true value. What sample

121. ## Math

Each day Danny prepares pies for dessert.He slices each pie into 8 servings.If Danny bakes 9 pies and 54 customers order a slice,how many slices will be left? 18 Many customers phone in their lunch orders to the diner.On both Monday and Tuesday 39 people

122. ## calculus

Rotate the region enclosed by the given functions around the x-axis. Determine the volume. y=x^2+2x+1 and y=2x+5 limits are -2 and 2

123. ## chemistry

which of the following is not a driving force for a chemical reaction?

124. ## calculus

Rotate the region enclosed by the given functions around the x-axis. Determine the volume. y=sqrt(sinx) ; y=0 ; x=0 ;x=pi limits are 0 to pi

125. ## volume of square

Find the volume of a square with base edges of 24cm and a slant height of 37cm possible choices 192cm^3 (my choice) 20,160cm^3 10,080cm^3

126. ## Geometry

Find the radius of a cone if the total area = 12 pi and lateral area = 8 pi.

127. ## math

Danny's Diner server 17 customers during lunch.There were twice that many customers during dinner.The number of customers in the diner at the dinner hour was 7 fewwer than the number of customers during breakfast.How many customerts were in the diner

128. ## algebra

a can of soda at 80 F is placed in a refrigerator that maintains a constant temperature of 37 F the temperature T of the soda t minutes after it is placed in the refrigerator is given by T(t)=37+43e^-0.058t find temp to the nearest degree of the soda after

129. ## chemistry

Calculate ΔG for this reaction under the following conditions (assume an uncertainty of ±1 in all quantities). Assume that ΔH° and ΔS° do not depend on temperature.

130. ## math

Name the point of intersection for the following system, if it exists. 4x – 3y = -3 3x – y = -6

131. ## Math

Customer Cal is one of Danny's regulars.He ate at the diner on Wednesday.He ordered the daily specialy,macaroni and cheese, for $2.95.He also ordered a milk shake that cost$1.25 and a piece of pie that cost $.95. Cal left the diner with$18.53 in his

132. ## math

Solve using elimination method -7x+5y=-56;-21x-2y=-168

133. ## english

Ralph,who is a student,also has a part-time job. 1)What is the independent clause in this sentence? also has a part-time 2)What kind of dependent clause is( who is a student) in this sentence? Is it a noun, adjective,or adverb clause? -a noun

134. ## math

how do you find the area under a curve

135. ## ENG102

Question 1. A car moves 26 km due east then 14 km due north. It then turns along a path running north-east with 15 km, then 17 km due west. If the time for the entire journey is 2 hrs, Find; (a) the car’s average speed in m/s (b) the car’s average

136. ## Algebra

Write an equation in standard form (slope-intecept form) of the line passing through the pair of points (3,4) and (5,8) containing point (5,9) and parallel to the line.

137. ## physics

The cable of a 1800-kg elevator has broken, and the elevator is moving downward at a steady speed of 1.6 m/s. A safety braking system that works on friction prevents the downward speed from increasing. a. speed of boat when leaves ramp (assume that engine

138. ## physics

A charge of +2.4 × 10−9 C is placed at the origin, and another charge of +4.2 × 10−9 C is placed at x = 2.5 m. Find the point (coordinate) between these two charges where a charge of +3.1 × 10−9 C should be placed so that the net electric force on

139. ## math

How to find the volume of a new box when doing prisms and pyramids

140. ## Confidentiality of Health Information

If HIPAA rules are stricter than state law, which standard should you follow and why? What if the state law was stricter?

A time study of operations yielded the following observed times for one element of the job; the analyst gave a performance rating of 1.13. Using an allowance of 20%, determine the appropriate standard time for this operation. Observations Time, x 1 1.12 2

145. ## History

Why was Arthur Vandenburg known as the father of bipartisan foreign policy?

146. ## Math

There are 40 tags numbered one through 40 in a bag. What is the propability that Glen will randomly pick a multiple of 5 and then a multiple of 9 without replacing the first tag?

147. ## geometry

what is the length of a rectangle AC=2(x-3) BD=(x+5)?

148. ## math

Water is leaking from a pipe at a constant rate of 1/2 cup every 10 minutes. At this rate, how many gallons of water will leak from the pipe in 1 week? (16 cups = 1 gallon)

149. ## Linear Algebra

4 points A,B,C and D are situated in a 3-dimensional space. In a certain spot, the coordinates of A, C and D are known: A(1,1,1) C(2,0,1) D(0,3,0) The coordinates of the barycentre of {A,B,C} are: (4/3, 1/3, 4/3). a) Determine the coordinates of point B in

150. ## Science

What are 2 disadvantages and advantages of a free range or extensive system?

151. ## calculus

sketch the region R bounded by the graphs of the equations, and find the volume of the solid generated if R is revolved about the x axis when y=x^2 y=4-x^2

152. ## math

I don't have choices

153. ## calculus

Sketch the region R bounded by the graphs of the equations and find the volume of the solid generated if R is revolved around the x axis. x= y^2 x-y =2

154. ## history

How do I know why someone wrote a journal(history) or why we still read it today?

161. ## Symmetry

For these functions, determine which ones are NEITHER even nor odd. A) f(x)=3x^2+|x| B) f(x)= 3x^3+x^2+x-4 C) f(x)= 1/2x D) f(x)= 2x^5-x^3+2x E) f(x)= 4x+1/x F) F(x)= 2x^4+x^2-x+2 Enter the letter of each function separated with a comma. How can you tell

162. ## Chemistry

What is the molarity of a solution prepared by dissolving 4.92 g of calicum nitrate in 250 mL of water?

164. ## STAT

Determine the mean and standard deviation of the random variable for which the probability mass function is defined as follows: P(X=x)= x-2/30 if x=3,12,21

165. ## Music

I need help. I have to pick a song to sing and it has to match with my voice. So far I narrowed it down to Cheatercheaterbestfriendeater by NevershoutNever, My Everything by My Genuine Find, Your Biggest Fan by NeverShoutNever, and Always You by My Genuine

166. ## STAT

The inside diameter of a manufactured cylinder is believed to follow a normal distribution centered at 5.00 inches with standard deviation of .03 inches. The diameter of the cylinder must be within 4.95 inches (the lower specification limit) and 5.07

167. ## chemistry

What is the molarity of each kind of ion in a solution of magnesium chloride that contains 86.0 g of magnesium chloride dissolved in enough water to make 2.37 L of solution? M Mg2+ M Cl-

168. ## Algebra

You are a contestant on a game show and have the chance to win a car by rolling 5 dice. Each die has three sides that say CAR and three sides that are blank. In order for you to win the car you CAR on all five dice. You have three chanat ces to roll the

169. ## Psychology Statistics

What raw score marks the cut off score for the children in the 30th percentile (in the bottome 30%) in need of special assistance prior to attending school? Mean is 30.9, SD = 2.08, N= 20

170. ## Geometry

The volume of a cylinder is 250pie cm^3 and the height is 10 cm. Find the circulference of the base to the nearest hundredth of a centimeter.

171. ## geometry

An ice cream server fills a cone, which is 15.7 cm high and 7.2 cm across, with ice cream. She then tops the cone with a nicely rounded half-scoop. On top of this she puts the second scoop. To the nearest cubic centimeter, how much ice cream did you

172. ## Algebra

x^2 + 14x - 4 = 0 Solve please?

173. ## science

Suppose you drop a ball into the ocean in a place where there is no current. Will waves move the ball quickly away, or will it bob in place? Explain.

174. ## Abscess - Skin Disease

What is the cause, epidemology, pathosyscoilogy?, and history of abscess?

175. ## science

how might a blockage of the lymph vessels affect the function of the cardivascular system?

176. ## Billing and coding

Dr. Bob is preparing to operate on Sally for an immediately life-threatening condition. Just before he begins the operation, he discovers that she is 17 years old. Her parents, with whom Dr. Bob has never discussed the operation, are in the waiting room of

177. ## ENG102

Question 1. A car moves 26 km due east then 14 km due north. It then turns along a path running north-east with 15 km, then 17 km due west. If the time for the entire journey is 2 hrs, Find; (a) the car’s average speed in m/s (b) the car’s average

178. ## Confidentiality of Health Information

Paula Patient’s attorney asks Dr. Bob for medical records about Paula’s car accident and promises to provide a written authorization from Paula later. Dr. Bob gives the attorney Paula’s entire file, including her records about treatment for HIV.

179. ## statistics

a study is undertaken to determine the proportion of industry executives who believe that worker's pay should be based on individual performance. How many executives should be interviewed if an estimate is desired at the 99% confidence level to be withing

180. ## calculus 3

determine the value of the constant α so that f(x,y) is continuous at (1,-1) if f(x,y): i)sin(x+y)/(x^(2 )– y^2 (x,y)≠(0,0) ii) α (x,y)=(0,0)

181. ## Algebra

How do I set up and solve this problem? 100% acid is to be added to 10% acid solution to obtain 90 liters of 48% solution. (a) What amount of 100% of acid should be used? (b) What amount of 10%?

182. ## Physics

A ball is rolled off the flat roof of a 15-storey building that is 45 m above a playground. When will the ball strike the ground if you can ignore air resistance? If you believe that there is not enough information given, explain what is needed.

183. ## life orientation

what are the human or environmental problem impacts on the communities

An estimate of the time required to perform a certain job is needed. The study yielded a mean of 6.4 minutes and a standard deviation of 2.1 minutes. The desired confidence is 0.95. How many observations will be needed if the desired maximum error is: a.

185. ## math

THE MAXIMUM NUMBER OF CUSTOMERS ARRIVING DURING RANDOMLY CHOSEN 10-MIN INTERVALS IS 5 AT A DRIVE-IN FACILITY SPECIALIZING IN PHOTO DEVELOPMENT AND FILM SALES. IT HAS BEEN FOUND THE NUMBER OF ACTUAL SALES MADE FOLLOWS THE PROBABILITY DISTRIBUTION IN TABLE

186. ## math

round 237900 to one,two and three significant figures

187. ## physics

a metal cylinder containing water at 60ged C, has a thickness of 4mm.And the thermal conductivity 400W per m per K. it is lagged by felt of thickness 2mm and thermal conductivity 0.002W per m per K. the room temperature is 10deg C.Find the temperature

188. ## Intermediate Algebra

A car used 3.5 gallons to make a 110 mile trip. How many gallons of gas would it take the same car to make a 360 mile trip

236. ## Discreet MAth

Describe the graph and why it is consistent with the matrix. How many simple paths are there from vertex 1 to vertex 5? Explain.Which is the shortest of those paths? Part II: Trees Construct and describe a tree that indicates the following: A college

237. ## physics

A spy in a speed boat is being chased down a river by government oﬃcials in a faster craft. Just as the oﬃcials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 5.3 m waterfall. The spy’s speed is 15 m/s and the oﬃcials’

238. ## pHI 103

imagine someone asks you what you learned in your logic classand what you found to be the most useful information you learned there?

239. ## PHI103

is it important for people to study logic

240. ## calculus

Find the total area enclosed by the functions given below. y=x^2+2x+1 and y=2x+5 limits are -2 to 2

241. ## Chemistry

Complete each ionic equation Cu+2 + SO4-2 + 4H2O ---->

242. ## physics

the magnitude of earths magnetic field at the magnetic north pole is 61/1000000.(a) determine the magnitude of the dipole moment of the earth (b)suppose an additional field due to the current in wire around the equator is used to make the net field at the

243. ## GED-Word Problems

It is estimated that 34% of the new trees planted each year are lost in the dry summer. If a farmer planted 37,000 pines, how many could she expect to lose?

244. ## English

Place a comma where necessary and a semicolon where necessary. 1) I will not buy that that carp it is far too expensive. 2) He still cannot use Word consequently, Tara must stay here. 3) I noticed the baker, Ian, jogging in the park every day but he never

245. ## geometry

How do I solve for X 2 + 3 = 4 x-1 x+1

246. ## english

Write if the sentence is simple, compound,or complex. 1-I'd like to help you ;however,I am very busy today. complex 2-Do you know what Willie said.simple 3-I think that I've seen that movie before.simple 4-The person in the middle of the line is my brother

247. ## Chemistry

Determine the identity of an unknown solution that formed a yellow precipitate with solution 1, No Reaction with solution 2, No Reaction with solution 3, and a canary yellow solution with solution 4?

248. ## Math

Danmy baked a chocolate cake for dessert.The cake was cut into slices.Eight diners ordered cake for dessert at lunch.Half that many came during the afternoon and ordered a slice.Danny and Wanda each had a slice for a snack.If 4 slices were left at the end

249. ## Math /Algebra

Equation: y=mx+b If m= slope b= y-intercept what is x and y??? I doubt I worded this in a way that makes sense but I need help.

250. ## English

If anyone has read/heard about the books "The Namesake by Jhumpa Lahiri" and "The Writing on my Forehead by Nafisa Haji", can you please help me come up with a nice comparative thesis? A topic/theme I have for both is identity. But can't think of good

Change each of these indirect quotations to direct quotations.Punctuate your quotation properly. examples: - Mrs king said,"I enjoyed our golf game" _Mrs king said that she enjoyed the golf game. 1)Mrs.King said that she wants a new putter. -Mrs King

252. ## chemistry

Most community water supplies have 0.50 ppm of chlorine added for purification. What mass of chlorine must be added to 129.0 L of water to achieve this level?

253. ## Drugs n Dosages

Dr. Bartles has written an order for 375 mg of Amoxil for his patient, Jonathan Becker. The medication is to be given every 8 hours. Troubled Terry used the formula method to calculate the amount to administer in teaspoons. Here is his work: D = 375 Q = 5

254. ## algebra

2x+8y-8z-22 x+2y-2z=3 5x+7y+z=-13 solve by gaussian elimination

255. ## STAT

Electricalc has determined that the assembly time for a particular electrical component is normally distributed with a mean of 20 minutes and a variance of 9 minutes. a. What is the probability that an employee in the assembly division takes longer than 22

256. ## Math

5(x+2)/(x-2)^2-2(x+2)/(x-2)-3=0 Hint: use u= x+2/x-2 and solve for x Enter the solutions separated by commas

257. ## Algebra

Which of the following equations containing grouping symbols is correct? A. (6 + 9) − 1 + (4 ÷ 1) = 12 B. 9 + (12 ÷ 4) = 1 C. 24 ÷ (8 + 4) + (16 ÷ 2) = 10 D. (3 − 1) − 2 − (8 − 5) = 12 − 9

258. ## algebra

evaluate z+y/9 for z=74 and y=16

259. ## history

the Puritan dilemma can someone help me check my answers the answers with an (*) at the end them are the ones i think are right 1. Englishmen rejoiced when Henry VIII turned his back on the Pope because now they felt they would be free to join the

260. ## math

The author of a book was told that he would have to cut the number of pages by 21% for the book to sell at a popular price and still make a profit. If the finished book contained 340 pages, how many pages were in the original forms?

261. ## Algebra

!@#\$%^& mows the lawn in 7 hrs. Mary can do the same yard in 6 hrs. How much time would it take for them to mow the lawn together?

262. ## physics-14

If room temperature is 70 degrees farenheit,what is kelvin?____

263. ## physics

sally and roy both leave school at the same time.roy runs as fast as he can,and sally walks slowly in the same direction. explain how their position-time graphs would look different.be detailed and use full sentences

264. ## earth

About how fast will it be traveling on average? Assume that its trajectory is close to a straight line. Give your answer in {\rm AU/yr} and in {\rm km/hr}.

265. ## calculus 3

find and sketch the natural domain of f(x,y)= √(x+y^2 )/(x^2+y^2 )

266. ## Confidentiality of Health Information

Compare and contrast contributory negligence with comparative negligence?

267. ## Confidentiality of Health Information

Paula Patient doesn’t want her violent boyfriend to know she’s getting an abortion, so she asks Dr. Bob to send all communications to her to a post office box and to phone her only at work. What should Dr. Bob do, and what is the legal basis for your

268. ## algebra

what is the probability of tossing down 3 nickels and 3 heads are showing out of 3 nickels?

269. ## history

the Puritan dilemma 1. Englishmen rejoiced when Henry VIII turned his back on the Pope because now they felt they would be free to join the Protestant Reformation and gain a purer church. A) True B) False 2. Puritan's believed that marriage came before

270. ## math

what is a shape called with 1 small top,1 big bottom,and when the sides go up it gets smaller and when it goes down it gets bigger.

271. ## life orientations

suggest 5 recommendations on how to address the pollution

272. ## physics

al drives his car at a constant velocity of 60 mph.bob start at rest at a stoplight, then pushes the gas pedal, slowly speeding up until he reaches a velocity of 60mph.explain how their position time graphs will look different