# Questions Asked onJanuary 24, 2015

1. ## Physics

A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 19.0m/s , and the distance between them is 52.0m . After t1 = 5.00s , the motorcycle

2. ## vet tech

The ear is ___ to the eye? A.palmar B.rostral C.caudal D. Cranial. I put d but they said it's wrong so what else can it be?

3. ## english

Identify the sentence that is punctuated correctly. a Give me a call tomorrow, veronica, when you get home, so we can discuss the details of the upcoming event. b. Give me a call tomorrow, Veronica, when you get home so we can discuss the detail of the

4. ## Pre Calculus

Approximate, to the nearest 0.01 radian, all angles theta in the interval [0,2pi) that satisfy the equation. a.) sin theta=-0.0135 b.) cot theta=-2.731 Thank you for helping! I appreciate it!

5. ## Math

Suppose an object is dropped from a height h0 above the ground. Then its height after t seconds is given by h = −16t 2 + h0, where h is measured in feet. Use this information to solve the problem. A ball is dropped from the top of a building 59 ft tall.

6. ## socialstdies

Which of the following was an advantage of the South at the beginning of the Civil War? (1 point) The South had agricultural products to provide food for the army. The South had many factories that created superior machinery. The South had a more advanced

7. ## math

A box with a square base and no top is to be made from a square piece of cardboard by cutting 4-in. squares from each corner and folding up the sides, as shown in the figure. The box is to hold 324 in3. How big a piece of cardboard is needed?

8. ## Geometry ques

Find the area of the region bounded by C: y = tanx , tangent drawn at C at x = pie/4 and the x- axis.

9. ## statistics

In a class of 300 students, John’s rank was 40. Find his percentile rank

10. ## math

If 60 feet of uniform wire weighs 80 pounds, what is the weight of 2 yards of the same wire?

11. ## Chemisty Help

using 1-bromobutane and any necessary organic or inorganic reagent, suggest efficient syntheses of each of the following alcohols: 1) 1-pentanol 2) 2-hexanol 3) 1-phenyl-1-hexanol 4) 3-methyl-3-heptanol 5) 1-butylcyclobutanol Thank you!

12. ## statics

in a certain normal distribution , 1.25% of the area lies to the left of 42 , and 1.25% of the area lies to the right of 48. find population mean and sigma

13. ## College Physics

An electron in a television tube travels the 12 cm distance from the grid to the screen at an average speed of 7.00 107m/s. How long does the trip take?

14. ## math

If p pencils cost d dollars, how many pencils can be bought for c cents?

15. ## physics

an orienteer runs 300m north and then 400m to the southeast (at a 45 degree angle to north). if he runs at a constant speed, how far away is he from the starting position?

16. ## social studies 8th

1. What was an underlying source of tension in westward expansion during the 1850s? (1 point) the inflation of goods a sharp decrease in population whether newly added territories should allow slavery **** disagreement over whether the economy of new

17. ## Geometry

How many different surface areas are possible when 8 one inch cubes are arranged so that each has one or more faces in common (touching) with at least one of the other cubes? We have to use a physical model. And I have no idea how to start this or even do

18. ## Language artsssss

Which sentence correctly uses a predicate pronoun as a subject complement? (1 point) The last arrivals were Joe and I. This year's soccer champions were Lana and me. The tribute deeply touched my brother and I. My boyfriend became my best friend. 8. Which

19. ## Math

What simplified common fraction is equivalent to 0.05757575757

20. ## math

A piece of fabric is cut into three sections so that the first is three times as long as the second and the second is three times as long as the third. What part of the entire piece is the smallest section?

21. ## chemistry 113

What is the wavelength of light that has a frequency of 6.80E+14 Hz. Express the wavelength in nanometers

22. ## chemistry 113

The AM band of radio waves are measured in kilohertz (kHz), which are the numbers you see on the AM radio dial. Therefore, a radio station at 610 on the AM dial has a frequency of 610 kHz or 610,500 Hz. What is the wavelength of the radio station that has

23. ## math

Perimeter of rectangle and a square are equal. Perimeter of the square is 96 cm and breadth of the rectangle is 4 cm less than the side of the square. Then two times the area of the rectangle is

24. ## statistics

In throwing a pair of dice The event of getting a sum of 5 in the upturned faces of dice.

25. ## science

A tractor pulls a tree trunk across a horizontal piece of ground. If the force in a chain is 3000N and the chain forms an angle of 30 degrees with the ground, calculate the force with which the tree is pulled across the ground and the force with which the

26. ## Math

True or false and if false write a true statement 1. A right triangle has three right angles. 2. A triangle that has three sides of the same length is an equilateral triangle. 3. An obtuse triangle has two angles that are acute. 4. In a right triangle the

To obtain a social security number you must complete a form and show evidence of where you were A. live B. where to school C. go to Church D. were born I chose D. Check my answer to make sure please? Because I was stuck between A ad D.

28. ## Science

For the dissociation of acetic acid, CH3COOH CH3COO- + H+, the free energy change, ΔG° = 27.26 kJ/mol. What is the free energy change, ΔG°', in the biochemical standard state? Given R = 8.315 J/mol · K. T = 25°C.

29. ## Math .Static

Consider two events A and B in the same sample space such that P(A)=0.4 and P(B)=0.3. Then A and B are mutually exclusive. True or False

30. ## Algebra

Let n! = 1 x 2 x 3 x 4 x ... x n for integer n >_1. What could be the value of 1! +(2 x 2!) + (3 x 3!) + (4 x 4!) + ... (10 x 10!)?

31. ## financial accounts

sandeep purchased a machinery for 21000 on 1 January 2001. the estimated life of the machine is 10 years after which its residual value will be 1000 only.find out the amount of depreciation and prepare machinery account for the first three years according

32. ## Geometry

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted

33. ## Physics

Three charges, Q1, Q2 and Q3 are located on a straight line. The charge Q3 is located 0.136 m to the right of Q2. The charges Q1 = 1.22 μC and Q2 = -2.46 μC are fixed at their positions, distance 0.301 m apart, and the charge Q3 = 3.03 μC could be moved

34. ## Physics

A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 19.0m/s , and the distance between them is 52.0m . After t1 = 5.00s , the motorcycle

35. ## history? help

In this portfolio assignment, you have chosen an event from the Civil War or pre-war era, have taken notes on this event, and now will take on a persona from the event. For example, you could choose to portray a Union soldier at Gettysburg, a plantation

36. ## Geometry, Cubes

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted

37. ## math

At c cents per pound, what is the cost of a ounces of salami?

38. ## Algebra Rearrangement

Please rearrange h=rx^2-tx to make x the subject.

39. ## Math

Atop 50m tower, Jack sees smoke in two areas. One is on a bearing of 40degrees with an angle of depression of 8degrees, and the other on a bearing of 205degrees with and angle of depression of 13degrees. How far apart are the smoke sources? I'm not sure

40. ## biology

a biologist prepared a strip of agar (a gelatin- like substance) as shown in the figure below. at position 7, he placed a concentrated sample of amino acid A and at position 1, a concentrated sample of enzyme E. E is known to catalyze the conversion of A

41. ## College Physics

Two pucks traveling at each other collide and deflect at 30.0° angles from their original velocities. The mass of Puck B is 20% greater than the mass of Puck A. Before colliding, the pucks approach each other with momenta of equal magnitudes and opposite

42. ## Physics

1) if a positive and negative charge each has a magnitude of 6 uC and are separated by a distance of 10 cm, what is the force between the particles? 2) Given that the repulsive force between two identical positive point charges is 1.0 N when the charges

43. ## Intro. Physics!!!

1------- A -10 uC charge is placed 0.20 m away from an unknown charge. The force between the two charges is found to be attractive and has a value of 9.0 N. What is the magnitude and sign of the other charge? 2-------- A -5 uC charge is a distance of 12 cm

44. ## Physics

car leaves skid mark 72m in length with a deceleration speed of 7.20m/s^2. what was the initial speed prior to braking?

45. ## chemistry

Calculate the final temperature if 50 kg of iron is heated from 15.0°C with 5000 kJ of heat. The molar heat capacity of iron is 25.08 J mol–1 K–1.

46. ## law

how they can determine whether or not the jury's decision was right or wrong. Does it come down to matter of opinion by the judge? Is it biased? How does that work with posttrial motions.

47. ## physics

A series of two 2.0 kg blocks are attached together through string B.Two of the blocks weigh each 2.0 kg and are now being use for a new experiment. The blocks are being pulled upwards by another string A with a force of 25 N. What is the acceleration of

48. ## Chemistry

What two factors inﬂuence the effectiveness of molecular collisions in producing chemical change?

49. ## chemistry 116

You have a rigid sealed container held at a constant temperature. You add 3.3 atm of oxygen gas, 1.7 atm of nitrogen and 4.2 atm of methane to it. What is the partial pressure of the oxygen gas in the container

50. ## chemistry 113

What is the molar mass of iron(II) chloride tetrahydrate? The error interval is +/- 2 g/mol.

51. ## chemistry 113

How many grams of sodium sulfate do you need to create 750 mL of a 0.250 M solution of sodium sulfate

52. ## Chemistry

Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M TI3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find the endpoint. F=96486.7 Cmol E0 Sn4+/Sn2+ =0.15V E0 TI3+/TI+ = 1.28 Esce = 0.241V R=8.3141 J K Mol (D) calculate E at the

53. ## Chemistry (Chromatography)

Comment on the order of elution of the following solutes in (a) normal-phase and (b) reversed-phase liquid chromatography. Give reasons for the difference. Solute X nonpolar Solute Y polar, a dipole Solute Z polar, more polar than Solute Y

54. ## Math

Hi! Can you check my answers to this worksheet? They're the only questions I'm not positive about my answers on. 1. Compared to its parent function, describe the transformation of the following: y = -x3 + 2 A. Reflected with respect to x-axis, moved up 2.

55. ## Physics

Two students on roller skates stand face-toface, then push each other away. One student has a mass of 96 kg and the second student 56 kg. Find the ratio of the magnitude of the first student’s velocity to the magnitude of the second student’s velocity.

56. ## maths

Radius of a circle inscribed in a regular hexagon is 24 c.m. then find the length of hexagon

57. ## accounting,life science and history

What course can I do in college o university and career job can I persue after I've got my degree

58. ## Trigonometry

Law of Sines sigma=27 deg 30' c= 52.8 a=28.1 Please show two solutions (beta1, beta2,...) due to acute and obtuse angles. Thank you so much for helping!

59. ## math

what are the next four of the sequence represented by the expression 3n+5?

60. ## linear algebra

If A is an n × n matrix, then A = S + K, where S is symmetric and K is skew symmetric. Let A= [1 3 -2;4 2 2;5 1 2] Find the matrices S and K described above can some0ne explain how to get these two matricies? thanks

61. ## physics

A series of two 2.0 kg blocks are attached together through string B.Two of the blocks weigh each 2.0 kg and are now being use for a new experiment. The blocks are being pulled upwards by another string A with a force of 25 N. What is the acceleration of

62. ## Social studies

In Greece what were the first competitions other than sports in the Olympics

63. ## physics

Tom has a mass of 67.2 kg and Sally has a mass of 58.5 kg. Tom and Sally are standing 23 m apart on a massless dance floor. Sally looks up and she sees Tom. She feels an attraction. If the attraction is gravitation, find its magnitude. Assume both can be

64. ## Math

Check my math please... is the probability of three events with the following individual probs: 1/161x10/100x20/100=0.00012; and that is a 0.012% (1.2%) chance? Thanks

66. ## physics

One particle has a mass of 2.86 x 10-3 kg and a charge of +7.32 μC. A second particle has a mass of 6.41 x 10-3 kg and the same charge. The two particles are initially held in place and then released. The particles fly apart, and when the separation

67. ## psychlogical statistics

A random selection of files from a student counseling center revealed the following reasons why college students seek services: Mental health issues - 25 Learning/school issues - 15 Relationship issues - 5 Other - 5 What is the probability that if we

A cattle feed company has two grades of feed , A and B . Feed A cost \$2 per 100 pounds and feed B cost \$3 per 100 pounds . Ranchers can order a mixture of feeds A and B . Write a program that calculates the charge for a feed order . The program should ask

69. ## Social Studies

2.)Why were Native Americans forced to leave their lands during the 1830s? a.)settlers wanted to settle the land b.)U.S. citizens settled the land first c.)the Supreme Court ordered their removal d.)their new lands were better for farming 4.)How did

70. ## Algebra

Identify the solutions of equations if any x+2y=7 6x-2y=7

71. ## Concept development

A lesson plan is important for a teacher because it helps the teacher A. make decisions about what to teach on a daily basis. B. formulate experiences that will aid in concept development. C. organize his or her thoughts. D. remember the students' names.

Many wills are held to be void because they were drafted and signed by people who did not seek: A. Witness B. Relatives C. Legal Advice D. Agents. I chose A. Witness.

73. ## math

if I save 3200 for 40 years with 9% interest rate how much will I have saved

74. ## Physics

In a 100 m linear accelerator, an electron is accelerated to 1.40% of the speed of light in 46.0 m before it coasts for 54.0 m to a target. What's the electron's acceleration during the first 46.0 m? b) How long does the total flight take?

75. ## concept development

Free play, eating a snack, painting, hearing a story, and so forth are related to which of the following learning concepts? A. Space B. Classification C. Size D. Time my answer is d.

76. ## chemistry

A sample of 10.00g of a solid unknown was dissolved in 25.00g of water. Assuming that pure water freezes at 0.0°C and the solution freezes at -5.58°C, what is the molal concentration of the solution? What is the molar mass of the solid? Show your

77. ## concept development

Which of the following is not a reason to make mathematics and science instruction relevant? A. To protect schools from being sued for discrimination B. To consider diversity in race, ethnicity, social class, and gender C. To build on concepts that

78. ## chemistry help

What are the differences in measuring the molar mass using freezing point depression between studying ionic solids and molecular solids?

79. ## pre-calculus

The terminal ray of an angle passes through the point (5,12). What is the value of cosine for this angle?

80. ## maths

Radius of a circle inscribed in a regular hexagon is 24 c.m. then find the length of the side of hexagon

81. ## Geometry

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted

82. ## algebra

The line l_1 passes through the points (3,-3) and (-5,2). The line is the graph of the equation Ax + By = C, where A, B, and C are integers with greatest common divisor 1, and A is positive. Find A + B+ C.

83. ## MATH Fractions

I have two marbles. 1/6is blue. How many marbles do I have

84. ## chemistry 116

Chlorine is used to disinfect drink water supplies and pool water. Suppose you have 13.8 L of Cl2 in a cylinder at 1000 torr and 24 C. How many grams of chlorine do you have in the gas cylinder?

85. ## chemistry 116

Suppose someone had an excessive Friday evening drinking party and then did the ultra-dumb thing of driving home while drunk. Luckily, the person got pulled over by the police before they can injure anyone else. The police took a blood alcohol reading of

86. ## Geometry

P(2ap, ap^2) is a any point on the parabola x^2=4ay other than its vertex. The normal at P meets the parabola again at Q. Find the coordinates of Q.

87. ## chemistry 116

Old fashion steam locomotives operated by boiling water and using the steam to drive a piston that moved the train. How much energy ( in MJ) is required to turn 824 gallons of water at 100 C into steam? The heat of fusion for water is 6.01 kJ/mol and the

88. ## math

2x2 + 8x + 3 = 0

89. ## physics

A ball of mass 21.7 g is attached to a cord of length 0.61 m and rotates in a vertical circle. What is the minimum speed the ball must have at the top of the circle so the cord does not become slack? The acceleration of gravity is 9.8 m/s . Answer in units

90. ## math

The quadratic equation frequently appears in both the equilibrium and acid-base sections of General Chemistry. Therefore, it is useful to refresh the use of the quadratic before applying it to chemistry questions. Which of the following answers is a viable

91. ## Math

1. "A bacteria population doubles in number every 3 hours. If there are 40 individuals now, how many in 24 hours?" SO I used the geometric series sum formula, with n=8(24/3=8), t1=40, and r=2, but I got 10200 as the answer, instead of what the answer key

92. ## physics

After coming down a steep hill at a constant speed of 49 m/s, a car travels along the circumference of a vertical circle of radius 329 m until it begins to climb another hill. What is the magnitude of the resultant force on the 170 kg driver of the car at

93. ## Static

The country of Statland runs a national lottery for its people. In this lottery, an urn contains 42 balls that are individually numbered 1, 2, ..., 42. Each week, 5 balls are drawn from the urn without replacement. Gamblers pay a small sum to predict these

94. ## Algebra

To prove: (1 + 2 + 4 + . . . + 2n) + 1 = 2n+1 , ?n = 0 by induction

95. ## Trignometery

Kappy is looking up at a blue UFO hovering above a crop circle with an angle of elevation of 64°. The crop circle is 42m from Kappy. A larger, red UFO is hovering straight above Kappy, looking down at the blue UFO with an angle of depression of 12°. How

96. ## Science

Identify and discuss at least two forces that would be involved when an elderly patient who is proped up at about 4 degrees in a bed and slowly slides down to an almost horizontal position?

97. ## Algebra tricky ques

if w is one of the complex cube roots of unity, show that 1+w equals 1. w is raised to power 2

98. ## Set Question 1

Simplify(X U Y U Z) n (X U (Y n Z))

99. ## Probability Ques

what is the probability for getting four cards higher than 10 on one hand in whist.

100. ## Paarabola Ques

what is the conditon fost. line y=mx+c to be normal to parabola y^2=4ax?

101. ## Health

Scenarios that requires a patient to be a person assist instead of one person during patient care and why? I already have someone paralyzed and that is badly injured? What are some more?

102. ## Physics

Any help direction is appreciated. Inez is putting up decorations for her sister's quinceanera (fifteenth birthday party). She ties three light silk ribbons together to the top of a gateway and hangs from each ribbon a rubber balloon. To include the

103. ## Physics

A car slows down from a speed of 24.0m/s to rest in 9.0s, How far did it travel in that time?

104. ## Mathematics

A train travels 60 km at a constant speed of 40km per hour for 1.5 hours. Explain why the total distance traveled does not affect the speed.

105. ## maths triangels

a building having height 25ft cast a shadow 35ft and a person standing on the building of height h and cast a shadow 10 ft wht is the height off man ? please answer me how to solve

106. ## combination probability

A bag contains 6 red, 7 white and 5 blue marbles, how many ways can four marbles be picked where there are an equal number of red and white marbles? Is it 315 ways?

107. ## math

my sun in thea 1st grade me no understand to much english i need very much help what is 9+10=??? me having very hard time help asap

108. ## maths

chnge engineering stress=34.67*10 rais to the power-6 peta newton/metersquare to atto lb/square miles?

109. ## physical

an orienteer runs 300m north and then 400m to the southeast (at a 45 degree angle to north). if he runs at a constant speed, how far away is he from the starting position?

110. ## Education/college

I had to create some learning goals for a personal Finance course (I am pretending to teach. I have these learning goals that I need to make less ambiguous. Can you help me? Balance a checkbook Understanding the banking process Identify pros and cons of

111. ## Math

how could you change one of the squares so that a right angle would be created

112. ## physics

Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.82 m. The stones are thrown with the same speed of 8.88 m/s. Find the location (above

113. ## Maths

If 15 swallows flew 380 miles south then had a rest,then flew 800 miles towards the coast. How many miles did each fly? How many miles they flew altogether?

114. ## Math

Cannon wants to make a garden with a border of his yard. He has lumber in several different lengths. Which three lengths could be used to make a right triangle to fit into the corner of his yard? A. 4ft.,6ft.,10ft. B.7ft.,12ft.,15ft. C.5ft.,12ft.,13.

115. ## English

I am currently writing an argumentative essay about religion. The question is; Does religion better us as a society or does it create more conflict and division in the world? Being the Devils Advocate that I am I am going to argue that it creates more

116. ## Math

Hi! Can someone help me with these? I just learned about them yesterday but I'm really confused. All my teacher wants me to do is solve each equation and that's all the directions she gave. Thanks so much! 1.) 3cot^2 x-1=0 Location on Unit Circle: Period:

117. ## Math

Q1.A tree was chopped by the Samuels family for the holidays. How tall was the tree originally if the piece they chopped down was 7feet tall, and fell 4 feet from the stump? Q2. Mr pratt's rake is leaning up against a wall. If the top of the rake hits the

118. ## crime

How might a news company’s political alignment alter its presentation of crime in America?

119. ## SOCIAL STDIES HELP!

Select the effects of the Union blockade of the South. (Choose all that apply.) (2 points) Some individuals became blockade runners. It prevented access to Confederate ports. It stopped the manufacture of goods in Confederate states.**** It lessened the