# Questions Asked onNovember 26, 2013

1. ## Math

Suppose a baseball player had 211 hits in a season. In the given probability distribution, the random variable X represents the number of hits the player obtained in the game. x P(x) 0 0.1879 1 0.4106 2 0.2157 3 0.1174 4 0.0624 5 0.0060 a.) Compute and

2. ## Probabilities

A brand name has a 40% recognition rate. If the owner of the brand wants to verify that rate by beginning with a small sample of 10 randomly selected consumers, find the probability that exactly 4 of the 10 consumers recognize the brand name. Also find the

3. ## physics

A stone propelled from a catapult with a speed of 50m/s attains a height of 100m. calculate: a.the time of flight b.the angle of projection c.the range attained:

4. ## vocab

The road grew wilder and 'drearier'. broader darker muddier older My guess is darker, but I have a feeling it is broader. Can someone help me?

5. ## English

(This is from Young Goodman Brown) What can be inferred about the companion's character in lines 8 and 9? "Faith kept me back awhile," replied the young man, with a tremor in his voice, caused by the sudden appearance of his companion, though not wholly

6. ## math

If f(x) = x2 - 3x + 5 and g(x) = 3x. Find (f · g)(x).

7. ## physics

To measure the static friction coefficient between a 1.6-kg block and a vertical wall, the setup shown in the drawing is used. A spring (spring constant = 400 N/m) is attached to the block. Someone pushes on the end of the spring in a direction

8. ## AP Chemistry

The equilibrium constant Kp is 5.00×10^17 at 25◦C for the reaction C2H4(g) + H2(g)C2H6(g). From this information, calculate ∆G0 at 25◦C

9. ## English

1. He works hardest. 2. He works the hardest. (Are both correct?) 3. She is most beautiful. 4. She is very beautiful. 5. She is the most beautiful. (Does #3 mean #4 or #5?) 6. She is the most beautiful woman. 7. She is most beautiful woman. 8. She is a

10. ## Physics Classical Mechanics

A uniform steel beam of mass m1= 300.0 kg is held up by a steel cable that is connected to the beam a distance L= 5.0 m from the wall, at an angle θ= 40.0∘ as shown in the sketch. The beam is bolted to the wall with an unknown force F⃗ exerted by the

11. ## science

which of the following is an important outcome of biodiversity that humans use? A) computers B) medicines** C) fashion D) housing

12. ## poiseuille's law

GIVEN: L = 3.0 cm = 0.03 m r = 0.3 mm = 0.0003 m (delta) y = 1.0 m 1 pint = 500 cm^3 [approx.] given a) Find the rate of flow, F = ? b) How long will it taken to inject 1 point of blood, t = ? a & b) I know we need to find the pressure or speed. F = (P at)

13. ## Math help, anyone?

Solve the proportion. Where necessary, round to the nearest hundredth. Plz help i really need 2 get this in!! 11. 9/10 = x/10 9 *** 90 10 100 12. x/4 = 6/7 168 0.21 28 3.43 13.Write the ratio as a fraction in simplest form. 22:36 14. Write the ratio as a

14. ## English

Write the words in alphabetical order between the guide words. (Leap,lean , layer, less, lady) Answer,, Lady ,layer, lean , leap , less

15. ## World History

Which remained strongly organized and grew more powerful as the Western Roman Empire collapsed? the military command the Christian Church the Orthodox Church the trade networks

16. ## physics

A tray is moved horizontally back and forth in simple harmonic motion at a frequency of f = 1.86 Hz. On this tray is an empty cup. Obtain the coefficient of static friction between the tray and the cup, given that the cup begins slipping when the amplitude

17. ## math

If f(x) = x2 - 3x + 5 and g(x) = 3x. Find (f · g)(x).

18. ## uh, any help.

Use cross products to demonstrate whether the two ratios are equivalent: four-sixths and fourteen over twenty-one

19. ## chemistry

2. What is the percent yield of Mg3N2 if 73.9 g of Mg reacts with 31.6 g of N2 to produce 79 g of Mg3N2 according to the following chemical reaction? (Reaction may or may not be balanced.) mg+n2=Mg3N2

20. ## calc

Calculate the 5-unit moving average of the function f(x) = x^2/3

21. ## AP Chemistry

Analysis of a reaction mixture showed that it had the composition 0.43 mol/L N2, 0.541 mol/L H2, and 0.124 mol/L NH3 at 800 K, at which temperature Kc=0.278 for N2(g) + 3H2(g)2NH3(g). Calculate the reaction quotient Qc

22. ## math

Ms.Hernandez has 17 tomato plants that she wants to plant in rows.She will put 2 plants in some rows and 1 plant in the others.How may different ways can she plant the tomato plants? make a table to solve.Ms.Hernandez can plant the tomato plants.....ways.

23. ## AP Chemistry

The equilibrium constant for thermal dissociation of F2 F2(g)2F(g) is 0.300. If initially 1.00 mol F2 is placed in a 1.00 L container, which of the following is the correct number of moles of F2 that have dissociated at equilibrium? 1. 0.130 mol 2. 0.418

24. ## confidentiality in allied health

the technology that identifies people through bodily characteristics is known as a.genetic testing b.psychometrics c.latent identifications d.biometrics my answer is d

25. ## Precalc

solve the equation: log base 10 of x - log base 10 of (7-4x)=2 Please help i have been stuck on this for awhile!

26. ## analytic

what is the answer of this?the line segment connecting (x,6)and (9,y) is bisected by the point (7,3) find the values of x and y

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. the men gathered every day at noon to sing shuffleboard

28. ## Chemistry

(a) Which of the following are requirements for anionic polymerization? 1-A double bond 2- End groups which can react by releasing a small molecule 3- A strong base to initiate the reaction 4- A strong acid to initiate the reaction 5- An

29. ## Science

An object weighing 90 N has a volume of 45 mL and a mass of 9.0 g. What is its density? A. 0.10 g/mL B. 0.20 g/mL C. 5.0 g/mL d. 10 g/mL Please and Thank YOU

30. ## Instructions

The teacher gave us a mini essay that has 16 questions under each chapter (Chapters 1-4, 4 questions per chapter). Her instructions are as follows: "Below you will find short-essay-type questions from each of the Unit 2 chapters. Please select and respond

31. ## Calculus

How can I get partial sums of a series on a TI 89 calculator?

32. ## Can someone plz help me?

1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 4. Blake sold 52 tickets to the school play, and Jane sold 8 tickets. What is the ratio, in simplest form, of the number of tickets Jane sold to the number of tickets Blake sold? (1

33. ## Math

If I had a math problem of 3n^4/3n^3 would my answer be 1n^1 which equals to n^1?

After the velocity selector, a mass spectrometer allows the charged particle to enter a region of magnetic field only, where it follows a curved trajectory and hits a detector which records his position. Your mass spectrometer has the velocity selector set

35. ## algebra 2

The Butler family drives home from a vacation. The table of values that follows shows the relationship between the number of gallons, g, of gasoline their car uses and the distance in miles, d, the car is from home: Gallons of Gasoline Used (g) Distance

36. ## Social Studies

Did the Boston Tea Party happen because of the Tea Act? Was this one reason, and are there other reasons, too?

37. ## 1 question!

12. x/4 = 6/7 168 0.21 28 3.43 what is the proportion?

38. ## Math #2

If I had a math problem 2x^4 x y^-4 x z^-3 / 3x^2 x y^-3 x z^4. In simpler terms it would look like this: 2x^4 X y^-4 X z^-3 ------------------- 3x^2 X y^-3 X z^4 When I tried to solve this I got 6x^2 X y^-1 X 2^-7. Am I correct? If not could you please

39. ## quick english help

Over time, this acidic groundwater eventually eats eats away at the rock, leaving an underground chamber, or cave.

40. ## Statistics

A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study, 449 babies were born, and 250 of them were girls. Use the sample data with .01 significance level to test the claim that with this method, the

41. ## Algebra

For the integers from 1 to 1000, how many multiples of 9 are also multiples of 6?

42. ## Chemistry

At a certain temperature, the Kp for the decomposition of H2S is 0.774. H2S(g) H2(g)+S(g) Initially, only H2S is present at a pressure of 0.120 atm in a closed container. What is the total pressure in the container at equilibrium?

43. ## science

An objects _________ does not change no matter where in the university

44. ## math

Nancy made the following statement: The range of f(x) = ax + b is the set of all real numbers given that a and b are real numbers. Which produces a counter example to her statement? b = 0 a = 0 b < 0 a < 0 i think its a=0 please help

45. ## English

1. In the playground lay the dying soldiers. 2. In the playground he lay. 3. In the playground lay this. 4. In the playground this lay. (#1 and #2 are right? What about #3 and #4? Which one is grammatical, #3 or #4?)

46. ## English

1. On the farm many works these days. 2. On the farm works many these days. (Which one is grammatical?)

47. ## us histery

I am unsure of some of my answers. I have tried looking, I am lost.. I would appreciate any help.. Thank you in advance. I am double checking which of the following statements is true regarding the korea war A} stalin approved the north korean attack in

48. ## math

I am not sure how to calculate this on the calculator: 1225000 = (1 - 6.53%) * amount raised

49. ## world history

How did Enlightenment ideas challenge the authority of kings and emperors?

50. ## us history

I am second guessing myself on these Any help is appreciated which of the following is true with regards to the navigation acts by the eighteenth century? A} the navigation act of 1696 abolished the american customs service b the acts replaced the colomial

51. ## Polticial Science

Control of the bureaucracy through legislative oversight is a matter of

Can you please show me the steps on how to write each decimal as a mixed number in simplest form? 1. 8.9 2. 42.96

53. ## math

You are the buyer for The Shoe Outlet. You are looking for a line of men’s shoes to retail for \$79.95. If your objective is a 55% markup based on selling price, what is the most that you can pay for the shoes and still get the desired markup?

54. ## Physic

What is relationship between the mass and terminal velocity

55. ## Chemistry 12

Given the following [H3O+] or [OH-] and the concentration of the solution calculate the dissociation constant, Ka. [OH-] = 3.9 x 10^(-9) M, with a concentration of 0.50M Answer:1.3 x 10^(-11) How do I get this answer?

56. ## Physical Science

Why do astronomers when using the method to calculate the distance to stars, they measure the parallax angels exactly 6 months apart?

57. ## Physical Science

Why is it important when calculating the distance to extremely distant stars using parallax, astronomers use incredibly accurate instruments?

58. ## Chemistry

The surface tension versus log concentration for two surfactants is shown below. Describe in no more than five sentences how the two surfactants can be so different. You have only one attempt at this problem. People from Edx what is the answer for this

In this problem you will use Rolle's theorem to determine whether it is possible for the function f(x) = 8 x^{7} + 7 x - 13 to have two or more real roots (or, equivalently, whether the graph of y = f(x) crosses the x-axis two or more times). Suppose that

60. ## physics, magnetism

A long thin copper wire has a mass of 100 grams / meter. If it is arranged near the surface of the earth pointing north in a 0.5 Tesla magnetic field pointing west, what current (in amps) is needed to levitate the rod (against gravity)?

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. The steak was likeable to perfection. PLEASE HELP BECAUSE I DON'T UNDERSTAND

62. ## English

a statement about what will happen in the future (What is the part of speech of 'what'? Is 'what' an interrogative pronoun or a relative pronoun?)

63. ## Chemistry

What are the individual orders of the reactants involved in the oxidation of methylene blue by ascorbic acid? Rate of reaction= [MB+]^m * [H2A]^n * [HCl]^p What are m, n, and p?

64. ## science

A small mass m swings in a horizontal circle of radius r at the end of a string of length Li and negligible mass, which makes an angle i with the vertical. The string is slowly shortened (for example by pulling it through a hole in its support) until the

65. ## finance

Wharton charges DEI spreads of 9 percent on new common stock issues, 7 percent on new preferred stock issues, and 5 percent on new debt issues. I need help... I'm not sure which numbers would go to Equity, debt or preferred. I need to find out for E/V, D/V

66. ## physics

if the man in figure 6.13 pulls 1 m of rope downward with a force of 100N, and the load rises 1/7 as high (about 14 cm) what is the maximum load that can be lifted?

67. ## cinfidentiality in allied health

when HIPAA requires authorization to disclose information the authorization must a.include core elements specified by HIPAA my answer is a

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. the patio book was painted black. PLEASE HELP IM BEN DOSLEY`S TWIN BROTHER AND WE ARE ON SIXTH GRADE AND WE REALLY NEED HELP

69. ## physics

if the man in figure 6.13 pulls 1 m of rope downward with a force of 100N, and the load rises 1/7 as high (about 14 cm) what is the maximum load that can be lifted?

70. ## History

Can someone please tell me where to find this: What was the "Era of Good Feeling" In Germany? All I can find is in the U.S but I need Germany. Thanks

71. ## Grammar

If I have two transition words, do I need commas for both of them? Example: Apparently now, they are friends. Do I need a comma between "apparently" and "now," too?

72. ## English

1.She was happiest when she was with her friends. 2. She was the happiest when she was with her friends. (Are both the same?) 3. This river is deepest at this point. 4. This river is the deepest at this point. (Are both the same? Do we have to use 'the' or

73. ## CHEMISTRY

A chemist studying the equilibrium N2O4(g)2NO2(g) controls the temperature so that keq ( equilibrium constant)= 0.028. At one equilibrium position, the concentration of N2O4 is 1.5 times greater than the concentration of NO2. Find the concentrations of the

74. ## History!

Can someone please please help me? :) I'm really stuck on these 3. :( 1.Which statement is NOT a similarity that Emily Geiger and Rebecca Motte share? (1 point) a.Both women were spies. b.Both women's contributions to the American Revolution are often

75. ## math

A and B can finsih a work in 16 days and 12 days respectively. A started the work and worked at it for 2 days. He was then joined by B . find the total time taken to finish the work

76. ## art

What happens when negative and positive shapes begin to fuse together?

77. ## Physic: Projectile Motion

a soccer player shoots a soccer ball at the opposing goal from 15 m away. If the ball leaves his foot at an angle of 20(degree) with the ground, what must its initial velocity be if it enter the goal 2.0 m above the ground?

78. ## physics

A small mass m swings in a horizontal circle of radius r at the end of a string of length Li and negligible mass, which makes an angle i with the vertical. The string is slowly shortened (for example by pulling it through a hole in its support) until the

79. ## Physic: Projectile Motion

a soccer player shoots a soccer ball at the opposing goal from 15 m away. If the ball leaves his foot at an angle of 20(degree) with the ground, what must its initial velocity be if it enter the goal 2.0 m above the ground?

80. ## Physic: Projectile Motion

Two rifles are fired at targets, which are 100 m away. The first rifle fires bullets at 1200 ft/s and the second fires a bullet at 3000 ft/s. How long will it take each bullet to get to the target? If both are aimed directly at the bull's-eye, how far will

81. ## Materials Transport

You have a kiln where theinterior is a cube with an edge length of 30 cm. The walls of the kiln are made of an insulating refactory, and are 10 cm thick. The thermal conductivity of the refractory is .06 W/mK. The interior of the kiln is at a temperature

82. ## Physics Classical Mechanics

A crane is configured as below, with the beam suspended at two points l1 and l2 by each end of a cable passing over a frictionless pulley. The two ends of the cable each make an angle θ with the beam. A counterbalance object C with mass mC is fixed at one

83. ## Finance - Annuities

You have just graduated from the MBA program and to reward yourself you have decided to purchase a 2012 BMW 650 sports car. You are scheduled to make a \$12,000 down payment on the vehicle and have been told that your monthly payments will be \$2,250/month

84. ## Physics Classical Mechanics

A person of mass m2= 85.0 kg is standing on a rung, one third of the way up a ladder of length d= 3.0 m. The mass of the ladder is m1= 15.0 kg, uniformly distributed. The ladder is initially inclined at an angle θ= 35.0∘ with respect to the horizontal.

85. ## Physics Classical Mechanics

You are holding a ball of mass m2 in your hand. In this problem you will solve for the upward force T⃗ that the tendon of your biceps muscle exerts to keep the forearm horizontal and the downward force F⃗ that the upper arm exerts on the forearm at the

86. ## science

Neutrons have a rest mass of 1.6749*10-27 kg (equivalent to 939.6 MeV). If a certain neutron has a total energy of 949 MeV, what are its relativistic mass energy in MeV, its speed in m/s, its kinetic energy in MeV, and its momentum in kg.m.s-1?

87. ## Physics

Vector V1 is 6N along the negative axis. Vector V2 is 4.5 N and point 45 degrees north of the x axis. Find the x and y components of each vector and find the resultant R=V1+V2with the components.

88. ## math

Lucy earns \$326.87 each week. The federal government withholds 18% of that for federal income tax. How much is withheld from her pay annually for federal income tax?

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. the women exchanged ribbons at the cake sale

90. ## Biology

What do you think, is it likely that we will insert genes for new and better properties in humans? Is it desirable? What dangers can you see with such a development?

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. the private gave a snappy hello to the commanding officer

7. Given the function f(x)=Kx^3-mx^2+3x+7, determine the values of k and m if the remainder is -2 when f(x) is divided by x+1 and -4 when f(x) is divided by x-1

93. ## physics

A compact car, mass 755 kg, is moving at 1.00 ✕ 102 km/h toward the east. The driver of the compact car suddenly applies the brakes hard for 1.8 s. As a result, an average force of 5.8 ✕ 103 N is exerted on the car to slow it down. What is the final

94. ## Physics

A 2 g bullet flying at 390 m/!@#\$%^&s a 2.7 kg aluminum block at room temperature and embeds itself in the aluminum. After everything has come to equilibrium, how much has the entropy of the aluminum block increased?

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. the men gathered everyday at noon to sing shuffleboard

If any one read the book Pride and Prejudice and can offer help with these questions? PRIDE AND PREJUDICE Q:How does Elizabeth Bennett react to Mr. Collins' proposal? 1. Amused 2. disappointed 3. confused 4. embarrassed 5. angry (i think its 5) Q:Mr.

97. ## language art

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. during times of inflation it is prudent to be a spendthrift

98. ## geometry

A flagpole has a height of 10 yards. It will be supported by three cables, each of which is attached to the flagpole at a point 4 yards below the top and attached to the ground at a point that is 8 yards from the base of the pole. Find the total number of

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. during times of inflation it is prudent to be a spendthrift

100. ## SS

What role did Paul Revere play in the Boston Tea Party?

101. ## math

9. A company that manufactures a specialty line of high performance racing boats has determined that its profit margin can be represented by the equation, PM(x)=-x^3+7x^2-10x, where x is in thousands of dollars. a) graph without technology. b) determine

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. the surgeon used a scalpel during the delicate road operation

3. Factor x^4-3x^3-11x^2+3x+10 completely using the factor theorem. (5 marks) SHOW ME ALL THE STEPS PLEASE.

104. ## English Question

Should "their" be capitalized in a title?

105. ## english

PRIDE AND PREJUDICE The idea of Mr. Collins, with all his solemn composure, being run away with by his feelings, made Elizabeth so near laughing that she could not use the short pause he allowed in any attempt to stop him farther, and he continued: "My

106. ## algebra

how do you solve this equation d/3t + d/4.5(t+1.5) = d

107. ## physics

if a teacher wanted to demonstrate mass in the classroom, which of the following objects should she use? a ruler or an eraser

108. ## chemistry

what is the OH of a 0.025 M HF solution?

109. ## Math

The value of 4C2 is______________.

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. the court was subtracted into four parts

111. ## statistics

A particular country has 55 total states. If the areas of 30 states are added and the sum is divided by 30, the result is 196,582 square kilometers. Determine whether this result is a statistic or a parameter and why.

one word in each sentence does not fit the context. Underline that word and write a word that does fit the context. the overweight person should gobble what he eats.

one word in each sentence does not fit the context. underline that word and write a word that does fit in the blank provided the artist admitted a portrait of himself

114. ## maths

2y x (-28)=48

115. ## Newspaper Article Writing

I have a project which asks me to write a newspaper article and I'm kind of confused about where the byline goes. The directions say that the byline appears "under the headline." I've never seen a byline go directly under a headline and that is probably

one word in each sentence does not fit the context. underline that word and write a word that does fit in the blank provided the private gave a snappy hello to the commanding officer.

y2y=-8

118. ## Grammar Question

When using "hark" in a sentence, do I use "to" after it, as in "they harked to the weird sound?"

119. ## math

A rocket is launch from the top of an 40 foot cliff with an initial velocity of 140 feet per second, the height h of the rocket after t seconds is given by the equation h=16t^2+140t+40. How long after the rocket is launch will be 30 feet from the ground?

120. ## math

which expression is equivalent to 4*4*4*4*4*4*4*4? Debra has 2/3 of a pound of loose green tea leaves. If she wants to keep one-half of the tea at home and the other half at work, what fraction of a pound will she have at work? 7-5/7= what is (-7) to the

121. ## chemistry

A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 13.4 mg of fluoxymesterone in enough water to give a total volume of 500.0 mL. A 100.0-µL aliquot

Name these: a) CH2=CH-CH=CH2 b) CH3-CH=CH-C(TRIPLE BOND)CH c) CH3-CH2-CH2-CH(Cl)-CH(Br)-CH3

123. ## Trigonometry

Could someone please help me with the following q's I'm having some trouble: 1.) cot θ (theta) = 0.791, find sec θ and tan θ 2.) tan θ = 9/40, what is the value sin^2θ + cos^2θ

124. ## Math

In April, 935 people went to the top of the Sears Tower in Chicago. In may, 1,027 people went to the top . How many more people went to the top of the tower in may than April?

125. ## Math

Multiply 6,7, and 8 1/A touchdown in football is worth 6 points. How many points are 9 points worth? Answer,, 6*9=54 2/Dante walks 4 blocks to school and 4 blocks home . How many blocks does he walk in 3 days to and from school? Answer,, 4*4=16

Which one of the following is a defensive strategy? A. Diversification C. Concentration B. Vertical integration

127. ## QNT/351

Describe a business situation, other than what has already been selected by fellow students or selected from the team assignment, where mean and standard deviation can be used in decision making. Describe how calculation of mean and standard deviation can

128. ## physics

An elastic cord vibrates with a frequency of 3.5Hz when a mass of 0.62kg is hung from it.What is its frequency if only 0.40kg hangs from it?

129. ## math(help)

for questions 1-2,estimate the sum or difference.use the benchmarks 0,1/2,and 1. 1.23/40-9/30 A.0 B.1 C.1/2 2.simone measures the width of one cardboard strip as 1/2 yd.a second cardboard strip measures 5/6 yd in width.estimate the combined width of the

130. ## math(help)

1.23/40-9/30 A.0 B.1 C.1/2 2.simone measures the width of one cardboard strip as 1/2 yd.a second cardboard strip measures 5/6 yd in width.estimate the combined width of the cardboard strips. A.about 1/2 yd B.about 1 yd C.About 1 1/4 D.about 1 1/2 yd for

131. ## algebra 1

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). How do I graph it?

132. ## physics

A 30.0-kg block is resting on a flat horizontal table. On top of this block is resting a 15.0-kg block, to which a horizontal spring is attached, as the drawing illustrates. The spring constant of the spring is 340 N/m. The coefficient of kinetic friction

After the velocity selector, a mass spectrometer allows the charged particle to enter a region of magnetic field only, where it follows a curved trajectory and hits a detector which records his position. Your mass spectrometer has the velocity selector set

134. ## physics

The shock absorbers in the suspension system of a car are in such bad shape that they have no effect on the behavior of the springs attached to the axles. Each of the identical springs attached to the front axle supports 303 kg. A person pushes down on the

135. ## physics

A spring stretches by 0.018 m when a 3.6-kg object is suspended from its end. How much mass should be attached to this spring so that its frequency of vibration is f = 2.9 Hz?

136. ## Physical Science

Groups of atoms that behave as though they were single atoms are called __________.