# Questions Asked onNovember 19, 2013

1. ## statistics

A data set includes body temperatures of healthy adult humans for which x= 98.2 and s=0.64 F. Complete parts a) and b) below a) what is the best point estimate of the mean body temperature of all healthy humans? The best point estimate is F. b) Using the

2. ## statistics

In a study designed to test the effectiveness of magnets for treating back pain, 40 patients were given a treatment with magnets and also a sham treatment without magnets. Pain was measured using a scale from 0 to 100. After given the magnet treatments,

3. ## chemsitry help again please

Write the formula of the conjugate base for acid HClO2 .

4. ## Physics

A woman on a bridge 75.0m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 7.00m more to travel before passing under the bridge. The stone

5. ## Trig - Law of sines and cosines

ABC is an equilateral triangle with side length 4. M is the midpoint of BC, and AM is a diagonal of square ALMN. Find the area of the region common to both ABC and ALMN. I drew the diagram but I don't know how to find the answer? I think it has something

6. ## English (phrasal modals)

Zach used to work at an independent record label. Negotiating could be exciting, but he was supposed to slant everything in the label’s favor. Some reps used questionable tactics. He couldn’t look at himself in the mirror if he treated people like

7. ## math

Two thirds the sum of 30 and a number is 26.

8. ## chemistry

Hydrogen gas can produced by the reaction between metallic aluminum and aqueous hydrochloric acid 2Al+6HCl----2AlCl3+3H2 Hydrogen gas produced by this reaction is typically collected via water displacement, during which time the hydrogen gas becomes

9. ## Engish

The weather is the condition of the atmosphere in one area at a particular time, for example if it is raining, hot of windy. (In this sentence can we use ' whether' instead of 'if' after 'for example' to have the same meaning?) English - Writeacher,

10. ## Math

Suppose that it takes Sally 3 hours to mow, and it takes Tom 4 hours to mow the same lawn; Tom's mower is less powerful than Sally's. Without using algebra determine how long it would take Sally and Tom to mow the lawn if they worked together using both

11. ## cal

Evaluate dy/dt for the function at the point. y√x+1 = 12; dx/dt = 8, x=15, y=3

12. ## chemistry

The letters CHEMISTRY were spray painted in blue paint on the snow. After a while the sun comes out and the snow under the blue paint melts while the snow around the letters do not. Why did the snow under (rather than around) the blue paint melt?

13. ## Check my answers 6 ?s- Physics

What is a free body diagram? (Points : 1) a drawing of an object in free fall a diagram showing all the forces acting on an object but not its surroundings

14. ## Math

How many integer palindromes are between 10,000 and 70,000 and how many of those are even?

15. ## math

On a map of the Fox River, 1 centimeter represents 6.5 kilometers. If a trail by the river is actually 26.65 kilometers long, what is the length of the river on the map?

16. ## Chemistry

A student ran the following reaction in the laboratory at 327 K: CH4(g) + CCl4(g) 2 CH2Cl2(g) When she introduced 4.07E-2 moles of CH4(g) and 7.57E-2 moles of CCl4(g) into a 1.00 Liter container, she found the equilibrium concentration of CH2Cl2(g) to be

17. ## Health (Ms. Sue)

Compare the effects of stimulants, depressants, opiates, and hallucinogens on the body and behavior. A: 6. Depressants slow down a person’s behavior and the part of the central nervous system, which leads to symptoms such as drowsiness, relaxation,

18. ## math

when invested at an annual interest rate of 4.7% an account earned 1290.33 of simple interest in 3 years how much money was originally invensted

19. ## Pre-Calculus

The graph of f(x)= (x^2 - 11x + 18)/(x-9) consists of a line and a hole. Find the equation of the line and the coordinates of the hole. I really have no idea how to do this. I tried factoring it and ended up with (x-2), but I don't know how that helps me.

20. ## statistics

A data set includes 108 body temperatures of healthy adult humans for which x is 98.2 degrees and s is 0.64 degrees. What is the best point estimate of the mean body temperature of all healthy humans?

21. ## Statistics

Create a null hypothesis for the following research questions: a. What are the differences between emergency room shifts on medication errors? b. On a clinical trial of a new drug, what will be the effects over a currently used drug?

22. ## algebra

suppose you invest a certain amount of money n an account that pays 11% interest annually, and 4000 more than that in an account that pays 12% annually, How much money do you have in each account id the total interest for a year is 940

23. ## Social Studies

Which of the following is most likely a piece of modern Chinese state propaganda? a. a short film promoting the Cultural Revolution. b. a statue showing the modern thinker Confucius. c. a poster supporting the one-child policy. d. a website giving

24. ## English

Pick the correct letter for the analogy below. Please correct me if I'm wrong!! meditation: church:: A. calibration: math B. skating: rink C. watch: time D. collaboration : army Is it A?

25. ## World History

For my research project, I need to choose an absolute monarch. I want to do one on a monarch/emperor/king from Vietnam because I have Vietnamese origins and am interested in learning more about its history. Is there any well known Vietnamese absolute

26. ## parts of speech

Which verb tense indicates continuing action? A. Present B. Past perfect C. Future D. Progressive

27. ## Chemistry

How many moles of CaCl2 are produced when this reaction is started with 4.70 grams of chlorine gas?

28. ## English

1. He was excited to hear the news. 2. He was excited that he heard the news. (Are both the same? Or does #1 mean #2-2 as follows?) 2-2. He was excited that he would hear the news. 3. He was excited to watch the game. 4. He was excited that he watch the

29. ## algebra 2

15 seconds after the buzzer, the teacher still has 135 meters to go to the finish line. 32 seconds after he left the starting line, the teacher has only 50 meters more to run. 22 seconds after the buzzer, Usain is 189 meters from the finish line. 36

30. ## math 115

Let x be a continuous random variable that follows a normal distribution with a mean of 200 and a standard deviation 25. Find the value of x so that the area under the normal curve between ì and x is approximately 0.4798 and the value of x is greater than

31. ## chemistry

In the following reaction, how many liters of carbon dioxide, CO2, measured at STP, would be produced from the decomposition of 143 g of magnesium carbonate, MgCO3? MgCO3----MgO+CO2

32. ## Chemistry

Name the straight-chain alkane that is a constitutional isomer of 2,4-dimethylhexane. Pls help

33. ## maths

A person drives 500 km in 6 months. How many km will that person drive in 3 years?

34. ## English (concrete nouns)

Read the passage below and answer the following question: Zach enjoyed biking to his job at Bistro Café. The early morning ride gave some serenity to his hectic schedule. Opening the restaurant allowed him to get everything ready before the rest of the

35. ## Geometry (math)

Suppose line p is perpendicular to line s and line q is perpendicular to line s. are p and q parallel under all circumstances? Draw a figure to illustrate your answer . I doubt if we can post pictures on this,because my question asks to draw a figure.I

36. ## statistics

A group of 49 randomly selected construction workers has a mean age of 22.4 years with a standard deviation of 3.8. According to a recent survey, the mean age should be mu=21.9. Test this hypothesis by constructing a 98% confidence interval for the

37. ## English

Read the passage below and answer the question: Jack: I’ll be there in 20 minutes. I’m stopping at the store to pick up some batteries. Do you need anything? Mike: Will you buy some coffee for me? I’ll pay you back when you get here. Which statement

38. ## Social Studies (History)

What message does The New Colossus convey to would-be immigrants?

39. ## algebra

i need help: A national achievement test is administered annually to 9th graders. The test has a mean score of 100 and a standard deviation of 15. If John’s z-score is 1.20, what was his score on the test?

40. ## English

Pick the correct letter for the analogy below. Please correct me if I'm wrong!! toe: foot:: A. nose: face B. hand: arm C. finger: hand D. limb: tree

41. ## English

Pick the correct letter for the analogy below. Please correct me if I'm wrong!! A. thermometer: heat B. barograph : stocks C. seismograph : tremors D. telegraph: sound Is it B?

42. ## English

Pick the correct letter for the analogy below. Please correct me if I'm wrong!! thermometer: heat:: A. monograph: books B. barograph : stocks C. seismograph : tremors D. telegraph: sound Is it B?

43. ## News

Hi I need help determining the significance and impact of this story from fox news Nancy Pelosi defended her rhetoric leading up to a passage of the 2010 health care law while seeking to minimize the reports to unrest in her caucus and the potential for

Can you check this problem, please? n/((3/4))=5/9 Ans: multiply both sides by (3/4) n = 5/9 * 3/4 n = 15/36 n = 5/12

45. ## math

using your answer to the question above what is the net dollar amount of that rose order?

x and y represent two angles in standard position. x has its terminal arm in the first quadrant and y has its terminal arm in the third quadrant. If cosx=5/13 and cosy = -5/13 then find the value of 2sinx+2siny+2cosx-2tanx+tany+2cosy

47. ## MATH

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

48. ## PRECALCULUS

Solve the equation in the indicated domain. 1. 2cos^2 x-5cos x +2=0 x E[0,360) 2. sin^2 x+5 sin x +6=0 x E[0,360)

49. ## Chemistry

How many of O is in the formula 4Cu(OH)2 ? (The 2 is the subscript)

50. ## Dau

2. A sample of a gas occupied a volume of 1.40 liters when the pressure was 768 torr and the temperature was 26.9 °C. The volume of the system was readjusted to 2.16 liters by changing the temperature. What was the temperature in the system?

51. ## physics

Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. The inclined plane is inclined at an angle of 37 degrees. The hanging block has

52. ## Trigonometry/Geometry

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB = DE, BC = EF, and angle A = angle D, then we cannot deduce that ABC and DEF are congruent. However, there are a few

53. ## tech

when you save documents it is important to check the ___ at the top of the navigation window to insure you are saving the file in the correct location

54. ## algebra

What is 499.79-15099 million dollars

Determine an expression using trigonometric ratios of special angles that simplifies to an answer of sqrt3/2. Use three different angles.

56. ## Science

What causes a diet coke to float and a regular coke to sink in water??

57. ## statistics

You randomly choose 16 unfurnished one-bedroom apartments from a large number of advertisements in your local newspaper. You calculate that their mean monthly rent is \$613 and their standard deviation is \$96. Does this SRS give good reason to believe that

Are there any angles x and y that satisfy sin(x+y)= sinx+siny? Use an example to explain your answer.

59. ## English - concrete nouns

Is there anyway a sentence can be written to portray the word "job" as a concrete noun? Or is "job" always going to be an abstract noun?

60. ## English

1. This book was the most helpful for my homework. 2. This book was most helpful for my homework. 3. Tom is the youngest of his brothers. 4. Tom is youngest of his brothers. 5. He is the tallest in his class. 6. He is tallest in his class. (Which one is

61. ## literature

I have one more confusing question regarding this. And Thank you Ms.Sue for answering the last question! Franklin's humor in Witch Trial at Mt. Holly depends upon the belief that... a)the belief that religion takes precedence over science b)the belief that

62. ## Calculus

Given f''(x)= -4sin(2x) and f'(0)=4 and f(0) =-6. Find f(pi/2)

63. ## Language Arts question

Identify the simple predicate in the sentence below. This best-selling novel is unavailable for the next three weeks. (1 point) Is*** Is unavailable for the next three weeks novel Correct?

64. ## Two Grammar Questions

1. I don’t want to let go; I love this thing.-------> Is the semicolon used correctly? 2. "Why does that need to happen," asked my friend.------> Do I need a question mark in the quotes or is the comma used correctly?

65. ## Maths

D(5)= 50e^-2 How would I solve it from here?

66. ## math

What fraction is greater using approximation 13/30 or25/41

67. ## Math Help

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

68. ## math

What fraction is greater using approximation 13/30 or25/41

70. ## US History

What level of public support or criticism did President Eisenhower earn as a result of the way he handled communist threats? How did the criticism bolster or hinder his presidency?

71. ## English

1. This book was most helpful for my homework. 2. This book was the most helpful for my homework. (Which one is grammatical? Do we have to use 'the' or not in this case?) Q: How do we pronounce 'helpful'? (It's a little difficult to pronounce...Thank you

72. ## MATHS

24 1c coins are set out in a row on a table Then every 2nd coin is replaced by a 2c coin every 3rd coin is replaced by a 5c coin every 4th coin is replaced by a 10c coin every 5th coin is replaced by a 20c coin every 6th coin is replaced by a 50c coin and

73. ## English

1. This book was most helpful for my homework. 2. This book was the most helpful for my homework. (Which one is grammatical? Do we have to use 'the' or not in this case?) Q: How do we pronounce 'helpful'? (It's a little difficult to pronounce...Thank you

1. Mis padres piensan comprar un televisor muy grande con _____ para la sala de estar. A. un tostador B. un estante C. control remoto D. un bombillo I said B 2. ¿Por qué no vas a lavar la ropa hoy? No puedo porque no ____ la lavadora. A. conserva B.

75. ## Science

If a galaxy is 1,000 Mpc away, how fast isit recending?

76. ## Chemistry

If 5.0 grams of Zinc were added to 35.0 grams of H2SO4, how many grams of hydrogen gas would be evolved?

77. ## Physics

A 1.6 kg mass and a 6 kg mass are connected by a massless string over a pulley that is in the shape of a solid wheel having a radius 0.13 m and mass 5.5 kg. Determine the linear acceleration of the blocks.

78. ## social science

formulate a 3 stage hypothesis from "How have Asia's achievments broadened our understanding of the influence of our neighbours ?" 1. The great wall od china is a famous tourist destination toAustralians as it helps us understand the Chinese culture and

79. ## brief calc

evaluate the integral using integration by parts 7xe^-x

80. ## algebra 2

A cafeteria has 5 turkey sandwiches, 6 cheese sandwiches, and 4 tuna sandwiches. There are two students in line and each will take a sandwich. What isthe the probability that the first student takes a cheese sandwich and the next student takes a turkey

81. ## math

You randomly choose 16 unfurnished one-bedroom apartments from a large number of advertisements in your local newspaper. You calculate that their mean monthly rent is \$613 and their standard deviation is \$96. Does this SRS give good reason to believe that

82. ## Scence

the average temperature of the universe is 2.7 Kelvin. What temperature in degrees Fahreneit?

83. ## English

Jaycee______ himself yesterday when he ran into the goal post. A. Hurt B. Hurted

84. ## physics

a go-cart with a mass of 47.0kg is accelerating at a rate of 4.50m/s^2. What net external force is being applied to the go-cart?

85. ## English

1. You need to take a warm jacket. 2. - I know. 3. - I see. (What is the difference between #2 and #3 in answer?)

86. ## Child Develpoment

I'm writing an essay/interview on my partner. Is the word neglected a right way to describe how you would think she felt. By the fact that she was dressed as a boy. I was the first girl after my brothers. My mom went crazy with the dresses that she had

87. ## physics

A person puts a suitcase of mass 10.9 kg into a van, moving the suitcase a total distance of 0.90 m: 0.60 m up and 0.30 m horizontally. How much work is done by the person?

88. ## math

write the multiplication represented by the partial products. then write the product. 1. 800+280+60+21 2.600+40+180+12 3.2000+280+300+42 4.3600+300+300+25 5.2100+560+0+0 6.7200+270+320+12

89. ## Physics

A container holds 1.3 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 6.6x10-3 kg bullet with a speed of 670 m/s. What is the Kelvin temperature of the gas?

90. ## math

how to graph x-y=1 and x+2y=6

91. ## Science

If you are traveling 93,000 miles per second, and you needed to travel 620 trillion miles, how long would it take you?

92. ## US-HISTORY

List ways Woodrow Wilson disappointed people in the area of civil right...

93. ## physics

Water flows at 0.860m/s from a hot water heater, through a 450-kPa pressure regulator. The pressure in the pipe supplying an upstairs bathtub 3.70 m above the heater is 414-kPa. What's the flow speed in this pipe?

94. ## physics

How big would a spherical helium balloon have to be to lift a 70kg person? The mass of the balloon's skin is 4.0kg

95. ## algebra 2

15 seconds after the buzzer, the teacher still has 135 meters to go to the finish line. 32 seconds after he left the starting line, the teacher has only 50 meters more to run. 22 seconds after the buzzer, Usain is 189 meters from the finish line. 36

96. ## Trig

sin^2(34)+sin^2(48)+sin^2(56)+sin^2(42)

97. ## physics

Find the distance by which a 42cm diameter, 9.4m tall concrete column is compressed when it supports a 12900kg load

98. ## socials

What information is presented? How reliable is this information

99. ## BioLoGY___PLZ HELP

In the moss plant,the sporophyte is sometimes referred to ad a 'semi-parasite'. Explain why this is so?

100. ## Math

Using the linear equation y = -3x + 5, complete the table of values (T-Chart) and choose the correct graph. X = -2 Y = _ X = -1 Y = _ X = 0 Y = _ X = 1 Y = _ X = 2 Y = _

101. ## math

Integers a,b,c,d and e satisfy 50

102. ## Physics

calculate the acceleration of this system, assuming that there are no frictional forces between the table and Block A. Block A is sitting on a table connected by a rope to a pulley system and Block B is hanging off the table connected to the rope from the

103. ## chemistry

if the %m/m of a solution of NaCl is 22%, how may grams of NaCl are present in 250g of solution?

104. ## Physics

A 400 gram block slides down a 30 degree incline from rest and reaches the bottom with a speed of 4.50 m/s. If the height through which the block falls is 2.0 meters, find the average frictional force that acted on the block.

105. ## geometry

point g is the centroid of triangle ABC find value of x, FG=x+8 and AF=9x-6

106. ## Geometry

triangle HJK with median HN, JL, and KM and centroid P 1)PN=?HN 2)PL=?JP, KP?KM

107. ## Chemistry

A student ran the following reaction in the laboratory at 651 K: 2 NH3(g) N2(g) + 3 H2(g) When she introduced 8.75E-2 moles of NH3(g) into a 1.00 Liter container, she found the equilibrium concentration of H2(g) to be 0.119 M. Calculate the equilibrium

108. ## Social Studies (History)

What significance does Emma Lazarus' choice of complex language have in her poem?

109. ## Math Questions

1.) You have \$22 in your bank account, and you deposit \$11.50 per week. Your cousin has \$218 in his bank account and is withdrawing \$13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have

110. ## Chemistry

A student ran the following reaction in the laboratory at 650 K: H2(g) + I2(g) 2 HI(g) When she introduced 0.204 moles of H2(g) and 0.229 moles of I2(g) into a 1.00 Liter container, she found the equilibrium concentration of I2(g) to be 5.77E-2 M.

111. ## math

Jim is putting up fence posts around a rectangular garden. He used 50 posts and placed them 2 feet apart. The length of the garden is 30 feet. What is the perimeter of the garden? What is the area of the garden? thanks

112. ## Statistics, epidemio

Im a medical student and i need to evaluate the Association between depression to cardiovascular disease. 1. what Type of Research Studies makes sense to do? 2.Design (Study period, epidemiological approach...) 2. Who are the participants in study and how

113. ## Physics

Two spheres of equal mass are thrown against a wall with equal velocities. One sphere rebounds with 75% of its original speed, while the other sticks to the wall. Which imparted a greater impulse to the wall, the sticky ball or the rebounding ball? Justify

114. ## Chemistry

Nitrate salts containing metal ions with the following electron configurations are added to water to make a solution. Predict whether the salt solution will be colored or colorless and explain the reasoning. a. [Kr]4d10 b. [Ar]3d3

115. ## Math

if takes bob 40 mins to type 6 pages how many pages can bob take type in 2.5 hours

116. ## Chemistry

The most chemically reactive metal elements are the alkali metals. They react spontaneously with water or other substances in the atmosphere and must be stored under oil. a. What type of reactions will these metals undergo? b. Explain why these metals are

117. ## Chemistry

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

118. ## Chemistry

Using the heats of formation, determine what the heat of vaporization of water should be. Heat of formation of water: -248.8 kJ/mol The chemical reaction: 2CH4 + 3O2 => 2CO + 4H2O (balanced)

119. ## Physics

The brick wall (k=0.80 W/m°C) of a building has 4.0 m X 10.0m dimensions and 15cm thick. How much heat in joules flows through the wall in 12-hour period when the average inside and outside temperatures are 20°C and 50°C?

120. ## maths

A community college has 2,000 students and 50 instructors. Next year the enrollment will be 6,000. How many new instructors should be hired if the college wants to keep the same student to instructor ratio?

121. ## Math/Science

If it is 587 quadrillion miles across our galaxy and you are traveling at 93,000 miles per second, how long will it take you to go across it?

122. ## Phyics

Three moles of an ideal monatomic gas are at a temperature of 396 K. Then 2438 J of heat is added to the gas, and 897 J of work is done on it. What is the final temperature of the gas?

123. ## Physics

Three moles of an ideal monatomic gas are at a temperature of 396 K. Then 2438 J of heat is added to the gas, and 897 J of work is done on it. What is the final temperature of the gas?

124. ## world history

Which of the following is true of the Antarctic Treaty System? A. It bans commercial mining in Antarctica. B. It's actually the Society for the Geographic Exploration of Antarctica. C. It was established specifically to enforce ecological regulations. D.

125. ## Physics

A juggler tosses a 0.4kg ball straight up at 8m/s, and then catches it at the same height . a. determine the acceleration on the way up and down b. determine the total amount of time spent in the air by the ball. (hint: you know the displacement)

126. ## algebra 2

(This homework question was removed due to a copyright claim submitted by NNDS.) I messed this up when I asked earlier is the right answer 3/4 ..please let me know

127. ## Physics

A juggler tosses a 0.4kg ball straight up at 8m/s, and then catches it at the same height . a. determine the acceleration on the way up and down b. determine the total amount of time spent in the air by the ball. (hint: you know the displacement)

128. ## Social studies

(respost) I chose the Airplane and I know that it was invented by the Wright brothers etc. But what I don't know what to write a paragraph on is "Describe the social impact the invention had on society". Please help! I really stuck here :? yes, thank you

129. ## Biochemistry

A protein sample is diluted 5-fold before measuring the protein concentration in a protein assay. In the protein assay, the concentration of the diluted protein is determined to be 0.27 mg/mL. What is the concentration of the original protein sample?

130. ## chemistry

In the following reaction, how many liters of carbon dioxide, CO2, measured at STP, would be produced from the decomposition of 143 g of magnesium carbonate, MgCO3? MgCO3---MgO+CO2

131. ## English

Which word fits these sentences? A Persian rug with beautiful patterns lay/laid on the floor. I think lay for present tense? The temperature has raised/risen four degrees in the past hour. I think risen because there is no object?

132. ## Math

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

133. ## Social Studies (History)

Is this a good journal entry for an Italian immigrant who came to America to New York? My family is made up of italians, i wanted to migrate to the Americas because my mother and father have died from a sickness no one could cure. It was hard for my

134. ## Math Help

1.) You have \$22 in your bank account, and you deposit \$11.50 per week. Your cousin has \$218 in his bank account and is withdrawing \$13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have

135. ## Pre-Calculus

What is the equation of the line passing through (4, 2) and perpendicular to the line passing through the points (9,7) and (11,4)? Here's what I did: (7-4)/(9-11) = -3/2 y-2= (-2/3)(x-4) y-2=(-2x/3) + (8/3) y = (-2x/3) + 14/3 but the answer key says that

136. ## algebra

Determine whether the statement is true/ false 1. Traveling 10 miles in 2 hours is same as traveling 4 miles in one hour 2. If two triangles are similar, the length of their sides are the same 3. x/12 = 4/24. Then x=2 Multiple Choice. Choose the best

137. ## Math questions

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

138. ## physics

What are the decibels 917m away from a 35.5 W sound source?

139. ## Social Studies (History)

What does The New Colossus indicate about changes occurring in American culture? (consider the differences between Old and New Immigrants and/or roles of women)

140. ## math

A bag contains 11 red balls, 9 blue balls and x yellow balls. The probabilty of choosing a yellow ball at random is 1/6. What is the probability of not getting a blue ball.

141. ## electromagnets

1.A proton travels at 4 x 10^6 m/s in a direction that is at an angle of 60 degrees to a magnetic field of 0.5 T. What is the magnitude of the force on the proton in Newtons? 2.What is the acceleration of the proton?

142. ## Math

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). Whoever can help me, thanks so much! :)

143. ## Physics

A real spring does not oscillate forever. Instead, it eventually comes to a stop. Does this violate the Law of Conservation of Energy? Explain why or why not. I truly don't know what this means at all...can someone help me understand it?

144. ## Comm 215

Do these look correct? Part I: True or False 1. The following word group is a FRAGMENT: That movie, one of my favorites. _X_True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a good pitcher most of all. _X_True __False

145. ## english 10

I want to either study or to work abroad after I graduate.

146. ## Geometry (math)

Determine whether line QV and line RM are parallel,perpendicular or neither ?

147. ## literature (bejamin Franklin)

As a poor boy, Franklin realized that he could not buy many books, but he came up with an idea that could give people access to as many books as they wanted. This idea was essentially.. a) get a government grant b)get the government to buy the books c)have

148. ## Biology

The half-life of carbon-14 is 5,700 years. If a sample originally had 26 g of carbon-14, how much would it contain after 22,800 years?

149. ## Physics

A 0.60kg basketball is dunked vertically downward so that it leaves the [layer's hand at 8m/s. Assume it is released when the bottom of the ball is at the rim (3.05 meters off the ground). a). find acceleration of the ball once it leaves the player's hand

150. ## Science

The Milky Way has a radius of approximately 100,000 light years. How many miles is that? How long would it take you to travel across our galaxy if you were traveling at 50% the speed of light (show work)?

151. ## literature (bejamin Franklin)

I have one more confusing question regarding this. And Thank you Ms.Sue for answering the last question! Franklin's humor in Witch Trial at Mt. Holly depends upon the belief that... a)the belief that religion takes precedence over science b)the belief that

152. ## math

The Empire Carpet Company orders merchandise for \$17,700, including \$550 in shipping charges, From Mohawk Carpet Mills on May 4. Carpets valued at 1,390 will be returned because they are damaged. The terms of sale are 2/10, n30 ROG. The shipment arrives on

153. ## Physics

A 0.60kg basketball is dunked vertically downward so that it leaves the [layer's hand at 8m/s. Assume it is released when the bottom of the ball is at the rim (3.05 meters off the ground). a). find acceleration of the ball once it leaves the player's hand

154. ## math

Ned's Sheds purchases building materials from Timber town Lumber for \$3,700 with terms of 4/15, n/30. The invoice is dated October 17. Ned's decides to send in a \$2,000 partial payment. By what date must the partial payment be sent to take advantage of the

155. ## physics

What are the decibels 917m away from a 35.5 W sound source?

156. ## Pre algebra

Vernon drew an 8in. Wide by 5in.tall picture that will be turned into a 48 ft wide billboard.How tall will the actual billboard be?

157. ## Statistics

How could you reword these research hypotheses to null hypotheses? a. Smoking during pregnancy increase the risk of a child being born prematurely. b. Regular exercises in older adults decreases blood pressure levels.

158. ## Math

Alex has 7 dimes and e nickels. What fraction of the coins are dimes? my answer is 7/10 is this correct/

160. ## Statistics

given the following p values which would be considered more significant? a) p ≤ 0.3 b) p ≤ 0.02 c) p ≤ 0.25

161. ## algebra

A secretary at the police department makes \$8 less per hour than the dispatcher. The combined hourly wage of the secretary and the dispatcher is \$40. Which equation could be used to find the hourly wage of the dispatcher? A. 2x + 8 = 40 B. 2x − 8 = 40 C.

162. ## Math

What is 17/50 as a percent and what is 1 3/10 as a percent and what is 1 5/10 as a percent

163. ## statistics

A study of the time spent shopping in a supermarket for a market basket of 20 specific items showed an approximately uniform distribution between 20 minutes and 40 minutes. What is the probability that the shopping rime will be a. Between 25 and 30

164. ## math-line graph

x: 0, 1, 2, 3 y: 3, 2, 1, 0 I don't know what the pattern is in this x and y line graph. Please help me.

165. ## education

A Piagetian classroom emphasizes A. adult teaching of basic concepts with the use of repeated tests. B. directly rewarding children for the right answers. C. allowing children to independently work through difficult tasks. D. children’s discovery

166. ## Math

What is the smallest positive composite integer?

167. ## English

Which word fits these sentences? A Persian rug with beautiful patterns lay/laid on the floor. I think lay for present tense? The temperature has raised/risen four degrees in the past hour. I think risen because there is no object?

168. ## Math

Simplify or solve as appropriate. Enter ns if there's no solution or all if the solution is all real numbers. 2 - 3(x + 5)) = 10 X = -7.6 7z + 6 - 2(z + 3) 5 * z 1/2x - 5 = 3/4x + 7 X = -48

169. ## magentism

6.A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? b. What is the magnitude of the

170. ## English

Which word fits these sentences? A Persian rug with beautiful patterns lay/laid on the floor. I think lay for present tense? The temperature has raised/risen four degrees in the past hour. I think risen because there is no object?

171. ## Physics

3. A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a

172. ## math

use an equation to solve the problem. what is 57% of 11

173. ## us history

This radical abolitionist founded the American Anti-Slavery Society and owned the newspaper the “Liberator” which reflected extremist anti-slavery views.

174. ## U.S. History

why do you think there were so many immigrants from russia? during the early twentieth century

175. ## Algebra

How do you solve x/a - 1 = y/b for y? Algebra question I'm stuck on. Thanks!

176. ## Math

Evaluate when x = 2, y = -5, z = 3. x^2 - y = 3 3z - 4(y + 1) - y^2 = 0 x - yz = -13

177. ## Physics

A 1000 kg car is going 8.90 m/s has a minimum braking distance of 6.0 meters. Find the average braking force exerted on the car during the stopping process.

178. ## algebra

. There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? A. 3% B. 15% C. 20% D. 40% would the answer be c

179. ## Pre-Calc (Prove the identity)

Prove the identity. (show your work please) tan(x − π/4)= (tan x − 1)/(tan x + 1) Thank you!

180. ## Physics

A rifle shoots 50.0 gram bullet with a muzzle a velocity of 350 m/s. How fast would a 80.0 kg person have to run in order to have the same amount of kinetic energy as the bullet in flight? If the bullet is shot vertically, what is the the maximum height

181. ## science

a misconception of the sun is stronger at sunrise and weaker at sunset

182. ## algebra 2

A builder has 8 lots available for sale. · 3/4 Six lots are greater than one acre. · Two lots are less than one acre. answers I have to choose from 3/4 5/14 27/64 3/4 please help

183. ## Precalculus

Solve the equation in the indicated domain. 1. 2cos^2 x-5cos x +2=0 x E[0,360) 2. sin^2 x+5 sin x +6=0 x E[0,360) *assume x is theta

184. ## Calculus

Consider the function f(x) whose second derivative is f''(x)=5x+2sin(x). If f(0)=3 and f'(0)=3, what is f(3)?

185. ## Math

Solve the following. 2(x + 1) - 4

186. ## Chemistry

If 5.01 moles of an ideal gas has a pressure of 4.81 atm, and a volume of 86.95 L, what is the temperature of the sample in degrees Celsius?

187. ## Math

Solve the following: -6x + 3

188. ## Health (Ms. Sue)

Describe how hallucinogens affect the mind. A: Hallucinogens affect the mind immensely as these distort perception and cause the user to experience things that are not real?

189. ## chemistry

Acetic acid (CH3COOH) has a Ka of 1.8x10^-5. a buffer is to be prepared with a pH of 5.00 from solutions of CH3COOH and sodium acetate (NaCH3COO) of the same concentration. How many mLs of NaCH3COO would have been added to 100 mL of CH3COOH to make the

190. ## Physics - projectile

a ball is thrown straight up at 50 m/s. What speed will it be when it returns to the thrower's hand?

191. ## math

How many (distinct) numbers between 0 and 1 (inclusive) can be expressed as a fraction m/n , where m and n are integers such that m+n=200 ?

Write a sentence comparing one box of crayons has 16 and the other box of crayons has 24

193. ## math

application of Proportions-tic-tac-toe boards ?

194. ## Health (Ms. Sue)

Compare the effects of the following four commonly abused illegal drugs. a. marijuana b. inhalants c. club (designer) drugs d. anabolic steroids

195. ## Math

Contextualize this expression 4/5 divided by 3/6

196. ## Help:)

Can someone help me with this? Someone was helping, but I'm still confused! Amos gets in an elevator at the 30th floor and begins to move downward at a speed of 8 feet per second. After 12 seconds, the elevator is 240 feet above the ground. A.) Let y= the

Kinetic energy and Potential energy are often considered to be forms of mechanical energy. List three other forms of energy and state a source for each.

198. ## Physics

the higher the angle the longer an objecg will be in the air , but dose that mean it will go further ?

199. ## physics

Astronomers determine masses of distant objects by observing their smaller companions. For example, they can measure the period of a planet orbiting around a distant star, measure the radius of its circular orbit, and then employ Newtonian physics to

200. ## physics

Astronomers determine masses of distant objects by observing their smaller companions. For example, they can measure the period of a planet orbiting around a distant star, measure the radius of its circular orbit, and then employ Newtonian physics to

201. ## Stats

The random variable U has mean 10 and standard deviation 5.The random variable V is de ned by V =12(U + 5).Find the mean and standard deviation of V.