# Questions Asked onOctober 11, 2015

1. ## Math

School is 2 miles from home along a straight road. The table shows your distance from home as you walk home at a constant rate. Time(mins): 10-20-30 Distnce(mi)1.5-1-0.5 1)Is the relationship in the table proportional? 2)Find your distance from school fro

2. ## chem

what is the balanced equation for aqueous zinc chloride and aqueous sodium chromate? Is it, ZnCl2+NaCrO4-->ZnCrO4+NaCl2 and how do I know if it is reactive or not?

3. ## Stats

About 10% of the population of a large country is math phobic. If two people are randomly selected what is the probability both are math phobic? And hat is the probability that at least one is math phobic? Any way to do this on stat crunch?

4. ## Pre-calculus

Complete the table assuming continuously compounded interest. (Round your answers to two decimal places.) Initial Investment: Annual % Rate: Time to Double: 8 yr Amount After 10 Years: \$1700 I don't understand how to get in the initial investment of annual

5. ## Algebra 1

A drama club wants to raise at least \$500 in ticket sales for its annual show. The members of the club sold 50 tickets at a special rate of \$5. The usual ticket price the day of the show is \$7.50. At least how many tickets do they need to sell the day of

6. ## Physics

A 45 kg girl is sitting on one end of a see-saw, 0.6 m away from the the pivot pt. How far away form the pivot pt must a 60 kg boy sit on the other side in order for the see saw o be balanced?

7. ## Physics

A simple pendulum has a bob of mass M. The bob is on a light string of length l. The string is fixed at C. At position A, the string if horizontal and the bob is at rest. The bob is released from A and swings to B, where the string is vertical. The tension

8. ## Econ

Suppose that the U.S. government decides to charge wine consumers a tax. Before the tax, 10 billion bottles of wine were sold every year at a price of \$4 per bottle. After the tax, 4 billion bottles of wine are sold every year; consumers pay \$7 per bottle

9. ## Chemistry

Calculate Delta H for the reaction CH4(g)+NH3(g)-->HCN(g)+3H2(g) given, N2(g)+3H2(g)->2NH3(g) DeltaH=-91.8kj C(s)+2H2(g)->CH3(g) DeltaH=-74.9kj h2(g)+2C(s)+N2(g)->2HCN(g) DeltaH=270.3kj

10. ## algebra

A 10 ft. long stem of bamboo is broken in such a way that its tip touches the ground 3 ft. from the base of the stem, as shown in the figure. What is the height of the break? please show me how to do it I'm reviewing for our final exam... thanks in solving

11. ## ART

1. Color was used in this image to create all of the following except? (Image: Figures viewing lake by Pete Fabris and William Hamilton) A)Emphasis on the central figure B) Symmetrical balance C) unity D) Radial balance*** 2)What element of art does this

13. ## Did you read The Pig Man And Me

John Quinn does not explain the rule about the paddle to Paul, the narrator of “The Pigman & Me.” How does this one action affect the rest of the essay?

14. ## Chemistry

Reaction: C6H11OH(l) ==> C6H10(l) + H2O(l) Calculate the mass of cyclohexanol (C6H11OH) needed to produce 45.0g cyclohexene (C6H10) by reaction if the reaction has a 86.2% yield and the cyclohexanol is 92.3% pure. Usually this problem would be fairly easy,

15. ## physics

A ball is projected upward at time t = 0 s, from a point on a flat roof 10 m above the ground. The ball rises and then falls with insignificant air resistance, missing the roof, and strikes the ground. The initial velocity of the ball is Consider all

16. ## Physics

A factory worker pushes a 32.0 kg crate a distance of 4.9 m along a level floor at constant velocity by pushing downward at an angle of 32 ∘ below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. What magnitude of

17. ## Chemistry

The boiling point of pure water in Winter Park, CO ( elev. 9000 ft) is 94 oC. What is the boiling point of a solution containing 11.3 g of glucose (180 g/mol) in 55 mL of water in Winter Park? Kb for water = 0.512°C/m.

18. ## phyical science

Which of the following is NOT a pure substance? A. milk B. oxygen C. water D. carbon dioxide

19. ## Physics (Thin Film Interference)

A layer of transparent plastic (n=1.61) on glass (n=1.52) looks dark when viewed in reflected light whose wavelength is 589 nanometers in vacuum. Find the two smallest possible nonzero values for the thickness of the layer. Answers are 183 nm and 366 but I

20. ## Physics

a uniform meter stick is at rotational equilibrium when 220 g is suspended at 5 com, 120 g is suspended at 90, and the support stand is placed at the 40 cm mark what is the mass of the meter stick?

How many kilocalories are required to produce 1.027 mol of aluminum??

22. ## Math (pre Algebra)

The perimeter of a rectangle picture frame is 30 inches. The length of the frame is three less than twice the width. What are the dimensions of the frame? I know that the perimeter is 30 in., the length is 2w-3, and the width is w, but I don't know what to

23. ## physics

The driver of a car wishes to pass a truck that is traveling at a constant speed of 19.0 m/s . Initially, the car is also traveling at a speed 19.0 m/s and its front bumper is a distance 24.3 m behind the truck's rear bumper. The car begins accelerating at

24. ## Algebra 2

Solve each system 3x-9y=3 and 2x=16-y

25. ## Science

If the spring have a stiffness of 950N/m what workwill be done in exerding the spring be 60mm

26. ## phyical science

Boyle’s law states that the volume of a gas is inversely proportional to its pressure if the A. temperature and number of particles are constant. B. temperature reaches absolute zero. C. number of particles decreases. D. temperature and number of

27. ## ENGLISH GRAMMAR

FILL IN THE BLANKOF HOMOPHONE THE OF THAT SCHOOL IS VERY STRICT.

asked by FILL IN THE BLANKOF HOMOPHONE
28. ## Chemistry

Nitric acid, HNO3, is produced from ammonia and oxygen by the consecutive reactions: 4NH3 + 5O2 => 4NO3 + 6H2O 2NO + O2 => 2NO2 3NO2 + H2O => 2HNO3 + NO How many grams of nitric acid can be obtained from 1.00kg NH3 if NO in the third reaction is not

29. ## Physics

A knight sits on a castle wall during a siege. To while away the time, he notes that boul- ders catapulted from below land on the top of his wall with a vertical velocity of 8.3 m/s. If he is 41 m above the catapult, what is the initial velocity of the

30. ## Philosophy

f a manager describes a person using the stock phrase "unusually loyal", what does s/he probably mean?

31. ## physics

A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. If the darts exit speed is 17 m/s and the length of the blowgun is 1.10 m, find the time the dart

32. ## chemistry - HELP!

The equilibrium constant, Kc, for the reaction A(g) + B(g) AB(g) is 115 at 25 degrees C. If 1.580 x 10^(‐1) mol of A and 4.721 x 10^(‐5) mol of B are introduced into a 1.00 liter vessel at 25 degrees C, calculate the equilibrium concentration of all

33. ## Chemistry

An alpha particle, ^4 He^2+, has a mass of 4.00151 amu. Find the value of its charge-to-mass ratio in C/kg.

34. ## Social Studies

How was John Adams and Thomas Jefferson similar when it came to political ideas, political minds ,and visions for the new republic?

35. ## math

a diver jumps from a platform at time t=0 seconds. the distance of the diver above water level at time t is given by s(t)=-4.9t^2 +4.9t+10, where s is in meters c.) find when velocity equal zero. find the maximum height of the diver thank you

36. ## Physics

A box has a weight of 120 N and is being pulled across a horizontal floor by a force that has a magnitude of 100 N. The pulling force can point horizontally, or it can point above the horizontal at an angle θ. When the pulling force points horizontally,

37. ## physics

In the figure, a radar station detects an airplane approaching directly from the east. At first observation, the airplane is at distance d1 = 350 m from the station and at angle θ1 = 31° above the horizon. The airplane is tracked through an angular

38. ## phyical science

Which of the following phase changes is an endothermic change? A. condensation B. vaporization C. deposition D. freezing

39. ## Maths

A rectangular floor measures 10m by 6m. A piece of rectangular carpet measuring 6m by 4m is placed in the middle of it. Calculate the area of the UNCOVERED floor.

40. ## Multi Cultural Psychology

Joan put her hand out and in it was placed a pile of sand. Then tiny amounts of sand were added to her hand and when asked to tell when she noticed any change in the overall weight she demonstrated what as soon as she detected any change in the weight? A.

41. ## Chemistry

Suppose that atomic masses were based on the assignment of a mass of 12.000 g to 1 mol of carbon, rather than 1 mol of ^12C. What would the atomic mass of oxygen be? (The atomic masses of carbon and oxygen based on the assignment of 12.000 g to 1 mol of

42. ## physics

Identical +2.83 μC charges are fixed to adjacent corners of a square. What charge (magnitude and algebraic sign) should be fixed to one of the empty corners, so that the total potential at the remaining empty corner is 0 V? φ =k•q/r φ1+ φ2 + φ3 =0

43. ## algebra

file:///C:/Users/Pat/Downloads/IMG_0166.JPG Above is a graph of a polynomial function ƒ with real coefficients. Use graph to answer following questions about ƒ. All local extreme of ƒ are shown on graph. a. the function is decreasing over which

44. ## chemistry

A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.73 nm. It then gives off a photon having a wavelength of 1094 nm. What is the final state of the hydrogen atom?

45. ## Chemistry

Neutron stars are composed of solid nuclear matter, primarily neutrons. Assume the radius of a neutron is approx. 1.0 x 10^-13 cm. Calculate the density of a neutron. [Hint: For a sphere V=(4/3) pi r^3. Assuming that a neutron star has the same density as

46. ## Chemistry

determine the vapor pressure lowering at 27 C of a solution of 750g of sucrose, dissolved in 180g of water. The vapor pressure of pure water at 27 C is 26.7 torr. Assume the solution is ideal

47. ## math

A photograph has been enlarged to three times its previous size. By what percentage has the size of the photograph increased?

48. ## physics

A person takes a trip, driving with a constant speed of 93.5 km/h except for a 21.0 min rest stop. If the person's average speed is 69.8 km/h, how much time is spent on the trip and how far does the person travel?

49. ## Chemistry

A 2.00 g impure sample of MgO (molar mass 40.3 grams) was completely dissolved in 50.0 mL of 1.000 M H2SO4. The excess acid was back-titrated with 25.0 mL of 0.800 M NaOH. Calculate the percent purity of the MgO sample. [80.6 %] MgO(s) + H2SO4(aq)

50. ## math

I am between 20 and 30. When you put me into 5 equal groups, there is an odd number in each group and one is left over. what number am I?

51. ## International

Complete predicates ,Mr.sanders traveled to Sacramento for a business meeting

52. ## Chemsitry

A mixture of 10.00 mL of H2SO4 and 30.00 mL of HCl required 20.00 mL of 2.500 M NaOH for complete reaction. When 30.00 mL of H2SO4 and 10.00 mL of HCl were used, 28.00 mL of 2.500 M NaOH were required. What were the concentrations of the acids? [Both were

53. ## science

Calculate the work done by the brakes of a car of mass 1000kg when its speed is reduced from 20m/s and 10m/s

54. ## U.S. History (Ms. Sue)

1. How did the United States try to Americanize immigrants? A: The United States attempted to Americanize immigrants by assimilating them into American culture through public education. Schools taught immigrant children English, American history, and the

55. ## Social Study - Check

1.) In what year did the english establish Jamestown their first permanent settlement? 1607 *** 1630 1675 1718 2.) In 1619, the Virginia Company in London agreed to let the colonists have some say in their government. What was the name of the assembly that

56. ## Chemistry

Potassium permangenat reacts with sodium oxalate to form carbon dioxide and Mn2+.determine the consentration of a permangenate solution.since the reaction runs in acidic conditions, 25ml of 2 M sulfuric acid was added to 20.00ml of the unknown permangenate

57. ## Samuel

The 10th term of an A.P is -27 and the 5th term is -12.what is 18th term?also find sum of it's 25terms

58. ## natural science

Draw a series circuit that contains : 2 cells in series, volmeter over the battery, an ammeter, closed switch and 2 light bulbs. also show direction of current flow.

59. ## math

a flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 11 feet mre then the length of the shortest side. find the dimmenstions if the perimter is 163feet

60. ## HIS GRACE

FOUR CO-PLANERFORCES OF MAGNITUDE 10N ,17N,6N AND 20N ACT AT POINT O AS SHOWN IN D DIAGRAM ABOVE DETERMINE THE MAGNITUDE OF D RESULTANT FORCE

61. ## Science

a. A human cell is placed in a container of sugar water. Explain what would occur, if the cell membrane is impermeable to sugar. b. Another cell is placed into a container of sugar water. However, this cell has the capability to allow large molecules such

62. ## applications in algebra

a rectangular bedroom is 7 feet longer than its width. Its area is 228 feet^2. what is the width of the room?

63. ## physics help

A block of mass 5 kg is place on a table top.it is attached to a mass piece of 2kg by a light string that passes over a frictionless pulley.the table top exerts a frictional force of 7 N on the block. calculate the tension in the string.

64. ## Math

Find a polynomial p of degree 3 so that p(4) = 5, p(−1) = 5, p(−3) = −37, p(2) = −7, then use your polynomial to approximate p(1). p(x) = 0 p(1) = 0

65. ## Science

An object has a length of 5.2 cm a width of 3 cm and a height of 1.5 cm what's the volume

66. ## Chemistry

How many mL of 1.67M sulfuric acid would it take to neutralize 26.6mL of 3.12M sodium hydroxide?

67. ## Chemistry

Why does the height of the precipitate of strontium nitrate and sodium carbonate go up as the volume of strontium nitrate increase?

68. ## Physics

An explorer is stranded in the desert. A rescue service has located him using GPS, but can reach him only by plane. A supply package is kicked out the door of the plane while while it is flying at a speed of 61.7 m/s at an altitude of 35 m. Does the

69. ## science

The lift curve of the airfoil of an aircraft is as shown. The weight of the aircraft is 1500 kg. If the stall speed of the aircraft is 60 m/s, determine the wing area.

compare and contrast Rational (formal) model for strategy- emergent strategy

71. ## math

Could someone please check my math questions? any help will be greatly appreciated! 4. Solve: 5|2x + 1 | = 55 Divide both side by 5: |2x+1|=11 2x+1=11 and 2x+1= -1 +1 +1 +1 +1 2x = 12 2x = -10 X=5 x=-6 What my teacher said was wrong~~ 2x+1=11 and 2x+1= -11

72. ## Organic

In the peptide Ala-Try-Gly-Phe, the N-terminal amino acid is Answer is Alanine. Explanation please!

73. ## physics

"A 3.5 kg monket is suspended motionless 35 meter above the ground by holding two vines (a vertical vine and a diagonal vine)" We need to find the tension force in the diagonal vine as well as the angle of the diagonal vine with respect to the y axis. I'm

74. ## Science/math

Newtons second law of motion states that F =MA Force equals mass multiplied by acceleration. Mass is the constant. It does not change. What is the independent and dependent variable? I put force is independent and acceleration is dependent. Is that right?

75. ## english

You want to determine how many rainfall will fall in a certain time period. You collect rain as they fall from the sky onto a piece of bucket with an area of t square meters. If you want to determine the rainfall count as accurate as possible, you should

compare and contrast Rational (formal) model for strategy- emergent strategy

77. ## math

Could someone please check my History questions? Any help will be greatly appreciated! My answers are under the question... 3) Which of these would have been MOST likely to take the Oregon Trail? A) Native Americans migrating from the east B) Americans

compare and contrast Rational (formal) model for strategy- emergent strategy

79. ## algebra

A chemistry lab wants to prepare 300 liters of 25% acid solution. In stock he has 20% and 35% acid solutions. How many liters of each in stock mixture should he mix tp prepare a 300-liter mixture?

80. ## Chemistry

glycine + valine-->glycine - valine+H2O What happens with this reaction and where does water molecule come from

81. ## maths

if it takes 8 men 3 hours to clean a house, how many men would it take to get job done in 2.5 hours

82. ## isds

When specifying linear constraints, the modeler must take into account the unit specification of the decision variables so that the units represented by the left side of the constraints are consistent with the units represented by the right side of the

83. ## Physics

When the Sun is directly overhead, a hawk dives toward the ground at a speed of 2.18 m/s. If the direction of his motion is at an angle of 25.1◦below the horizontal, calculate the speed of his shadow along the ground. Answer in units of m/s

84. ## Physics

An Earth satellite moves in a circular orbit 765 km above the Earth's surface. The period of the motion is 99.9 min. (a) What is the speed of the satellite? ______ m/s (b) What is the magnitude of the centripetal acceleration of the satellite? ______m/s^2

85. ## physics help

The distance between the midponts of two metal balls.P and Q,respectively of masses 55 kg and 70 kg is 80 cm calculate the gravitational force that P exerts on Q answer F=Gm1m2/r^2 F=(6,67x10^-11)(55kg)(70kg)/(80cm) F=4.01x10^-11..... Is it correct is

86. ## Maths

A floor is measuring 8 metres by 6 metres is covered with carpet. If carpet costs \$25.00 per square metres, calculate the cost of the carpet for the floor.

87. ## Math probability

Lottery tickets are held by 56 men and 84 women. An equal percentage of men and women are older than 55. If there are 8 men over 55, what is the probability that the lottery winner will be either man of any age or a women over 55 years old.

88. ## Mathmatics

A sc tourists bureau survey showed that 75 % of those who seek information about the state actually come to visit . The office received 8 requests for information. What is the probability that probability that 4 to 6 inclusive of the people will visit sc?

89. ## Algebra 2

For the function f(x)=square root 3x-2 find the value of the expression below. What value of x makes f(x)=6

90. ## Physics

A child climbs up a set of stairs and reaches a height of 2.5m what is the child's gain I potential energy ?

91. ## Children Development

Describe three specific examples of changes in your child’s behavior at age 4 that seem to stem from growth in cognitive and language ability since the period of infancy Would it be something like this? The first example is Nettie behavior at public

92. ## math

if a 3 gram French fry accelerating at 5 meter's per second. what is he fries force?

93. ## PreCalc

Graph y=2csc(x-π) New period that I solve for 0

94. ## Math,english,agric,b/sci,PHE,computer,etc

The sum of two consecutive numbers 122.what is the number

95. ## FRENCH

INSTRUCTIONS:Au marché aux puces (At the flea market). Imaginez que vous vous promenez au marché aux puces à Paris et que vous entendez différentes conversations quand vous passez près d'autres personnes. Complétez les phrases suivantes avec les

96. ## Physics

A rocket has put your spacecraft in a circular orbit around Earth at an altitude of 350 km. Calculate the force due to gravitational between the Earth and the spacecraft in N if the mass of the spacecraft is 2450 kg.

97. ## Finance

Consider the following income statement and answer the questions that follow: Sales (100 units) \$200 Variable costs (\$.80 ea) 80 Fixed Costs 20 EBIT 100 Interest Expense 30 EBT 70 Income tax 24 Net Income 46 a. What is the firm’s Breakeven Point in

98. ## World History

Can someone please help me found out the answer to this question. Discuss the relationship between inequality and war from the time of the earliest cities (roughly 4000 BC) to the end of the Bronze Age (roughly 1200 BC). You may consider any form of

99. ## forensic science

if handwriting evidence was not yet considered to be considered to be scientific evidence at the time of united states v. starzecypzel,how was it admissible as reliable evidence

100. ## english

Change into passive voice? why did you tell a lie

101. ## math

i need help please...what is 5,602 minus 2,344 estimated

102. ## Algebra 2

Solve each system 6x-2y=10 and 3x-2=y

103. ## Finance/370

How do i deteremine the internal rate of return of a problem. Lets say a company is justt starting and they need an initial outlay of \$105,000 and will generate a net cash inflows of 19,000 per year for 9 years. A) If the discount rate is 8 % then what is

104. ## math

The ratio of the number of cats to the number of birds at the shp is 2 : 5. The ratio of the number of birds to the number of birds to the number of rabbits is 1:3. What is the ratio of the number of cats to the number of birds to the number of rabbits. If

105. ## HELP HELP AP BIOLOGY

A. Explain the term "concentration gradient". Make sure to discuss the difference between a solution's concentration and a concentration gradient. B. An artificial cell contains 0.2 M FRUCTOSE and 0.8 M glucose, AND 2M SUCROSE. It is placed into a solution

106. ## Math

Need help on writing a system of equations. I can figure it out without the systems but now sure how to write a systems of equations not knowing how many the box can hold. Dark chocolates cost \$0.25 each and milk chocolates cost \$0.15 each. Tom wants twice

5+5+10

108. ## Math

Are 5^2+10^2-2*5*10 cos50° and 5^2+10^2-2*5*10 cos130° equal to 7.8 and 13.7?

109. ## algrebra

in the early months of one year, one site opened 0.6 million new accounts. at this rate, how many days would it take to open 48 million new accounts. Thanks, Tina

110. ## science

am stuck on the titration on maleic acid. am kindly asking for analytical chemistry by skoog.pdf. this assighnment is killing me. thank you

111. ## math

If a door measures 78in tall by 35in wide will an entertainment center measuring 60in x 48in x 48in fit through it? Im not even sure where to start!

112. ## Math

There are 2015 people from universities across the country, all sitting around a massive table. Each person belongs to one of four groups: students, professors, deans and presidents. Students hate professors, and will never sit next to them. Likewise for

113. ## Ap physics

A ball rolls down an incline with an acceleration of 10 cm/s^2. If it starts with an initial velocity of 0 cm/s and has a velocy of 50 cm/s when it reaches the bottom of the ramp, how long is the ramp?

114. ## Rolya Grop Of School/English Language

Underline The Clause:i Belive That They Are Right

115. ## Algebra badly need help

If (x+1/x)^2=3 then x^72+x^66+x^54+x^36+x^6+1=?? Plz help so confuse

116. ## physics

The problem propmpts us with the info: "Two friends play with a card-board box on a grassy hill side. The boy in the box has a mass of 50.0 kg and the box has a mass of 5.00 kg. The incline of the hill is 44° and its height is 10 meter. Assume that

117. ## math

My 10 digit double the one digit I am less than 50 and greater than 40

118. ## Math (algebra)

how do u turn .235 into a fracton with a bar over the 35 ?

119. ## History

After 1815, the quest for natio al self-determination posed a grave threat to the____ empire with its many and potentially dissatisfied nationalities.

120. ## World History

Can someone please help me answer this question Historians traditionally date the end of the Roman Empire to 476 AD. Why is this? Is this a good date to use for the end of Rome? Why or why not? Does this date adequately capture the end of the so­called

121. ## human resources

prepare HR plan for the production and line department

122. ## RAYFIELD PRIVATE

IDENTIFY THE NOUN PHRASE IN THIS SENTENCE THE GUARD OUTSIDE THE HOUSE LOOK VERY FIERCE

123. ## General

I need subjet that will me 2 my career of acting plz

124. ## government

What does it mean to "get on the ballot" and how does one do so?

125. ## king

1:7=__:14=__:21=4:__=5:__=:42

126. ## English

Valmy is in bed, asleep. ================= Can you paraphrase the sentence? What is the function 'asleep' in the sentence?

127. ## Math

h(x)= 2x+5 and g(x)= 8-3x. What is the value of h(g(1.5))? I got the h(g)1.5))=7.5 I know its incorrect but need some help on it.

128. ## finance

initial deposit 4100 annual interest rate 8% inflation 3% 30 years