# Questions Asked onOctober 25, 2013

1. ## Alg 2

The value of y varies directly with x. If y = 64 when x is 16, what is x when y is 288?

Sam Long anticipates he will need approximately \$225,000 in 15 years to cover his 3-year-old daughter’s college bills for a 4-year degree.How much would he have to invest today at an interest rate of 8 percent compounded semiannually?

3. ## algebra with finance

A video game has been developed whereby the player must earn a certain number of experience points before progressing to the next level. On level 1, a player must earn 1 experience point. On level 2, a player must earn 4 experience points. On level 3, a

what assonance is in the poem daffodils by william-wordsworth?

5. ## English

Please help me. I only want to know if I've answered these correctly. Thank you. 1. After the rioters in "The Pardoner's Tale" abandon their search for Death, they murder one another. This is an example of: A. dramatic irony B. situational irony C. verbal

6. ## Ancient History

1)How did Sparta treat the Messenians? 2)What type of society did Sparta create in response to the revolt? 3)How did Athenian avoid major political Upheavels? 4)What economic and political reforms did Solon initiate? 5)What steps did Cleisthenes take to

7. ## Physics

A 0.490-kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 25.0N/m . The block rests on a frictionless surface. A 6.00×10−2-kg wad of putty is thrown horizontally at the block, hitting it with a

8. ## Physics

A railroad gun of mass M = 3.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 45.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle

9. ## science

On average, froghopper insects have a mass of 12.3 mg and jump to a height of 428 mm. The takeoff velocity is achieved as the little critter flexes its leg over a distance of approximately 2.0 mm. Assume a vertical jump with constant acceleration. How long

10. ## chemistry 1

How do you write balanced equations A. Neutron emission by 88Br B. Electron absorption by 116Sb C. Positron emission by 184Hg D. Alpha emission by 229Th E. Neutron capture by 200Hg

11. ## Science

What is a substance that cannot be separated into simpler substances by physical or mechanical methods such as filtering, boiling, or sifting?

12. ## Chemistry

Calculate the mass of AgCl that will dissolve in 100ml of 2 M NH3 ksp AgCl = 1.7x10^-10 and Kf of Ag(NH3)2 = 1.6x10^7

13. ## Chemistry (reposts#6)

!A 100.0 mL aliquot of 0.200 M aqueous calcium hydroxide is mixed with ! 100.0 mL of 0.200 M aqueous aluminum nitrate. a.)! Write a complete molecular equation for this reaction, including phases b.)! Write a net ionic equation for this reaction, including

14. ## Physics

A 700-kg car stopped at an intersection is rear-ended by a 1710-kg truck moving with a speed of 16.0m/s . 1) If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of the truck. 2)Find the

15. ## Physics

Student observed ten antinodes on a string of length 1.70 m under tension produced by a mass of 0.22 kg. The string linear density is 1.3 gram/meter. What is the difference between the transverse wave velocity calculated from the string material properties

16. ## Physics

A railroad gun of mass M = 3.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 45.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle

17. ## science linear equation

A theater is presenting a program on drinking and driving for students and their parents. The proceeds will be donated to a local alcohol information center. Admission is \$18 for parents and \$9 for students. However, this situation has two constraints: The

18. ## science

On average, froghopper insects have a mass of 12.3 mg and jump to a height of 428 mm. The takeoff velocity is achieved as the little critter flexes its leg over a distance of approximately 2.0 mm. Assume a vertical jump with constant acceleration. How long

19. ## English

1. Congratulations you on winning first prize in the spelling contest. 2. Congratulations you on your winning first prize in the spelling contest. 3. Congratulations on winning first prize in the spelling contest. 4. Congratulations on your winning first

20. ## physics

a large nuclear power plant generates electric energy at the rate of 1000 MW. how many joules of electricity does the plant generate in one day? what is the mass of this much energy?

21. ## Physics

The experimental strings are not ideally rigid, and have some elasticity: the stronger the pull, the bigger the elongation. What is the effect on the transverse wave velocity as compared to the transverse wave velocity in an ideal string?

22. ## physics (science)

John walks 1.0 km north, turns and walks 1.2 km at 50 degrees north of due east, and then turns and walks .8 km at 25 degrees north of east. what is the resultant distance and direction he has flown

23. ## accounting

using the break-even equations to solve for price and variable cost per unit andromeda company's break-even point is 2,400 units. variable cost per unit is \$42; total costs are 67,200 per year. what price does andromeda charge?

24. ## math

The bacteria in a certain culture double every 7.5 hours. The culture has 6,500 bacteria at the start. How many bacteria will the culture contain after 3 hours? Select one:

25. ## math

Ali runs 6 miles in 55 minutes. At the same rate, how many miles would he run in 44 minutes?

26. ## math

You think that in 15 years it will cost \$212,000 to provide your child with a 4 year college education. Will you have enough if you take \$70,000 today and invest it for the next 15 years at 5%?

27. ## science linear prog

A small farm in Illinois has 110 acres of land available on which to grow corn and soybeans. The following table shows the cultivation cost per acre, the labor cost per acre, and the expected profit per acre. The column on the right shows the amount of

28. ## chemistry

a 100 W electric heater operates for 10 minutes to hear the gas in a cylinder. At the same time, the gas expands from 1 L to 14 L against a constant atmospheric pressure of 4.246 atm. What is the change in internal energy in Joules of the gas?

29. ## Personal Finance

Aaron wants to put \$200.00 per month into an IRA account at 15% for four years. What is he solving for using his financial calculator? A. Present Value B. Future Value C. Interest Rate D. Payment

30. ## Chemistry....

Wouldn't it be 3*0.234 instead of 2* 0.234? since....2Al3+ +3SO4 2- ----> Al2(SO4)3 4.) A solution is prepared by dissolving 25.0 g of aluminum sulfate in enough water to make 125.0 mL of stock solution. A 10.0 mL aliquot (portion) of this stock solution

31. ## physics

The coefficient of restitution for a particular ball is 0.45. If he ball hits a surface traveling at 100 m/s its rebound speed will be

32. ## arithmetic

round .44857 to the nearest hundreths?

33. ## language

Identify the italicized word or words in each sentence Simon preferred LISTENING TO MUSIC as he did his homework a) infinitive phrase b) gerund phrase c) infinitive phrase d) prepositional phrase

34. ## college

A gas containing both hydrogen molecules (each molecule contains two hydrogen atoms) and helium atoms has a temperature of 300 K. How does the average speed of the hydrogen molecules compare to the helium atoms?

35. ## College Physics

A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field.

36. ## chemistry

Balance the following oxidation-reduction reactions, which occur in acidic solution, using the half-reaction method. (Use the lowest possible coefficients. (a) H2O2(l) + Pb(s) → H2O(l) + Pb2+(aq) (b) O2(g) + Mn(s) → H2O(l) + Mn2+(aq)

37. ## Math

A study found that 27% of the fish in a river are trout, 36% are salmon, and 18% are sturgeon. If a large fish trap is set and it captures 216 fish, how many of those fish are likely to be fish types other than the ones mentioned?

38. ## Chemistry(reposts #1)

A solution is prepared by dissolving 5.00 g of stannic nitrate in enough water to make 250.0 mL of stock solution. A 15.0 mL aliquot (portion) of this stock solution is then removed and added to 75.0 mL of water. Calculate the concentrations of all ions in

39. ## science

30 ml KMnO4 solution is required to titrate 25 ml M/50 oxalic acid solution.find the molarity of KMnO4 solution and g/L also.

40. ## math problem

In her first litter, a young cat gave birth to two kittens. Her second litter included six kittens. What percent is the second litter of the first litter? PLZ EXPLAIN!!!

41. ## GED

Is the English Writing test the most difficult GED test? I find Math easy. Am I required to memorize the Science and Social Studies? or will I be provided information and is the Science and Social Studies actually a reading test? Thank You in Advance.

42. ## English

( IS MY ANSWER CORRECT ? ) Read the following Papago song. Identify it's purpose. No talking, no talking. The snow is falling. And the wind seems to be blowing backward. ( 1 point ) A.) to inform B.) to persuade * C.) to analyze D.) to express

43. ## Algebra Help

A motorist was to travel from town A to town B, a distance of 80 miles. He traveled the first 24 miles at a certain rate; traffic then increased and for the next 6 miles he averaged 10 miles per hour less than his original speed; then traffic eased up and

44. ## Chemistry

Okay, I have some confusion on a lab question for chemistry. The question was if you were preforming a microscale extraction of a 0.2 g of benzoic acid/fluorenone mixture (About 6 mL of dichloromethane and 2 mL of NaOH were added through out this

45. ## Math

I a am kinda stuck. The question is the scale of a map is 1:600000. a)the distance between 2 towns on the map is 8.7cm. What is the actual distance

46. ## Health

Compare the stages of Maslow's hierarchy of needs. I know you told me that I must be more specific but I am struggling to answer this.

47. ## calculus

if a snowball melts so that its surface area decreases at a rate f 1cm^2/min, find the rate at which the diameter decrease when the diameter is 10cm?

48. ## science

I am still new to physics, so I'm having a rough time. When a 1kg metal pan containing 1kg of cold water is removed from a refrigerator onto a table which absorbs more heat from the room, the pan or the water? I thought it was the water, because I thought

49. ## DISCRETE MATHS

Prove that if n is an odd positive integer, then 1 ≡ n2 (mod 4).

50. ## math plzz help!!!

is it possible to have two fractions with different denominators and numerators representing the same decimal?

51. ## College Physics

A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 -eV electron moving along the negative x axis is

what metaphor is in the poem dafffodils by william wordsworth ?

53. ## math

The terms 4x + 36, 2x - 6, and 3x - 27 are consecutive terms in an arithmetic sequence. What is the value of x ?

54. ## English

In which sentence is the word but used as a preposition? A. Children should be seen but not heard. B. John liked baseball but not football. C. We would like to visit the Grand Canyon, but our vacation time is up. D. None but the brave shall enter in. I

55. ## CHEMISTRY

******* Please check. Also check sig figs. Ion Concentrations 1.) A solution is prepared by dissolving 5.00 g of stannic nitrate in enough water to make 250.0 mL of stock solution. A 15.0 mL aliquot (portion) of this stock solution is then removed and

56. ## physics

An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,

57. ## Math

Brandon was paid \$132.50 commission for his work selling \$2650 of farm equipment. What was his commission rate? please explain clearly!!

58. ## PHYSICS

A superball of mass m, starting at rest, is dropped from a height hi above the ground and bounces back up to a height of hf. The collision with the ground occurs over a total time tc. You may ignore air resistance. (a) What is the magnitude of the momentum

59. ## Math

Solve the system of equations. 2x - 4y = 3 -3x + 5y = 1

Plato, a Greek philosopher who lived from 427BC to 347BC, famously wrote that, "Necessity is the mother of inventions." Do you agree with this statement? Why or why not? My response was, " I agree with this statement because most of the inventions from the

61. ## Biology

I do not understand what visible and sharp focus mean. The instruction says.... When viewing the crossed hairs and the top hair is in sharp focus, is the other hair visible or in sharp focus at the following total magnification...?

62. ## physics

An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,

63. ## English

A: I bought a new car. B1: Congratulations on buying a new car. B2:Congratulations on having bought a new car. (Which response is correct, B1 or B2? What is the difference between them?)

64. ## chemistry

Balance these nuclear equations. Can some please help I don't understand these at all 1. 35/17 Cl + 1n -> 35/16S + _____ 2. 229/90 Th -> 4/2 He + ______ 3. 20/8 O -> 20/9F + ________ 4. 54/26Fe + 1n -> 1H + _______ 5. 104/47Ag -> 0/-1e + ______ 6. ________

65. ## word problem

A change purse contains two loonies, six quarters, seven dimes, four nickels, and five pennies. Compare the loonies, quarters, and nickels by means of a ratio that is expressed in lowest terms.

Ryan Miller wanted to make some money at a flea market. He purchased 55 small orchids from a nursery for a total of \$233.75, three bags of potting soil for \$2.75 each, and 55 ceramic pots at \$4.60 each. After planting the orchids in the pots, Ryan sold

67. ## CHEMISTRY

This is regarding to the super long post. Dr.Bob, did you actually check all of my answers? Do you want me to make several small posts now? By the way I don't understand how #1 is wrong!!!!!

68. ## CHEMISTRY

Ion Concentrations 1.) A solution is prepared by dissolving 5.00 g of stannic nitrate in enough water to make 250.0 mL of stock solution. A 15.0 mL aliquot (portion) of this stock solution is then removed and added to 75.0 mL of water. Calculate the

69. ## Chemistry (reposts#2)

A solution is prepared by dissolving 5.00 g of ferric chloride in enough water to make 500.0 mL of stock solution. A 50.0 mL aliquot (portion) of this stock solution is then removed and added to 75.0 mL of water. Calculate the concentrations of all ions in

70. ## Geography and English

What are the key physical features of the Californian Coast

71. ## Chemistry (URGENT)

Hello! Does anyone know where to find the solubility of Ca(OH)2 in water as temperature changes? I need this information to answer the discussion in a lab report.

72. ## CHEMISTRY URGENT

Does anyone have a "Chemistry in Context 6th edition" by mcgraw and hill book? I don't have one and my homework is in there. Page 30, questions 5,6 & 7. If you could, type out the questions for me that would be a HUGE help.

73. ## physics

JUMPING OFF THE GROUND (10 points possible) A person of mass m jumps off the ground. Suppose the person pushes off the ground with a constant force of magnitude F for T seconds. What was the magnitude of the displacement of the center of mass of the person

74. ## math

The total amount of interest on a loan of \$6,000 for 150 days is \$210.50. Using the ordinary interest method, what is the rate of interest on this loan? Round to the nearest hundredth

75. ## Math

A weight lifter is raising a barbell of mass 120kg. He does this in two stages. At the end of the first stage he holds the barbell steady at shoulder height. What upward force is each arm exerting?

76. ## Math

Round 265 nearest ten

77. ## English

Everyone rushed to get on the elevator. (Is 'to get-' the object of the verb 'rush'? Is 'rushed' a transitive verb taking an object here? Or Is 'to get...' an adverbial phrase modifying 'rushed'?))

78. ## Biology

I do not understand what visible and sharp focus mean. The instruction says.... When viewing the crossed hairs and the top hair is in sharp focus, is the other hair visible or in sharp focus at the following total magnification...?

80. ## Physics 101

What is the angular momentum of a 0.705kg ball rotating on the end of a thin string in a circle of radius 0.800m at an angular speed of 12.8rad/s ?

81. ## physics

A plane flies at 350 km at 28 degrees south of east. How far has the plane flown east and how far south ?

82. ## English

According to Brooks, for many Roma the Holocaust - in which hundreds of thousands of Roma were exterminated - is a living memory, even if there are few survivors left. And recent events such as France's expulsion of a Roma schoolgirl and her family earlier

83. ## physics

An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,

84. ## cal

Determine all values of x, (if any), at which the graph of the function has a horizontal tangent. y(x) = 6x/(x-9)^2 when i workout this problem I get this: by quotient rule: dy/dx = ( (x-9)^2 (6) - 6x(2)(x-9))/(x-9)^4 = 0 at a horizontal tangent 6(x-9)^2 -

85. ## Algebra II

What is an equation for a direct variation whose graph passes through the point (–5, 3)?

86. ## english

“Swimming at the lake, a rock cut Sue’s foot.”

87. ## math

r^3r^-4/4^-2r^-5 i tried doing r^3/r^-2 x r-4/r-5 & got r^5,r^1 but the answer is r6, what am i doing wrong?

88. ## math

A bag contains x marbles. Half of the marbles are blue. Four less than the number of blue marbles are red. The remaining marbles are purple. What is the probability of choosing a purple marble at random? a. 2 b. 4 c. 1/2-(x/2-4)/x d. x/2-4 e. x/2 please

89. ## Word Problem

Fifteen percent of a number is 10.5. What is the number?

90. ## Biology

organelles with an abundance of carotenoids but no chlorophyll

91. ## English

1. The Glass Menagerie once again taps into the audience's emotions, as it has for 70 years. 2. "Her son is about to fly away, never to seen or heard from again and she knows it," Jones said. (Are they all grammatical? Would you check the errors in them?)

92. ## college physics

My previous question was marked science, but it's specifically a college physics question. Thanks.

93. ## Physics

Problem 2- A boat has a velocity of 0.54 m/s southeast relative to the earth. The boat is on a river that is flowing 0.60 m/s east relative to the earth

94. ## HSM/220

How do I increase a fixed sum by 50% properly?

95. ## British literature

How do Falstaff's adventures mirror the main plot in Shakespeare's Henery the 4th

96. ## Marketing

I need help filling in the blanks for this price chain in marketing: Manufacturer's Price.............\$15.55 Manufacturer's Variable Costs....\$6.35 Manufacturer's \$ Margin..........\$9.20 Manufacturer's % Margin..........59.2% Wholesaler's

97. ## Finance

If upon retirement in 20 years Simon plans to invest \$400,000 in a fund that earns 5%, what is the maximum annual withdrawal he can make over the following 15 years

98. ## math modeling

A spherical balloon has a radius of 11 centimeters. If we increase the radius by 2 centimeters, how much did the volume increase?

99. ## Spanish

Piensa en algunos ejemplos de como cambiarías los siguientes elementos de una conversación en una situación formal. Vocabulario Pronunciación Palabras abreviadas Modismos También da dos ejemplos de situaciones distintos que requieren que uses el

100. ## heiarchy chart needed out of this information pls

VELMA'S VET Velma and her husband Victor run a full service veterinary clinic. They would like a program to help them calculate costs for their clients. Victor, who is the vet, charges a flat fee of \$100 for medical services and a flat fee of \$50 for

101. ## criminal justice

where can I find information on the benefits of voluntary support and how it is linked to police legitimacy

102. ## math

Use the data in the table below to determine which sports teams have equivalent scored by two scored against ratios. Team Scored by Scored Against Baseball Team A 10 8 Basketball Team A 115 92 Hockey Team A 6 4

103. ## physics (help)

An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,

104. ## English

Identify the simple predicate in the sentence below. The best selling novel is unavailable for the next three weeks. a) is b) unavailable for the next three weeks c) novel

105. ## Math

Use substitution to solve the system of equations given below. 8x - 4y = 16 2x - y = 4

106. ## Math

Use elimination to solve the system of equations. -x + 2y = 18 x + 8y = -38

107. ## Grammar

Is this correct? I do not understand what do these words mean. Is the word "do" necessary...? Or I do not understand what these words mean? Are both correct??

109. ## environmental science

How to do panoramas to do natural disaster

110. ## english

Select the sentence that is punctuated correctly. (Points : 1) Sitting in the medical office waiting room, Veronica smiled nervously at the woman sitting next to her, but then she had to get up suddenly because the receptionist summoned her to the window.

111. ## Microeconomics

Why do "price-maker" firms never want to produce in the inelastic part of the demand curve??

112. ## law

What are the benefits of voluntary support and how is it linked to police legitimacy?

113. ## math

if a 50ft flag pole cast a 10ft shadow how far is it from the end of the shadow to the top of the pole

114. ## Science

How is Earth like a system?

115. ## Physical Science

20. Why is ethanol added to gasoline? Can't find this answer in my book, and I've gone back and checked for it like three times. Please and thank you!

116. ## PHYSICS

An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,

117. ## Computer Science

Suppose X is a random variable and Y = aX + b is a linear function of X. Show that the correlation of X and Y is 1 if a < 0.

118. ## English

1. Paper can be made from elephants' droppings. 2. Papers can be made from elephants' droppings. (Which one is grammatical?)

119. ## Math percents

a) 2/5 of 80% of 3000 cm b) 3/5 of 150% of 50 mL c) 4/5 of 12.5 % of 10 cm2 please explain how u got the answer thank u!!!!

120. ## English

I have the sentence: Kyle seems calm despite his situation. Kyle is the subject, seems is the being verb, calm is a subject complement adjective that describes Kyle. My question is, is "...despite his situation" an adverb phrase? Is it describing calm or

121. ## Math - Limits

N(t) = 100t / (t + 9) where t >=0 Find lim x approaching to infinity N(t)

122. ## English

5. Complete the following sentence with a word or words that show a logical relationship. Joshua took a nap _______ sorting the mail. A. instead of B. after C. while D. before I picked D, because we cannot use while, since a person cannot sort mail while

123. ## math

what is the unit rate for each lesson? tuesdays 5:00-6:00pm and saturdays 10:00-11:00am number of lessons 20 cost \$200 for 20 lessons

124. ## chemistry

Consider the HF solution with the concentration of 5% (w/v). Calculate its concentration in the molarity. Use four significant figures in your answer

125. ## math

x^7/x^-4 my book says the answer is x11, but how? aren't you supposed to subtract the exponents when dividing?

126. ## Math (equivalent ratios)

which number are equivalent by two scored against ratios? Explain how u know Scored by Scored Against 10 8 115 92 6 4

127. ## Biology

organelles with an abundance of carotenoids but no chlorophyll

128. ## english

I am a bit confused about what type of sentence this would be.... Hurricane Katrina destroyed many homes in New Orleans it destroyed many business, too. Chose from: correct, fused, comma splices and fragment

129. ## math

3^-5/3^-2 becomes 1/3^5/1/3^2 the answer is 1/27, how did they get that? i need step by step to understand

130. ## Science

A 400 kg. wooden log is floating with 0.2 of its volume above water level. Given that the density of iron is 7.8 gram per centimeter cubic, calculate the least mass of iron object attached to the underside of log that will sink it.

131. ## math

9^-1/9 the formula for this is b^m/a^n but when you do it it doesn't equal 1/81?

132. ## english comp

After watching Roy Hargrove play the trumpet, Marcia decided that she wanted to be one.

133. ## arithmetic

If 48 marbles are to be divided between Bill and Carl in the ration 3:5, how many marbles will Bill get?

134. ## math

please help me how to solve cubic equation : h^3 - 36h^2 + 2356.6 = 0 thanks..