# Questions Asked onApril 2, 2015

1. ## Math

You work 40 hours/week for 52 weeks and are given the option to be paid hourly or to go on salary. In which situation will you earn the most? • \$30,000/year • \$15.00/hour • \$30,000/year with a 10% bonus • \$15.00/hour and a \$2,000 bonus at the end

2. ## Precalc

Water is flowing from a major broken water main at the intersection of two streets. The resulting puddle of water is circular and the radius r of the puddle is given by the equation r = 5t feet, where t represents time in seconds elapsed since the the main

3. ## Math

Help, Divide 50 by half, and add 20. I do not understand.

4. ## Chemistry

Calculate the value of ΔS when 1.10mol of Br2(l) is vaporized at 58.8 ∘C

5. ## Civics

3. The _______ form of city government merges executive and legislative functions in a single group of officials. A. township B. commission C. mayor-council D. city manager Not sure?

6. ## Chemistry

The ph of a solution is 9.55 at 25degree celcius. What is the hydroxide-ion in the solution?

In the diagram below, we have DE = 2EC and AB = DC = 20. Find the length of FG. I have no idea how to do this. I did a problem almost exactly the same and approached it the same way, it did not work.

8. ## math

Beth & J had \$2880. Beth gave 1/4 of her money to J. Then J gave 1/3 of the total amount she had to Beth. In the end, both girls had same amount of money. 1 - how much money did beth have at first? 2- how much money did J had at first?

9. ## Chemistry

I am trying to solve a buffer problem. I know I need to use the Henderson-Hasselblach equation but I am not getting the correct answer. The problem is: Propionic acid is a weak monoprotic acid with Ka = 1.3×10-5 M. NaOH(s) was gradually added to 1.00 L of

10. ## Physics. URGENT Help Please

What is the separation of colors in a rainbow produced by? (Points : 1) different diffraction for different wavelengths different interference for different wavelengths

11. ## Econ 220

Suppose we have the following market supply and demand schedules for bicycles: Price Quantity Demanded Quantity Supplied \$100 70 30 \$200 60 40 \$300 50 50 \$400 40 60 \$500 30 70 \$600 20 80 a. Plot the supply curve and the demand curve for bicycles. (Note

12. ## Ms.Sue

I have a question about Thomas Hardy's "The Darkling Thrush" does the speaker most directly acknowledge the forces of nature? A. "Some blessed Hope, where of he knew/And I was unaware."********* B. "So little cause for carolings/Of such ecstatic sound." C.

13. ## chemistry

17. Calculate H for the following reaction using Hess law H2 (g) + Br2 (g) → 2 HBr (g) Experimental information 2 H+ → H2 H -436.4 kJ 2 Br- → Br2 H -192.5 kJ 2 H+ + 2 Br- →2 HBr H -144.8 kJ

14. ## Steve/Ms.Sue

Steve can you please show me how to do this problem? What is the area of the shaded region in the given circle in terms of pi and in the simplest form? the picture shown is of a circle with a triangle from 1 oclock to 3 oclock with a 60 deg opening. the

15. ## Chemistry

For the reaction 4FeCl2(aq) + 3O2(g) - 2Fe2O3(s) + 4Cl2(g); how many grams of FeO3 are produced from 8.71 x 10 to the 21st power molecules of O2?? Help Please!

16. ## math

The sum of two numbers is 33. The sum of the smaller and 3 times the larger is 81. Find the numbers.

17. ## math

1/4 of henry sticker is equal to 2/3 of daisy. difference in number of sticker each of them has is 135. how many stickers do they have in all?

18. ## physics

Boxes are moved on a conveyor belt from where they are filled to the packing station 12.0 m away. The belt is initially stationary and must finish with zero speed. The most rapid transit is accomplished if the belt accelerates for half the distance, then

19. ## Chem pls!!!!!

1) name one specific instance in which single displacement reactions can be useful. 2) zn + cucl --> cu + zncl2 in this reaction, a solid would be formed from the copper. what is the solid known as a ___________ please help me

20. ## Chemistry

the rate of diffusion of a gas having molecular weight just double of hydrogen gas is 30 ml/s.the rate of diffusion of hydrogen gas will be

21. ## Physics

The position of a body moving along x-axis at Time t is given by x=(t^2-4t+6)m. The distance travelled by body in time interval t=0 to t=3s.

22. ## English

1. In formal writing, abbreviations ________. A. can be used sparingly B. should never be used C. can be used depending on the instructor's preference D. can be used depending on the discipline 2. A paragraph contrasting two teachers in which the first

23. ## Math/Calculus

Solve the differential equation y'=3t^2+4. Solve the initial value problem y(0)=3. Separation of variables! My work: dy/dt= 3t^2+4 dy= 3t^2+4 dt Then you integrate both sides. ∫ dy= ∫ 3t^2+4dt Question: is there a 1 in dy? ( ∫ 1dy)? If so:

24. ## Science

State how matter moves through the biosphere. State how energy moves through the biosphere. Explain each statement using examples to illustrate your explanation.

25. ## Chemistry

Why can't milk of magnesia (Mg(OH)2), act as a buffer?

26. ## math

Tall versus Short All tall 787 tall 277 short Smooth versus Wrinkled Seeds All smooth seeds 5,474 smooth 1,850 wrinkled Yellow versus Green Seeds All yellow seeds 6,022 yellow 2,001 green From the table and the theoretical results answer questions 1 and 2.

27. ## chemistry

You weigh out an antacid tablet and determine the mass to be 1.1990 g. After taking a 0.2455 g sample of the antacid tablet, you dissolve it in 25.00 mL of a 0.1006 M solution of hydrochloric acid in a 250.0 mL Erlenmeyer flask. After heating the solution

28. ## Physics

In a straight line motion the distance travelled is proportional to the square root of Time taken. The acceleration of a particle is proportional to:-(i)√v(ii) v^2(iii)velocity (iv)v^3.Why?

29. ## Math

Sarita used 54 ounces of apples to make an apple pie. How many pounds and ounces of apples did Sarita use?

30. ## Math

84 is no less than 7 times than a number k

Jason and Doug competed in the long jump at a track meet. Jason long jump was 98 inches. Doug long jump was 3 yards. How much longer was Doug jump than Jason Jump? would this answer = to 10 if not please can you show me the steps so I can understand,

32. ## physics

Rachel's crew is finally successful in shooting the firework. They shoot it to its maximum height in 7 seconds and it explodes sending fragments scattering in horizontal directions all around at a speed of 20 meters per second. In answering the questions

33. ## calculus

A closed cylindrical can is to hold 2 litter (200 cm³) of liquid. How should we choose the height and radius to minimize the amount of material needed to manufacture the can?

34. ## math

Which of the following fraction is smallest? 3 2 1 4 __ __ __ __ 7 3 9 11 show your work

35. ## physics

A car traveling 30 k/h suddenly speeds up to 60k/h.What can you conclude from this information? (A) There was a change in the potential energy of the car. (B) No work ( in its scientific meaning) was done on the car. (C)The car will take four times longer

36. ## physics

Taylor is interested in archery. She draws her bow and shoots an arrow at angle of 50°. It goes a distance of 100 meters. At what other angle could Taylor shoot an arrow with the same amount of force and have it go the same distance?

37. ## Algebra 1

A right triangle's legs are 7 inches and 24 inches. What is the measure of the angle opposite the 24 in leg?

38. ## Math, Science

A woman throws a 0.25 kg ball straight up in the air with a initial speed of 15 meters per second. how far above the woman will the ball go before it starts coming back down?

39. ## math

Esth had five times as many cards as Rich. Esth gave 1/4 of her cards to Rich. Rich. gave 1/6 of his cards to Esth in return. In the end, Esth had 90 cards more than Rich. How many cards did Esth have at first?

In a triangle, we have

41. ## math

Sam and Jill had 576 stamps in all. Sam gave 1/7 of his stamps to Jill. Then Jill gave 1/4 of the total number of stamps she now had to Sam. In the end, both of them had the same number of stamps. What was the difference in the number of stamps they each

42. ## Math

The price of a movie ticket is half the normal price on Tuesday. If the normal price is \$8.50, how much would 4 tickets cost on Tuesday? We have to make it so you're multiplying fractions, not some other way. I really don't get it.!

43. ## cda

An important aspect of childhood that has been decreasing since the 1950s is A. creative play. B. structured sports. C. usage of electronic devices. D. television viewing. I choose B

In triangle ABC, we have

45. ## algebra

7/20x^3y^5,1/30 x^6y^4 find lcd do not combine fractions

46. ## IT

Do the planning and write an algorithm for the following questions. Each problem contain a do loop. When planning your algorithm, decide which type of loop will be best suited to solving the particular problem (pre-test or post-test). If the problem

47. ## Math

Sally had ten \$10 bills. She saved 3/5 and spent 2/5. how much did she save?__ How much did she spend?__ I'm very confused on this one two.

48. ## math

ball a weighs 1 1/2 times as much as ball b. find all combinations of ball a and ball b that will be needed to balance 10 ball b?

49. ## variation

T varies inversely as R and T =3.5 when R =10

50. ## math

Rick spent \$3000 of his salary on furniture and 1/5 of his remaining salary on shoes. If he had 2/5 of his salary left in the end, how much was his salary?

51. ## Math

The volume of a rectangle prism with a square bases is 5880 cubic inches and it's height is 30 inches. Find the side length of the square base? 5880\30 = 196 square = side length of 14

52. ## Math

Given the two-way relative frequency table below, which of the following statements is correct? Autumn Winter Spring Summer Total Male 0.10 0.08 0.11 0.16 0.45 Female 0.14 0.12 0.05 0.24 0.55 Total 0.24 0.20 0.16 0.40 1 A. The largest percentage of people

53. ## chemistry

How many grams of H2 are needed to produce 12.22g of NH3?

54. ## chemistry

How many molecules (not moles) of NH3 are produced from 3.55×10−4g of H2?

55. ## Algebra help Will only take a minute

5 • 3ⁿ a.15,30,45,60 b.5,15,45,135 c.0,15,45,135 d.15,45,135,405 Thanks!

56. ## algebra

Sales of frozen pizza for a club fund-raiser increased from 500 one year to 730 the next year. What was the percent of increase?

57. ## Science

What is the effect of the slope of an incline of a surface on an object’s speed?” PLEASE do not answer...I just need help understanding it. Thank You

Sheds R Us sells \$600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer = \$ b) If instead the interest rate is 1.75% per month, find the monthly payment Answer = \$ can anyone help me

59. ## algebra

A train leaves Buffalo traveling west at 60 miles per hour. An hour later, another train leaves Buffalo traveling east at 80 miles per hour. When are the two trains the same distance from Buffalo? Show the equation you use.

60. ## science

how is a parameter related to designing an experiment?

61. ## Pre Calc

Juliet and Mercutio are mov- ing at constant speeds in the xy-plane. They start moving at the same time. Juliet starts at the point (0, − 6) and heads in a straight line toward the point (10,5), reaching it in 10 sec- onds. Mercutio starts at (9, − 14)

62. ## self

I have 10 letters. My 1st and 2nd letter means not. My 1st to 5th letter means below. My 6th to 10th letter is to stand. In all, I am when you know. What am I?

63. ## Math

The length of a classroom is 34 ft. What is this measurement in yards and feet?

64. ## help History Ms.sue

OR trail what is it about HELP

65. ## chemistry

what volume of a 0.247 M perchloric acid solution is required to neutralize 23.8 mL of a 0.156 M calcium hydroxide solution? _titration problem of acids/bases

66. ## physics

60 cubic feet of air at 30 PSIG and 50 degrees F is compressed to 80 PSIG and 110 degrees F. What is the final volume?

67. ## forth

i am a number between 22 and 30 the sum of my digit is 9 and different is 5 who am i ?

68. ## Math 222

I need someone to check this to see if I am doing it correctly. k^3+k k^2+k-42 k(k^2+1) (k+7)(k+6) k=-7 k=6 (-0,-7)(-7,6) (6,0)

69. ## Math

For question 10 here: hs.lindenwold.k12.nj.us/ourpages/auto/2009/6/5/49719605/Chapter%2012%20Review.rtf I have these answer choices: a. glide reflection symmetry b. no symmetry c. glide reflection and translation symmetry d. translation symmetry Is answer

70. ## Math 222

Please check this to see if I am doing it correctly. g^2-6g-55/ g g=0 Because you can not divide by zero

71. ## math

i am a number between 22 and 30 the sum of my digit 9 and different is 5 who am i?

72. ## math

If y varies inversely as x, and y = 12 when x = 6, what is K, the variation constant? A. 1⁄3 C. 72 B. 2 D. 144

73. ## calc

If possible, find a, b, and c so that v = [a b c] is orthogonal to both w = [1 6 1] and x = [1 −9 1]

74. ## math

Question:write a system of equation that is linear. can this two equation work? 2x – 3y = –2 4x + y = 24

75. ## math help`

is it true that no matter what the ordered pair is that parallel lines have the same slope and perpendicular lines some is always -1

Hi, I really need help and I'm really confused I don't know what they are asking me to do. Provide three statements that demonstrate the importance of units when describing motion. Please someone help me because it is very important. Thank You :/

77. ## Physics

a 475 kg pre-stressed concrete beam is to be raised 10.0 m in 24.0 s. how many kw of power is needed to for the job

78. ## stastic

Given the following information about a sample, calculate a z score for a test grade of 91. = 87, s = 4.01 (Points

79. ## Computers

What is the only layer of the TCP/IP model that places information used to perform a frame check sequence at the end of the frame? A. Internet B. Transport C. Presentation D. Network Access Suck between two answers.

80. ## trig

How do I verify this? Cos^4x-Sin^4x=1-tan^2x/sec^2x

81. ## English

Which of the following words has experienced the most significant connotative and denotative shift over time as a result of conversational usage? A. fiery B. tepid C. cool D. warm A?

82. ## Chemistry

What is a balanced equation for a Base-Acid Titration?

83. ## English

What is most likely the purpose of King’s Letter from Birmingham Jail? [RI.9-10.6] A. to publicize his personal achievements as a community leader B. to influence others to join the nonviolent civil rights movement C. to provide a legal argument that

84. ## Chemistry

When 85g of CH4 are mixed with 85g of O2 according to this equation: CH4 + 2O2 - cO2 + 2H2O What is the theoretical yield in gams of CO2? What is the percent yield if 45.7g of CO2 are produced? Please explain!

85. ## Accounting

Completed a project for Chang Corporation abd received \$3620 cash. I need to know the debit and credit. Thanks

86. ## Accounting

Paid \$1,200 cash to Hilldale Mall for Success Systems' share of mall advertising cost. I need to know the debit and credit.

87. ## English

Which word in the following sentence is spelt incorrectly? “The ambidectrous student was conspicuously popular on the baseball team because he could pitch with either his right or left hand.” A. pitch B. popular C. conspicuously D. ambidectrous D

88. ## english

The friendly _____ looking puppy pawed on the window to attract the attention of the people walking by on the sidewalk. [L.11-12.2.a] A. : B. & C. , D. – C

89. ## Math

William solves the equation 5(3x-2)=15x-2. How many solutions does he find? A.0 solutions B.1 solution C.2 solutions D.Infinitely many solutions I'm only up to making it to: 15x-10= 15x-2 I was also wondering if I did anything wrong.

90. ## Calculus

Use implicit differentiation to differentiate y=x^(8/37), by writing it as y^37=x^8. Express your answer only in terms of x.

91. ## chemistry

What is the heat involved when 3.00 g of aluminum oxide is formed?

92. ## MATHS

In the given figure, O is the center of the circle and

93. ## English

I have found that when I travel some cities effuse warmth and hospitality while others are very difficult for a stranger to navigate. In this context, “effuse” most closely means A. ignore B. disseminate C. dislike D. earn C?

.In

95. ## Physics 101

A 25 kg box rests on an inclined plane which is 30o to the horizontal. The coefficient of sliding friction between the box and the plane is 0.30. Determine the acceleration of the box down the plane. (9.8 m/s2)

96. ## Physics

How are lights in schools usually wired... Series or parallel circuits?

97. ## Math - hw check

The admission fee for student is \$8 and the admission fee for Adult is \$15. In one hour, 12 adults and students enter the museum and a Total of \$131 in admission was paid. Write a linear system to model this problem and solve this problem graphically.

98. ## GeneralChemistry

What is the minimum amount of 6.7M H2SO4 necessary to produce 27.9g of H2 (g) according to the following reaction? 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) I don't know how to solve it, and I don't understand the explanation given online.

99. ## Social Studies

Can you check my answers? My answers are marked with this: (*) 1. What was the effect of World War I on South Carolina? A. The state economy shrunk significantly. *** B. Citizens used more resources, such as meat and fuel, than before the war. C. Factory

100. ## Math

2x^5-4x^4-6x,x^5+x^4-3x^3-3x^2

101. ## Life science,agric science,geography,history,maths

I'm doing these subjects and my career is to be a dectective,so now I just want to know regarding coarses.

102. ## Unisa

1.Do the planning and write an algorithm to solve the following problem. Prepare test data for the example to test all possibilities and draw a trace table. Sam works at a coffee company where all the employees receive a bonus of R700, except the employees

103. ## physics

(b) A boy wishes to walk on ice block at a constant speed. The coefficient of sliding friction for steel on ice is 0.05 and the boy weighs 150 N. Find the force required to keep the boy moving at a constant speed along the ice.

104. ## Computers2

In the following routing table entry, where will a packet addressed to 10.0.4.66 be handled? 10.0.0.0/24 is subnetted, 4 subnets C 10.0.1.0 is directly connected Serial 0 R 10.0.2.0 via 10.1.6.1 Serial 1 R 10.0.4.0 via 10.1.6.1 Serial 1 C 10.0.6.0 is

Sheds R Us sells \$600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer = \$ b) If instead the interest rate is 1.75% per month, find the monthly payment Answer = \$ can anyone help me

106. ## physics

Calculate the coefficient of kinetic friction for tyre rubber on the road surface.

107. ## chemistry

assuming only glassware was supplied for the original experiment, what would be the procedural change necessary to titrate 25.00mL of commercial bleaching solution.

108. ## Algebra 1

A right triangle has a 40 degree angle. The hypotenuse is 10cm long. What is the length of the side opposite the 40 degree angle? I got 6.4cm but not sure of how I got it.

109. ## Unisa

Flow chart of an if-then-else statement Sam works at a coffee company where all the employees receive a bonus of R700, except the employees in the coffee department 3, who receive a bonus of R850. Enter his gross salary and his personal department number.

110. ## math

what is another way to equal 40 and i already have 10•4•1, 20•2•1,5•4•3,40•1•1,10•2•2?

111. ## English

1. Buy one, get one free. 2. Buy one, and get one free. 3. If you buy one, you will get one free. 4. If you buy one, you get one free. ============================ What does #1 mean?

112. ## math

Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Solve for a

113. ## algebra

A plane can fly a certain distance in 6 hours with the wind, but can return only three-fourths the distance in the same time. If the speed of the plane in still air is 200 km per hour, find the velocity of the wind.

114. ## Math

Please tell me if i got this right... Fill in the blanks... “The __Sum__ of the length of the hypotenuse of a __Right__ triangle is equal to the __Sum__ of the squares of the __Length__ of the other two __Sides__.”

115. ## physics

Alice is trying to open a jar of pickles. Trying as hard as she can, the top to the jar will not turn. According to the scientific definition, is Alice doing work? What has to happen for Alice to be doing work?

116. ## Physics

determine the mass of ice that will be melting when 1.3g of steam at 102 ° C is passed into a calorimeter containing 80g of ice at 0 ° C

117. ## cda

George Herbert Mead believed that children learn internalized conversation through the stages of A. play and games. B. cognitive evaluation and vocal usage. C. verbalization and practice. D. self-talk and thought processes. I choose A

119. ## physics

A 2kg block situated on a rough incline is connected to a spring of negligible mass having a spring costant of 100N/m.the pulley is frictionless.the block is released from rest when the spring is unstretched.the block moves 20 cm down the incline before

120. ## Ethics in Tech

Who wrote that every violation of a "privacy right" is also a violation of another right? A. Stanley Benn B. Louis Brandeis C. Morton Levine D. Judith Jarvis Thomson is it D

121. ## Ethics In Tech

The Census Bureau has not always kept confidential the information it has collected. According to the textbook, this became apparent: A. during the Civil War. B. after the attack on Pearl Harbor. C. during the Vietnam War. D. during the first Gulf War. is

122. ## Statistics

How large a sample should be taken if the population mean is to be estimated with 90% confidence to within \$75? The population has a standard deviation of \$892. So far I have n= (.2)(5)^2, but I don't think that's right....

123. ## Algebra

For f(x)=(3x^2)+5and g(x)=7x-2, a. Verify: g(x + 2) ≠ g(x) + g(2). b. Find (f – g)(x). c. Using the resulting function in (b), show that (f – g)(2) = f(2) – g(2). (The work should be different for each side of the equation.) d. Is (fg)(0)

124. ## Statistics

By measuring the amount of time it takes a component of a product to move from one workstation to the next, an engineer has estimated that the standard deviation is 6 seconds. (a) How many measurements should be made to be 90% certain that the maximum

125. ## Asia

1.) The Himalayas separate ______. a.) Pakistan and India b.) The Indian subcontinent from the rest of Asia. c.) Afghanistan from the rest of South Asia. d.)Northern and Southern Asia. 2.) The Green Revolution changed the way in which people benefit from

126. ## Social Studies

1.) The Himalayas separate ______. a.) Pakistan and India b.) The Indian subcontinent from the rest of Asia. c.) Afghanistan from the rest of South Asia. d.)Northern and Southern Asia. 2.) The Green Revolution changed the way in which people benefit from