# Questions Asked onMay 25, 2015

1. ## Algebra

A baker bakes a batch of muffins and splits the batch evenly onto six different trays. She then adds five croissants to each tray. If each tray now contains at least twenty baked goods, what is the least possible number of muffins in the baker's original

2. ## Precalculus

A 60-foot tree casts a shadow 85 feet long. The sine of the angle of elevation of the top of the tree to the sun is approximately ___. A. .82 B. .75 C. .58 D. .33

3. ## physics

At what height above the ground must a body of mass 10kg be situated in order to have potential energy in value to the kinetic energy possessed by another body of mass 10kg moving with a velocity of 10m-s

4. ## Math

A model rocket is launched from a roof into a large field. The path the rocket can be modeled by the equation y=-0.04x^2+8.3x+4.3 where x is the horizontal distance in meters, from the starting point on the roof and y is the height in meters, of the rocket

5. ## Chemistry

Using the balanced equation below, how many grams of cesium fluoride would be required to make 73.1 g of cesium xenon heptafluoride? CsF+XeF6 ---> CsXeF7

6. ## algbra 1

A farm has only sheep and geese. It has a total of 58 animals and a total of 150 legs on the animals. How many sheep and geese are on the farm?

7. ## chemistry

39.3 grams of c6h6 are allowed to react with 108.3 grams of o2. How much co2 will be produced by this reaction?

8. ## English

I am stuck on these two questions(can you check #1 one over for me?)! For the poem Annabel Lee; 1. What romanticized explanation does the speaker give for the death of his love, Annabel Lee? He tells us that angels from heaven were jealous of their love

9. ## Life orientation

Evaluate the extent to which the service delivery protest you have described in 2 above met or did not meet with the processes that you have researched in 3 above.

10. ## Algebra

Mr. Johnston needs a shelf to hold a set of textbooks, each 1 3/4 in. wide. How many books will fit on a shelf that is 35 in long?

11. ## Algebra 1

Since opening night, attendance at Play A has increased steadily, while Play B first rose then fell. Equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. On what day(s) was the

12. ## Algebra 1

What are the solutions to the system? y=x^2+5x-9 y+2x+1

13. ## Chemistry

Determine the pH of a buffer made from 250 ml of 0.50M HF and 150 ml of 0.75 M NaF.

14. ## criminal Justice

The ACLU has publicly: A. supported the USA PATRIOT Act. B. filed suit to stop the USA PATRIOT Act. C. is neutral about the USA PATRIOT Act. D. has altered the USA PATRIOT Act. is it A 2. Terrorism is frequently committed: A. impulsively. B. with extensive

15. ## Math

Mrs. Murphy separates her class into groups of 4 students each, 1 student is left over. If she separates her class into groups of 5 students each, 2 students are left over. What is the least number of students the class could have?

16. ## Trigonometry

Use De Moivre's Theorem to write the complex number in trigonometric form (cos(2pi)/7)+ i sin((2pi)/7))^5

17. ## math

margaret Hillman invested \$4,000 at 1.2% compounded quarterly for one year. find the futrue value and the interest earned for the year

18. ## chemistry

why does water,oil,acetone and isopropanol have the same concave meniscus shape?

19. ## Algebra

A microscope can magnify the specimen 10^4 times. How many is that? My answer 10 x 10 x 10 x 10 = 10,000 times Am I right?

20. ## Algebra

Write 806,000,000 in scientific notation

21. ## English

Another question regarding the poem Annabel Lee. Can you check my response for me and help me elaborate on the rhythm explanation please; 1. What is the overall tone of the poem? How does the rhythm of the poem affect the tone? my ans: The tone of the poem

22. ## Dynamics

The flat circular disc rotates about a vertical axis through O with a constant angular velocity of 240rpm. Prior to rotation, each of the 0.5kg sliding blocks has the position x=25mm with no force in its attached spring. Each spring has a stiffness of

23. ## math

a circular maize field has a radius of 200m .What is the length of fence around this field

24. ## Chemistry

Methane gas burns in air to give carbon dioxide and water. a) give a chemical equation b) How can the mixture of these gases be separated b) Which gases does it mean?? Can anyone tell me.. Pleease.

25. ## Chemistry ( I NEED HELP REAL QUICK )

How much Al is needed to react with 675 mL of 0.655M HCl solution according to the reaction => 2Al + 6HCl→2AlCl3+ 3H2 Help your friend!

26. ## math

on monday 464 students went on a trip to zoo .all 9 buses were filled and 5 students had to travel in cars. how many students were in each bus?

27. ## algebra

assume x > 0. what percent of 8x is 5x? i know that the equation is 5x/8x = p/100 and i have to multiply both sides by 100, but i'm not sure how to multiply 100 * 5x / 8x? what is 65% of 80x? again, i know that the equation is a/80x = 65/100 and i have to

28. ## Algebra

A salesperson receives a 3% commission on sales. The salesperson receives \$180 in commission. What is the amount of sales? The percent equation is: a/w = p/100 3% substitutes for p, but I'm not sure what 180 would substitute for, a or w?

29. ## biology

If A represents atomic mass and Z represents atomic number, which of the following describes an atom after a proton is emitted from its nucleus? A. A+ 1, Z + 1 B. A-1,Z-1 C. A+ 1, Z-1 D. A-1, Z + 1 My answer is B.

30. ## Chemistry check my answers

Please check my answers For each of the 7 reactions in this experiment, write a balanced equation and classify it as a synthesis, decomposition, single replacemnt, neutralization, or double replacement reaction. Reaction 1 1)Adjust a burner flae to high

31. ## English help

What is the resolution in the taming of the shrew?

32. ## Algebra

Find the GCF of 14abc and 28a^2 b^2 c^3 How do I answer this??

33. ## Criminal Justice

Which of the following changed the laws on investigating terrorism? A. The USA PATRIOT Act B. The Sarbanes-Oxley Act C. The Homeland Security Act D. The Anti-Terrorism and Effective Death Penalty Act is it A

34. ## l.o

do you agree with the statement below ? coverage of sport ,sport personalities and recreational activities vary in media .the media tend to focus on the male dominated sport and sports personalities as well as certain sports codes and neglect others ,

35. ## American Government

The fourth branch of government refers to

36. ## physics

A body A of mass 2.0kg makes an elastic collision with another body B at rest. After collision,A continues to move in the original direction but with one-fourth of its original speed. Determine the value of mass B

37. ## Algebra

Find the product Simplify if possible: 12y/13 * 11/24

38. ## Algebra

A set of encyclopedia has 27 volumes. each volume is 1 3/8 inches thick. If the volumes are placed side by side, how long will the set be?

39. ## electronic medical records

if a physician is charging for a mole removal procedure based on what he and other physicans gerally say for that procedures,hes probably using

40. ## math

I need to calculate the effective interest rate of a simple discount note \$21,750 at an ordinary bank discount rate of 7.91% for 120 days find the effective rate

41. ## algebra

14.2 is 35.5% of what number? 3/5 is 60% of what number? what number is 25% of 7/8?

42. ## Foreign language, French

I need help with speaking portion of the VHL Central Lesson 2B Enregitrez as I can't really hear the speaker quite properly. If someone is currently doing the course ( the course is French 2) that will be ideal but any and all help I will find acceptable.

43. ## Foreign language, French

I also need help understanding what the speaker for Lesson 4A Decrivez is saying because she kind of mumbles and I can't catch it. If someone is currently doing the course ( the course is French 2) that will be ideal but any and all help I will find

44. ## math packet

how do I solve the following: 2x(x-3)+3=4

45. ## Physics

A car drives over a hump in the road. The radius of the (circular) hump is 45m. How fast (m/s) would the car need to travel, so that the wheels just barely lose contact with the road?

46. ## algebra

-2(x-3) 6x Is that the right answer?

47. ## First Nations Studies 12

Activity Sheet 5-10. Analysis: Louis Riel's summation to the Jury speech. Please someone help me with these questions if you can please!! I REALLY NEED THE HELP!!!??? What information is left out of his speech? What other sources of information could you

48. ## chemistry

15g of calcium hydroxide is dissolved in 500cm^3 of water 300cm^3 of the solution is used to neutralise hydrocloric acid of/5mol.dm^3 how do i calculate the volume of the acid

49. ## Chemistry

What is the molarity of a bleach solution containing 6.6 g of NaOCl per liter of bleach? answer please

50. ## Math

Which number is NOT divisible by 9?

51. ## Algebra

Which fraction is not equivalent to 6/10? 3/5 EQUIVELANT 12/20 EQUIVELANT -6/-10 - 6/10 I know the first two are equivalent to 6/10 but I'm not sure about the last two.

52. ## Algebra

You have two types of bread, three types of meat, and four types of cheese. How many different sandwiches can you make if each sandwich has one type of bread, one type of meat, and one type of cheese? 9 sandwiches *My answer* 16 sandwiches 24 sandwiches 27

53. ## science

If A represents atomic mass and Z represents atomic number, which of the following describes an atom after a proton is emitted from its nucleus? A. A+ 1, Z + 1 B. A-1,Z-1 C. A+ 1, Z-1 D. A-1, Z + 1 My answer is B

54. ## English help

What is the resolution and exposition in 10 things I hate about you? I need help!!

55. ## Algebra

What is the prime factorization of 180? My answer 2 x 2 x 3 x 3 x 5 Am I right?

56. ## chemistry

how many grams of solid magnesium nitrate should be added to 5.0 grams of solid sodium nitrate in a 500 mL volumetric flask in order to produce an aqueous 0.25M solution of NO3- ions (once the flask is filled to the 500mL volume line)? No idea where to

57. ## math

I am having trouble understanding how to solve this problem. I found an answer, about 74.2%, but I am not sure if that is correct. Any help would be greatly appreciated! A chess board has 64 squares, 32 white and 32 black, and is played with 16 black and

58. ## Algebra

Evaluate. Write in simplest form. 6-b/3a a=10 a=-9 My answer is 2 or 5...I'm not sure

59. ## Algebra

x^7 * y^3 * x^8 * y^2 can you help me find the answer?

60. ## Algebra

Write 0.000000474 in scientific notation.

61. ## Algebra

Write 9.79 x 10^5 in standard notation.

62. ## Algebra

Order 3.21 x 10, 42 x 10^4, and 0.11 x 10^10 from least to greatest

63. ## Algebra (VERY IMPORTANT)

2/3(4x+2)^2 +1= 9

64. ## Math

A cylinder is 12 cm tall and has a diameter of 3 cm. What is the total surface area? Pi x radius x radius=3.14 x 1.5 x 2=9.42 cm Pi x diameter= 3.14 x 3= 9.42cm length x width= 9.42 x 12= 113.04cm Total Surface Area= 9.42+9.42+113.04=131.8cmsquared. The

65. ## science

A ping pong ball and a penny are placed in water. The ping pong ball floats while the penny sinks? What property of water does this demonstrate? I think it has to do with the density. The reason the ping pong ball floats is because it has a lower density

66. ## Math

triangle abc has sides that are 20 centimeters 38 centimeters and 50 centimeters in length . it is related to triangle cde by a scale factor of 0.5 what are the lengths of the sides of triangle CDE. I need help to figure this out. Thanks

67. ## Math 7

A photo studio offers different sized prints of the same subject. The original print measures 8 inches by 10 inches. A printer enlarges the orginal the orginal by a scale factor of 1.5, and then enlarges the second image by a scale factor of 3. What are

68. ## science

what happens to insulin when kidney failure happens?

69. ## maths

calculet the volume and total surface area of aright circular cylinder of height 1m and radius 70cm.

70. ## Algebra

Paul needs 3 1/4 yards of fabric to make one tablecloth. How many tablecloths can he make from 20 1/2 yards of fabric. 67 7 My answer 6 66

71. ## Algebra

Mary thinks that a quarter-pound hamburger is heavier than a 5 oz hamburger. Explain why she is incorrect.

72. ## Algebra

Find the least common multiple: 2b^2 and 12c^3

73. ## Algebra

Anita owns a beauty supply store. Every two weeks she receives a supply of shampoo. Every four weeks she receives a carton of nail polishes. Every eight weeks she receives a box of combs, and every twelve weeks she receives a box of hair dyes. If Anita

74. ## maths

two chords,AB and CD ,of acircle intersect at right angles at a point inside the circle. If m(angleBAC):35,FIND m(angleABD).

75. ## computer

The merge process involves which two types of files? A. Main document and data source B. Text and merge fields C. Mail merge template and mailings D. Primary and secondary

76. ## henry ford

A rocket is fired at a speed of 74.0 m/s from ground level, at an angle of 68.0 ° above the horizontal. The rocket is fired toward an 49.8-m high wall, which is located 32.0 m away. The rocket attains its launch speed in a negligibly short period of time,

77. ## math

i have 5/6 yards of fabric to make shirts I need 1/12 yards of fabric for each chirt. How many shirts can I make? 5/6 x 1/12

78. ## algebra (check my work)

60% of what number is 24? a/w = p/100 24/w = 60/100 24 * 100 = 60* w 2400 / 60 = 60w / 60 w = 40 am i correct?

79. ## Algebra

Jane and Jeff are selling cheesecakes for a school fundraiser. Customers can buy New York style cheesecakes and strawberry cheesecakes. Jane sold 14 New York Style Cheesecakes and 4 Strawberry cheesecakes for a total of \$250. Jeff sold 7 New York Style

80. ## Chemistry

How many milliliters of a 5.0 M H2SO4 stock solution would you need to prepare 111.0 mL of 0.36 M H2SO4?

81. ## Statistics

The performance of students is given by the following result: 52,74,54,12,47,36,48,84,65,42,15,45,74,36, 47,53,57,32,41 and 58. If the pass mark is 50. What is the probability that a student should score 84?

82. ## Algebra

Simplify 3/7 - 4/m

83. ## Probability

Let θ be an unknown constant. Let W1,…,Wn be independent exponential random variables each with parameter 1. Let Xi=θ+Wi. What is the maximum likelihood estimate of θ based on a single observation X1=x1? Enter your answer in terms of x1 (enter as x_1)

84. ## math

rosa needs \$4,000in three years to make a down payment on a car how much must she invest today is she reeceives 0.5% interest annually compounded annually.

85. ## math

rosa needs \$3,000in three years to make a down payment on a car how much must she invest today is she reeceives 0.5% interest annually compounded annually.

86. ## Physics/Dynamics

A truck has wheels of diameter 0.9m, a weight of 8000kg, a wheel-base of 4m, and a tray height of approximately 1.2m. The truck’s weight distribution is 50% on the rear wheels and 50% on the front wheels. The truck’s front springs have a combined

87. ## American Government

The voting rate among 18 - 24 year olds in 2004:

88. ## mat/116

a student scores 74 out of 100 on a test. if the maximum on the next test is also 100, what does the student to maintain an average of 78

89. ## math

Hello Sir, I have a question . A bird collector wants to buy 100 birds and to spend exactly \$100. 1 Blue Bird= 7 dollars 1 Green Bird= 5 dollars 20 Yellow Birds= 1 dollar How many blue, green, and yellow birds can he buy? Please sir i'm waiting for your

90. ## math

compute the compound amount and the interest on a loan of \$19,400 compounded annually for 6 years at 12%

91. ## Algebra

Solve for h: h + 3/8 = - 1/4

92. ## Algebra

Solve for t: 15 3/4 = t + 4 5/8

93. ## Algebra

Solve for h: 3/7 h = 9

94. ## economics

the south african government is not providing enough welfare or subsidies to the poor and underpriviledged

95. ## math

how to cut a 10 ft board into 9 smaller boards

96. ## earth science

_____ currents assist in the transfer of energy from warmer climates to cooler climates

97. ## Math

Express the given equation in rectangular coordinate equation and sketch the curve. r^2=1+sin(theta)

98. ## chemistry

Why does acetone evapourate faster than water in terms of intermolecular forces

99. ## Algebra

Order from least to greatest: 2.1, 3/5, -0.7, 7/10

100. ## Social Studies

Southerners justified secession with the theory of Constitutional rights. Federal rights. the Union's errors State's rights. I think the answer is state's rights. Please correct me if i am wrong.

101. ## algebra

3 shirts and 2 hats cost \$52. 2 shirts and 1 hat cost \$32. Find the cost of each.

102. ## Math

A catapult launches a boulder with an upward velocity of 92 m/s. The height of the boulder, h, in meters after 1 seconds is given in the function h= -5t^2+92t+16. How many seconds does it take to reach maximum height? What is the boulders maximum height?

103. ## Social Studies

Is there a website that talks about rebuilding the twin towers?

104. ## Physics

A person struggles to read by holding a book at arms length, a distance of 50.0 cm. What power of reading glasses should be prescribed for him, assuming they will be placed 2.0 cm from the eye and he wanted to read at normal near point of 25.0 cm?

105. ## MATH Help (NOT MULTIPLE CHOICE) PLZZ

The O’Toole’s leave their house in Canada to vacation in Mexico for a week over winter break. In their absence, their house receives an average of 8 inches of snow per day each day during the seven-day period. However, the average air temperature rises

106. ## Math Thanks

2 Eight children from the Schickel family are combining their savings to purchase a gaming system to connect to and play on their television. The gaming system is on sale at their favorite discount electronics store for 10 percent off of its regular price

107. ## Ethics and Social respo.

What is one of the most fundamental questions in the issue of whether or not one can ethically use stem cells from embryos for research? (Points : 1) How many embryos are there? What is the dividing time for cells in an embryo? From whom did the embryo

108. ## Algebra

Suppose that a virus doubles every 3 hours. If a person has 30 virus cells, how many will he have after 9 hours? I got 810,000. 30*30=900 900*900=810,000 or would it be 240 since 30*2=60 60*2=120 120*2=240

109. ## criminal justice

what are all the procedlural and substantive ways that a prosecutor and a defense attorney can resolve a case before it goes to a grand jury?

110. ## Math

I brought a book and paid \$1.80 in sales tax. If the tax was 8%, what was the cost of the book. How do I solve this problem?

111. ## Biology

How a radioactive element will decay over time?

Market environment assay

113. ## chemistry

How would this problem be worked using dimensional analysis? Answer is 1.32g and I can work it (.900/13.6) * 20 = 1.32 But i need it in dimensional analysis and the hint was to first find volume of mercury. How many grams of alcohol with a density of 0.900

114. ## math

what is a probability of rolling a total of 5 when a pair of number cubes is rolled once

115. ## algebra

6 slices of pizza and 4 drinks cost \$12.60 while 3 slices of pizza and 4 drinks cost \$8.10. What is the cost of each?

116. ## Math

What is the equation of the parabola with a focus of (4, 5) and a vertex of (4, 2) opening upwards? y - 2 = 1/12(x - 4)^2?

117. ## ap chemistry

a cell is based on the following reaction Fe(s)+2Fe+3(aq) -----> 3Fe+2 (aq) E cell= 1.18 V. Calculate the concentration of iron (II), in M, if the cell emf is 1.28 V. when [Fe^(3+)]= 0.5 M the answer is 0.047 M

118. ## maths

solve for x if 2cos(x-30)=1, £(-90;270)

119. ## Math

Identify the sampling,method. You want to determine the number of text messages students at your school send in a month. You go to the cafeteria and ask every 4th student that walks in. a- random b- systemic c- stratified d-m none of these My answer is

120. ## Algebra

How can you write the expression with a rationalized denominator? ^3 sqrt 3 / ^3 sqrt 4