# Questions Asked onJuly 25, 2011

1. ## math

a catering company has 15 customers orders during its first month. for each month afterward the company has double the number of orders of the previous month. how many orders in total did the company fill in its first year?

2. ## General Chemistry

So I've been working on this online homework problem and got it wrong 8 times. I need help. Here's the question: 1,2-diaminoethane, H2N-CH2-CH2-NH2, is used extensively in the synthesis of compounds containing transition-metal complexes in water. If pK_b1

3. ## Math

From the top of a 50m high bridge, two boats are seen at anchor. One boat is S 50degrees W and has an angle of depression of 38 degrees. The other boat is S 60degrees E and has a 35 degree angle of depression. How far apart are the boats?

4. ## math

the maximun height of a ferris wheel is 35m. the wheel takes 2 mins to make one revolution. passengers board the ferris wheel 2m above the ground at the bottom of the rotation. a. write an equation to model this b. how high is the passengers after 45s c.

5. ## math

A cardboard box manufacturer wishes to make open boxes from rectangular pieces of cardboard with dimensions 40 cm by 60 cm by cutting equal squares from the four corners and turning up the sides. Find the length of the side of the cut-out square so that

6. ## physics

if the brakes of an automobile are applied from 70km/h to 35km/h, how many meters does the car travel during this deceleration?

7. ## Math

Trigonometry Problem: The good ship Bravery is 30 km due west of the good ship Courageous. The Bravery sets out on a bearing of 030° at a speed of 20km/hr. The Courageous sets out on a bearing of 345° at a speed of 25km/hr. Will the ships collide?

8. ## early childhood

Whats two resources designed to assist teachers in constructively dealing with childrens challenging behaviors like biting, hitting, aggressive,etc?

9. ## Math

Paul drove from his house to work at an average speed of 40 miles per hour. The drive took him 15 minutes. If the drive home took him 20 minutes and he used the same route in reverse, what was his average speed going home?

10. ## math

Write MCMLXXVII in Hindu-Arabic?

asked by Erica Anne C. Arellano
11. ## logic

Aron: The two double A batteries in my CD player are dead, so the CD player doesn’t work. My television remote control, which also uses two double A batteries, works fine. So if I move the two batteries from my television remote control to my CD player,

12. ## Geography

conduct research to examine the sphere of influence of an organisation that renders a service in a community .eg.clinic,hospital,a local high school

13. ## english.

Can you give me some examples of figurative language in the book Dairy Queen by Catherine Murdock. And also can you list the page numbers.

14. ## math

Upon examining the contents of 38 backpacks, it was found that 23 contained a black pen, 27 contained a blue pen, and 21 contained a pencil, 15 contained both a black pen and a blue pen, 12 contained both a black pen and a pencil, 18 contained both a blue

15. ## chemistry

If one-fourth cup of vinegar contains 0.049 mole of HC2H3O2, how many grams of baking soda will react with this amount of acetic acid? What would be the percent by weight of HC2H3O2 in this one-fourth cup of vinegar solution? (assume density of vinegar is

16. ## chemistry

assume that 0.50 L of carbon dioxide is required for a loaf of bread. what mass of glucose must be broken down by yeast to produce this volume of carbon dioxide? (density of carbon dioxide at baking temp. is 1.25 g/L.

17. ## math

A balloon rises at a rate of 3 meters per second from a point on the ground 30 meters from an observer. Find the rate of change of the angle of elevation (in radians per second or rad/sec) of the balloon from the observer when the balloon is 30 meters

18. ## physics

Consider two current carrying wires shown below. The current in the wire 1 is 4.5 A in the positive x direction. Find the magnitude and direction of the current in wire 2 if the net magnetic field at point A is to be 7.5 μT in the positive z direction

19. ## physics

suppose you stand on a bathroom scale and get a reading of 700N. in principle, would the scale read more, less, or the same if the earth did not rotate?

20. ## calculus

this is a optimization problem A construction company has been offered a contract for \$7.8 million to construct and operate a trucking route for five years to transport ore from a mine site to a smelter. The smelter is located on a major highway, and the

21. ## statistics

The average marks of 30 students in mathematics is 69. If the class leader’s mark is included then the average becomes 70. Find the class leader’s mark.

22. ## Biology

Write true or false: 1. A root hair is a small extension of an epidermal or outermost cell layer of a dicot root 2. Layers of parenchyma cells make up the cortex of a dicot root and the central pith of a monocot root. 3. Outside the endodermis is a tissue

23. ## Finance

Nancy Bellow promised her son she would pay him \$600 a quarterly for four years.If Nancy can invest her money in a 6% ordinary annuity, how much would she need to invest today

24. ## macroeconimics

A bank has \$120 million in total assets, which are composed of reserves, loans, and securities. It’s only liabilities are \$120 million in transactions deposits. The bank exactly satisfies its reserve requirement and its total reserves equal \$6 million.

25. ## Pre Cal

Which of the following represents the graph of y=f(x) first shifted down 1 and reflected in the x-axis? a) y=f(-x)-1 b)y=-(f(x)-1) C)y=-f(x)-1 d) y=abs(f(x-1))

26. ## economics

1. Pick a business that you are familiar with and list three (3) fixed and (3) variable inputs associated with that business. 2. What are some things that you think that business could do to reduce their costs? Why?

27. ## statistics in psychology

11. Make up a scatter diagram with 10 dots for each of the following situations: (a) perfect positive linear correlation, (b) large but not perfect positive linear correlation, (c) small positive linear correlation, (d) large but not perfect negative

28. ## bio

Find a media piece—article, video, presentation, song, or other—related to the scientific method, creating hypotheses, or designing experiments. Include the link or reference citation for the piece and describe how it helped you better understand how

29. ## Chem

How much heat is liberated at constant pressure if .928 g of Fe reacts with 26.2 mL of .238 M HCl? Delta H = -87.9 kJ

30. ## college algebra

how long would it take \$3,100 to grow to \$8,800 if the annual rate is 3.5% and interest is compounded monthly? please help

31. ## Statistics

A loaded coin is tossed 5 times, find the probability distribution for the number of heads, if heads are thrice likely to occur than tails. Let x be the number of heads that will turn up. Compute the probability associated to each value of X using the

32. ## vetrianarian

Which of the following theories asserts that all animal activity is learned, rather than genetically programmed?

33. ## Pr-Cal/Trig

1)if the graph of f(x)=cotx is transformed by a horizontal shrink of 1/4 and a horizontal shift left pi, the result is the graph of: a) g(x)= cot[1/4(x-pi)] b) g(x)=cot[1/4(x+pi)] c) g(x)=cot[4(x-pi)] d) g(x)=cot[4(x+pi)] e) g(x)=cot[4x+pi] please include

34. ## math

solve by the elimination method: 9x-9y=18 7y-3x=-8 please solve step by step thank you for your help

35. ## Pre-Calc

Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115 Find z2^6

36. ## Chemistry

What volume of liquid water is produced from the combustion of 10.00 L of octane, C8H18? (density of octane=0.692 g/mL

37. ## chemistry

A level teaspoon may contain 4.0 grams of NaHCO3. How many moles does this represent?

38. ## Pre Cal

If the graph of f(x)=cotx is transformed by a horizontal shrink of 1/4 and a horizontal shift left pi, the result has what equation?

39. ## college algebra

the population of a certain geographic region is approximately 105 million and grows continuously at a relative growth rate of 1.53%. what will the population be in 5 years?

40. ## Geometry

Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2). Prove: angles ABC and RPQ are congruent by completing the paragraph proof. AB=RP=13, BC=(?)=53, and CA=QR=26. So segment AB is congruent to (?), segments BC and PQ are congruent and segment CA is

41. ## English/Marketing

Hi I wrote a paper for school and turn it in said it is 78% plagiarized I am upset because I did not use any of the sources they listed. I am stuck rewording my paper since I thought I did a good job on it. Are there any websites available to help me with

42. ## Basic Statistics

A population of 200 voters contains 52 Republicans, 128 Democrats, and 20 independents and members of other parties. A simple random sample of 20 voters will be drawn from this population. The expected number of Republicans in the sample is ______ ? The

3x²+8x=35

44. ## algebra

factor the expression a^2-6ab+9b^2 into a product of binomials

45. ## Sci 275

Write a 250 to 350 word response to the following: · If you were an environmental researcher and were given funding to assist with one environmental issue, which of the following topics would you choose to spend your funds on? (I encourage you to use the

46. ## college algebra

find all vertical and horizontal asymptoles f(x)=4x/x^+1

47. ## chemistry

zinc displaces gold in seawater present int he form of gold (III) hydroxide. What mass of gold can be recovered if 20 moles of zinc are available?

48. ## physics

A projectile is fired with velocity v at angle thita. Find the time when velocity of projectile will make angle 90' with initial direction of velocity?

49. ## English

Can you please check these sentences on phrasal verbs? Thank you in advance. 1) Can I have two chops of lamb (or lamb chops?) and a roast chicken (or a chicken roast?)? 2)Our teacher will go over our mistakes during our afternoon’s revision course.

50. ## math

is one half greater than three fourths

51. ## science

Question: If you have an electric motor on a bench and hook it to the power the shaft turns. If you put the shaft in a vise the casing of the motor will turn. Now:...put this motor in free space no gravity and attach a battery for power..when the power is

52. ## Health

I am trying to understanding what is required " Identify one trend in global health and discuss how this trend may affect public health in your community." Am I right by thinking that this like how prevention of hiv by cdc can affect local communities. I

53. ## intermediate icd 9 cm coding

What are the codes for Intrauterine pregnancy, spontaneous delivery, single live born?

54. ## scientist

What is the law which states that volume and temperature are directly related?

asked by Erica Anne C. Arellano
55. ## Pre Cal

If the graph of f(x)=cotx is transformed by a horizontal shrink of 1/4 and a horizontal shift left pi, the result is what?

56. ## math

driving at 43 mpH, one covers 17 miles in how many seconds?

57. ## physics

A projectile is fired with velocity v at angle thita. Find the time when velocity of projectile will make angle 90' with initial direction of velocity?

58. ## Algebra

Andrew factored the expression 28x^3-42x^2+35x as 7x(4x^2+6x-5). But when Melissa applied the distributive law and multiplied out 7x(4x^2+6x-5) , she got 28x^3+42x^2-35x ; thus, Andrew’s solution does not appear to check. Why is that? Please help Andrew

59. ## Math

what does it mean to describe the end behavior of f in a graph?

60. ## Math

The difference between two positive number is 72 and one of them is divided by the other, the quotient is 4.Find those numbers. Option: a) 22&94 b) 24&96 c) 20&92 d) 30&102

61. ## Algrebra

Please advise on the following: From 1993 to 2003 the cumulative number N of AIDS cases in thousands can be approximated by, where corresponds to the year 1993. N = -2 x2 + 76x + 430, where x = 0 corresponds to. 1) Show how well the equation approximates

63. ## CGD 218

Do you think TV or Film is more effective for marketing?

64. ## math

a paintball is hot at a wheel that has a radius of 40 cm. it hits the very bottom of the wheel next to the road while the car is stopped at the red light. as the light turns green, the wheel rolls, and so does the paint. if it takes 3 seconds for the wheel

65. ## algebra

85 factoral to the nearest tenth

66. ## math

A right circular cylinder is to be designed to hold 750 cm3 of processed milk, and to use a minimal amount of material in its construction. Find the dimensions for the container.

67. ## English

Please let me know if this is correct? Broad Subject-Phonebook Character Limited Topic for Thesis Statement- Oliver Tolivr Main Idea- Wealthy Buisness Man Three Step Format #2 Appearance-Sloppily dressed #3 Surroundings-State of the art mansion #4

68. ## Math

Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115 Find z2^6

69. ## Chemistry Lab

if i get 4 % of yield in the experiment of chemical reactions of copper and percent yield. Is there a possibility the experiment wa success? ~in my opinion it was success because ou theoritical yield is below 100 % ~i just need some opinion.

70. ## math

the leaning tower of pisa is 55.9m tall and leans 5.5 deg from the vertical. if its shadow is 90.0m long, what is the distance from the top pf the tower to the edge of the shadow? assume that the ground is level. please help in details

71. ## math

suppose you wanted to place 1,000,000 pennies in large coin banks. if you put 50,000 pennies in each bank, in which bank would you find the 678,230th penny?

72. ## Organic Chemistry

Draw and describe the three overall redox reactions than occur in the conversion of 2,6-dimethylnitrobenzene to 2,6-dimethylaniline using stannous chloride. (Not the mechanisms). What are the key structures in these reactions, and what are their oxidation

73. ## PSY 285

how can social cognition may both positively and negatively affect one's attitudes and behaviors?

74. ## physics

A body of specific gravity 3.0 is immersed in water. What is the minimum force required to pull it out at velocity 2

75. ## Pre-Calc

Find [4(cos115+isin115)]^6

76. ## statistics

Assuming that the correlation between IQ scores and GPA scores is +.87, explain what this means.

77. ## English

I left out the following sentences. By the way, thank you very much for helping me with the use of containers. 1)I’m staying over at Sheila’s tonight. The factory has shut down, and 2,000 people have lost their jobs. 2) My father is taking these

78. ## math

a spaceship leaves the alien mother-ship and begins descending to earth. it descends 64m during the first second and 7m less during each second afterward. if the aliens invade after 10s, how far did the ship descend?

79. ## math

a paintball is hot at a wheel that has a radius of 40 cm. it hits the very bottom of the wheel next to the road while the car is stopped at the red light. as the light turns green, the wheel rolls, and so does the paint. if it takes 3 seconds for the wheel

80. ## algebra

solve. 0.7x+4

81. ## Calculus

Given f'(x)=7cosx–11sinx and f(0)=1, find f(x)= ____?

82. ## intermediate algebra

factor completely. Remember to look first for a common factor. If a polynomial is prime, state this. -4t^2+64 -(4t^2-64 =((2t)^2-8^2) (a^2-b^2)=(a+b)(a-b)

83. ## Pre Cal

Which of the following represents the graph of y=f(x) first shifted down 1 and reflected in the x-axis? a) y=f(-x)-1 b)y=-(f(x)-1) C)y=-f(x)-1 d) y=abs(f(x-1))

Hello am new at this work at home but i never find any good site i can work with pls help am from nigeria send me link of good work at home that can suit me nothing is small to earn. thanks

85. ## chemistry

Make a buffer solution with the following specification pH=5.5 Volume=2L total concentration=1M ... a) Name the components?... b) How many grams of each component would you use to make 2L of solution

86. ## chemistry

why do you use Na2Co3 extract solution tor the analysis of anions

87. ## chemistry

why do you use Na2Co3 extract of anions

88. ## Psychology

Avis put off writing her term paper until three days before it was due. "It's not that big of a deal. I can whip it out in a couple of hours," she thought. As it turned out, this was not the case. She averaged two hours a night sleep as she struggled to

89. ## Calculus

Decide whether to integrate with respect to x or y. Find the area of the region. y=e^2x y=e^6x x=1 I have no idea what to do

90. ## intermediate algebra

factor the following expression completely: 70w^3-125w^2+30w

91. ## Programming Concepts

how do you Create a Web page that displays all numbers from 20 to 1 and indicates whether the number is prime in it displays?

92. ## algebra

Find the.domain of g(h)=10/3-2x

93. ## Pre Cal

a Function f is defined as f(x)=3*2^x a)is f increasing or decreasing? b)write equation for the horizontal asymptote c)describe the end behavior of f

94. ## algebra

factor out the greatest common factor from the expression. 18x^7-14x^2

95. ## algebra

use the "difference of squares" rule to factor the following expression. x^2-81

96. ## sciencs

what is denser, 1 grams of gold or 1 kilograms of copper? why?

97. ## Math

Anyone help me?? :) How to solve: 5x2 = -(19/2x-1) and 2x2 + 45/2x - 18 = 0 With full solutions? Thank you :)

98. ## maths

the mass of a boy is 36.1kg when rounded off to 1 decimal place. If his mass is less than 36.1kg, what is his possible mass?

99. ## chemistry

can you give me examples of pictures just name it, ummm.. CHEMISTRY IN DAILY LIVING , TECHNOLOGY AND SOCIETY

100. ## algebra

factor out the greatest common factor from the expression 18x^5+48x^2-30x

101. ## chemistry

Make a buffer solution with the following specification pH=5.5 Volume=2L total concentration=1M ... a) Name the components?... b) How many grams of each component would you use to make 2L of solution

102. ## math

Use the “difference of squares” rule to factor the following expression 49-4y^2 Thanks :)

103. ## Pre Cal

a Function f is defined as f(x)=3*2^x a)is f increasing or decreasing? b)write equation for the horizontal asymptote c)describe the end behavior of

104. ## Chemistry

an electron has an uncertainty in its position of 552 pm. what is the uncertainty in its velocity?

105. ## english

using atleast five different pronouns, adverbs, and adjectives, write several sentences describing a recent interaction with a friend of a "ritual" you celebrate.

suppose a bead maker wants to separate 10,000,000 beads into boxes. She will put 100,000 beads into each box. Into which box would she put the 4,358,216th bead?

107. ## Pre cal

)a function f is defined as f(x) = 3*2^x describe the end behavior of f, please describe in detail how you got the answer and explain your abbreviations.

108. ## math

solve by the elimination method x+6y=12 -x+7y=1

109. ## Math

Andrew factored the expression 28x^3-42x^2+35x as 7x(4x^2+6x-5). But when Melissa applied the distributive law and multiplied out 7x(4x^2+6x-5) , she got 28x^3+42x^2-35x ; thus, Andrew’s solution does not appear to check. Why is that? Please help Andrew

110. ## algebra

if an angle is three times is complement determine its measure

111. ## Pre-Calc

Vector v is (4√3,√3). Find the angle between v and i.

112. ## english

Identify the noun clause in the following sentence: What they should do is hire a tutor who can help them with their math skills.

113. ## Medical Transcription

1. This is an 18-month-old boy who was healthy until about 8 days ago when his mother noted reddened blotches on his neck and trunk particularly his upper back.

114. ## Trig

Find [4(cos115+isin115)]^6

115. ## math

Use the “difference of squares” rule to factor the following expression 49-4y^2 my answer is going to be (7-2y)(7-2y) I wasn't sure if it could of been (7-2y)(7+2y)

116. ## Pre Cal

what does it mean when it says describe the end behavior of f and whats that for f(x)=(x^2+x+3)/(x-1) and f(x)= 3*2^x, please explain everything, and if you use --> tell me what that means, cuz i have no clue

117. ## math

Evaluate:24(12)-9/3. Find the answer and the solution.

asked by Erica Anne C. Arellano
118. ## math

what is the density in kg/m3 1500 and 100.65 of nh3

24 = 2x / 4y

120. ## Occ

(x^2 +4)y = 2x

121. ## Math

If f(x)=5x+2 and g(x)=x^2+3, then what is f(g(x))?

122. ## college algebra

solve x^2e^x+9x^ex=0

123. ## math

thinking/inquiry/problem solving: a formula for the sum of the first n terms of an arithmethic series is Sn=n^2 + 4n. determin e the first four terms of the series.

124. ## lenasia secondary school

reseach project chemical system: phosphates what is a super phosphate?