# Questions Asked onOctober 12, 2010

1. ## General Chemistry

A student dissolved 4.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution and then diluted it with water to give 275. mL of a final solution. How many grams of NO3- ion are there in the final solution?

2. ## physic

a tank contains 26.0 kg of oxygen gas at a gauge pressure of 8.70 atm. if oxygen is replaced by helium, how many kilograms of the latter will be needed to produce a gauge pressure at 7.00 atm?

3. ## Prob and Stats

To estimate the mean height population of male students on your campus, you will measure and SRS of students. Heights of people the same sex and similiar ages are close to normal. You know from government data that the standard deviation of the heights of

4. ## General Physics I

An antelope moving with constant acceleration covers the distance between two points 70.0 m apart in 7.00 s. Its speed as it passes the second point is 15.0 m/s. (a) What is its speed at the first point? (b) What is its acceleration?

5. ## US history

1) The ideals of the Athenian State , Roman law, and the Mayflower Compact contributed most significantly to the growth of the principles of 1. government under law and the consent of the governed. 2. religious freedom and women's suffrage. 3. checks and

6. ## PHYSICS

Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is

7. ## geography

How far did the fertile crescent stretch from north to south? 650 miles from North to South or 640 miles Thanks

8. ## IPC

The latent heat of vaporization of water is 540 calories/gram. How many calories are required to completely vaporize 500 grams of water?

9. ## Physics

A student throws a water balloon vertically downward from the top of a building. The balloon leaves the thrower's hand with a speed of 6.00 m/s. Air resistance may be ignored, so the water balloon is in free fall after it leaves the thrower's hand. (a)

10. ## chemistry

Please help!... Lakes that have been acidified by acid rain (HNO3 and H2SO4) can be neutralized by a process called liming, in which limestone (CaCO3) is added to the acidified water. Write ionic and net ionic equations to show how limestone reacts with

11. ## physics

You are piloting a small plane, and you want to reach an airport 450 km due south in 3.0 hours. A wind is blowing from the west at 80 km/h. What heading and airspeed should you choose to reach your destination in time?

12. ## physics-newton's laws

an aeroplane is flying in a horizontal circle with airspeed of 480 km/h. The wings of the plane are tilted at 40 degrees to the horizontal. What is the radius of the circle and how long does it take the plane to complete one full circle?

13. ## Chemistry -pls help urgent

1) How do I prepare 2M nitric acid from 65% concentrated nitric acid? 2) How do I prepare 17% ammonia from 25% concentrated ammonia? Please show calculation steps. Thanks.

14. ## chemistry

The "Chemistry in Focus" segment A Magnetic Moment discusses the ability to levitate a frog in a magnetic field because electrons, when sensing a strong magnetic field, respond by opposing it. This is called diamagnetism. Atoms that are diamagnetic have

15. ## Physics

1. a car traveling on a dry road with a velocity of +32.0m/s. The driver slams on the breaks and skids to a halt with an acceleration of -8.00m/s^2. on an icy road the car would have skidded to a halt with an acceleration of -3.00m/s^2. how much further

16. ## Science

Caluculating Mass! You push yourself on a skateboard with a force of 30 N and accelerate at 0.5m/s 2. Find the mass of the skateboard if your mass is 58 kg.

17. ## science

Calculate the molarity of 500. mL of solution containing 21.1 g of potassium iodide

18. ## PHYSICS

The boy on the tower (20 m) throws a ball a distance of 60 m. At what speed, in m/s, is the ball thrown? Please Help!! Thanks!!

19. ## calculus

(1 pt) A new software company wants to start selling DVDs with their product. The manager notices that when the price for a DVD is 15 dollars, the company sells 132 units per week. When the price is 27 dollars, the number of DVDs sold decreases to 84 units

20. ## allied health

When HIPAA requires authorization to disclose information, the authorization must? a. conform to the releases customarily used by that particular health care provider. b. conform to releases customarily used in that state. c. include all identifying

21. ## PHYSICS

The boy on the tower (20 m) throws a ball a distance of 60 m. At what speed, in m/s, is the ball thrown?

22. ## english

explain the process by which Hrothgar wins power and fame.

23. ## geography

What large body of water is west and northwest of the Fertile Crescent? Black Sea Thanks

24. ## physics

a 60kg man is on a steadily rotating Ferris wheel. the man is standing on a bathroom scale and the scale reads 45kg at the top of the wheel. take g=10m/s^2 (a) what does the scale read when the man is at the bottom of the wheel? (b)what does the scale read

25. ## physics

A water balloon is dropped from the top of a building. Assume the balloon does not break when it strikes the ground. If the water balloon falls a distance of 21m, what is the maximum temperature rise of the water balloon due to it being dropped?

26. ## chemistry

what two conditions must be met by a thermochemical equation so that its standard enthalpy change can be given the symbol delta Hf?

27. ## physical science

Lead is a soft, dense metal with a specific heat of 0.028 kcal/kg·C°, a melting point of 328.0°C, and a heat of fusion of 5.5 kcal/kg. How much heat must be provided to melt a 202.2 kg sample of lead with a temperature of 20.0°C?

28. ## physics

A car is stopped at a traffic light. It then travels along a straight road so that its distance from the light is given by x(t) = bt2 – ct3, where b = 2.40m/s2 and c = 0.120m/s3. (a) Calculate the average velocity of the car for the time interval t = 0

29. ## chem

What are the basic units-single atoms, molecules, or formula units-that compose each of the following substances? a)N2 b)MgCl2 so.. my choices are single,molecules or formula units. i think a) is molecule and b) is formular units can yyou check my answers?

30. ## allied health

which one of the following steps can shield against discovery of an incident report? a. conducting a peer review b. following HIPAA regulations c. invoking the work product doctrine d. reporting to the NPDB

31. ## Math

The 24 students in Ms.Cleary's homeroom are surveyed. They are asked which of the several prices they pay for a ticket to the school fasion show Results: \$1.00-20 \$1.50-20 \$2.00-18 \$2.50-15 \$3.00-12 \$3.50-10 \$4.00-8 \$4.50-7 A. There are 480 students in the

32. ## chemistry

Aqueous sulfuric acid is neutralized by aqueous potassium hydroxide. Express your answer as an ionic equation. Identify all of the phases in your answer.

33. ## PHYSICS

The launching velocity of a projectile is 20 m/s at 53 degrees above the horizontal. What is the vertical component of its velocity at launch? Its horizontal velocity? Neglecting air friction, which of these components remains constant throughout the

34. ## chemistry

Consider HA- the intermediate form of a diprotic acid. Ka for this species is 10-4 and Kb is 10-8. Nonetheless, the Ka and Kb reactions proceed to nearly the same extent when NaHA is dissolved in water. Can anyone explain that?

35. ## PHYSICS

A flatbed truck of mass 2000kg traveling 20 m/s (about 45mph)carries a load of mass 500kg positioned 3 meters behind the cab. The load is kept on the truck by friction, and the coefficient of friction between the load and the bed of the truck is 0.5. What

36. ## calculus

(1 pt) The following table gives the cost and revenue, in dollars, for different production levels, q. Answer the questions below. q 0 100 200 300 400 500 600 R(q) 0 540 1080 1620 2160 2700 3240 C(q) 650 915 985 1115 1270 1870 2605 At approximately what

37. ## Chemistry

A 5.00 gram sample of aluminum pellets (specific heat capacity = 0.89 J/g*C) and a 10.00 gram sample of iron pellets (specific heat capacity = 0.45 J/g*C) are heated to 100.0 *C. The mixture of hot iron and aluminum is then dropped into 97.3 gram of water

38. ## math

What number is 240 less than 250?

39. ## physics

A 155 N box is placed on an inclined plane that makes a 30.0° angle with the horizontal. Find the component of the weight force parallel to the plane's surface.

40. ## AP Calculus AB

A helicopter pilot drops a package when the helicopter is 200 ft. above the ground, rising at 20 ft/sec. How long will it take for the package to hit the ground? What is the speed of the package at impact? I know you set s(t) equal to zero, so

41. ## chemistry

Can someone help me with this question? what two conditions must be met by a thermochemical equation so that its standard enthalpy change can be given the symbol delta Hf?

43. ## math

Marion has 4 cards, Jake has 4 cards, and Sam has 3 cards. Can you write a multiplication sentence to find how many cards they have in all? Explain.

44. ## HRM

Contrast pay ranges and grades with bands. Why would you use either? Does their use assist or hinder the achievement of internal alignment? External competitiveness?

45. ## accountig

Continuing Cookie Chronicle 1 Continuing Cookie Chronicle (Note: This is a continuation of the Cookie Chronicle from Chapters 1 through 7.) CCC8 One of Natalie’s friends, Curtis Lesperance, runs a coffee shop where he sells specialty coffees and prepares

46. ## allied health

Which of the following is true about HIV testing? a. testing isn't normally necessary as HIV symptoms manifest early and are distinctive. b. A positive HIV test result doesn't require follow-up tests, due to the high accuracy of the testing. c. Some HIV

47. ## physics

an automobile with the mass of 2000 kg is moving north on a level, striaght highway with a constant velocity of 80 km/h. what is th unbalanced force acting on the automobile

48. ## government

Which of the following is eligible to run for the presidency: a 45-year old banker who was born and raised in Wyoming or a 30-year-old State legislator who was born in Virginia, lived abroad for 10 years, then returned to Virginia?

49. ## chemistry

What is the maximum number of Cs+ ions that can be produced per joule of energy absorbed by a sample of gaseous Cs atoms? Do you start by knowing the ionization energy for Cs. I really need assistance.

50. ## physics

I have two equations: #1) Tcos(theta)- 6.86=0 #2) Tsin(theta) = mass X acceleration I know that my acceleration is velociy squared/ radius (my given radius is 40cm) I'm supposed to solve for T and angular acceleration. I know I'd be able to do that if I

51. ## Maths

I have 50 coins, some 10c and the rest 20c. Altogether they total \$8.20. How many of each coin do I have?

52. ## calculus

Determine if the function is even, odd or neither. f(x)=x^3-x^2-8x+4

53. ## physics

A golfer imparts a speed of 32.1 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation. (a) How much time does the ball spend in the air? (b) What is the longest "hole in

54. ## government

“What features of the Constitution make it difficult for government to do or achieve anything? Why were they included?

55. ## chemistry

What is the final temperature of a 52 gram glass of water at 2.0 C if it absorbs 3.0 J heat?

56. ## Chemistry

a paste of sodium hydrogen carbonate (sodium bicarbonate) can be used to relieve the pain of an ant bite. The irritant in the ant bite is formic acid (HCOOH), a weak acid. Which is the net ionic equation for the reaction that occurs? I know the reactants

57. ## English 2

Which hero's story, King Arthur's or Sundiata's, has the more relevant message for young people today? Compose an essay that answers this question, giving at least two examples from the selections and applying them to issues young people face today. I

58. ## allied health

which of the following is true in regard to limited data sets> a. Patients must authorize the use of limited data sets. b. those !@#\$%^&ceive limited data sets can pass them on without restrictions c. limited data sets can't include a patient's city,

59. ## Chemistry

A 30.0 gram sample of water at 280. K is mixed with 50.0 grams of water at 330. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.

60. ## algebra

the length of a rectangular jewlery box is 6 inches more than twice the width. the perimeter is 54 inches find length and width.

61. ## grammar

in the sentence "He felt hungry and thought about the lunch wrapped in his handkerchief." which are the linking verbs and which are the action verbs?

find two boxes that will hold HALF as many centimeter cubes as the 3 centimeters by 4 centimeters by 6 centimeters box. what would the dimensions of each box be. dimensions of the first box dimensions of the second box.

63. ## physics

During an Olympic bobsled run, the Jamaican team makes a turn of radius 7.6 m at a speed of 96.6 km/h. What is their acceleration in terms of g?

64. ## math

round the following number to the nearest hundred 6,952

65. ## HELP! INTRO TO ECO

Why do supply curves slope upward from left to right? Why don't we sometimes draw them sloping downward from left to right? Under what conditions would it be sensible to draw a supply curve that is horizontal(perfectly elastic)? Under what conditions would

66. ## English1

what is the meaning of the phrase "as thick as flies around a sorghum mill'

67. ## math 20 system of equations

I have been solving system of equations graphically and using addition and subtraction and now I'm being asked: Give any linear system of two equation that has a solution of (3,5). Does it have to be in y=mx+b form and if so how do I do it? I've been

68. ## math

The product of two numbers is 180. The LCM of the two numbers is 60. What is the GCF of the two numbers? How do you know?

69. ## chemistry

Calculate the value of the equilibrium constant, Kp , for the following reaction at 298.0 Kelvin. (Use the reaction free energy given below.) 2SO3 = 2SO2 + O2 in the gaseous state ΔG = 140.0 kJ/mol

70. ## math

Eric and Cindy are avid cyclists living in cities 150 miles apart. Eric begins riding toward Cindy at noon, traveling 18 mph. Cindy begins riding toward Eric at 2 pm, traveling 12 mph. At what time will they meet? How far does each travel?

71. ## health

If disclosure of PHI is permitted under HIPAa, what is disclosed? a. all information the particular doctor has on that patient b. information the doctor thinks should be disclosed c. the minimum necessary to accomplish the purpose of the disclosure d.

72. ## algebra2

in the chess club, the ratio of boys to girls is 6:5.there are three more boys than girls in the club. how many members are in the club?

An open box (has a bottom but no top) needs to be constructed which has a volume of 500 cu. in. The bottom of the box is to be a square. Let x be one of the sides of the bottom. Express the area of the four sides and bottom of box as a function of x alone.

74. ## chemistry

Calculate the value of the equilibrium constant, Kp , for the following reaction at 298.0 Kelvin. (Use the reaction free energy given below.) 2SO3 = 2SO2 + O2 in the gaseous state ΔG = 140.0 kJ/mol

75. ## marketing

A manufacturer of a new product for whitening teeth would like to investigate the effects of package design and label information on consumer’s perceptions of the product and their intentions to buy it. Would you advise the manufacturer to use

76. ## Chemistry-DrBob222

What is the effect of a base on blue litmus paper? There would be no effect right? Because it it was a red litmus paper then it would turn blue.

77. ## Physics

The siren of a police car produces a sound of frequency 420Hz.A man sitting next to the road notices that the pitch of the sound changes as the car moves towards and then away from him.1- WRITE DOWN THE NAME OF THE PHENOMENON. 2-ASSUME THAT THE SPEED OF

5 - sqrt of 20x + 4 >= -3 5- 20x + 4 >= -3 5-4 - 20x >= -3 1 - 20x >= -3-1 -20x >= -4 x

79. ## physics

What is the angular velocity in radian per second of a satellite that has an orbital velocity of 9000 m.s^-1, orbiting at a distance of 6500 km from the center of the earth

80. ## PHYSICS

Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is

81. ## math

14 divided by 6.3

82. ## physics

April releases a rock at rest from the top of a 40 m tower. Ignoring air resistance, what is the speed of the rock as it hits the ground? ( g = 9.8 m/s/s)

83. ## geology

1. Given the map, the seismograms, the sp graph and the nomogram below, find the epicenter and the intensity of the earthquake. 2. Given the map below find the distance between Sao Paulo (Brazil) and Cape South Africa 10,000,000 years from now. The actual

84. ## Chemistry

the hydrated salt is overheated and the anhydrous salt thermally decompose, one product being a gas; will the reported value of x be too high,low on the unaffected? explain.

85. ## Physics

A duck has a mass of 2.3 kg. As the duck paddles, a force of 0.08 N acts on it in a direction due east. In addition, the current of the water exerts a force of 0.21 N in a direction of 55° south of east. When these forces begin to act, the velocity of the

86. ## algebra2

the ratio of the length to the width of a rectangle is 5:4. the perimeter of the rectangle is 72 inches. what are the dimensions of the rectangle? i got 40 and 32, am i right?

87. ## MAth

Make a tally chart for the numbers of students in the third-,fourth-,and fifth-grade classes:26,25,27,27,26,28,27.

88. ## physics

A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe,

89. ## Science

Explain the difference between Qualitative and Qualitative Observation? Can you give examples.

90. ## chemistry

is CO2 a single atom or molecules?

91. ## math 116

The table lists data regarding the average salaries of several professional athletes in the years 1991and 2001 year salary A) use the data points to find a linear function that fits the data B) use the function to predict the average salary in 2005 and

92. ## allied

which one of the following steps can shield against discovery of an incident report? a. conducting a peer review b. following HIPAA regulations c. invoking the work product doctrine d. reporting to the NPDB I think it's b

93. ## calculus

find functions f(x) and g(x) so that f(g(x))= sqrt(tan(3x^2 - 7)) Would this work??? g(x)= 3x^2 -7 f(x)= sqrt(tan(x))

94. ## PHYSICS

Harry and Angela look from their balcony to a swimming pool below that is 15 m from the bottom of their building. They estimate that the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in reaching the pool. What is

95. ## Math

Write all the prime numbers between 15 and 25.

96. ## physics

A hunter aims horizontally at a target 120 m away. If the bullet travels the gun at a speed of 250 m/s, by how much will it miss the target?

97. ## Math find the limit.

Evaluate the limit, if it exists. (If it does not exist, enter NONE). lim h→0 (3 + h)3 − 27 _______________ h

98. ## Finance

Company reported \$9,000 of sales, \$6,000 of operation costs other than depreciation, and \$1,500 of depreciation. The company had no amortization charges and no non-operation income. It had issued \$4,000 of bonds that carry a 7% interest rate, and its

99. ## English 9

Write a character description. Choose a person you know well, and identify one of his/ her character traits. Then, chose two or three incidents in which that person revealed that trait. - The first sentence nees to be your topic sentence and use a specific

100. ## architecture

In terms of materials, techniques, innovations, purposes, and ideas, discuss the difference in Greek and Roman architecture? I also need specific examples to support these points? I have -Greek architectural order, Doric, Ionic and Corinthian

101. ## American Culture

In this week’s video, Bill Goodykoontz talks about morality and ethics in pop culture. The freedom of speech and expression allows a variety of pop culture media to be released, which may sometimes be offensive material. Can pop culture still have

102. ## IPC

which one of these is true? Which of the following statements is true? 1) The freezing and boiling temperatures of a substance are the same. 2) The freezing and condensation temperatures of a substance are the same. 3) The freezing and melting temperatures

103. ## Chemistry

A gas sample is connected to a closed-end manometer. The difference in mercury levels in the 2 arms is 115 mm. What is the gas pressure in torr if the atmospheric pressure is 750. torr?

104. ## North & Central America

how the physical factors influence the economy of the Rocky Mountains and how the economy in turn has affected the physical features?

105. ## physics

A boulder rolls off a cliff that is 20 m above the surface of a lake with an initially horizontal speed v0. What minimum initial speed must it have to land on the plain? Hint: it must just avoid striking the dam which is 100 m away from the base of the

106. ## MATH

The volume V of a gas varies inversely as pressure P is exerted. If V = 4 liters when P = 3 atmospheres, find V when P = 7 atmospheres. Note: Round your answer to the nearest hundredth

107. ## Calculus based Physics - Springs

A 0.49 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (k = 640 N/m) whose other end is fixed. The ladle has a kinetic energy of 260 J as it passes through its equilibrium position (the point at which the

108. ## Computer Flowcharts

A department store pays its salesperson only by commission. A salesperson receives a commission of 25% on all sales if he/she has sold at least \$50,000 worth of merchandise in a pay period. But only 15% if his/her sales are below \$50,000. Develop a

Three years ago, Two of the smarter girls in my class had there fat brother intentionally rob me. Accidentally, I hit the robber with my purse. Than I ran quickly around the corner. The fat robber could not find me. Finally, the fat robber ran after me but

110. ## chemistry

rubidium is the fourth element in group 1. predict the following properties of rubidium and its compunds: A. appearence B. hardness C. reaction with water D. appearance and solubility of rubidium chloride E. electrical conductivity

111. ## college

You are replacing an old piece of machinery with a new one that offers improved technology and efficiencies to your company. The new machine will cost you \$50,000 and it will provide you with a cash inflow of \$10,500 PER YEAR for the next 7 years. You can

112. ## Physics

A mine shaft is known to be 57.8 m deep. If you would drop a rock down the shaft, how long would it take for you to hear the sound of the rock hitting the bottom of the shaft knowing that sound travels at a constant velocity of 345 m/s? The answer is

113. ## English

Can you please prove read my new essay using the checklist.The last one you guys helped me with was wrong because I didn't follow the checklist well and please tell me what I am missing. Thank you. (Quote) "Be good and you will be lonesome” Anecdote: It

114. ## History

I am reading the Jungle and have not yet finished reading it I still have a long way to go and its due next week. I am reading this because a have to do a book review and one thing I must include in my assignment is an analysis of the strengths and

116. ## math

Neglecting wind resistance,the height,h,in feet, of a sky diver,t,seconds after she junps from an airplane 1,648 above the ground is given by the formula h=-16ft square +1648. If a parachute opens 4.5 seconds after a sky diver leaves the airplane,about how

117. ## chemistry

Calculate the mass of KI in grams required to prepare 7.00 multiplied by 102 mL of a 2.60 M solution

118. ## spanish

La a personal When should you use the personal a? Decide whether or not you need to use the construction in the following sentences. Don’t forget that a + el = al! If the personal a is not required, leave the field blank. 1.Yo no conozco Bogotá. 2.Mis

119. ## Organic Chemistry Lab

For the "ISOLATION OF CHLOROPHYLL AND CAROTENOID PIGMENTS FROM SPINACH" we have to do a purification scheme and from spinach (which contains pigments, water, sugars, waxes, cellulose, starch and salts,) after grinding with acetone, and then centrifuged, I

120. ## trig

Find the graph y = 2sin x + cos(2.5x) over the interval

121. ## maths

In a test there were 25 multiple-choice questions. They were marked as follows: 2 marks for each correct answer 0 marks for a non-attempt 1 mark for an incorrect answer. Sarah attempted 4 5 of the questions and received 22 marks. How many questions did she

122. ## statistics

From a jar of marbles containg 4 blue marbles, 3 yellow marbles, 2 red marbles, and 1 magenta marble, you draw two marbles with replacement. Determine the following probablilites. a. P( red then blue) b. P(yellow and yellow) c. P(red/yellow) d.

123. ## poetry

What is the secret to reading someone with words?

124. ## Geometry

Given: UR=VW Prove: UV=RW(Midpoint) Given: angleABE=angleDBC(Bisectors) Prove: angleABD=angleCBE

h=2.4t+32.2 paul's height is 69.4 inches. What is the approximate length, in inches, of paul's tibia bone?

126. ## Chem2

Copper(II) iodate precipitates from iodate solution. The formula of the precipitate is CU(IO3)2. A saturated solution of this substance was made in 0.01 M KLO3. The copper concentration was found to be 0.0013 M. Determine the [IO3-] and Ksp of the

127. ## accounting

can i get answers for pen foster exams#500843

128. ## Managerial Finance & Accounting

P10-9 Performance Evaluations (M324) - Objs. 2, 5 The Promotion and Advertising Department at Jefferson Corporation coordinates point of purchase promotions for its distributors. Employees of this department are graphic arts or marketing majors who develop

129. ## economic

Show graphically and explain how a policy that increases the productivity of the labor input in a labor abundant country affects the equilibrium terms of trade between that country and a capital intensive country (assume that L and K are the only inputs

130. ## stastic

Work all parts of each of the following problems, showing your work. If you need to use the templates, do so, but be sure to include the template output and interpret it. There is a handout on how to paste Excel output into Word in the classroom, under

131. ## Economics!

if a business firm operates indefinitely without covering any of its sunk costs,what happens to these costs? A.they continue unpaid for as long as the firm fails to make a profit large enough to cover them B.nothing happens to them;they have cease to exist

132. ## Trigonometry

a man has three golden spheres with radius 1mm,2mm,3mm,respectively. He plans to melt it and make a larger sphere. What will be the radius of the larger sphere?

133. ## allied health

if disclosure of PHI is permitted under HIPAA, what is disclosed? a.all states allow access to such information to anyone interested in it b. all states allow an adoptive parent or a guardian of an adoptee to access the information c. no state has the

you have 8 moving boxes that you can use to pack for college. each box holds 15 lbs of clothing or 60lbs of books. let c be the number of boxes that contain clothing. write a function that gives the total pounds T of the boxes in terms of the number of

135. ## english

For my assignment I have to find an advertisement, analyze it, and write my interpretation of it. I've done this, but I'm coming out short on words for the assignment. And I feel like there's nothing else that I can mention. I'm supposed to write 500 words

136. ## algebra

Use the distributive property to write an equivalent variable expression. -5(4j-1)

137. ## physics

What is the average density of the earth? M = 5.97 x 10^24 kg , R = 6370 km

138. ## Physic

A car starts from rest on a curve with a radius of 160 and accelerates at 1.40 . How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.70 ?

139. ## chemistry

can anyone tell me about the molecular orbital energy order in energy level diagrams????its molecular n not atomic..... plz tell me its very urgent!!!!

140. ## music through the years

how does ted try to trick linda into going off with him to dance in the movie holliday inn?

141. ## Algebra

Solve the equation by factoring: 6y^2+7y-3=-12y^2-54y+4 The answers are suppose to be -7/2, 1/9

142. ## french

Can you check these also thanks. Directions: Récrivez les phrases au passé composé. Le passé composé: être ou avoir. 1. Marie monte au troisième étage. Answer: Marie est monté au troisimème êtage. 2. Elle monte ses bagages. Answer: Elle a monté

143. ## Calculus

How do I solve for lim h->0 (((a+h)^2 + 1)/(3(a+h)+7) - ((a^2 + 1)/3a + 7)) and then all divided by h? The question was use the limit definition to find the derivative of f(x)= (x^2 + 1)/(3x + 7). I tried solving what I did above, but had no luck. I used

144. ## physics

a lift is moving downward with uniform acceleration to measure the acceleration a person in the lift drops a coin 6 ft above the floor of the lift . the coin strikes the floor in 1 second find the acceleration

145. ## Science

Can any one list the tasks and the precautions and give details of the job of a technician in the science industry. Many thanks.

find two boxes that will hold half as many centimeter cubes as the 3 centimeters by 4 centimeters by 6 centimers box. Thank you

147. ## chemistry

A water containing 1x10^-4 mol CO2/L and having an alkalinity of 2.5x10^-4 eq/L has a pH of 6.7. The pH is to be raised to pH 8.3 with NaOH. How many moles of NaOH per liter of water are needed for this pH adjustment? (pK1=6.3 and pK2=10.3)

148. ## geometry

Calculate the difference between the area of a circle with radius 2cm and square with side 2cm.

149. ## math

A man decided to give 12 pieces of candy to each of the girls in his town and 8 pieces of candy to each of the boys. Of the 612 children in his town, only half the girls and three quarters of the boys were allowed to take the candy. How many pieces of

150. ## English

Why is it important for author's to use imagery in literature?

151. ## physics

if a car was compacted into a cube would the weight change?

152. ## physics

What capacitance is required to store an energy of 13 kW·h at a potential difference of 940 V?

153. ## Maths

show that these curves y=2x^2+5x y=x^2+4x+12 y=3x^2+4x-6 have one point in common and find it coordinates?? is this done by simultaneous exuasion if so can you show me how because ive try and cant get it to work??

154. ## Chemistry-pls help urgent

Posted by candy on Tuesday, October 12, 2010 at 5:04pm. 1) How do I prepare 2M nitric acid from 65% concentrated nitric acid? 2) How do I prepare 17% ammonia from 25% concentrated ammonia? Please show calculation steps. Thanks. Chemistry -pls help urgent -

155. ## Math

As a rule of thumb, people should drink 1/2 ounce of water for each pound of body weight per day. How much water should a 145 pound person drink per day ? i know the answer is 72 1/2 ounces, but what technique should i use ????

156. ## college chemistry

When a sample of HI(g) (5.825 mol) is placed in 320.0 L reaction vessel at 702.0 K and allowed to come to equilibrium the mixture contains 1.052 mol of H2(g). What is the equilibrium concentration (mol/L) of HI(g)? 2HI(g) = H2(g)+I2(g)

157. ## PROBABILITY

There are 3 lucky tickets among 10 lottery tickets. 3 tickets are drawn at random. What is a probability that one ticket selected randomly from those three is lucky?

158. ## french

Can you check these it's based on Le passé composé: être ou avoir. Directions: Complétez au passé composé Les deux copines -----1------ (sortir) de la maison à neuf heures. Elles ------2------ (sortir) tous leurs bagages. Elles -----3---- (attendre)

159. ## History

How did Archaic Greece modernize

160. ## Health Information Technology

What does the ABC HIM management organizational chart look like?

which of the following would be the most useful strategy for learning to communicate effectively with international employees working in your overseas division? A. Devote time to learning the rules for communicating with people from each of the countries

162. ## geometry

how do I solve m

163. ## algebra2

the basketball team has played 21 games. the ratio of win to loses is 5:2. how many games has the team won?

164. ## Math

I need help on adding up fractions that denomonators arent the same HELP

165. ## chem

Determine the number of each type of atom in each of the following formulas. (a) Ba(OH)2(subscript) Ba 1. O 2. H 3. Ba thanks

166. ## Chemistry-DrBob222

Give some examples of where the term pH is used in your everyday life. Can you see if these are good examples I've given: -Shampoos ~ hair needs the correct amount of pH -Food ~ needs to have correct level of pH What else?

167. ## economics

do you believe there are opportunity costs to furthering your education. if so what are they if not why

168. ## Algebra 2

Let (x1,y1) be a solution, other than (0,0), of a direct variation equation. Write an second direct variation equation whosegraph is perpindicular to the graph of the first equation.

169. ## Algebra

Please show steps need help! 7y + 1 < y - 5

Hi, I'm totally stuck! Problem: sqrt(x-3) = sqrt (2) -sqrt(x) I know I square them to get them out of square roots but after that I'm stuck- answers: -25/8 25/8 no solution 1/8 Please show me how its done Thank you

171. ## chemistry

use logic and simple math to determine how long it will take for a sample of potassium- 42 to decay from 8mg to 0.25mg if the half-life of this radioactive isotope is 124 hours

172. ## English

I forgot to include the following statements.Thank you very much. Can you please check if the following sentences are possible? Thank you. 1) The best things he found were two pairs of shoes and a box full of money. 2)Robinson was made a slave of the

HOW TO CONVERT IN TO MM?

174. ## math sketch

how do you sketch these graphs: k is a positve constant: y=(x+k)(x-2k) and y=x(x-k)(x-5k)

175. ## law

should the powers of the court of appeal within the doctrine of precedent be extended

176. ## Health

How to develop a filing system and determine the number of shelves and the like that will be needed. hospital has asked to keep hard copy records for 4 years. number for the first year 25,000, 2nd - 28,000, 3rd - 32,000 and fourth 40,000

This is Geometry homework 7x+2y=10

178. ## Probability

A card is drawn at random from a deck of 52 cards. What is a probability that it is a King, given that it is a face card (J, Q, K)?

179. ## physics

a truck is traveling to the right and slowing down. If we define a positive displacement to be motion to the right, the truck has...What Velocity and acceleration?

180. ## AP Chemistry

The buoyant force on a balloon is equal to the mass of air it displaces. The gravitational force on the balloon is equal to the sum of the masses of the balloon, the gas it contains, and the balloonist. If the balloon and balloonist together weight 175 kg,

181. ## history

Describe the daily lives in Medieval Europeans, homes, occupations, education, and leisure activities.

182. ## english

Is this correct? some of nurses were busy of taking care of their patients and also not happy

183. ## Math

Which of these lengths could be the sides of a triangle? 1) 20, 7, 14 2) 12, 22, 8 How would I determine this? When I tried it 1) 245=400 and 2) 208 = 484

184. ## math

find all zero's for 2x^4-11x^3+16x^2-x-6 im needing the complex, rational, irrational, and all of the zero's

185. ## geometry

what the length of ac AC = 2x - 7 and BC = 5x - 25.

186. ## Mathematics for Liberal Arts

Casinos make their money by skimming off the small percentage difference between winning and losing often found in gambling. In this problem, we want to estimate how much a casino make winning 51% of the time, while the patrons win 49% of the time. a)

what is 344,000,000 in scientific notation?

188. ## Chemistry-DrBob222

What would the pH value for grapefruit juice be? >7, 7,

189. ## math

is this correct for writing 8 9/125 = 8.138 or is it 8.72 as a decimal?

190. ## Chemistry

I am required to design an experiment which will allow me to produce exactly 12.5g of pure dry Copper Hydroxide. I need to include equipment required, Chemicals required, step by step method and any particular limitations/cautions which must be exercised

191. ## math word problem

In the U.S., we often write dates such as July 4, 1776, as 7/4/76. In other countries, the month is given second and the same date is often written as 4/7/76. If you do not know which system is being used, how many dates in a year are ambiguous? 144 132

192. ## Math

I have a work sheet on probabilities. IMPOSSIBLE (0) UNLIKELY (1/4) EQUALLY LIKELY (1/2) LIKELY (3/4) CERTAIN (1) I have to write at least two things under each listed, and I don't know how to do this

Posted by Megan on Tuesday, October 12, 2010 at 3:44pm. I have a question if someone could help, please explain it. Given b = -1 and h = -1, what is the equation of the graph if the parent function is y = sqrt (x) Answers: a.y = sqrt(x-1) b.y = sqrt (-x+1)

194. ## statistics

find the probability that the sample mean falls between 1.6 and 2.2. what value will you now use for the standard deviation. (Find the standard error of the mean) Mean is 1.5 and standard deviation is .25

195. ## Calculus

calculate the first 30 partial sums for: A)1- 1/2 + 1/3 - 1/4 + 1/5 -... B) 1 + 1/3 - 1/2 + 1/5 + 1/7 - 1/4 + 1/9 +1/11 - 1/6 +... C)1 + 1/3 + 1/5 - 1/2 + 1/7 + 1/9 + 1/11 - 1/4 +... Then estimate what A and B converge to and estimate the error.

196. ## Math

Of the 43 U.S. presidents,15 were elected to serve two terms.What fraction of the U.S. president,in simplest form,was elected to serve two terms?

197. ## algrabra

the table lists data regarding the average salaries of several profssional athletes in the years 1991 and2001 a) use the data points to find a linear function that fits the data b) use the function to predict the average salary in 2005 and 2010 in 1991 the

198. ## science

can you list the things that causes weathering?Please.

199. ## Physic

A car starts from rest on a curve with a radius of 160 and accelerates at 1.40 . How many revolutions will the car have gone through when the magnitude of its total acceleration is 2.70 ?

200. ## Probability

Four red and seven black beans are placed into a bag. If one of the beans is selected at random, determine the odds against the bean being red.

201. ## math

what is 13 3/20 in decimal form? or how do you writw 13 3/20 in decimal form?

202. ## history

how did progressivism affect the role of theral government in the early 1900s

203. ## Chemistry

I just took my Chemistry midterm, and would like to know how to calculate my grade on the midterm with the curve. MEAN = 8.9 STANDARD DEVIATION = 2.9 MY SCORE = 7 Thank You!

204. ## 5 th grade math

The scores earned by the students on a recent assignment are listed below. what are the maximum and minimum of the scores? 74,80,80,83,84,85,90,87,91,92,91,93,81,95,73,82,78,94. maximum______? minimum______? please help me with this problem thank you!!

205. ## ap chemistry

How do i wrtie the complete balance equation for this situation: A magnesium coil is dropped in perchloric acid solution.(molecular and ionic equations)?

206. ## Chem

I got one more question. I tried to figure out what should it be. But still I don't have idea yet... Help me please.... The question is The expected absorbance range for the solutions to be tested is between 0.01 and 0.1. Describe what Simon will need to

207. ## health fitness

how does my fitness lever affect me physically, emotionally, financially, and socially?

208. ## Calculus

I know what the graph of: y=cos^-1(cos(x)) looks like. However, can someone explain to me how you would know how to sketch it without simply subbing in values to get points. Something about restrictions and how it is a periodic function possibly?

209. ## college AP Chemistry

if a metal ore contains 22.5% pure metal how many pounds of pure metal can be obatained from 36 pounds of metal ore? anser in units of pounds.

210. ## Maths

how to write a more than or equal to sign?

211. ## Biology

what are 2 places genes are found in animal cells and what are 3 places genes are found in plant cells?

212. ## Comm/155

I am trying to write a brief paragraph using five adverbs and five adjectives in describing my experience with credit and credit cards?

213. ## Maths

What is the perimeter formula for an equilateral triangle?

214. ## Shapes

Find the pronumeral. In a parallelogram the 4 angles are (3m+16), (4n-16), 68 and 68. Find the pronumeralsm and n and write the equation for the problem

215. ## Calculas

Suppose that the radius r of a right circular cone of fixed height h = 30 cm is increasing at a rate 10 cm/s. How fast is the volume increasing when r = 15? Give your answer correct to two decimal places.

216. ## health

what is the function of the CDC, WHO & local health departments?

217. ## health

what type of structure would indicate areas of responsibility and lead to the most efficient operation of a facility?

218. ## Maths

If the numerator and denominator of the fraction 4 9 are both increased by a certain value, m, the fraction then becomes equal to 3 4. Calculate this value.

219. ## computer science

What type of solution is formed when steam from boiling water evaporates into the air?Explain.

220. ## SraJMcGin

Can you help me with the passé composé: être and avoir. I understand when to use être and avoir but I don't know if I'm supposed to add an extra e or ees for the verbs.

4/6788

222. ## ethics and society

Are the accountability systems put in place within our public service agencies working best as an escape route for those elected to govern the agency or as a tool of transparency for the interest of the people who elected them?

223. ## chemistry

a stone ax head was dug up at an arcchaeological site. it was estimated to be about 3,200 years old. is it possible that its age could be determined using carbon- 14?

how does puerto rico communicate different than the United States? Need atleasts 5 different ways.

225. ## ath 116

the table lists data regarding the average salaries of several profssional athletes in the years 1991 and2001 a) use the data points to find a linear function that fits the data b) use the function to predict the average salary in 2005 and 2010 in 1991 the

226. ## algebra 1

A rectangle has a perimeter of 12x + 20 and a width of 2x + 8. What is the length of the rectangle?

227. ## chemistry

How many grams of cadmium must react to displace 13.0 g of copper from a solution of copper nitrate?

228. ## philosophy

In mediation 3 what does it mean to have the formal/inherent reality of things and the objective/representative reality of ideas? Thanks, Jenna

229. ## college

the area A of a triangle is calculated as A= 1/2 hB. If the height h is 12 feet and the base B is 4 feet long, what is the area, in square feet?

230. ## college

need help in financial accouting

231. ## algebra

factor out the GCF 6x^2-10x

232. ## statistics

Considering that a researcher can test at the

233. ## US history

In writing the Declerationf Independence, Thomas Jefferson was influenced most by John Locke's idea of 1 due process of law 2 natural rights 3 the rights of the accused 4 the right to privacy Is the answer 2 ?

234. ## tangential speed and accelerations

A helicoptor bladehas an angular speed of 6.50 rev/s and has an angular acceleration of 1.30 rev/s. point 1 on the blade is 3.00m and point 2 is 6.7m. Can you find the speeds of A) the tangential speeds and B) the tangential accelerations?

235. ## math

f(t) = t^2 − 1 Find the equation of the line tangent to the graph of f(t) at t = 5. Enter the equation of the tangent line here (in terms of the variable t): y =

236. ## math

solving problems and crimes..can you solve the following cases? 1) what letter belongs to in the empty box? O T T F F S S E 2) write a sentence to describe this pattern.. 3,8,13,18,23,28,30,31,32 please help i don't understand.

237. ## Math

An experiment has three possible outcomes: A,B, and, C. If P(A)=P(B) and P(C)=2P(A)what is the probability of each event? Hint: We know that in this case, P(A)+ P(B)+P(C)=1; therefore,P(A)+P(A)+2P(A)=1 Please Help :)

238. ## decimals

how do you write 12 1/8, 13/25, and 8 9/25 as a decimal?

239. ## math

how do you write 13/25 as a decimal?

240. ## chem

how do you tell the difference between an ionic or a molecular compound? thanks

241. ## paste

solve by the substitution method 3x+5y=21 x=51-9y

242. ## his1865

How did the actions of the great Britain contribute to the outcome of the war?

243. ## Math

Express 55 minutes as a fraction on 1 1/3

244. ## substitution

solve by the substitution method 3x+5y=21 x=51-9y

what is the lcm of 15,25

Could you check these two problems? 3sqrt (y+2) = 3 is y = 25 Answers were: true or false I said true because I did it like this Square both sides=y + 2 = 3^3 y+2 = 27 y = 25 and sqrt (2y-6) = 3-y for y answes are: no solution 5 3,5 3 I said 3 because I

247. ## Calculus

Give an Example where f(x) is greater than or equal to 0 but f(x) is not decreasing and the integral converges while the series diverges or vice versa.

248. ## graph on a plane

graph the inequality on a plane 3x+4y is less then or equal to 12

249. ## graph on a plane

graph the inequality on a plane 3x+4y is less then or equal to 12

250. ## English

Can you please explain this to me in a simpler way. Thank you Metaphors are used to help us understand the unknown, because we use what we know in comparison with something we don't know to get a better understanding of the unknown.

Please check- sqrt of 2x + 15 = x Answers: -5.3 -3.5 -3 5 I think according to my calculations it would be 5, correct? sqrt root of 7-x = 3-solve for x Answers: -2 2 4 -4 My choice would be 2 Is that correct- I squared both sides and came out with 7-x = 9

how do you draw a centimeter box with the dimensions 3 by 4 by 12 centimers which = 144 cubes?

253. ## math

y=x^2-3x+c and y=k-x-x^2 meet at (-2,12) what are the values of c and k?? omg ive tried 100 ways but cant find the correct ans...please help?? Thank You

254. ## Calc.

Calculate the following: a) Find g(f(1)) b) Find lim x-> 1+ g(f(x)) c) Find f(g(0)) d) Find lim x->0- f(g(x)) f(x)= 1-x, x1 g(x)= -x, x0 This is where it gets hard. I have a graph for f(x) and one for g(x). I will explain them. The graph for f(x)has an

255. ## History

what were the causes and effects during DeValera’s era in ireland that created the belief that evil in literature and journalism came from abroad and that censorship was necessary to preserve Irish identity?

256. ## english

what is the difference between watching a movie and a play?

257. ## Math

make up a data set of at least 12 numbers that have the following landmarks. maximum 18 mode 7 range 13 median 12

258. ## Math

Consider the regression through the origin model y = bx Assume that there are n pairs of observations of the response and the explanatory variables, and that these observations are indexed by i. Derive the least-squares estimator for the slope parameter b

259. ## calculus

find,if any, an equation for a common tangent line to these 2 curves:5x^2;and 5x^2-x+6

260. ## Geography

How do I calculate gradient when I end up with and odd number: I understand the example, which ends up 80m/1600m = 1/20 therefore the answer is 1:20. However what do I do when I have an answer like 637/2200, which is an odd number, how does this then

261. ## chemistry

sodium is a very good conductor of electricity and scientists are working on ways of using it to make electrical wires. what are the main problems the scientists must try to solve before sodium can be used in this way?

262. ## Chemsitry

I just took my Chemistry midterm, and would like to know how to calculate my grade on the midterm with the curve. MEAN = 8.9 STANDARD DEVIATION = 2.9 MY SCORE = 7 Thank You!

263. ## Physics

A car travels a total distance of 3.22911x10^2 m to the East in 6.7135x10^1 s. What is the speed of the car, in m/s with 4 significant figures? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10

264. ## English 9

For our assignment we have to choose an advertisement either in a magazine or on TV and describe how it appeals its audience. Are there any ads that would work well here?

265. ## Math

the vector u makes angles α(alpha), β(beta), γ(gama) with respectively the X–axis, the Y –axis and the Z–axis. Find γ if α = 2π/3 and β = π /4

266. ## Math

Show that the angle between the vector joining (a, b, c) and (b, c, a) and the vector joining (a, b, c) to (c, a, b) is equal to π/3

267. ## calculus

if f(x)=ln(x^3 +1) find f'(3), correct to 2 decimal places

268. ## Chemistry

Why do Oxygenated fuels contain less energy than hydrocarbons?

269. ## Algebra

trains a and b are traveling in the same direction on parallel tracks. train a is traveling at 60 miles per hour and train b is traveling at 80 miles per hour. train a passes a station at 9:10 am. if train b passes the same station at 9:25am, at what time

270. ## History

Could the US have avoided entry into World War I?

271. ## calculus

Find the equation of the tangent line to the graph of f(x)=4x^3-1x^2+1 at x=-2.

272. ## Chemistry

What are the names of the following formulas:- [AL(CN)4]^(-1) [V(CO)4CII)^(+1) [MN(H20)3CL]^(3+) [FE(SCN)3F3]^(3-) What are formulas for the following names:- Bromotrihydroxomercurate (I)

273. ## Chemistry-DrBob222

Is HBr an acid? I got mixed up between telling if its a salt or acid, but salts do not have H+ ions, so would it be an acid?

274. ## health

what are the major types of hospitals and how do they differ?

275. ## Science

Recently a tornado hit Brooklyn and Staten Island. The sky turned dark green and rain poured in to there. Trees fell which led to street closures accidents and mass transit delays. How are tornados like these evidence that air is matter?

276. ## geography

if a city has a latitude of 45 degree south, what can you infer about their climate.

277. ## Science

what is the chemical formila of internal respiration?

278. ## Calculus

The integral from 1 to 5 of 1/x^2*(times) the square root of 1+(1/x)dx. i've had tried this problem over and over again and cannot get the correct answer. Please help. thanks

279. ## algebra

What are the solutions to the equation? What is the process in the solutions? (x-2),(x+4)=0

280. ## math

It is grater than 7 tens and less than 8 tens. The number has 4 ones

281. ## physics

If i have 3 different uncertainties how do i get the average uncertainty of the three? For example ±.3 , ±.2 , ±.3 how do i find the average uncertainty of the three?

282. ## AP Lit.

I have to write a personal statement and I have a very unintelligent question. I'm trying to start off my statement with this "anecdote-ish" type thing. Is the below paragraph formated properly: Rawr! "There are monsters in my closet!" I screamed. And as I

283. ## Social Studies

What would be a good cover picture for European Exploration?

284. ## stats

Mean is 60 and standard deviation is 7. what percentage is 73 and below.

285. ## US History

During the Civil War, a total of 388,580 soldiers died of disease. How do you think the deaths from disease affected soldier's morale? Need help with this. Thanks -MC

286. ## English

Could you please check the following sentences, please? 1) He kept himself busy by keeping (?) record of how long he had been on the island.He made a mark for each day he had been on the island. 2) He decided to build himself a house in a cave. He found a

287. ## chemistry (oxidation states)

order by increasing oxidation state: Br2 BrO4- CaBr2 BrF3 order: CaBr2 Br2 BrF3 BrO4- is this the right order

288. ## Spanish

How do I say in sentence form my favorite holiday is christmas and the date.

289. ## math

there r 6 ears of yellow and 2 ears of white corn in each bag.There r 8 bags. How many ears of corn are there?

My tens digit is double my ones digit. I am less than 70 and greater than 60

291. ## math

Complete the table: Input Output 3 7 4 9 0 1 7 ?

Posted by Megan on Tuesday, October 12, 2010 at 3:44pm. I have a question if someone could help, please explain it. Given b = -1 and h = -1, what is the equation of the graph if the parent function of the radical is y = square root (x) The x should be

293. ## math

Alieta was playing the "win a flat"game and had 7 ten rods and 3 unit squares. She rolled a 9. How many ten rods does she have after the exchanges are made?

294. ## Math

Solve each equation by factoring: (2x+1)(3x-2)=10 How do you get -4/3 and 3/2 out of this equation? I'm so confused

295. ## Calculus III

Give an Example where f(x) is greater than or equal to 0 but f(x) is not decreasing and the integral converges while the series diverges or vice versa.

296. ## Algebra, ( check please)

A/3+4=6 I subtracted 4 from 4, and 4 from 6. and I got A/3+2= But how do I solve it from here?

297. ## math

f(t) = t2 − 1 Find the equation of the line tangent to the graph of f(t) at t = 5. Enter the equation of the tangent line here (in terms of the variable t): y =

298. ## english

How do I fix this sentence? My patient replied back to me, “I am good now and Thank You very much.”

299. ## acconting

the dept of a business are considered

300. ## calculus

if f(x)=ln(x^3 +1) find f '(3), correct to 2 decimal places

301. ## science

how do the fluxes of radiation help explain why air temperature near the earth's surface is higher than it is 2km above the earth's surface

302. ## Science

Recently a tornado hit Brooklyn and Staten Island. The sky turned dark green and rain poured in to there. Trees fell which led to street closures accidents and mass transit delays. How are tornados like these evidence that air is matter?

303. ## world history

Herodotus (c. 450 BC) I am needing help ansering a few question I can not locate an answer to. How is a colonizing expedition planned and organized and who goes on it? Do the variant stories recorded by herodotos disagree? What is the political

304. ## Algebra

I have a question if someone could help, please explain it. Given b = -1 and h = -1, what is the equation of the graph if the parent function is y = sqrt (x) Answers: a.y = sqrt(x-1) b.y = sqrt (-x+1) c.y = - sqrt (-x-1) d.y = sqrt(-x-1) I think it is "b"

305. ## Angles

What are alternate angles?

306. ## English

Can you please help me check the following prepositions? Thank you. 1) I was angry with her about her behaviour. 2) I was angry/furious/annoyed/cross with her for being late. 3) I'm sure about/of that. 4) Short of (I can't find a good example) 5) I was

307. ## English

I forgot to include these other sentences. Are the alternatives possible? Thank you very much. 1) Machinery was mainly driven (powered?) by water. 2) The new inventions in cloth-making took place because the was a rise in population and consequently an

308. ## math

how do you convert 13/25 into a decimal?

309. ## Math

Determine the vector parametric equation of the line through the origin and the intersection of the lines (ﬁnd the co-ordinates of this intersec- tion as well) v(t) = { 2t + 3 −4t t−3 } w(s) { 10s + 3 5s − 25 4 − 2s}

310. ## arithmetic

how do u use fractions percents an decimals in real life

311. ## math

The question ask: Shonda owns a business that transfers photos to CD-ROMs. She charges his customers \$24.95 for each CD-ROM. Which of these equations could be used to claculate her profit ''p'' for creating ''n'' CD-ROMs? answer and how did you get it?

184*32

313. ## statistic

rank the following in increasing order and find the position and value of the 11th percentile show all work. 7 5 3 2 9 6 4 3 8 5 5 8

2/12054=?

315. ## substitution

solve by the substitution method 3x+5y=21 x=51-9y

316. ## college

how did the social order and ways of life differ between the southern and northern colonies?

317. ## MATH

Estimate the file size (21,500 bytes)as millions of bytes or megabytes.

318. ## math

what is the value of x in the equation? 2(b-3)+5=3(b-1) (may you solve it step by step.

319. ## chemistry

use the nuclear decay equation to find out how much a 7mg sample of iodine 128 remains after 116 minutes if the half life of this isotope is 25 minutes.

320. ## Calculus III

A particle is moving in R2 according to the law x=t^2, y=t^3 (time is measured in seconds, coordinates in meters). (a) What is the average velocity of the particle over the time interval [1,1.1]? (b) What is the instantaneous velocity of the particle at

321. ## School/reseach

In F. Scott Fitzgerald's story "Bernice Bobs Her Hair," we are very likely to

I need help with intergers 3.2x10 3

323. ## chemistry

How many grams of cadmium must react to displace 13.0 g of copper from a solution of copper nitrate?

324. ## Calculus....

can you show me how to maniplate this using Trig subtitution... integral dx/4+x^2 x is bounded on [-2, 2]

325. ## music

hi there i have to make a poster about Marenzio Luca but i don't anything about him i just need the date of life and thr type of music he played.

326. ## i dnt get it

My tens digit is double my ones digit. I am less than 70 and greater than 60

327. ## college chemistry

When a sample of NO(g) (388.1 grams) is placed in 290.0 L reaction vessel at 500.0 °C and allowed to come to equilibrium the mixture contains 53.28 grams of N2(g). What is the concentration (mol/L) of O2(g)? 2NO(g) = N2(g)+O2(g)

-28/1=A A=?

329. ## math

I have 6 tens and less than 5 ones. What number am I?

330. ## math

y = 3 x^4 +5/4 x y'=

331. ## IT210

OOP is definitely the latest trend in the IT world. But when comparing OOP to structured (or traditional) programming, can you think of a draw-back using OOP? Should you use OOP for everything or is there a reason to sometimes use structured instead?

332. ## sports finance

Assume that you are an NBA team owner who wants to build an arena with a budget of \$400 million. You will provide \$200 million of your own funds, but must finance the remaining balance. Calculate: A bank is willing to lend you 60% of the remaining balance

333. ## us history

there were 13 states out of 13, 12 got together to make changes to articles of confederation which state out of 13 didn't join?

y=-2x3

335. ## math

what equals 6,300 in multiply

I´ve got this question y=5cosx-3sinx

337. ## Math

14 grams=__kg

338. ## Calculus

use the midpoint rule to approximate the integral from -7 to 1 of (10x-5x^2)dx

339. ## algebra 2

how do i solve x^4-13^2+40?

340. ## Math

the length of a rectangle is fixed at 13cm. what widths will make the perimeter greater than 80 cm? The width must be greater than ?

341. ## math

why is anything to the zero power equal to 1?

342. ## math

solve for x: 3- 1/2(x+7)=18

343. ## math

there are 4 people in joan's family. each person saves 5 cans each week for recycling.How many cans have they saved after 3 weeks?

344. ## algebra

3x+9(x+2)(x-2)/4y(x+3)(x+3)

3 is to 15 as 4 is to___ would the blank be filled in as 20?

346. ## Math

find the prime factorization of 120.

347. ## Math

Tell how to make 10 when adding 8+5

348. ## math

the grocer puts 3 green peppers in each of 8 packages. He puts 5 green peppers in the ninth package. How many green peppers des the grocer have?

349. ## math

how do you write 4 7/20, 12 3/4, 7 2/5 as a decimal?

350. ## math

why is anything to to zero power equal to one?

351. ## grammar

True or false? The boy went to school. Is this the correct way to use punctuation for this sentence?

352. ## social studies

AN AREA WHERE THERE IS MORE LAND AND LESS BUILDINGS? 5 LETTER WORD

what is the simplest form of 8/15

354. ## math

how could you show five less than a number using an expression?

355. ## math 123

f(x)=ax+b f(-2)=27 and f(1)=15 find the value of x when f(x)=-5 how do you work this out?? thanks so much

357. ## english

design is to labyrinth as create is to 1.case 2.news 3.picture 4.music 5.puzzle

K/1=-45 K=?

359. ## math

what is 7 over 56 inn simplest form