# Questions Asked onFebruary 6, 2011

1. ## College Physics

A point charge of 1.8 uC is at the center of a Gaussian cube 55 cm on edge. What is the net electric flux through the surface? I have no idea where to start with this problem.

asked by Scott
2. ## Calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a

asked by Abigail
3. ## Chemistry 2

Styrene, C8H8, is one of the substances used in the production of synthetic rubber. When styrene burns in oxygen to form carbon dioxide and liquid water under standard-state conditions at 25°C, 42.62 kJ are released per gram of styrene. Find the standard

asked by Nick
4. ## College Chemistry

The following data are obtained for the decomposition of N2O5 at a certain temperature: 2N2O5(g)↔4NO2(g) + O2(g) Time(s) 0 200 400 600 800 N2O5 (atm) 2.10 1.85 1.63 1.43 1.26 Find the rate constant kobs for this first-order decomposition reaction in

asked by cara
5. ## Chemistry

The energy used to power one of the Apollo lunar missions was supplied by the following overall reaction: 2N2H4 + (CH3)2N2H2 + 3N2O4 -> 6N2 + 2CO2 + 8H2O For the phase of the lunar module ascended from the surface of the moon, a total of 1200kg N2H4 was

asked by Jessica
6. ## Calculus

Two trucks start from the same point. One truck travels due east at a rate of 50 mph and the other trucks travels due north at a rate of 60 mph. At what rate is the distance between the two vehicles increasing 1 1/2 hours later? I think the answer is 55

asked by Katie
7. ## Calculus

A street light is hung 18 ft. above street level. A 6-foot tall man standing directly under the light walks away at a rate of 3 ft/sec. How fast is the tip of the man's shadow moving? I know I would've to set up a proportion. 18 / 6 = x + y / y x =

asked by Katie
8. ## Chemistry

A 119.2mL sample of 0.105M methylamine (CH3NH2, Kb=3.7*10^-4) is titrated with 0.255M HNO3. Calculate the after the addition of each of the following volumes of acid. 49.1mL and 73.6mL. Please help.

asked by Melissa
9. ## social studies

Which of these was NOT a major contributing factor to the Scientific Revolution? A) Greek philosophers B) Enlightenment thinkers C) Medieval Islamic scientists D) Roman and Byzantine scholars

asked by Asher
10. ## social studies

Which of these describes a significant advantage possessed by the Union at the beginning of the Civil War? A) a larger free population B) a larger agricultural labor force C) a superior supply of military officers D) a longer coastline for importing and

asked by Anonymous
11. ## SCl6 is used in....?

Does anyone know what SCl6 is used in? Note: I don't mean SF6. *Sulfur Hexachloride* Thank you :)

asked by Kate
12. ## Science

There is 1000ml per L of fluid. The ventricle pumps 70ml of blood per beat. How many beats would be required to pump 4.2 L of blood?

asked by Nell
13. ## math

triangle ABC, AB = x cm, BC = (x-4)cm, AC =10 cm and angle BAC = 60° calclulate the value of x

asked by aneesha
14. ## chemistry

8.What is the mass of 4.56 moles of sulfur dioxide? 9.What is the mass of 4.56 molecules of sulfur dioxide? 10.How many formula units are in 0.456 grams of Ca3(PO4)2? 11.How many moles are in 1.5 x 10 ^23 atoms of fluorine? 12.What is the mass of 2.80 x 10

asked by grace
15. ## Math

A bucket that weighs 3.2 pounds and a rope of negligible weight are used to draw water from a well that is 82 feet deep. The bucket is filled with 42 pounds of water and is pulled up at a rate of 2.3 feet per second, but water leaks out of a hole in the

asked by Nancy
16. ## Chemistry

Molecular bromine is 24 percent dissociated at 1600 K and 1.00 bar in the equilibrium Br2 (g) = 2Br (g). Calculate Kp at 1600 K.

asked by John
17. ## chemistry

1.How many atoms are in a sample of copper with a mass of 18.46 grams? 2.How many formula units are in a sample of salt with a mass of 67.69 grams? 3.How many molecules are in a sample of water with a mass of 44.99 grams? 4.What is the mass in grams of

asked by grace
18. ## Calculus

If water is poured into a cup at a rate of 1 cubic centimeter per second, how fast is the dept of the water increasing when the water is 4 cm deep? r = 6 cm h = 9 cm V = 1/3(pie) r^2 x h V = (pie)r'h + 1/3 (pie)r^2 h' 6 / 9 = r / h 6h = 9r r = 3 / 4.5 h V

asked by Katie
19. ## physics

Estimate the force a person must exert on a string attached to a 0.120 kg ball to make the ball revolve in a circle when the length of the string is 0.600 m. The ball makes 1.20 revolutions per second. Do not ignore the weight of the ball. In particular,

asked by leslie
20. ## Peartree Elementary

There are 50 oranges in a box 3/10 of them are rotten. How many of the oranges are not rotten?

asked by Drake
21. ## social studies

How did U.S. participation in World War I impact U.S. foreign policy in the decade immediately after the war? A) The United States joined the League of Nations. B) The United States strengthened its alliances in Latin America. C) The United States used the

asked by Asher
22. ## Calculus

In the diagram below, the y-coordinate of point P is increasing at a rate of 4 units per minute while point Q remains in its fixed position. Find the rate of change of angle, in radians per minute, when y = 20. y ^ | P (0, y) | | | | |---| |___|________ Q

asked by Katie
23. ## social studies

Why do cultural groups settle in specific physical environments

asked by Asher
24. ## Math

A bicycle wheel is 30 inches in diameter. a. To the nearest revolution,how many times will the wheel turn if the bicycle is ridden for 3 miles? b. Suppose the wheel turns at a constant rate of 2.75 rev per second. What is the linear velocity in mph of a

asked by Bree
25. ## Calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a

asked by Abigail
26. ## social studies

Many historians consider Theodore Roosevelt's greatest achievement to be.........?

asked by Asher
27. ## English

I writing a 6 page research paper on "Teen Pregnancy", and i know my introduction pharagh should grab the readers attention, as well as the first sentence but I cant really think of any thing good or interesting. My three main topic are Birth rates,

asked by Alicia B.
28. ## Physics

If a spring with a spring constant k = 10 N/m is stretched from its equilibrium position by 0.1 m, and released, what would be the maxi- mum kinetic energy at any time in its motion? Neglect friction. 1. 0.025 J 2. 0.1 J 3. Not enough information given 4.

asked by Sangita
29. ## Calculus

1.If a body moves in a straight line according to the law s= 24t +3t^2 - t³, where s is the distance measured in meters from the origin and t is the time in seconds after it starts to move, calculate the body’s velocity as a function of time. a.v = 30t

asked by Anonymous
30. ## Calculus

What is dy/dx if y=(x²+2)³(x³+3)² A.6(x²+2)²(x³+3) B.2x(x³+3)² +3x² (x² +2)³ C.3(x²+2)²(x³+3)²+2(x²+2)²(x³+3) D.6x(x²+2)²(x³+3)²+6x²(x²+2)³(x³+3) D or C I'm not sure ??

asked by Anonymous
31. ## math

the needle of the scale in bulk food section of a supermarket is 25 cm long. find the distance when the needle rotates 50 degrees

asked by julie
32. ## accounting

Identify several ways in which you currently use accounting information in your life as a student. Also identify several situations in which, while you are still a student, you might be required to supply financial information about yourself to others?

asked by MUHAMMAD
33. ## Physics

A 14.0 ohm resistor is made from a coil of copper wire whose total mass is 23.0 g. What is the diameter of the wire, and how long is it?

asked by George
34. ## science

scientific notation of 83.1

asked by Nat
35. ## physics

Two people, one of mass 70 and the other of mass 65 , sit in a rowboat of mass 78 . With the boat initially at rest, the two people, who have been sitting at opposite ends of the boat, 3.5 apart from each other, now exchange seats.

asked by anonymous
36. ## pre cal

an airplane is flying at an altitude of 2500 feet parallel to the ground, and the ground distance to the start of the airport runway is 7500 feet. What s the plane's angle of depression to the start of the runway? What is the distance between the airplane

asked by karina
37. ## Algebra 1

can anyone help! I have no clue how to do this.. PART 1: Use complete sentences to describe a real-world scenario that could be represented by the inequality 5x + 2y 45. PART 2: Choose one ordered pair that is a solution to the given inequality and explain

asked by Vee
38. ## Physics

A ball on the end of a string is revolved at a uniform rate in a vertical circle of radius 72.0 cm, as shown in Fig. 5–33. If its speed is .4 00 m s and its mass is 0.300 kg, calculate the tension in the string when the ball is (a) at the top of its

asked by helpme
39. ## Math

Walking down a long moving escalator, Phil covered 75 m in distance in 25 seconds. Walking back up against the motion of the escalator, the distance was covered in 75 seconds. What was the speed of the escalator?

asked by Allison
40. ## Calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a

asked by Abigail
41. ## math stats

These data are a sample of the daily production rate of fiberglass boats from Hydrosport, Ltd., a Miami manufacturer 17 21 18 27 17 21 20 22 18 23 The company production manager feels that a standard deviation of more than three boats a day indicates

asked by Anonymous
42. ## chemistry

1.How many atoms are in a sample of copper with a mass of 18.46 grams? 2.How many formula units are in a sample of salt with a mass of 67.69 grams? 3.How many molecules are in a sample of water with a mass of 44.99 grams? 4.What is the mass in grams of

asked by grace
43. ## Math

Walking at 4km/h, Bruce can make the roundtrip between his campsite and Lookout Point in 2.5 h. Rowing on Crooked River, he can row upstream from the campsite to Lookout Point in 1 h and can row back again in 40 min. Find Bruce’s rate of rowing in still

asked by Anonymous
44. ## social studies

hich of these asserted that the United States had the right to intervene in the affairs of neighboring American countries, to counter threats posed to its security and interests? A) The Fourteen Points B) The Truman Doctrine C) The Roosevelt Corollary D)

asked by Asher
45. ## Math..urgent.pls help!:(

A Volkswagon Beetle convertible sedan is worth \$16,615 now and is expected to be worth \$8950 in 4 years. a) find a linear depreciation function for this car. b) estimate the value of the car 5 years from now c.) at what rate is the car depreciating? thanks

asked by anonymous
46. ## math

I need help on this math problem Solve the systems of equations by elimination. -2x+y=7 6x+12y=24

asked by pdub
47. ## geometry

A satellite in a nearly circular orbit is 2000 km above Earth's surface. The radius of Earth is approximately 6400 km. If the satellite completes its orbit in 12 hours, calculate the speed of the satellite in kilometers per hour.(pay attention to the

asked by ranu
48. ## Math

Flying against the wind, Lisa made the flight from Reno in 3 h with a steady airspeed of 400km/h. Returning later with a tail wind that had doubled in magnitude, she landed 225 km beyond the starting point in 3 h. What was the original wind speed? How far

asked by Anonymous
49. ## physics

On a very muddy football field, a 110 linebacker tackles an 75 halfback. Immediately before the collision, the linebacker is slipping with a velocity of 8.8 north and the halfback is sliding with a velocity of 7.2 east. a) What is the magnitude of the

asked by anonymous
50. ## Algebra

Flying against the wind, Lisa made the flight from Reno in 3 h with a steady airspeed of 400km/h. Returning later with a tail wind that had doubled in magnitude, she landed 225 km beyond the starting point in 3 h. What was the original wind speed? How far

asked by Jen
51. ## Physics

A large metal ball is shot from a cannon with a short barrel. If the same ball were to be shot from cannon with a longer barrel, its muzzle velocity would be a. less. b. more. c. the same. d. impossible to determine without additional information.

asked by Anonymous
52. ## Chemistry

A 23.0mL sample of a diprotic acid is titrated with 0.260M KOH. If 55.5mL of base is required to reach the second equivalence point, what is the concentration of the acid? I'm not sure how to do this.

asked by Melissa
53. ## math

How many ways can you have \$1.05, with only using dimes, nickels, and quarters?

asked by Brianna
54. ## Physics

An electron (mass m = 9.11e-31 kg) is accelerated in the uniform field E (E = 2.00e4 N/C) between two parallel charged plates. The separation of the plates is 1.10 cm. The electron is accelerated from rest near the negative plate and passes through a tiny

asked by David
55. ## math

why the formula for finding the surface area of a rectangular prism is helpful.

asked by casey
56. ## Calculus

Sorry... Consider the function f(x) = 8.5 x − cos(x) + 2 on the interval 0 ¡Ü x ¡Ü 1. The Intermediate Value Theorem guarantees that there is a value c such that !@#\$%^& for which values of c and k? Fill in the following mathematical statements,

asked by Abigail
57. ## US history

To what extent and for what reasons did the policies of the federal government from 1865 1900 violate the principles of Laissez-Fair which advocated minimal government intervention in the economy?

asked by Lily
58. ## fin 200

As the time period until receipt increases, the present value of an amount at a fixed interest rate A. decreases. B. increases. C. remains the same. D. Not enough information to tell.

asked by marie
59. ## physics

a framed picture of weight 15N is hung on a wall, using a piece of string. The ends of the string are tied to two points, 0.60 m apart on the same horizontal level, on the back of the picture.Find the tension in the string if the string is 1.0m long

asked by anon
60. ## English--Priss

Is it alright to ask a question again and again until you get the answer you want? Goodness, you have been responded to, and several of us read that and did not have diverging views from what Writeacher stated. If you did the research, did the analysis,

asked by bobpursley
61. ## physics

A resistor is to have a constant resistance of 30(ohm), independent of temperature. For this, an aluminum resistor with resistance R1 at 0(Celsius) is used in series with a carbon resistor with resistance R2 at 0(Celsius). Evaluate R1 and R2, given that

asked by carlo
62. ## Physics

A 0.7 um-diameter droplet of oil, having a charge of +e, is suspended in midair between two horizontal plates of a parallel-plate capacitor. The upward electric force on the droplet is exactly balanced by the downward force of gravity. The oil has a

asked by Lauren
63. ## social studies

how did the search for a northwest passage lead to the founding of new france and new netherland?

asked by theresa
64. ## science

ethanol, C2H5OH, is responsible for the effts of intoxication felt after drinking alcoholic beverages. When ethanol burns in oxygen, carbon dioxide and water are produced. IF you have 256g of ethanol and 100 grams O2, calculate the amount product produced.

asked by liz
65. ## maths

The measures of two adjacent sides of a parallelogram are in the ratio 17:7. if the second side measures 3.5 cm, find the perimeter of the parallelogram.

asked by rupa das
66. ## pre cal

assuming that Earth is a sphere of a radius 6378 kilometers, what is the difference in the latitudes of Lynchbug, Virginia, and Myrtle Beach, South Carolina, where Lynchbug is 400 kilometers due north of Myrtle Beach?

asked by karina
67. ## tats

No(Did not lie) Yes(lied) positive test result 15(false positive) 42(true positive) negative test result 32(true negative) 9 (false negative) Refer to table and assume that one of the 98 test subjects is randomly selected. Find the probability of selecting

asked by Help please!
68. ## arithmetic

If the first term of an arithmetic sequence is 10 and the 13th term is 58, what is the common difference?

asked by Anonymous
69. ## Algebra

Suzi drove home at 69 mph, but her brother Jim, who left at the same time, could drive at only 41 mph. When Suzi arrived, Jim still had 112 miles to go. How far did Suzi drive?

asked by Jim
70. ## Physics

Gind the force between charges of +10.o uC and -50.0 uC located 20.0 cm apart

asked by Leah
71. ## Introduction to Electricity and Circuits

A light bulb is wired in series with a 142 resistor, and they are connected across a 120 V source. The power delivered to the light bulb is 22.3 W. What are the two possible resistances of the light bulb?

asked by Jiji
72. ## stats help

The Birch Company, a manufacturer of electrical circuit boards, has manufactured the following number of units over the past 5 years: 1992 12,500 1993 13,250 1994 14,310 1995 15,751 1996 17,630 Calculate the average percentage increase in units produced

asked by Anonymous
73. ## science

A bird sits on a pole and watches waves. The wave crests are 1.0 meter apart. If one wave crest passes the pole each second, what is the speed of the wave? . What is the period of the wave? . What is the frequency of the wave? . If the waves change so that

asked by mary
74. ## Physics

An alpha particle and an antiproton are released from rest a great distance apart. They are oppositely charged so each accelerates toward the other. What are the speeds of the two particles when they are 2.5 nm apart? alpha particle has a charge of +2e and

asked by Lauren
75. ## Math

You have 48 yellow blocks and 40 green blocks. What is the greatest number of identical towers that you can build using all 88 blocks?

asked by Martha
76. ## algebra

Factor these: 8x^3-125 81x^-625 18x^3+63x^2-50x-175 x^4-11x^2+18 I'm so lost!

asked by Michaela
77. ## Physics

A man observes snow falling vertically when he is at rest, but when he runs through the falling snow at a speed of 4.70 m/s, it appears to be falling at an angle of 24.0° relative to the vertical. Find the speed of the snow relative to the earth.

asked by De'Sember
78. ## chemistry

Determine whether ∆H is equal to, greater than, or less than ∆U for the following reactions. Keep in mind that “greater than” means more positive or less negative, and “less than” means less positive or more negative. Assume that the only

asked by danny
79. ## English

Identify the topic sentence in the paragraph: Please let me know if I have the right answer. Thanks 3. Individuals can be denied credit for a number of reasons. (Topic sentence starts here---->"Individuals who are near limits on existing cards, have too

asked by Carmelita
80. ## chemistry

Explain how to make a 1.5M solution of copper (II) sulfate with a volume of 250 mL.

asked by valentina
81. ## physics

a ball is thrown vertically into the air because of air resistance its speed when it returns to its staring level compared to it initial speed is what?

asked by Anonymous
82. ## Genetics

Hi, I really need help in how to approach this question: A species of tiny antelope, known as the zephyr, has an XY system of sex determination, similar to mammals. Zephyr males have small antlers and females do not. The antlers can be two pronged (2-pr)

asked by Steven
83. ## Calculus

A function f(x) is said to have a removable discontinuity at x=a if: 1. f is either not defined or not continuous at x=a. 2. f(a) could either be defined or redefined so that the new function IS continuous at x=a.

asked by Abigail
84. ## Chem

How many moles of NaOH would you need to add to 800 ml of a 0.4 M H2CO3 solution in order to bring the pH of the solution to 10.5?

asked by Roger
85. ## American Government

All of the following statements correctly describe the typical independent agency except: A. it has a narrower area of responsibility than cabinet departments. B. it is divided into a number of smaller operating units. c. its employees are mostly hired

asked by Brandon
86. ## chemistry

Fish-liver oil is a good source of Vitamin A. When 0.1232 g of fish liver oil is dissolved in 500. mL of solvent, an absorbance of 0.724 is recorded. When 0.00167 g of Vitamin A is dissolved in 250. mL of solvent, an absorbance of 1.018 is recorded.

asked by dave
87. ## Algebra 1- Virtual School

can anyone help! I have no clue how to do this.. PART 1: Use complete sentences to describe a real-world scenario that could be represented by the inequality 5x + 2y 45. PART 2: Choose one ordered pair that is a solution to the given inequality and explain

asked by Vee
88. ## health

The primary purpose of the patient record is to provide continuity of care, which means. a. documenting services so others have a source from which to base care. b.evaluating the quality of patient care. c.providing information to third-party payers for

asked by Trina
89. ## science

Okay, I will check back later. Thank You Ms. Sue!!

asked by Reed
90. ## maths

If a farmer has 60 cows on his farm and 53 sheep then how many goats does he have?

asked by alexis
91. ## Dynamics, Please Help

A car is climbing a hill and accelerating at a constant rate of 0.3 g and at an angle of 10 degrees. What is the steady state value of the ANGLE made by a mass hung from a cord that's attached to the rearview mirror. Please Help don't know how to start.

asked by Kindra
92. ## science

how to solve log10(1.4 x 10-5)

asked by mel
93. ## algebra

what is the common ration of 2,12,18, and 27. What are the next three numbers in the sequence.

asked by eleanor
94. ## social studies

mahogany logs from central America sometimes wash up in scotland. how do you explain this?

asked by isis
95. ## Calculus

suppose that a population is dying with a half life of of 43years. The initial size is 1600. Find the 1 year DTDS for this population

asked by Anonymous
96. ## English

Can anybody help in evaluating this essay. i have to write an evaluation on it its by Wole Soyinka called Every Dictator's Nightmare With the blood-soaked banner of religious fanaticism billowing across the skies as one prominent legacy of this millennium,

asked by dillon
97. ## Chem

How many moles of NaOH would you need to add to 800 ml of a 0.4 M H2CO3 solution in order to bring the pH of the solution to 10.5?

asked by Roger
98. ## statistics

The IQ of 100 college students in XYZ univ are found to be normally distributed where mean is 105 and standard deviation is 8. If the student IQ score is 90, what is the probability that another student randomly slected has an IQ score of below 90.

asked by chai
99. ## physics

a 2.0kg block is pushed against a spring that has a force constant of 10 n/m. the spring is compressed 10 cm. when the block is released, it slides across a rough surface for 25 cm before it stops. find the coefficient of friction between the block and the

asked by jen
100. ## physics

As part of a training program, an athlete runs while holding 8.00 weights in each hand. As he runs, the weights swing through a 30.0 arc in . His hands are 72 from his shoulder joint, and they are light enough that we can neglect their weight compared with

asked by brittney
101. ## Algebra 2

Walking at 4km/h, Bruce can make the roundtrip between his campsite and Lookout Point in 2.5 h. Rowing on Crooked River, he can row upstream from the campsite to Lookout Point in 1 h and can row back again in 40 min. Find Bruce’s rate of rowing in still

asked by Sue
102. ## math

Could someone please how this problem should be solved? Simplify and write the answer in exponential notation using positive exponents. 2 to the 4th x 2 -2nd power

asked by Dennis
103. ## geometry

the base of a triangle is 4dm longer than its altitude, and its area is16dm^2. Find the lengths of the base and its altitude.

asked by ja
104. ## chemistry

What mass of water, in grams, would have to be decomposed to produce 12.0 L of molecular oxygen at STP?

asked by josi
105. ## biology

Describe the different types of hormone please help

asked by Anonymous
106. ## Adminstrative Office Procedures

Which one of the following refers to the people who truly influence decision making within a company, regardless of their position on the company’s organizational chart? A. Human resource team C. Informational task force B. Organizational team D.

asked by Anonymous
107. ## pre cal

Tamara is flying in a hot air balloon. The hot air balloon is flying at an altitude of 1100 feet. The ground distance to the landing site is 1400 feet. What is Tamara's angle of depression to the landing site? What is the actual distance between the hot

asked by karina
108. ## literature

Need help with symbolism project. thank you for your help.? I need help with explaining symbolism of the ax from Black Cat. Do you know what symbolism mean is? THANK YOU FOR YOUR HELP

asked by Erin
109. ## Math

Because of a recession, the value of a new house depreciated 10% each year for 3 yr in a row. Then, for the next 3 yr, the value of the house increased 10% each year. Did the value of the house increase or decrease after 6 yr? Explain. I feel that the

asked by Roger
110. ## algebra

the perimeter of a rectangular garden is 132 meters.The length is 6meters longer than twice the width. Find the demensions of the garden.

asked by YaGirl
111. ## COM/155

•Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. •Use at least 5 different pronouns. I think these sentences are correct. They should include the necessary five diferent

asked by Mark
112. ## math stats help

3-34 The Chicago Transit Authority thinks that excessive speed on its buses increases maintenance cost. It believes that a reasonable median time from O’Hare Airport to John Hancock Center is about 30 minutes. From the following sample data (in minutes)

asked by Anonymous
113. ## health

The hospital inpatient record documents the care and treatment received by a patient admitted to the hospital. Where is the paper-based record stored while the patient is in the hospital? a.All patient records are stored in the health information

asked by Trina
114. ## calculus

PLEASE HELP Find the first and second derivatives of the function. y = e^8ex. I keep getting y' = e^8ex * 8 and its wrong. how do you do this?

asked by nic
115. ## Calc

Find the arc length of the graph of the function over the indicated interval. y = (x⁵/10) - (1/(6x³)) , [1,20] Thank you so much!!

asked by Erica
116. ## economics

Jerry is considering buying today a new bond which makes infinite annual payments. In particular the bond pays its holder 557.3 dollars one year from the day of purchase and the annual payment increases by 129.32 dollars each year thereafter. What is the

asked by Rachel
117. ## Calculus

find lim (2x+1+cos2x/22) x->0 Give one sequence starting at x=0.1 to support your claim.

asked by Anonymous
118. ## Algebra

r= -0.075t + 3.85 solve for t r=3.7 -0.075t + 3.85 < 3.7 -0.075t + 3.85 - 3.85 -0.185/-0.075 This is as far as I can get - now how do you solve for t?

asked by Shirley
119. ## Math-Equations

A building contractor is planning to build an apartment complex with one, two or three bedroom apartments. Let x,y,z respectively denote the number of apartments of each type to be built. Suppose that the builder will spend a total of \$6,885,000, and that

asked by Melissa
120. ## STATS

HumanPower, the temporary employment agency, has tested many people’s data entry skills. InfoTech needs a data entry person, and the person needs to be not only quick but also consistent. HumanPower pulls the speed records for 4 employees with the data

asked by Anonymous
121. ## algebra 2

triangle CAT has vertices C(4,9), A(8,-9),T(-6,5) M is the midpoint of TA . find the length of the median CM

asked by carly
122. ## English/ re-post

Identify the topic sentence in the paragraph: Please let me know if I have the right answer. Thanks 3. Individuals can be denied credit for a number of reasons. (Topic sentence starts here---->"Individuals who are near limits on existing cards, have too

asked by Carmelita
123. ## physics

What is the cost of electrical heating 50 liters of water from 40degree celsius to 100degree celsius at USD 8.0 /kwh?

asked by carlo
124. ## physics

Hi! Thank you for your help~ I am working on a problem about electric fields. There is a rod along the x axis from -3m to 3m with a lambda linear density of 12 x10^-9 c/m. I am supposed to find the electric field on the y axis at y = 0.2m . I know that I

asked by APpreciative Student
125. ## Social Studies

What factors may contribute to the differences in GDP per capita in the areas of the world in places like Europe which is high compared to Africa which is low? I know that the United States and Europe are more technologically advanced than Africa. I also

asked by James
126. ## calculus

Locate the position of Sun,using calculus---using differential euation on sign curve of Sun's path.

asked by mike
127. ## HUMN 232

Businesses are intended to make money, and sometimes this means keeping business practices secret. What kind of information does the public have a right to know? What kind of information does a business have a right to keep secret? How do we make these

asked by BEA
128. ## social studies

Which of these was the BIGGEST economic disadvantage of the Southern States during the Civil War? A) sea port availability B) industrial production C) agricultural production D) availability of resources

asked by Anonymous
129. ## algebra

answer to Solve the system of equations by graphing then classify the system 6x-y=39 6x+7y=15

asked by Samantha
130. ## Managerial Accounting

A food division reported cost of sales-food of \$198,680. Employees' meals cost \$1,225, complimentary meals \$142 and transfers in were received from the bar operaton with a cost of &82. Determine the net cost of sales.

asked by Katie
131. ## algebra

(2/3)((7/8)-4x)-5/8=3/8

asked by andrea
132. ## physics

if someone weighs 500 N, how much pressure does she apply when she stands on her head, if the part of her head that is touching the floor has a radius of 2cm?

asked by leean
133. ## Algebra

I've been looking for help on setting up this part of my homework so that I could finish it. If anyone can help, please do. Part 1: Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on

asked by Desparate for Help
134. ## Adminstrative Office Procedures

Your new employer owns a small dry cleaning service. She tells you that she’s considering installing a telephone system. Which of the following would be the best for her? A. A remote access system C. A PBX system B. A key system D. An automated answering

asked by Anonymous
135. ## chemistry

If you submerge a silver teaspoon in copper sulfate solution, what reaction would you expect and why?

asked by valentina
136. ## health

Although hospital inpatient records have traditionally served as the documentation source and business record for patient care information. a.all patient records contain similar content and format features. b.alternate care facility records serve as the

asked by Trina
137. ## business

____ 1. The form of organization for a business is not an important issue, as this decision has very little effect on the income and wealth of the firm's owners. TRUE OR FALSE

asked by Dee
138. ## art

you put 15 marbles into 3 groups

asked by baily
139. ## Calculus

Let If f(x) is a function which is continuous everywhere, then we must have m=________________

asked by Abigail
140. ## Com155

•Resource: Weekly Readings •Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence. •Mark each verb used in bold and, in parentheses, identify the specific

asked by Camnky
141. ## Math

What is the additive inverse of 5 on the 12-hour clock.

asked by John
142. ## geometry

prove that if the lengths of two sides of a and b, triangle are a and b respectively, then the lengths of the corresponding altitudes to those sides are in the ratio b/a.

asked by hope
143. ## physics

CALCULATE THE ACCELERATION FOR A 10.0 KG BLOCK WHICH IS BEING PULLED UP A 35.0 DEGREE SLOPE BY A FORCE OF 140 N IF THE COEFFICIENT OF SLIDING FRICTION IS 0.100

asked by NICK
144. ## social studies

early explorers sailing west across the Atlantic usually sailed south to the canary island, first. why do you think they did?

asked by isis
145. ## Calculus

Multiple Choice: Suppose F(x)=∫ from 0 to x^2 of 1/(2+t^3) dt for all real x, then F'(-1)=? a. 2 b. 1 c. 1/3 d. -2 e. -2/3 Steps please? Thanks(:

asked by Rebecca
146. ## New age Math

A building contractor is planning to build an apartment complex with one, two or three bedroom apartments. Let x,y,z respectively denote the number of apartments of each type to be built. Suppose that the builder will spend a total of \$8,277,000, and that

asked by Tracy
147. ## algebra

A gardener wants to create a triangular garden in the shape of a right triangle with shortest side length x-2y ft. and the middle length side x+6y ft. What is the area of the garden? multiply this out and express in simpliest correct mathematical form

asked by Laura
148. ## geometry

What does it mean when the scale factor of the actual object to its model is less than one?

asked by Seth
149. ## math

a store recorded net sales of 423,400 for the year.the store's beginning inventory at retail was105,850 and it's ending inventory was127,020. what would be the inventory turnover at retailrounded to the nearest tenth? i have no idea what i am doing.

asked by rose
150. ## English

What is a characteristic to describe a person who always follows a schedule? What is a characteristic to describe someone who always follows the law?

asked by Christine
151. ## chemistry

the work done by the system during a certain adiabatic process is 200J. What is the change in U of the system

asked by noel
152. ## English

1.The fawn (lay, laid) down in the undergrowth. 2.Every night this week, the cat has (lain, laid) on the piano bench to sleep. 3.Have they (risen, raised) prices? 4.The balloon slowly (rises, raises) as the air heats up. 5. The bread dough is (rising,

asked by Hayley
153. ## Stats for managers

3-100 Matthews, Young and Associates, a Chapel Hill consulting firm, has these records indicating the number of days each of its ten staff consultants billed last year: 212 320 230 210 229 231 219 221 222 a)Without computing the value of any of these

asked by Anonymous
154. ## math

Rebecca walked 0.25 mile on Tuesday and 1.6 miles on Wednesday. How many miles did she walk altogether? Write a vertical math sentence to solve the problem

asked by Anonymous
155. ## math

what is a 1 digit number & a 3 digit number their sum is 205 has a difference of 195 they have a product of 1000 they have a quotient of 40

asked by kel
156. ## Math

Solve the following equations for x: X = 2 + (1/x) , X = 3 + (1/x) How do I do this type of problem? Thanks

asked by Jon
157. ## Science

If I want to make a solution that has a 5% concentration of salt, is it correct for me to have 380mL water and 20g salt? My method behind this was that I wanted a 400g solution, and so since 1mL water is equal to 1g water, I did: 400x0.95=380g water or

asked by Anonymous
158. ## grammar

is living room a noun?

asked by kiki
159. ## English

1.Mom always (____) her glasses down somewhere and then can't find them. 2.No one could believe that Carol had been (___) near the dog the entire time. Use correct form of sit or set 1.sets 2.sitting 1.My grades have (----) a little each semester. 2.My

asked by Hayley
160. ## BUSINESS

o Research some executive dashboard products, identify information that Lisa and Ruben would likely find useful presented in a dashboard, and how they would use the information. Make recommendations as to which product you would recommend for Club IT.

asked by SHELIA MANNER
161. ## Calc

For the function f(x) = 5x^6 + 6x^5 - 15x^4 a.) find where the function is increasing & decreasing b.) find where the graph if concave up & concave down c.) name all inflection points d.) find all relative extrema

asked by Amy
162. ## English

What is a characteristic to describe a person who always follows a schedule?What is a characteristic to describe someone who always follows the law?

asked by Christine
163. ## Periodic Table of Elements

What are the elements that are liquids in their natural state? What are the elements that are gases in ther nattural state? What are the magnetic elements?

asked by Anonymous
164. ## currents and climate

since warm air carries more moisture, what would you expect the climate there to be like?

asked by theresa
165. ## PHYSICS

Hi! Thank you for your help~ I am working on a problem about electric fields. There is a rod along the x axis from -3m to 3m with a lambda linear density of 12 x10^-9 c/m. I am supposed to find the electric field on the y axis at y = 0.2m . If you could

asked by THANK YOU
166. ## physics

CALCULATE THE ACCELERATION FOR A 10.0 KG BLOCK WHICH IS BEING PULLED UP A 35.0 DEGREE SLOPE BY A FORCE OF 140 N IF THE COEFFICIENT OF SLIDING FRICTION IS 0.100

asked by NICK
167. ## sociology

What social policies would be likely to be recommended by a sociologist who favored Merton’s strain theory in order to reduce property crime by the poor?

asked by kunta
168. ## math

Angle U and Angle V are complementary angles. If Angle U is three less than twice Angle V, what are the measures of the angles?

asked by Melissa
169. ## English

Is it all right to write a research paper in first person when asked your opinion and to give references to back it up?

asked by Priss
170. ## Chemistry

How do I find the volume in L, of aluminum if the mass is 25.25g and the density of aluminum is 2.70g/Ml?

asked by Patty
171. ## Physics

What is the rotational inertia of a 10 kg rod with a length of 0.9m and rotating about an axis passing through its end?

asked by Tracy
172. ## science

Will you please let me know if you think my Problem and Hypothesis is what my teacher is looking for? This is my first science project and I want to achieve an A. I am testing how heat input can affect the velocity of the ocean currents. PROBLEM: Does an

asked by Reed
173. ## English

I have to evaluate this essay.Can someone help me with this. how to evaluate this. some points on evaluating it. The essay is "Every dictator's Nightmare" by Wole Soyinka. thanks With the blood-soaked banner of religious fanaticism billowing across the

asked by dillon
174. ## math

a single die is rolled onece. what is the probability of getting an even? what is the probability of getting a number less than 2? what is the probability of getting a 9?

asked by tony
175. ## Physics

A fountain has a cylinder with holes placed on the side at heights of 1 m and 2 m. The water level is the cylinder is kept at a height of 3 m by an input type. The water emerges from the holes and strikes the fountain pool at some distance x. a. What

asked by Alfred
176. ## psychology

8. Cognitive psychology can best be described as:

asked by kaitlyn
177. ## English

Could you please help me to make an acrostic poem for "THANK YOU"? We had an Indian Volunteers who donated a small library in our school. It's a nice way of saying our gratitude to them before they leave.

asked by Noel Rowee
178. ## Algebra

The function p(d)=1+d/33, gives the pressure in atmospheres (atm), at the depth d in the sea (d is in feet). Note that p(0)=1 atm, p(33)=2 and so on. Find the pressure at 40 feet? I am lost please help? Thanks!

asked by Shan
179. ## physics

Work out the gravitational potential energy of a 2kg brick at a height of 9 metres.

asked by Mary
180. ## science

What is the route(s) of entry for the toxic substance to the bodyfollowing: A hiker becomes violently ill after being bitten by a rattlesnake

asked by roof
181. ## physics

a particle of mass 1 gram is rotated in a horizontal circle of radius 1 meter.it moves with a velocity 2 meters per second in magnitude the work done in 1 revolution is?

asked by Anonymous
182. ## Math

The reduced row echelon form of the matrix -1/2 1/2 3/2 -3/2 2 3/2 1/2 -3/2 9/2 is?

asked by Paul
183. ## maths

if the diameter of a bike wheel is 20cm, what's the minimum number of revolutions needed to cover 1km?

asked by jake
184. ## chemistry

Why will a new nail react faster in copper sulfate solution than an old, rusty nail?

asked by valentina
185. ## English

any suggestions on this: i can't think of this word, when you read a view point of someone who isn't " ", like a person might talk about a person badly but this person just tells about a person without feelings.

asked by Amy
186. ## math

What's the minimum. length of the arc on the cicumference of the earth,where a curvature of the horizon is appearent? OR---What's the max.length of cord,drawn on the cicumference of the earth,where length of the cord appears same as arc? Follow up 2nd

asked by mike
187. ## stat

Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29

asked by jackie
188. ## pre cal

if a 22 inch tire rotates 40 times per 2 minutes, determine the linear and angular speed of the tire.

asked by karina
189. ## science

I was just wondering! I posted a question for you all at 12:01 today. Are you allowed to help me with this type of question? I just wanted to make sure what I will turn in is what my teacher is looking for! This is my first science fair project. Thank You!

asked by Reed
190. ## math300

Run the simulation using n = 30 and N = 10 for a uniform, a bell-shaped, and a skewed distribution. Identify the mean of the sampling distribution of sample means for each distribution. Evaluate if the results are what you expected for each distribution.

asked by Karen
191. ## chemistry

Read the two statements below about the compounds H2Y, Li2Y, HZ and KZ and then answer the questions that follow: A non-metal element which lies in the third row of the Periodic Table forms a gaseous compound H2Y with hydrogen and the compound Li2Y with

asked by Anonymous
192. ## MATH

Adam was walking down the stairs at his work one day. Adam began on the top step and had already gone down seven steps when he saw Reanna on the ground floor beginning to come up the stairs. Reanna goes up two steps for every one step Adam goes down. Adam

asked by Jessica
193. ## English

Can you please check these sentences for me? Thank you very much. 1) The hotel is very near from here. How far from here is the hotel? 2) The hotel room was awful. What was the hotel room like? 3) He got in by climbing over the wall. How did he get in? 4)

asked by Franco
194. ## Math

Could some please help me to find the additive inverse of -9 on the 12-hour clock.

asked by Yolanda
195. ## Quantitative analysis

3. A service station owner sells Firm-on-the-road tyres which are ordered from a local tyre distributor. The distributor receives tyres from two plants, A and B. When the owner of the service station receives an order from the distributor, there is a 0.5

asked by george
196. ## computer science

If ADSL have have Max. download speed of 955kbps, the how long it will take to download 5GB.

asked by Rai
197. ## politics

Who was the first president of the republic of ghana

asked by ferash
198. ## math 126

let u={5,10.15.20.25.30.35.40 find a c

asked by shane
199. ## Human Services

I am beginning a paper on a proposed social program. Could you suggest some resources on social policy and programs for human services? Thank you

asked by Kelli
200. ## New Age Math

A building contractor is planning to build an apartment complex with one, two or three bedroom apartments. Let x,y,z respectively denote the number of apartments of each type to be built. Suppose that the builder will spend a total of \$8,277,000, and that

asked by Tracy
201. ## biology

Discuss the function of hormone in the reproductive process?

asked by Anonymous
202. ## business stats

The production manager of Hinton Press is determining the average time needed to photograph one printing plate. Using a stopwatch and observing the platemakers, he collects the following times (in seconds): 20.4 20.0 22.2 23.8 21.3 25.1 21.2 22.9 28.2 24.3

asked by Anonymous
203. ## social studies

since warm air carries more moisture, what would you expect the climate to be like in the gulf stream

asked by isis
204. ## social studies

which side of Australia would you expect to be very dry, and which side would you expect to have more rain? explain

asked by romallo
205. ## algebra 2

triangle CAT has vertices C(4,9), A(8,-9),T(-6,5) M is the midpoint of TA . find the length of the median CM

asked by carly
206. ## College american history

1.How were the Spanish conquistadores able gain dominance over the Native American empires of Central and South America?

asked by Danie
207. ## chem

How do we know what is saturated, unsaturated and supersaturated?

asked by Anonymous
208. ## Chemistry

Explain why different ozone depleting substances differ in terms of the length of time that elapses between their emission to the atmosphere and their release if catalytically active chlorine.

asked by Cassie
209. ## physics

In what direction and with what speep must he push away his pack in order to return to his vehicle in 30s?

asked by Anonymous
210. ## stats

group rh+ 39 35 8 4 rh- 6 5 2 1 People with blood type AB and rh+ are considered to be universal recipients. If three of the 100 subjects are selected find the probability they are all universal recipients.

asked by Help please!
211. ## Math

I have 4 tops,6 bottoms and 3 different pairs of sandles. How many combinations can make?

asked by Brandon
212. ## health

What kind of professional is able to diagnose an ASD (autistic spectrum disorder) and is it possible to know the difference between PDD (provisif developmental delay) and autism ?

asked by nirva
213. ## English

Need help with symbolism project. thank you for your help.? I need help with explaining symbolism of the ax from black cat. Do you know what symbolism mean is? THANK YOU FOR YOUR HELP example: etc

asked by Erin
214. ## English

As promised, picked out the 4 statements I was most doubtful about. 1) Lady Macbeth, we learn in the course of the play, had been the able and efficient wife for such a man. 2)The crown will bring them the highest worldly honour available to them and

asked by Franco
215. ## math

how do you change %18.35 to a fraction! help please! thnx! (:

asked by mlly
216. ## algebra

A gardener wants to create a triangular garden in the shape of a right triangle with shortest side length x-2y ft. and the middle length side x+6y ft. What is the area of the garden? multiply this out and express in simpliest correct mathematical form

asked by Laura
217. ## CSI Fema 200

The information and intelligence function may be organized within the command staff. True or false

asked by maud clapet
218. ## science

Okay, I was not thinking. I correlate my hypothesis with the materials I will be testing with. My PROBLEM I will leave the same-Does an increase in water temperature affect the velocity of ocean currents? Or will I have to change this also? New HYPOTHESIS?

asked by Reed
219. ## calculus

correct me if I'm wrong please. 1. What is the value of Lim 2x+3/4x-5 when x>00 (infinity?) a.-3/5 b.0 c.1/2

asked by Anonymous
220. ## English

Can you check these sentences for me, please? Thank you 1) He flew to New York with an early morning flight. 2) He was supposed to travel to New York at 10 am. The plane was delayed by the thick fog till the following day. He was stranded at the airport

asked by Franco
221. ## History

What was one of the social changes during the city life and city culture. What was one of the social changes during the Western Expansion.

asked by Rena
222. ## computer science

A suspicious vehicle can be tracked along the motorway by noting the time it passes each ANPR monitoring point. If a car passes monitor A at 22.12.06 and monitor B at 22.54.07 and the monitors are 62 km apart calculate the average speed of the vehicle

asked by Carrick
223. ## biochemistry

pls help! discuss the effect of acids and alkalis on DNA & RNA. Thanks.

asked by victor
224. ## Physics

A particle of mass m = 0.40 kg oscillates on the end of a spring with an amplitude of 0.30 m. At t = 0, it's at it's equilibrium position (x=0) and is moving in the positive x-direction. At 0.20 s later it is at x = 0.25 m. a. What is the lowest possible

asked by Dan
225. ## Basic Math

A student claims that 2/3 = 6/7 because if you add 4 to both the top and the bottom of a fraction, the fraction does not change. How do you respond? I am a bit confused. Don't you need to have a common denominator?

asked by Jordan
226. ## math

To find a sales tax of 6% on a purchase of \$90.00 using the proportion method you would write the following: 6/100 = ST/\$90 The calculations in this problem would give you the following: (ST)= \$540.00

asked by Anonymous
227. ## English

Can you check these sentences for me please? Thank you. 1) The girl in the picture is wearing a tall necklace consisting of one kilo rings, ankle bracelets and knee rings. 2) They are very popular in Burma. The man in the picture is in his sixties. He is

asked by Franco
228. ## Economics

the price of labor is \$100 per unit and the price of capital is \$20 per unit. What will the long-run total cost and long-run average cost of producing 120 units?

asked by Maria
229. ## math

which is the best estimate for the height of a dog. 40 kilometers, 40 meters, 4 meters, 40 centimeters

asked by shevonda
230. ## Chemistry

Describe how to prepare 5.00 liters of a 5.00 % (w/w) NaCl solution, which has a density of 1.06 g/mL, from pure solid sodium chloride. I have no idea how to find the starting measurements please help!

asked by Anon
231. ## English

I forgot to include the following statements. I really hope you can have a look at them, too. 1) Macbeth was most likely written in 1606, early in the reign of James I, who had been James VI of Scotland before he succeeded to the English throne in 1603. 2)

asked by Franco
232. ## HCS/335

what is a example of a unethical law?

asked by bobbi
233. ## algebra

(y^4+3y-5)/(y^2+7) find the quotient

asked by Nick
234. ## bus math

the loan is\$ 50,000 at 9%for 7 years ? what is the first payment and the unpaid balance after the first year

asked by mary
235. ## math

The area of a rectangular swimming pool is given by 3x^2+11x+6 ft^2.One side length of the pool is given by 3x+2 feet. what is an algebriac expression for the other side length of the pool? simplify and include correct units

asked by janice
236. ## calculus

6. What is the derivative of y = square root of 3x ? a.dy/dx = square root of 3x/6x b.dy/dx = square root of 3x/2x c.dy/dx = 2 times the square root of 3x / 3x d.dy/dx = square root of 3x/2 okay i know the answer might not be there but which one do you

asked by Anonymous
237. ## college algebra

b^9/b^3

asked by john
238. ## computer

what computer bus is sometimes called a "traffic cop"

asked by Anonymous
239. ## geometry

If you used the (3/4x,3/4y) to transform the original figure, how would the angles compare? How would the side lengths compare?

asked by Surmooer
240. ## Spanish

I am hoping someone can give me feedback on the following short paragraph on the book "Devil's Highway." I am especially concerned with whether I am using verb tenses correctly. "Devil's Highway" de Luis Alberto Urrea es un libro muy impactante y muy

asked by Jacqueline
241. ## Decision Analysis

Kunfu Company is planning to build a new manufacturing and distribution facility in TT, KK, SS, CC or AA. The company has estimated the facility cost in each country will vary depending on the economic conditions prevailing. The table below provides the

asked by george
242. ## Bio

Is protein an unsaturated fat?

asked by sabrina
243. ## geometry

What is the approximate measure of sqt

asked by mary
244. ## Human Service

Do you have an idea on a movie that focuses on adulthood and life transitions.

asked by Patiance
245. ## stats business

The manager of Fresh Foods, a grocery store in Utah, is considering expanding store hours from the present 7 A.M. to 11 P.M schedule to a 24-hour shopping. Based on information from Information Resources, Inc., a national market research firm, the

asked by Anonymous
246. ## chemistry

WHAT IS THE HEAT CHANGE ASSOCIATED WITH DISSOLVING 5.4g OF AMMONIUM CHLORIDE? TEMPERATURE CHANGE IS 6degrees Celsius.

asked by PINKY
247. ## Physics

A high-performance car accelerates from from zero to 26.8 m/s (60 mi/h) in 3.093 s. Find the magnitude of the car's acceleration.

asked by Anonymous
248. ## Chemistry

Which will evaporate faster, 50ml of 1.0m NaCl or 50ml of pure water?

asked by Jen
249. ## science

If a river is flwoing downstream at a velocity of 2.5 m/s how fast would a kayak be paddled? distance is 4500m

asked by anthony
250. ## new age math

A value of the number k for which there is either no solution or an infinite number of solutions for (y,v) to the system of equations show below 7y-9v=-9 Ky+7v=7

asked by Melissa
251. ## Algebra

The area of the top of a triangular corner desk must be at least 7 sq. ft. If the base of the triangular desk top needs to be four feet, what should the height be?

asked by Melissa
252. ## algebra

A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x+2y inches, the other side should be x^2+6xy-5y^2 inches. Write an algebriac expression for the area of

asked by Laura
253. ## ENGLISH HS

can i begin with. hi ..hello? how are you? and end with thank you very much sir. IN INTERVIEWING(RECORDED)

asked by nelle
254. ## calculus

equation of motion of roller coaster that y=sin(t/2),y=(t-1)(t-2)(t-3)(t-4)(t-5)

asked by Anonymous
255. ## chemistry

1) You have 300 g of H2O how many molecules do you have?

asked by Anonymous
256. ## English

Hello. I need your language help. 1)Is it possible to use Perfect with "at last": "They have at last arrived." 2)Is it possible to use any verb or only "be" (maybe "have"?)in the construction "consider smb/smth to do",for example is it normal to say: "We

asked by Ilma
257. ## german

trink Sie (is it correct)

asked by mel
258. ## math

The circular surface of a table has a diameter of 3 ft. What will cost to have the top refinished if the company charges \$5 per square foot for the refinishing? Use 3.14 for π and round your answer to the nearest cent.

asked by Anonymous
259. ## environmental science

I need a bit of help in the following question: What are the THREE Environmental risks which you are most exposed to in: a) your lifestyle b) at home c)In school/uni

asked by minu
260. ## Math

Daa brought 3 1/3 yards of fabric. She used 2/3. how much fabric did she used

asked by Anonymous
261. ## english

I decided to try this because a lot of students shout out they agree or do agree with the answer. Does this sentence need a comma before because?

asked by MM
262. ## Math

Help me please to simplify 8 to 8th power x 8 negative 8th power

asked by Tiffany
263. ## math

log10(1.4 x 10-5)

asked by mel
264. ## algebra

g(x)=6/5-2x? can someone please help with this problem??

asked by Shan
265. ## chemistry

1) You have 300 g of H2O how many molecules do you have?

asked by Anonymous
266. ## Literature

What is the title of a two word poem with 8 letters in the first word and 33 letters in the last word?

asked by Sharon
267. ## math

how many ways can 3 magazines and 2 newspapers be chosen from 6 magazines and 8 newspapers?

asked by tony
268. ## COMPUTER SCIENCE

What are the most important considerations in planning for navigation within a tutorial?

asked by unknown
269. ## English

When you are doing a bibliography and your book shows 15 different cities it was published can you list just the 1st city....can't find the answer. Thanks

asked by Michael
270. ## english

what is the purpose of agriculturist??

asked by xander
271. ## civics

which government who gave the license to the shopkeepers?

asked by gurman
272. ## rivers and sea

what part of america do you think explores would reach first?

asked by theresa
273. ## Math

-36x^2-300=0 solve for x

asked by Jenny
274. ## math

How can i decipher the following message: Ihcahvgf ikjdq whph ajsparthc oy slh egus slgs slh Kfc Shqsgihjs ukjsgajhc chfaohpgsh gjc kovaktq hxgimfhq ke upymskrpgmly. Ekp hxgimfh, slh Kfc Shqsgihjs ajuftchq mahuhq ke shxs hjupymshc wasl gsogql, g

asked by susan
275. ## math

having troub;e

asked by vanessa
276. ## Maths

Find the equation of the tangents to (x-2)squad + (y+3)sqaud=16 which parallel to the y-axis

asked by Gugu
277. ## rivers and sea

which current travels all the way around the world?

asked by theresa
278. ## social studies

which currents travels all the way around the world?

asked by theresa