# A charge +Q and -2Q were placed on first and third of three very large parallel plates. The middle plate is earthed. Find the chargeon right extreem plate

17,079 questions, page 134

5. An Aspirin manufacturer fills bottles by weight rather than by count. Since each bottle should contain 100 tablets, the average weight per tablet should be 5 grains. Each of 100 tablets taken from a large lot is weighed, resulting in a sample average

asked by Lizzie on March 25, 2015
2. ## Math

I can't figure out this question in my math book. What would be a reasonable answer???: Why is it important to measure variability in a data set? I don't understand my homework,is about round numbers,prime factorizations,and large problems and is to harder

asked by Anna on September 28, 2006
3. ## HELP! - Physics

I need help with this. A frustrated farmer is trying to move a large rock from his land. The stone has a mass of 1275 kg. By using a piece of board as a lever and a fulcrum the farmer will have a better chance of moving the rock. The farmer places the

asked by Johnny on October 28, 2014
4. ## stats

To estimate the mean score  of those who took the Medical College Admission Test on your campus, you will obtain the scores of an SRS of students. From published information you know that the scores are approximately Normal with standard deviation about

asked by Aman on November 6, 2013
5. ## algebra

1. write an equation of the line that passes through the point and has the given slope. write the equation in slope-intercept form. a. (3,2), m=1/2 b. (-3,2), m=1/2 _______ answers: a. y=1/2x + 1/2 b. y=1/2x + 7/2 ______________________________________ 2.

asked by rachel on October 18, 2009
6. ## Any math tutor online? Help

Two companies charge these rates for printing a brochure : Company A charges \$175 for set up and 0.10 pet brochure Company B charges \$250 for set up and 0.07 pee brochure A linear system that model this situation is C=175 + 0.10n C =250+ 0.07 Where c is

asked by Emmanuel on December 15, 2014
7. ## math

One phone plan charges a \$20 monthly fee and \$0.08 per minute on every phone call made. Another phone plan charges a \$12 monthly fee and \$0.12 per minute on each call. After how many minutes is the charge the same for both plans? A.60 minutes B.90 minutes

asked by Johnny on July 14, 2014
8. ## physics

A boat is traveling upstream in the positive direction of an x axis at 14 km/h with respect to the water of a river. The water is flowing at 9.0 km/h with respect to the ground (parallel to the boat). What are the (a) magnitude and (b) direction of the

asked by hannah on February 9, 2010
9. ## Organic Chem

Im not really sure how to begin with this question.. 1. The synthesis of toluene by the aluminum chloride-catalyzed Friedel-Crafts alkylation of benzene is badly complicated by the formation of di-, tri-, and polymethylated benzenes. A simple solution to

asked by Maura on February 11, 2015
10. ## Southern Union

A large building has an inclined roof. The length of the roof is 64.0 m and the angle of the roof is 20.0° below horizontal. A worker on the roof lets go of a hammer from the peak of the roof. Starting from rest, it slides down the entire length of the

asked by Mary Anne on February 8, 2014
11. ## physics

A large building has an inclined roof. The length of the roof is 69.5 m and the angle of the roof is 18.0° below horizontal. A worker on the roof lets go of a hammer from the peak of the roof. Starting from rest, it slides down the entire length of the

asked by Anonymous on April 3, 2013
12. ## Physics

A circuit employs a silicon solar cell to detect flashes of light lasting 0.25 s. The smallest current the circuit can detect reliably is 0.32 μA . Assuming that all photons reaching the solar cell give their energy to a charge carrier, what is the

asked by Joshua on May 6, 2016
13. ## History

1. An increase in immigration to Minnesota resulted in large part from? a. tighter immigration laws b. a rise in global conflict c. and end to refugee status d. the Truman Doctrine 2. The Cold War most directly impacted Minnesotans through a. the Korean

14. ## Pre-Algrebra

Two cell phone companies have different rate plans. Runfast has monthly charges \$10 plus \$4 per gig of data. B A &D’s monthly charge is \$6 plus \$6 per gig of data. Your task, is to determine under what circumstances each company has the better pricing.

asked by Joey on June 1, 2018
15. ## math/algebra

Elena bought 49 packs of red balloons, 66 packs of blue balloons, and 35 packs of yellow balloons. Each contained 12 balloons. She mixed them up and gave away some balloons. She then repacked the balance into packs of 25. QUESTION A: How many balloons were

asked by nancy on October 30, 2018
16. ## grammar..

which sentences need commas ... a) the dessert had a fluffly cream topping b) the fish was served with a rich tangy sauce c) my first job was happy rewarding experience d) Mr.Hawkins has a large collection of rare valuuable coins e) the leader of the rock

asked by Anonymous on April 4, 2011
17. ## Diffraction

Question Details: A row of seats is parallel to a stage at a distance of 8.70 m from it. At the center and front of the stage is a diffraction horn loudspeaker that has a width of 7.50 cm. The speaker is playing a tone at a frequency of 9300 Hz . The speed

asked by Mel on December 2, 2008
18. ## History

Ms. Sue can you please check these?!? 1. The leaders of the Virginia Company recruited more settlers and reorganized the colony. They allowed the new settlers to own land. Those settlers began to grow tobacco, a crop they learned about from the Indians. By

asked by I NEED HELP MS. SUE on October 16, 2015
19. ## History!!!!

Please Please Please Check my answers!! 1. The leaders of the Virginia Company recruited more settlers and reorganized the colony. They allowed the new settlers to own land. Those settlers began to grow tobacco, a crop they learned about from the Indians.

asked by Marie on November 7, 2013
20. ## Calculus angle of elevation

An observer is 31m above the ground floor of a large hotel atrium looking at a glass-enclosed elevator shaft that is 22m horizontally from the observer. The angle of elevation of the elevator is the angle of the observer's line of sight makes with the

asked by fredric on November 10, 2014
21. ## Physics

Any help direction is appreciated. Inez is putting up decorations for her sister's quinceanera (fifteenth birthday party). She ties three light silk ribbons together to the top of a gateway and hangs from each ribbon a rubber balloon. To include the

asked by Hanna on January 24, 2015
22. ## Art

Artists make shapes in the background smaller than shapes in the foreground to communicate their distance from the viewer.How else might a landscape artist show shapes in the background to depict their distance from the viewer? A.Show shapes with bright

23. ## English

ReWrite using APA format 1. Snow,C.E,Burns,M.S& Griffin, P.(Eds).(1998).preventing reading difficulties in young children. Washington,DC:National Academy Press. Suggests that the most effective way to build learners literacy skills is to begin by teaching

asked by itsuwe on February 29, 2016
24. ## Ebglish

I still have afew more doubts 1) The Whigs were in power (and not "in charge") from 1714 and 1760. 2) Avoid writing long-winded sentences linked by the conjuction "and". 3) The ministers' meetings were called Cabinet (better: they developed into the

asked by Mike1 on April 14, 2011
25. ## Physics

The water in a river flows uniformly at a constant speed of 2.53 m/s between parallel banks 69.8 m apart. You are to deliver a package directly across the river, but you can swim only at 1.74 m/s. (a) If you choose to minimize the time you spend in the

asked by Chloe on October 15, 2009
26. ## Math

Can you please check my work since my professor wont. Thanks 50% of 45 solution=90 Predict the height of a woman who's humerus is 40 cm long using H(x)=2.75x+71.48 solution= 181.48cm Trains A and B are traveling in the same direction on parallel tracks.

asked by Mio on March 23, 2011
27. ## physics

A train is moving parallel to a highway with a constant speed of 16.0 m/s. A car is traveling in the same direction as the train with a speed of 36.0 m/s. The car horn sounds at a frequency of 504 Hz, and the train whistle sounds at a frequency of 314 Hz.

asked by Anonymous on March 25, 2012
28. ## algebra

David makes and sells chairs. The function p(x)=-10x^2 + 100x - 210 indicates how much profit he makes in a month if he sells the chairs for 10 - x dollars each. What should David charge per chair to make the maximum profit, and what is the maximum profit

asked by Anonymous on January 10, 2018
29. ## English

There are three kinds of street food. One is beaver tails, another is Brussels waffles, and the other is stick food. Which food do you like the most and why do you like the street food? I like beaver tails the most because they taste sweet. I like Brussels

asked by rfvv on June 1, 2015
30. ## biology

In tomatoes, red fruit is dominant to yellow fruit color. A farmer has plants that produce either red or yellow tomatoes. he has signed a contract with a large seed company to provide pure red dees and pure yellow seeds. the do not want hybrids. How can

asked by kelly on October 15, 2007
31. ## Another niology/science question

In tomatoes, red fruit is dominant to yellow fruit color. A farmer has plants that produce either red or yellow tomatoes. he has signed a contract with a large seed company to provide pure red dees and pure yellow seeds. the do not want hybrids. How can

asked by Kellie on October 15, 2007
32. ## Modeling our world

In the Fall Semester, many high schools hold special events to welcome students back to school and to help the students new to the school get into the spirit of the new year. The Student Council decided to order spirit ribbons for all students to wear at a

asked by Cindy on June 2, 2016
33. ## geometry

How do you find the perimeter of a second polygon given just the scale factor of both polygons and the perimeter of the larger polygon? The problem is Two similar polygons have a scale factor of 3:5. The perimeter of the large polygon is 120 feet. Find the

asked by Melanie on February 4, 2012
34. ## physics

Is saying light is electrically polarized , saying it is an electric dipole? Your question can be answered using either wave or particle models of light. In the wave model, polarization is related to the direction of the oscillating electrical field

asked by laura on June 11, 2007
35. ## general chemestry

A 55-year-old woman visits a popular eatery for lunch. She orders a cheese and bacon pizza with extra cheese and has about 3 large glasses of cola (ph value 3). On the way back home, she experiences heartburn and abdominal pain, and has difficulty

asked by lorena on January 22, 2013
36. ## chemistry

A 55-year-old woman visits a popular eatery for lunch. She orders a cheese and bacon pizza with extra cheese and has about 3 large glasses of cola (ph value 3). On the way back home, she experiences heartburn and abdominal pain, and has difficulty

asked by mema on June 25, 2011
37. ## Physics

he weight of the block in the drawing is 77.0 N. The coefficient of static friction between the block and the vertical wall is 0.490. (a) What minimum magnitude of the force is required to prevent the block from sliding down the wall? (Hint: The static

asked by Samantha on November 7, 2013
38. ## Algebra HELP :(

If you write a check without enough money in the bank, a certain store will charge you a penalty if the check is returned to them from the bank. The penalty is 5% of the amount of the check plus a \$10 processing fee. Let n= the amount of the check and p

asked by bart on June 4, 2010
39. ## Economics

Yeah, so I'm in urgent need of help with this homework. 1. Assume that in a perfectly competitive market, a firm's costs and revenue are: Marginal cost = average variable cost at \$20 Marginal cost = average total cost at \$30 Marginal cost = average revenue

asked by Jon on October 31, 2007
40. ## Civics

The president of the United States is the head of the executive branch and plays a large role in making America's laws. His job is to approve the laws that Congress creates. When both chambers have approved a bill, they send it to the president. In order

You are a technical writer in a large company, working on a training manual to help new users learn the company's computer system. Employees will use your manual in training seminars taught by your company's trainers. the manual will aslo serve as an

asked by Anonymous on March 31, 2009
42. ## statistics

A random sample of 31 people employed by the Florida state authority established they earned an average wage (including benefits) of \$56 per hour. The sample standard deviation was \$6.35 per hour. (a)What is your best estimate of the population mean?

asked by tina on March 8, 2012
43. ## Science

Human Body & Disease Practice 1) Which of the following effects would you expect if red blood cells were shaped like neurons? :They would not be able to move as easily through capillaries.*** :They would more easily carry out gas exchange in the alveoli.

asked by TheLOUDEST_0430 on March 3, 2015
44. ## human behavior in organization pls. need help.

please can you help to get an answers from your own words. this is my assessment and i need tosubmit but i relly could not get the best answer.it's maybe because of my mother tongue is not an english.i would be very happy if you can help me so that i can

asked by jessie on October 12, 2011
45. ## Physics

In proton-beam therapy, a high-energy beam of protons is fired at a tumor. The protons come to rest in the tumor, depositing their kinetic energy and breaking apart the tumor’s DNA, thus killing its cells. For one patient, it is desired that 0.10 J of

asked by Lisa on October 6, 2013
46. ## math

A large bicycle retailer collects data on the number of bicycles in each store compared to floor space of each store. The data is given in the table below. Number of Bicycles 60 56 208 52 70 55 Floor Space (sq ft) 1400 1140 3250 1100 1500 1280 a) Determine

asked by kelley on April 10, 2014
47. ## History

My question is this: What were some positive and negative effects that John D. Rockefeller had on big business in the late 19th century? My answer for positive effects is: He made prices cheaper for the people. Because of Rockefeller and other big

asked by B.B. on December 20, 2009
48. ## Math

On July 5th six different people reported to the police that they had seen Bigfoot, the large hairy creature sometimes seen but never captured. The next day, twice as many people called the police; sure they had seen the creature. Each day the police

asked by Lilly on October 2, 2011
49. ## math

You are planning a vegetable garden and you lay out a rectangular design 10 feet wide by 20 feet long. After laying out the design you decide you want a larger garden and decide to increase the length of the garden by a length of 2x feet and increase the

asked by MATH! on April 26, 2016
50. ## Physics

When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 914 N and the drag force has a magnitude of 1120 N.

asked by Donald on October 3, 2012
51. ## Physics

two long, parallel lines each carry 100-A currents are 20 cm apart. 1) calculate the magnetic field at the point C that is 5 cm to the left from the left wire. 2) calculate the magnetic field at the point C that is 5 cm to the right from the left wire. 3)

asked by Michelle on March 18, 2018
52. ## math

An artisan can sell 120 garden ornaments per week at \$4 per ornament. For each \$0.50 decrease in price, he can sell 20 more ornaments. a) determine algebraic expressions for the price of a garden ornament and the number of ornaments sold. b) write an

asked by Gianluca on November 20, 2010
53. ## earth science

The Central African Republic is located close to the geometric center of Africa. It's gross domestic product (GDP) is ranked 166th out of 188 nations. Which of the statements below is most likely to be FALSE. A. Significant portions of the country could be

asked by mam on October 1, 2018
54. ## economics

Numerous times is history, the courts have issued consent decrees requiring large companies to break up into smaller competing companies for violating the antitrust laws, The two best known examples are American telephone and telegraph (AT&T) in the 1980s

asked by Carol on July 13, 2010
55. ## Economics

Numerous times is history, the courts have issued consent decrees requiring large companies to break up into smaller competing companies for violating the antitrust laws, The two best known examples are American telephone and telegraph (AT&T) in the 1980s

asked by carrie on July 14, 2010
56. ## Chemistry

Problem If 1500 white blood cells are lined up side by side, they would form a row 1.0 inch long. What is the average diameter of a single white blood cell? (1 inch = 2.54cm) Set up a proportion. 1500/2.54 = 1/x x is the length of 1 white blood cell. Seems

asked by Bryan on January 23, 2007
57. ## Algebra

A community college campus plans to construct a rectangular parking lot on land bordered on one side by a highway. There are 640 feet of fencing available to fend the other three sides. Let x represent the length of each of the two parallel sides of

asked by Shannon on November 26, 2014
58. ## algebra

please tell me if these are right. Soybean meal is 12% protein, cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240-lb. mixture that is 11% protein? 80 pounds soybean and 160 pounds of cornmeal Trains A and B are

asked by babs on August 5, 2011
59. ## Physics

A 2.3 kg ball tied to a string fixed to the ceiling is pulled to one side by a force Farrowbold to an angle of θ = 26.4°. Just before the ball is released and allowed to swing back and forth, how large is the force Farrowbold that is holding the ball in

asked by Anonymous on February 12, 2012
60. ## Physics

A 2.3 kg ball tied to a string fixed to the ceiling is pulled to one side by a force Farrowbold to an angle of θ = 26.4°. Just before the ball is released and allowed to swing back and forth, how large is the force Farrowbold that is holding the ball in

asked by Anonymous on February 12, 2012
61. ## Physics

A 2.3 kg ball tied to a string fixed to the ceiling is pulled to one side by a force Farrowbold to an angle of θ = 26.4°. Just before the ball is released and allowed to swing back and forth, how large is the force Farrowbold that is holding the ball in

asked by Anonymous on February 12, 2012
62. ## AP CHEM FULL ?

This is part of a marathon problem, we have to identify the five compunds of H, N, and O described below. For each compound, I have to write a Lewis structure that is consistent with the information given. a.) All the compunds are electrolytes, although

asked by Sam on December 2, 2006
63. ## United States History

How is this map different from a typical map of the United States? I couldn't get the map to paste here but it is of the Eastern United States with all the states names crossed out and Irish names put in. circa 1900's I think it was during the potato

asked by Steve on September 22, 2016
64. ## physics

An automobile traveling 95 overtakes a 1.10--long train traveling in the same direction on a track parallel to the road. Q1: If the train's speed is 75 , how long does it take the car to pass it Q2:How far will the car have traveled in this time? Q3:What

asked by kelly on April 8, 2012
65. ## physics

An automobile traveling 95 overtakes a 1.10--long train traveling in the same direction on a track parallel to the road. Q1: If the train's speed is 75 , how long does it take the car to pass it Q2:How far will the car have traveled in this time? Q3:What

asked by kelly on April 8, 2012
66. ## physics

An automobile traveling 95 overtakes a 1.10--long train traveling in the same direction on a track parallel to the road. Q1: If the train's speed is 75 , how long does it take the car to pass it Q2:How far will the car have traveled in this time? Q3:What

asked by kelly on April 8, 2012
67. ## Grammar

I'm having trouble with these sentences. The focus is on modifers, shifts and parallel constructions. I've attempted some of the sentences i was wondering if you can check if they are correct. Thank you for the help. 1. We are not only what we eat but also

asked by Tiffany on November 9, 2006
68. ## Geography (Ms. Sue)

1). Why were people able to say, "The sun never sets on the British Empire"? A: People were able to this because the British Empire was so large and covered so many parts of the globe that it was always daylight somewhere in the empire. 2). Why do you

asked by Anonymous on October 3, 2013
69. ## Physics

A 0.40kg block is held against a compressed spring of stiffness 68.2N/m and compression 0.64m parallel to a 24 degree incline that is 1.27m long. The coefficient of kinetic friction between the block and the incline is 0.34. The external force holding the

asked by Alphonse on October 18, 2012
70. ## Science

1. If the net force on an object is O N, the forces are considered unbalanced true false 2. Most people in the united states use feet and miles to measure distance in their everyday lives. why do scientist in the United States use meters to measure

asked by Anonymous on April 26, 2014
71. ## Technology

Short answer question: #22. Describe the three steps required to make steel. My answer: There are three steps required to make steel, which include: Iron smelting, Steelmaking, and Steel finishing. The first step, iron smelting, produces pig iron which is

asked by y912f on January 28, 2010
72. ## physics

A satellite with a mass of 260 kg approaches a large planet at a speed vi,1 = 13.1 km/s. The planet is moving at a speed vi,2 = 10.2 km/s in the opposite direction. The satellite partially orbits the planet and then moves away from the planet in a

asked by lanre on June 12, 2012
73. ## PHYSÝCS HELP

A satellite with a mass of 113 kg approaches a large planet at a speed vi,1 =10.3 km/s. The planet is moving at a speed vi,2 =14.6 km/s in the opposite direction. The satellite partially orbits the planet and then moves away from the planet in a direction

asked by TUGÝ on March 30, 2012
74. ## CALCULUS ECONOMICS

Consider an economy in which a monopolistic firm serves two identical, but separate markets, called A and B. The aggregate inverse demand in each market is given by 1000−q. The cost function for the monopolist is given by (qA+qB)^2, where qA andqB

asked by Jenney on March 13, 2014
75. ## AP Chem - Science

For a cell of the CsCl type (figure 9.18), how is the length of one side of the cell,s, related to the sum of the radii of the ions, r subscript cation + r subscript anion? Figure 9.18 : i . imgur . com / zHj2SGW.png Another question : Consider the NaCl

asked by Kony on December 5, 2013
76. ## Science

For a cell of the CsCl type (figure 9.18), how is the length of one side of the cell,s, related to the sum of the radii of the ions, r subscript cation + r subscript anion? Figure 9.18 : i . imgur . com / zHj2SGW.png Another question : Consider the NaCl

asked by Joe on December 7, 2013
77. ## stats

The Ledd Pipe Company has received a large shipment of pipes, and a quality control inspector wishes to estimate the average diameter of these pipes. A random sample of 18 pipes produces an average diameter of 2.56 mm with a standard deviation of 0.05 mm.

asked by johnny on November 27, 2012
78. ## Physical Science

Here are a few questions that I have answered; can someone please check if they are correct? Thanks! 1.In which type of waves do the particles in a medium move parallel to the direction that the waves move? Ans- longitudinal waves 2.Which type of wave

asked by mysterychicken on May 4, 2009
79. ## Algebra

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling 40 miles per hour. Train B is traveling 48 miles an hour. Train A passes a station at 10:25 pm. If train B passes the same station at 10:55 pm, at what time will

asked by Jerry on July 27, 2008
80. ## Math

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 8:20 p.m. If train B passes the same station at 8:32 p.m., at what

asked by Anonymous on August 2, 2008
81. ## physics

At a point P, the electric field is 78 N/C at 51° counter-clockwise from the positive x axis. A particle of mass 4.7 kg and charge -0.11 C is located at P. Find the direction of the force on the particle: ___ degrees counter-clockwise from the positive x

asked by Anonymous on September 14, 2014
82. ## Geography

19. The spread of Hinduism, Buddhism, and Islam throughout Southeast Asia best exemplifies what geographic theme? a. movement b. location c. place d. absolute region 28. What information would be the most helpful in drawing inferences about why certain

asked by mysterychicken on November 16, 2009
83. ## Math

The owner of a large company is conducting a survey about job satisfaction, including questions about salary, hours, stress, and other conditions. There are about 800 employees in the company, including 100 executive positions, 650 middle-management

asked by Fatima on August 7, 2012
84. ## World History- (Ms. Sue)

What were the two ways that the North and the South differed by the mid-1800's? My answer: The North had a rapidly growing economy with a large and rapidly growing urban population and no slavery north of the border states. The South was dominated by a

asked by Victoria on February 26, 2013
85. ## calculus

given the following function find, a. zeros and the multiplicity of each b. number of turning points c. end behavior f(x)=(x-1)(x-5) a. x=1 and x=5--is this correct? b. number of turning points I had f(x)-0 BUT my teacher said this-- Note that the equation

86. ## Statistics

2.5 Points 30% of the fifth grade students in a large school district read below grade level. The distribution of sample proportions of samples of 100 students from this population is normal with a mean of 0.30 and a standard deviation of 0.045. Suppose

asked by Amy on February 10, 2016
87. ## physics

(a) Calculate the mass flow rate (in grams per second) of blood (ρ = 1.0 g/cm3) in an aorta with a cross-sectional area of 2.0 cm2 if the flow speed is 33 cm/s. Answer is in g/s (b) Assume that the aorta branches to form a large number of capillaries with

asked by caitlin on October 27, 2011
88. ## Physics

7. Which of the following object(s) would be suitable for building a functional clock? Note: you must clearly mark your answer (for example, highlight it in red) from the multiple-choice list below and you must provide an explanation of your answer(s) to

asked by Anonymous on July 9, 2013
89. ## Confused about how this is worded?

I'm having a hard time trying to understand what my teacher and the article I read are saying here? Could you put it into easier words for me? For the West, "A house was a capital investment, perhaps the prototype for all fixed capital investment, an

asked by Jill on November 6, 2011
90. ## Physics

I need help on two problems :P 1. A spherical balloon is partially blown up and its surface area is measured. More air is added increasing the volume of the balloon. If the surface area of the balloon expands by a factor of 2.0 during this procedure, by

asked by Johnny on September 1, 2010
91. ## Math

What is the solution of the following equation? 2 – 8x = -6 Is the ordered pair (-2, 9) a solution of the equation y = x - 7? Solve the following equation. 3(z – 2) – z = 4z – 20 Find the slope of the line that passes through the points (4, 8) and

asked by REEEEEEEEEE on January 16, 2018
92. ## Math-Geometry

Starting from the point (0,0), a grasshopper makes a series of moves on the coordinate plane. The grasshopper's first move takes her to (3,4). She then proceeds via this rule: Move Rule: After a move which adds (x,y) to the grasshopper's coordinates, her

asked by Beth on October 21, 2017
93. ## math

23. There are two telephone companies provide home phone service in New York City. Company A charges \$25 monthly fee and \$0.10 for one minute after 30 minutes phone call. Company B charges \$20 monthly fee and \$0.12 for one minute after 30 minutes phone

asked by vincent on August 21, 2014
94. ## math

23. There are two telephone companies provide home phone service in New York City. Company A charges \$25 monthly fee and \$0.10 for one minute after 30 minutes phone call. Company B charges \$20 monthly fee and \$0.12 for one minute after 30 minutes phone

asked by vincent on August 25, 2014
95. ## Social Studies

1. The leaders of the Virginia Company recruited more settlers and reorganized the colony. They allowed the new settlers to own land. Those settlers began to grow tobacco, a crop they learned about from the Indians. By 1612, Virginians were shipping

asked by Hannah on October 3, 2014
96. ## math

An elementary school has a large lunch room containing many tables. One day at lunch, the children at one table decide to see how long it will take to spread a rumor throughout the entire room. Each minute, the number of tables that know the rumor doubles

asked by Anonymous on August 3, 2012
97. ## math

An elementary school has a large lunch room containing many tables. One day at lunch, the children at one table decide to see how long it will take to spread a rumor throughout the entire room. Each minute, the number of tables that know the rumor doubles

asked by Anonymous on August 2, 2012
98. ## chemistry

What is the molar solubility of silver carbonate Ag2CO3 at 25 C if it is dissolved in a 0.15M solution of silver nitrate, AgNO3? Solubility constant: silver carbonate = 8.1 *10^(-12) Answer: 3.6 *10^(-10) So... not sure exactly what to do here. AgCO3 +

asked by molar solubility on July 30, 2011
99. ## Calculus

An observer is 36m above the ground floor of a large hotel atrium looking at a glass-enclosed elevator shaft that is 26m horizontally from the observer. The angle of elevation of the elevator is the angle of the observer's line of sight makes with the

asked by Zee on March 10, 2015
100. ## Bacteria

I was growing some bacteria in Petri dishes that I got from wiping my hand with a q-tip. Condensation appeared directly above the bacteria when they got somewhat large. Was this H20 or something else? And why did it form? Humm The products of ellular

asked by Sara on January 14, 2007