# 1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find

92,916 questions, page 889
1. ## english

In the answer area below, write the 2 adverbs in this sentence and explain how each adverb is used. Example: Eventually, she walked proudly. Answer: eventually - eventually tells when she walked ; proudly - proudly tells how she walked Sentence: She walked

asked by Jason on October 19, 2010
2. ## Physics

You are flying to the Moon. Find the point at which the gravitational attractions of Earth and Moon on you will be equal and opposite. Given: radius of the moon: 1.74*10^6 m radius of the earth: 6.38*10^6 m orbital radius of the moon: 3.8*10^8 m Not enough

asked by Katie on June 14, 2007
3. ## Chemistry HELP! CONFUSED!

How do you do this? please help. Thank you. A.) Suppose 2.5 grams of sodium hydrogen carbonate reacts with acetic acid, calculate how many liters of carbon dioxide gas will be produced at 22 degrees celcius and 1.10 atm. B.) Suppose 0.990 liters of carbon

asked by Julia B on January 2, 2017
4. ## to writ teacher

Life after College Caitlin Petre is a graduate from Stanford University. She graduated with a 3.90 GPA with a Master’s degree in Philosophy. One day after graduation, Petre went for an interview for a job and she was asked to fill out a W-4 form. When

asked by julie on November 28, 2007
5. ## english essay

Life after College Caitlin Petre is a graduate from Stanford University. She graduated with a 3.90 GPA with a Master’s degree in Philosophy. One day after graduation, Petre went for an interview for a job and she was asked to fill out a W-4 form. When

asked by julie on November 28, 2007
6. ## Physics

(a) Find the electric field at x = 5.00 cm in Figure 18.52(a), given that q = 1.00X10^-6;C . (b) At what position between 3.00 and 8.00 cm is the total electric field the same as that for –2q alone? (c) Can the electric field be zero anywhere between

asked by Elizabeth on August 8, 2016
7. ## English

I left out the following sentences. Thank you very much. I find it difficult to reorganize the sentences. 1) Prospero may be seen as a theatre director (through his magical art he controls all the events? but also as the projection of Shakespeare himself.

asked by Matthew on April 6, 2012
8. ## Statistics

Did you ever buy an incandescent light bulb that failed (either burned out or did not work) the first time you turned the switch on? When you put a new light bulb into a light fixture, you expect it to light and most of the time it does. Consider 8-packs

asked by Jenny on January 12, 2015
9. ## math - probability

Imagine a LONG bike with a total of 4 wheels - 2 in the front and 2 in the back. For the bike to work at all, at least 1 front wheel and 1 back wheel must be operational. All 4 tires are the same and each, individually, has probability 'p' of failing. What

asked by andrew on November 3, 2006
10. ## algebra

15. Each of the following temperature ranges is in degrees Fahrenheit. Use the formula F=95 C+32 to find the corresponding temperature range in degrees Celsius (using interval notation and assume inclusion). 16.The fuel efficiency (mpg rating) for cars has

asked by Keonn'a on August 31, 2018
11. ## Statistics

1. A human gene carries a certain disease from a mother to her child with a probability rate of 0.58. That is, there is a 58% chance that the child becomes infected with the disease. Suppose a female carrier of the gene has five children. Assume that the

asked by Lisa on September 29, 2013
12. ## economics

Suppose the president is attempting to decide whether the federal gov should spend more research to find a cure for heart disease. How should policy makers determine the amount of money that should be allocated for research curing heart disease? they

asked by jamma on September 21, 2012
13. ## Algebra

Jon invested a total of \$40,000 in 3 different bank accounts. One pays an annual interest rate of 3%, the second account pays 5% annual interest and the third account pays 6% annual interest. In one year, Jon earned a total of \$1960 in interest from these

asked by nimsaj on August 24, 2017
14. ## Chemistry

I've got a similar question as a previous student. What is a minimum volume (in gallons) of ethylene glycol (CH2OHCH2OH, an antifreeze) that has to be added to 3.00 gal of water if you desire this engine cooling solution (for a auto radiator) NOT to be

asked by Holly on September 25, 2012
15. ## Math

what value of m will make 4x-7y=5 and 9x+my=3 parallel? a car leaves town A at 10:00 a.m. and travels at a constant speed of 40 kph towards a town B. After 30 minutes, a bus leaves town A and travels towards town B at a constant speed of 56 kph. at what

asked by Riza on September 22, 2013
16. ## art

Search the internet and find one specific example of each of the eight types of art listed below. Your examples should be by established artists and/or from museum collections online. Submit the URL for each example, a description of the art and an

asked by valarie on May 1, 2009
17. ## science

what does manipulated varible mean? what does responding varible mean? what does hypothisis mean? In an experiment, a manipulated variable is one that can be easily changed by the xperimenter, such as the length of a pendulum The responding variable will

asked by tessa on November 19, 2006
18. ## math

1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 115

asked by Lacy on October 27, 2010

1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 115

asked by lee on October 27, 2010
20. ## Psychology -- I need urgent help please

The brain produces and exchange millions of neurotransmitters every hour. I need to support this because this is what I have written in my work and a student brought that up to my attention. Can someone help help support this with a source? I have been

asked by Anonymous on July 22, 2006
21. ## To "rachel" or "jen" or whoever

Please remember these things: 1. This is a homework help website; please put your subject (math, science, English, or ??) in the subject line to make it faster for each teacher to find those questions in his/her areas. An even better subject heading would

asked by Writeacher on June 7, 2007
22. ## Math Rates/proportions

I have two questions that are based on the following chart: Activity Cal/h Bicycling 6mi/h 240 Bicycling 12 mi/h 410 Cross country sking 700 Jogging 5 1/2 mi/h 740 Jumping rope 650 Running 10 mi/h 1,280 Swimming 25 yd/min 275 Swimming 50 yd/min 500 Tennis

asked by Mary Mac on May 16, 2008
23. ## Physics

1. An arrow is shot from the top of a 50 m castle wall at 18 m/s horizontal to the ground. How far from the base of the castle wall will it land? 2. A cannon with a muzzle velocity of 45m/s is shot a various angles to get maximum distance. The general

asked by Bryan on February 21, 2016
24. ## Algebra

One month Ivanna rented 5 movies and 3 video games for a total of \$29. The next month she rented 2 movies and 12 video games for a total of \$71. Find the rental cost for each movie and each video game. Rental cost for each movie? Rental cost for each

asked by Charlie on March 30, 2014
25. ## Educational Technology

1. Which of the following choices is a strategy that could help with time management? A. Spending most of the day on leisure activities. B. Doing homework in every spare moment. C. Cutting back on sleep. D. Creating a list of tasks to be completed daily.*

asked by Chris on April 16, 2014
26. ## Physics

A spring has a force constant of 100N/m and an unstretched lenght of .07 m. One end is attached to a post that is free to rotate in the center of a smooth table. The other end is attatched to a 1 kg disc moving in uniform circular motion on the table,

asked by Tammy on March 26, 2007
27. ## Physics

Engineering a highway curve. If a car goes through a curve too fast, the car tends to slide out of the curve. A frictional force acts on a fast car to oppose the tendency to slide out of the curve. Consider a circular curve of radius R and bank angle θ,

asked by Natalia on July 6, 2015
28. ## math

The tread depth of the tires on your family's new car is 3/8 inch. you predict that, as a result of driving the car, the change in tire tread depth will be about -3/64 inch per year. A. write a variable expression for the tire tread depth after y years of

asked by matt on January 7, 2009
29. ## physics bob

still i cant find the normal force without mass of automabile. is normal force mass times gravity sin theta? on a level road the stopping distance for an automobile is 35.0m for an initail speed of 90 km/hr what is the stopping distance of the same

asked by anthony on October 31, 2010
30. ## algebra 2

A garden supply store sells two types of lawn mowers. The cashiers kept a tally chart for the total number of mowers sold. They tallied 30 mowers sold. Total sales of mowers for the year were \$8379.70. The small mowers cost \$249.99 and the large mowers

asked by hannah on October 29, 2013
31. ## algebra 2

A garden supply store sells two types of lawn mowers. The cashiers kept a tally chart for the total number of mowers sold. They tallied 30 mowers sold. Total sales of mowers for the year were \$8379.70. The small mowers cost \$249.99 and the large mowers

asked by hannah on October 29, 2013
32. ## macroeconomics

Suppose in 2009 the united states congress passes a minimum wage law that increases the minimum wage (the lowest legal wage) to 7.25 per hour and has a provision that increases the minimum wage at the beginning of each year based on the CPI for the

asked by sally on February 27, 2010

3. A hot air balloon is at a height of 2,250 feet. It descends 150 feet each minute. Find it's height after six, eight, and ten minutes. Make a table to show the pattern of heights. Write an expression for the balloon's height at "m" minutes. This one just

asked by Kirsten on September 18, 2013

Disussing the future of management, Manager A maintains that we can expect a continued rise of virtual management and growth in technology. Manager B acknowledges that Managers A's projuctions are likely, but incomplete. He adds that there will also be an

35. ## english

Draw two lines under the verb in each sentence below. Indicate the tense of the verb. 1.The children of Israel have defeated Jericho. 2.The spoil from the city is the Lord's. 3.Achan, however, committed a trespass against the Lord. 4.He had taken clothing,

asked by john on December 7, 2008
36. ## Math

cameron is playing 9 holes of golf. He needs to score a total of at most 15 over par on the last four holes to beat his best golf score. On the last four holes, he scores 5 over par, 1 under par, 6 over par and 1 under par. a. write an find the value of an

asked by Author on August 17, 2016
37. ## Inorganic

Hi, I have an lab I am doing in inorganic chemistry and it is where we synthesized our own compounds by adding together a bunhc of differnt ones. We are now asked to calculate the theoretical yield and they tell us which one is the limiting reagent. My

asked by Sarah on November 2, 2007
38. ## Math

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 earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where

asked by Algebra on October 21, 2011
39. ## Math

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 earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where

asked by Student 315 on October 21, 2011
40. ## physics

As shown in the figure, a block of mass M1 = 0.470 kg is initially at rest on a slab of mass M2 = 0.850 kg, and the slab is initially at rest on a level table. A string of negligible mass is connected to the slab, runs over a frictionless pulley on the

asked by Jimmy on October 17, 2011
41. ## chemistry

Please judge my answer: Question: 24 mL of 0.39 mol/L acetic acid is titrated with a standardized 0.33 mol/L KOH solution. Calculate the pH of the solution after 17 mL of the KOH solution has been added. Assume the Ka of acetic acid is 1.8 x 10-5. Answer:

asked by Abigail on April 15, 2008
42. ## Finance

You take out a 30-year \$100,000 mortgage loan with an APR of 6 percent and monthly payments. In 12 years you decide to sell your house and pay off the mortgage. What is the principal balance on the loan? I am working this on the assumption that your

asked by Antoinette on March 18, 2007

The problems: 0.0513 grams of Al (Wt. 27.0) was reacted with excess HCI to produce H2 according to the following balanced equation: 2 Al + 6 HCI ---> 2 AlCl3 + 3 H2 a) Determine the number of moles of H2 evolved from that quantity of Al when collected over

asked by Kishwa on April 23, 2013

A truck driver, on assignment from the owner of the truck is to drive on a 300 mile stretch of highway at a constant speed of v miles per hour. According to road signs, the minimum speed allowed is 55 miles per hour and the speed limit is 70 miles per

asked by Chris on March 24, 2013
45. ## college algebra

Annual profit in thousands of dollars is given by the function, P(x) = -.1x2 + 50x - 300, where x is the number of items sold, x ≥ 0. describe the meaning of the number -.1 in the formula, in terms of its meaning in relation to the profit. describe the

asked by DillonAngel on September 15, 2011
46. ## Calculus/ Optimization

A truck driver, on assignment from the owner of the truck is to drive on a 300 mile stretch of highway at a constant speed of v miles per hour. According to road signs, the minimum speed allowed is 55 miles per hour and the speed limit is 70 miles per

asked by Marto on March 24, 2013

Would you please explain the steps you used to get the answer 2469. Thank you Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged

asked by TO: Steve on March 8, 2012
48. ## macro economy

December 1994 a man in ohio deposited all of the 8 million pennies He had been saving for 65 year(his deposit weghed 48000 pounds) with reserve requirement of 55 what will be the cumulative change to the baking system? a)transaction deposit b)Total

asked by Jasmin on November 13, 2006
49. ## statistics

Reading placement scores for a particular college are normally distributed with a mean of 72 and a standard deviation of 7. a) draw a sketch of the reading placement scores for students at this college. be sure to mark the mean and also to mark one and two

asked by whitney on June 3, 2012
50. ## Synonym/Antonym

Word bank: locality, finally, legally, equality, fatality, actually, really, totally, mentally, morally, nationally, punctuality, generally, personality, individually, originality, practically, formality, technicality, sentimentality completely

asked by Valerie on December 13, 2006
51. ## college physics

A cue ball initially moving at 4.3m/s strikes a stationary eight ball of the same size and mass. After the collision, the cue ball’s final speed is 2.3 m/s at angle 1 with respect to it's original line of motion. The 8 ball moves with unknown speed at an

asked by sarah on March 10, 2011
52. ## Physics

ok I'll be using a home work problem to ask the question. I'm not asking for help on the question I got the correct answer just need to understand this concept better. Calculate the acceelration due to gravity on the Moon. The moon's radius is about 1.74 E

asked by QUESTION on September 12, 2009
53. ## Trig

Find the exact value of sin2(theta) if cos(theta) = -sqrt 5/3 and 180 < theta < 270. A)-1/9 B)-4 sqrt 5/9 C)1/9 D)4 sqrt 5/9 B? sin^2(theta) + cos^2(theta) = 1 sin^2(theta) = 1 - cos^2(theta) sin^2(theta) = 1 - (sqrt 5/3)^2 sin^2(theta) = 1 - (sqrt 25/9)

asked by Jon on February 15, 2008
54. ## Physics

a pendulum bob with a mass of 0.13 kg is attached to a string with a length of 0.95 m. we choose the potential energy to be zero when the string makes an angle of 90 degrees with the vertical. (a) find the potential energy of this system when the string

asked by Erica L on January 26, 2011
55. ## Physics help

a pendulum bob with a mass of 0.13 kg is attached to a string with a length of 0.95 m. we choose the potential energy to be zero when the string makes an angle of 90 degrees with the vertical. (a) find the potential energy of this system when the string

asked by Erica L on January 26, 2011
56. ## Physics

in the laboratory frame, a photon of energy 8.0 x 10^3 eV and a free electron of energy 2.0 x 10^3 eV (consider what is meant by 'energy' here; is it kinetic energy? total energy? can it be total energy?) are moving directly towards each other and collide

asked by deniz on October 22, 2016
57. ## Math(radicals or square roots)

i need a explanation for this equation: 5 radical(square root) 108 over 25 the 5 is in front of the square rooted number and it is a fraction PlEASE HELP :( That is not an equation. It is a number. It sounds like you are describing the fifth root of 108,

asked by gr8 on January 10, 2007
58. ## English

Is the following sentence a complex sentence? As a result of showing my gregarious personaity, I have many friends. No, it's not complex. Before the comma, there needs to be a clause, not a phrase. Did you find my correction below?? Let me know how you

asked by Shari on August 12, 2007
59. ## intro to physics

A small object of mass m = 2.25 kg is released, starting at rest, from a height h above the ground on a ramp inclined at 45.0o (see figure below). The object reaches the bottom of the ramp and enters a loop-the-loop of radius R = 1.25 m. There is no

asked by physics help on November 23, 2017

How do I tell if this is a mean or a proportion 1. Insurance companies track life expectancy information to assist in determining the cost of life insurance policies. The insurance company knows that, last year, the life expectancy of its policyholders was

asked by LT on November 12, 2007
61. ## English

Here are some sentences on the same theme I'd like you to check. I included a few sentences on reading habits and a few words I don't know if they exist. 1) Is the verb "punch" correct in the sentence: Punch your ticket (check), then go on the platform.

asked by Henry2 on October 3, 2011
62. ## social studies

The Aztecs forced the people they conqured to pay trubits, or taxes in the form of food, gold or slaves. They also took thousands of prisoners of war to serve as human sacrifices. The Aztecs believed that they had to sacrifice humans to the gods so that

asked by Deez Got Hee on October 7, 2015
63. ## Biology

Explain how the lacfk of genetic diversity found in populations of endangered species might hinder their recovery Genetic diversity is needed to cope with environmental changes. With genetic diversity, if there are large changes in the environment, at

asked by Tim on August 6, 2007

Diagram has 4 rectangular corrals with a barn above it. Sides (front to back) are attached to the barn. Fencing is not needed along the back of the barn. P= 200 ft of fencing If each corral is 16 ft long (front to back), how wide will each corral be, what

asked by Cole n Cynthia on October 9, 2012
65. ## Finance; Stock Valuation

Early in 2007, Inez Marcus, the chief financial officer for Suarez Manufacturing, ws given the task of assessing the impact of a proposed risky investment on the firm's stock value. To perform the necessary analysis, Inez gathered the following information

asked by Tina on July 22, 2007
66. ## ALGEBRA 1

still working on this and need additional help two houses are for sale on the same street. the second house has 1000 square feet less than twice the square feet of the first house. together the houses have 4400 square feet. what is the square footage of

asked by DEBBIE on April 29, 2010
67. ## Physics

NASA lost contact with Pioneer 10 on January 22, 2003. How far in meters was it from the sun on that date? Pioneer 10 was traveling at 12.24 km/s relative to the sun. Calculate the position of Pioneer 10 as of January 2009 relative to the sun. Pioneer is

68. ## algebra 2 A

Unit 5: Quadratic functions and equations. I need help with the Firework display portfolio?? Fireworks Display Portfolio ALGEBRA 2 A: QUADRATIC FUNCTIONS AND EQUATIONS Directions: You are part of a fireworks crew assembling a local fireworks display. There

asked by Cody on October 28, 2015
69. ## Math

Find the simplest algebraic expression for the following situation.          Susie, Sarah, and Tamera are planning to knit sweaters for their family.  The sweaters will be made with yellow and blue yarn.       Susie needs to order 5

asked by Nyasia on September 7, 2017
70. ## Further mathf

In a senior secondary school, 80 students play hockey or football. The number that play football is 5 more than twice the number that play hockey. If the 15 students play both games and every student in the school playsat least one game, find: The number

asked by Anonymous on September 25, 2016
71. ## Chemistry

If I am titrating KMnO4 against a sample of Fe2+, but there is also I- in the sample which of the iron and iodine will be oxidised first? Unless something is present in the sample to complex the iodide ion, KMnO4 may titrate both. How are you titatrating

asked by James on March 10, 2007
72. ## Math: Linear Programming

Describe the linear programming situation for this system of inequalities. x≤1 , y ≥0 , 3x+y≤5 infeasible unbounded an optimal solution alternate optimal solutions Describe the linear programming situation for this system of inequalities where you

asked by HC on October 4, 2011
73. ## Chem

Bob Pursley, With regards to a question posted by john on Tuesday, January 30, 2007 at 6:14am: How is it that you used 650 degrees C + 273 K when the question asks to presume it stayed gaseous down to 0 degrees C and to use this 0 degrees C for the answer?

asked by Si on February 4, 2007
74. ## math (find my grade)

1% of my grade 82% 4% of my grade 76% 2% of my grade 100% 100% 100% 100% 100% 100% 100% 100% 82% could you please find my average. thank you!!!!

asked by rosie on April 18, 2010
75. ## Algebra

For a given two-digit number, the second digit is 2 more than 5 times the first digit. Also, 5 times the first digit is 3 more than the second digit. Find the two-digit number,

asked by Alexis on February 27, 2014
76. ## maths

Find angles between a vector and b vector if a vector + b vector + c vector = 0, a vector magnitude = 3, b vector magnitude = 5 and c vector magnitude = 7

asked by jenisha dangal on March 3, 2016
77. ## Climate Graphs

I need a climate graph of Fredericton, New Brunswick, Canada present time, so about 2000-2006. I have looked everywhere for stats or graph. I also need an older on for comparision perhaps the 1990s. Where can I find these. :( This site has climate graphs

asked by London on January 13, 2007
78. ## chemistry

We are doing a lab that requires finding the molarity of an unknown AgNO3 solution after reacting NaCl + AgNO3 --> NaNO3 and AgCl and collecting/massing the precipitate. We will be using 10.00 mL of an NaCl solution and 10.00 mL of the AgNO3 solution. We

asked by Chris on October 4, 2006
79. ## English

"Through her writings, Robert Hemenway wrote in The Harlem Renaissance Remembered, Hurston "helped to remind the Renaissance--especially its more bourgeois members--of the richness in the racial heritage." http://www.zoranealehurston.com/ The site this

asked by GuruBlue on July 8, 2007
80. ## English 4

asked by Writeacher on June 27, 2007
81. ## english

Hi, I only need help in the questions. "The Turtle and the Rabbit Run a Race," #38 Swapping Stories Bel Abbey, Elton, Louisiana I'm going to tell you about the story about the Rabbit and the Turtle running a race. They were going to run a race one time.

asked by Anonymous on November 24, 2011
82. ## Education Tech

1.) Which of the following is the best strategy for studying test? a) Sitting alone in a chair in a quiet room, looking over your textbook. b) Working in pairs and exchanging practice questions. c) Developing a personal method that is right for you and

asked by Ashley mccgarvey on January 9, 2014
83. ## physics

Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic collision. Momentum is conserved. Object A has a mass of mA = 16.7 kg and an initial velocity of nu Overscript bar EndScripts

asked by alika on October 2, 2014
84. ## managerial economics

Players A and B are playing a simultaneous moves game and both can choose either strategy S1 or strategy S2. If both choose S1 both receive 0. If both choose S2 both receive -2. If their chosen strategies differ they both receive -4. (a)Write out a table

asked by matherik on September 7, 2008
85. ## statics

Q: The mean annual salary for a sample of electrical engineers is \$83,500, with a standard deviation The mean annual salary for a sample of electrical engineers is \$83,500, with a standard deviation of \$1500. The data set has a bell-shaped distribution.

asked by zeenia on February 11, 2016
86. ## History

1. Why did settlers find the land grants in Texas so appealing? Select all that apply. A) Settlers didn’t have to pay taxes for six years. B) The price of land was cheap compared to other places.** C)Land grants ensured the settlers’ success in

asked by HelpingBudxyツ on October 16, 2018
87. ## Psychology

1.The rational style of learning sometimes conflicts with the traditional school environment. Could a school be created that takes advantage of the characteristics of the rational style? How? Are there types of learning for which the analytical style is

asked by Ashley on August 9, 2016
88. ## Physics

1.A race car has a mass of 707 kg. It starts from rest and travels 42.0 m in 3.0 s. The car is uniformly accelerated during the entire time. What net force is exerted on it? 2.A 4430 kg helicopter accelerates upward at 2.2 m/s2. What lift force is exerted

asked by Lee on October 5, 2007
89. ## algebra

During rush hour, Bill can drive 60 miles using the side roads in the same time that it takes to travel 30 miles on the freeway. If Bill's rate on the side roads is 7 mi/h faster than his rate on the freeway, find his rate on the side roads. let bill drive

asked by steve on June 24, 2007
90. ## psychology - new! your thoughts

Scenario: John is an 18-year-old freshman at New York University . John was the starting quarterback at his high school in a small town in Indiana . He enjoys playing sports and hanging out with friends. John has always been popular and done well in school

asked by rose- Ms. sue on May 6, 2008
91. ## Statistics

A modification is made to a computer component to try to increase its mean time between failures, which was originally 520 hours. Tests on a simple random sample of 10 modified components resulted in the following times (in hours) between failures. Assume

asked by Giselle on April 22, 2015
92. ## Chemistry

In our text book, the formula for finding the formal charge of an element in a compound is c(sub f) = X - (Y + Z/2) where x = the number of valence electrons y= the number of unshared electrons owned by the atom z= the number of bonding electrons shared by

asked by Alexa on December 6, 2006
93. ## To Kill A MockingBird

I need to design a book jacket for To Kill A MockingBird... What picture/symbol/scene should i draw??? http://www.sparknotes.com/lit/mocking/ You should find an idea in the section here called Themes, Motifs & Symbols. =) a mocking bird getting killed An

asked by Cass on November 12, 2006
94. ## Magnetic effect

A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region

95. ## Math

What was the percent increase in the mean population from 1950 to 2000? 1950 - 426,000,000 2000 - 1,046,500,000 DO I divide 426,000,000 by 1,046,500,000 which is 40.7%? No. First you find the difference in the mean population. Then you take the diiference

asked by Maggie on June 7, 2007
96. ## physics

Two radar stations A and B, are separated by horizontal distance of (a=500 metres), they both track the position of a plane C by recording angles (alpha), and (beta) at 1 second intervals. time (sec) 9 10 11 the angle A(alpha) 54.80 54.06 53.34 the angle B

asked by ryan on November 17, 2012

A shell is shot with an inital velocity of 20m/s at an angle 60 degrees with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass. One fragment whose speed is immediately after the explosion zero falls

asked by Brian on January 30, 2007
98. ## Statistics

Direct mail advertisers send solicitations (that is "junk mail") to thousands of potential customers in the hope that some will buy the company's products. The response rate is usually quite low. Suppose a company wants to test the response rate for a new

asked by Nick on October 27, 2013
99. ## mathematical methods for economics

in a class of 300 students,they were given mathematics test in three subjects namely,economics,statistics and mathematics,90 students failed in economics,100 failed in statistics,96 failed in mathematics,60 failed in economics and statistics,64 failed in

asked by sonu on November 21, 2016
100. ## statistics

The probability that a married man watches a certain television show is 0.4 and the probability that a married woman watches the show is 0.5. The probability that a man watches the show, given that his wife does, is 0.7. Find the probability that a) a

asked by Misael on February 25, 2012