# 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

93,362 questions, page 884
1. ## chemisrty

please could you tell me how i would draw an hydrogen atom which has only one electron and describe why it has so many spectral lines, I have studied my text books but cant seem to figure it out, many thanks in advance

asked by bex on March 2, 2007
2. ## statistics

To find out what people think, the Gallup Poll selected a random sample of 520 women and 506 men. The pollsters showed them a list of personal attributes and asked them to indicate whether each attribute was “generally more true of men or of women”.

asked by Devin on June 27, 2014
3. ## physics

1.In a cathode ray tube, electrons are accelerated from rest by a constant electric force of magnitude 6.56 x 10*-17 N during the first 1.87 cm of tube's length; then they move at essentially constant velocity another 45.0 cm before hitting the screen.

asked by Sandhya on September 24, 2008
4. ## GRADE 12 APPLIED MATH

The Problem: Zared plays basketball on his high school team. One of the things he needs to practice is his free throws. On his first shot, there is a probability of 0.6 that he will make the basket. If he makes a basket, his confidence grows and the

asked by V on January 27, 2018
5. ## Physics (mechanics)

A u-control airplane of mass m is attached by control wires of length L and negligible mass to the "pilot" who controls the lift provided by the wing FL. The wires control the plane's elevator or angle of attack. The plane's engine keeps it moving at

asked by JK on July 9, 2013
6. ## physics

The siren on an ambulance is emitting a sound whose frequency is 2421 Hz. The speed of sound is 343 m/s. (a) If the ambulance is stationary and you (the "observer") are sitting in a parked car, what are the wavelength and the frequency of the sound you

asked by carter montgomery on January 29, 2013
7. ## Math

Anne now has a balance of \$900 on her credit card, on which 1.5% interest per month is charged. Assume that she makes no further purchases or payments (and that the credit card company doesn't turn her account over to a bill collector). (a) Find the rule

asked by Anonymous on November 6, 2010
8. ## chemistry

Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. What is the molar solubility of chromium (III) iodate at 25°C? a. 8.4 x 10–2 mol L–1 b. 2.2 x 10–3 mol L–1 c. 6.3 x 10–2 mol

asked by jess on May 27, 2016
9. ## algebra

maria and tim sold candy bars for a fundraiser.maria sold 7 less than twice the number of candy bars that tim sold.in total maria and tim sold 137 candy bars.find the amount of candy bars sold by each

asked by traina on September 23, 2015
10. ## physics

A 1200.0kg car is moving east at 30.0 m/s and collides with a 3600.0 kg truck moving at 20 m/s in a direction 60 degrees north of east.The vehicles interlock and move off together.Find their common velocity. Use the law of conservation of momentum. The

asked by fluffy on September 23, 2006
11. ## Geometry

I need help on these two. Consider tirangles ABC and DEF. Side A is congruent to side F. Angle A is congruent to angle F. Angle B is congruent to angle E. What postulate or theorem can be used to prove that the two triangles are congruent? If angle1 and

asked by Amy on August 21, 2006
12. ## percentage

35%of the number of books Vick owns are fiction books.if Vick has 70 fiction books,find: A) the total numbe of books he owns. B) the number of non-fiction books he owns

asked by Kimi on February 20, 2012
13. ## physics

Velocity and displacement with uniform acceleration: 1. A car with an initial speed of 23.7 km/h accelerates at a uniform rate of 0.92 m/s^2 for 3.6 s. Find the final speed and the displacement of the car during this time. The final speed is 36 km/h. is

asked by anonymous on September 25, 2006
14. ## Math

Janice and Patricia each want to buy a new DVD player. They go to the Hot Electronics and find a DVD player for \$75. Hot Electronics offers a different payment plan. Janice is going to pay \$15 now, and then \$7.50 per month. Patricia is going to pay \$12.50

asked by Jerald on November 11, 2013
15. ## Math

a business firm has made an analysis of its production facilities and its production facilities and its personnel. with the present equipment and number of workers, the firm can produce 3, 000 units per day. it was estimated that without any change in

asked by Jai on September 25, 2018
16. ## Physics Help please

The free-fall acceleration on Mars is 3.7 m/s2. (a) What length pendulum has a period of 4 s on the earth? cm What length pendulum would have a 4 s period on Mars? cm (b) A mass is suspended from a spring with force constant 10 N/m. Find the mass suspended

asked by Anonymous on December 6, 2010
17. ## physics

A crate slides down an incline right angled trough. The coefficient of kinetic friction between the crate and the trought is mew_k(not sure if i spelt it right). What is the acceleration of the crate in terms of mew_k theda and g? I think I need to use

asked by Brian on November 28, 2006
18. ## math

hi, one question i have is for the following problem:"Two families meet at a park for a picnic. At the end of the day, they part ways. Family A leaves 15 mins after family B and travels east at an average speed of 42mph; while, family b travels west at an

asked by George on September 10, 2017
19. ## Trigonometic

Solving Trigonometic Equations solve for x : 1)sinx = (4/5) 2) cosx = (-12/13) I will do the second one. first of all since the cosine is negative the angle must be in either the second or third quadrants. To find the "angle in standard position" take

asked by abdo on April 23, 2007
20. ## statistics

Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky

asked by Anonymous on December 2, 2012
21. ## math

Hello! I came across the following two problems that appear easy but I was not able to construct the needed equations. (1) The profit (in thousand of dollars) on x thousand units of a specialty item is p = 0.6x - 14.5. The cost c of manufactoring x

asked by guitarman on March 29, 2010
22. ## math/algebra

I need help in solving this word problem using linear system equation...I.m not sure how to start,,, A hotel rents a double occupanch room for \$20 more than a single occupancy room. One night, the hotel took in \$3115 after renting 15 double occupancy rooms

asked by JAY10 on March 12, 2009
23. ## Geometry

The measure of an angle's supplement is 76 less than the measure of the angle. Find the measure of the angle and its supplement.

asked by Michaela on August 22, 2011
24. ## Math

The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and it's supplement.

asked by Nicole on September 4, 2012
25. ## math 4th Grade

a dictionary and a calculator cost \$80. If the calculator cost \$20 more than the dictionary, find the cost of the dictionary.

asked by marsha on January 29, 2013
26. ## geometry

The measure of an angle's supplement is 76 less than the measure of the angle. Find the measure of the angle and its supplement.

asked by Kharybdis on August 23, 2011
27. ## geometry again again

The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and its supplement.

asked by Monique N. on September 27, 2009
28. ## algebra

find the y-intercept and the slope x + 2y -3 =0 You first have to get this into slope-intercept form: 2y=-x+3 y=-0.5x+1.5 This form is y=mx+b, where m is the slope and b is the y-intercept.

asked by dee on January 23, 2007
29. ## geometry

The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and its supplement.

asked by trey on August 27, 2009
30. ## Physics

In 2286, Admiral Kirk and his crew were forced to use the slingshot effect in a stolen Klingon Bird-of-Prey to travel back in time to the late 20th century to retrieve two humpback whales. The stolen Klingon Bird-of-Prey traveled towards the sun at a

asked by Carolyn on March 19, 2015
31. ## Physics

In 2286, Admiral Kirk and his crew were forced to use the slingshot effect in a stolen Klingon Bird-of-Prey to travel back in time to the late 20th century to retrieve two humpback whales. The stolen Klingon Bird-of-Prey traveled towards the sun at a

asked by carolyn on March 23, 2015
32. ## physics

The range of human hearing is roughly from twenty hertz to twenty kilohertz. Based on these limits and a value of 350 m/s for the speed of sound, what are the lengths of the longest and shortest pipes (open at both ends and producing sound at their

asked by Cavin on April 28, 2007
33. ## Chemistry

When solid magnesium nitride reacts with water the reaction produces solid magnesium hydroxide and ammonia gas. If 22.9 grams of magnesium nitride are added to 31.0 grams of water, how many liters of ammonia should be produced (assuming standard

asked by Jay on September 14, 2017
34. ## spanish

Your family wants your help to do an inventory of the many appliances that have accumulated over the years. Include the following years. include the information: -the various appliances that you find in your house (at least 5) -where each one is located

asked by y912f on May 9, 2009
35. ## science/literature

Hi. I have to pick a book by Edward Abbey to read. Then I have to write a paper that covers: -what Ed was trying to accomplish with this piece -whether or not he accomplished his goal -what you think about his goals (good, bad????) I was wondering if

asked by Lillian on July 1, 2007
36. ## English 9

Find adv. and word it modifies He courageously continued not only to compose but also to conduct performances. courageously(adv)modifies continued not (adv) modifies Only? only(adv) modifies continued? also (adv) modifies conduct?

asked by Sweet Pea on September 13, 2014
37. ## Anatomy & Physiology

Someone please check my answer and tell me if they are right or wrong. 1. What are the constituents of DNA? A. Sugars and lipids B. Proteins and sugars C. Sugars, phosphates, and nitrogenous bases D. Lipids, nitrogenous bases, and proteins 2. What is the

asked by Diana K on January 23, 2014
38. ## math

The probability that a team will carry the puck over the opposing team's blue line is 0.6, the probability that they get a shot on the net is 0.3, the probability that they get a shot away and score is 0.01 and the probability that they cross the blue line

asked by Jessica on May 10, 2012
39. ## Math

The number of diagonals D I a polygon of n sides is given in the formula D=n(n-3)/2. Use the formula to find: A. The number of diagonals in a polygon with 9 sides. B. The number of sides of a polygon with 90 diafonals.

asked by Raven on November 23, 2016
40. ## maths

the length of rectangle is x cm .the width of the rectangle is 4cm less than the length. A. write an expression in terms of x for the width of the rectangle B. write the expression for the perimeter of the rectangle in terms of x C. the perimeter of the

asked by batool on August 29, 2016
41. ## Grade 5 Maths

A coin box contained some twenty-cent and fifty-cent coins in the ratio 4:3. After 20 twenty-cent coins were taken out to exchange for fifty-cents coins of the same value and put back in the box, the ratio of the number of twenty-cent coins to the number

asked by LARA on January 19, 2014
42. ## Math

If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges \$308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by \$1 for each additional person. Hint: Let x

asked by Renee on November 14, 2012
43. ## math

If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges \$308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by \$1 for each additional person. Hint: Let x

asked by tamera on November 16, 2012
44. ## math

If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges \$308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by \$1 for each additional person. Hint: Let x

asked by Ashley on November 15, 2012
45. ## managerial economics

A firm uses a single plant with costs C= 160 +16Q +.1Q2 and faces the price equation P= 96 – .4Q. a) Find the firm’s profit-maximizing price and quantity. What is the profit? b) The firm’s production manager claims that the firm’s average cost of

asked by J on April 11, 2010
46. ## Medical physics

1.A hypodermic needle of lenght 0.020m and inner radius 3.0 x10^-4 is used to force water at 20 degree celcious into the air at a flow rate of 1.0 x10^-7m^2 s-1 (a) what is the average velocity in the needle?(assume laminar flow), (b) what is the pressure

asked by JAMES on March 28, 2015
47. ## Economics

A firm uses a single plant with costs C = 160 + 16Q + .1Q2 and faces the price equation P = 96 - .4Q. a. Find the firm’s profit-maximizing price and quantity. What is its profit? b. The firm’s production manager claims that the firm’s average cost of

asked by Philip on October 14, 2012
48. ## ECONOMICS

A firm uses a single plant with costs C= 160 +16Q +.1Q2 and faces the price equation P= 96 – .4Q. a) Find the firm’s profit-maximizing price and quantity. What is the profit? b) The firm’s production manager claims that the firm’s average cost of

asked by STARR on May 15, 2010
49. ## Medical physics

1.A hypodermic needle of lenght 0.020m and inner radius 3.0 x10^-4 is used to force water at 20 degree celcious into the air at a flow rate of 1.0 x10^-7m^2 s-1 (a) what is the average velocity in the needle?(assume laminar flow), (b) what is the pressure

asked by JAMES on March 28, 2015
50. ## physics

The vector position of a particle varies in time according to the expression r with arrow = 6.60 i − 9.00t2 j where r with arrow is in meters and t is in seconds. (a) Find an expression for the velocity of the particle as a function of time. (Use any

asked by Mohammed on February 6, 2016
51. ## 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 tera on April 8, 2009
52. ## Statistics

A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

asked by stat on October 6, 2009
53. ## Maths

The weight of a termite mound (y) in kilograms is measured each month (x) after it was first found. The mound after 1 month is found to be 2 kilograms and after 3 months it is measured at 18 kilograms. It is believed that the model connecting the weight of

asked by TP on April 14, 2008
54. ## Statistics

A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

asked by jig on October 8, 2009
55. ## statistics

A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

asked by stat on October 5, 2009
56. ## MATH HELP ASAP

PLEASE. 1. A frog jumps from a rock to the shore of a pond. Its path is given by the equation y=(-5/72)x^2+(5/3)x, where x is the horizontal distance in inches, and y is the height in inches. What is the frog's maximum height? How far had it traveled

asked by Leslie on July 13, 2010
57. ## Physics

Hello recently I was asked to find the time it takes a satalite that is geocentric (that always stays above the same exact spot of the earth) so... I was given the radius of 61 earth radius or simply 3.89 E 6 m mass of earth what G equals and have to use

asked by Physics on May 7, 2009
58. ## math

what is the answer to this question? The week before a big concert, five friends, alvin, bert, chip, dennis and ethan, stood in line to buy tickets. There were other people between them, but the five friends were in lin in the order listed above. the line

asked by jw on April 28, 2010
59. ## math

what is the answer to this question? The week before a big concert, five friends, alvin, bert, chip, dennis and ethan, stood in line to buy tickets. There were other people between them, but the five friends were in lin in the order listed above. the line

asked by ursie on April 28, 2010
60. ## English

2 Danielle reached into her bag. She was looking for her wallet. Which sentence best combines the two sentences using a participle phrase ? A) Looking for her wallet Danielle reached into her bag. B) Dannielle looking for her wallet reached into her bag.

asked by melanie Esperanza on May 15, 2019
61. ## Question About Math

Hello! I have two math questions: 1.) Marcos has 28 coins that are all nickels (n) and dimes (d). The value of the coins is \$2.05. Which system of equations can be used to find the number of nickels and the number the dimes? A. n + d = 28 5n + 10d = 205 B.

asked by Abby on November 17, 2013
62. ## English

Could you please check these sentences for me, please? Thank you. 1) This morning we met an American couple living in Munik. They had an eight-year-old girl and were very friendly to us. 2) Their daughter does the same ski group course as our son (also she

asked by Henry2 on December 30, 2011
63. ## physics please help

How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical

asked by Nasir on June 11, 2012
64. ## Economics Quick Question

I'm going to type part of this passage and you have to fill in the blank. Could you check my answer here are the words that may go in that blank. elasticity shortage equilibrium price supply productivity surplus profit techonology Passage: Let's start with

asked by Taylor on May 11, 2009
65. ## Probability

The probability of getting a royal flush when you deal out a five card hand is 1.54 × 10^-6. Suppose you deal out 8 × 10^6 hands, what is the probability that you will get 0 royal flushes? Make a list of the probabilities that you will get n royal

asked by Beena on June 29, 2007
66. ## calculus

"superman is in level flight 6 miles above ground. his flight plan takes him directly over whs high school. how fast is he flying when the distance between him and the whs high school is exactly 10 miles and the rate is increasing 40mph?" i keep getting: r

asked by eric on January 25, 2014
67. ## calculus

Water is leaking out of an inverted conical tank at a rate of cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height meters and the diameter at the top is meters. If the water level is

asked by neil on October 5, 2011
68. ## 11th grade maths

A.give an example of a function whose domain is {3,4,7,9}? and whose range is {-1,0,3} B.Find two different functions whose domain is {3,8}and whose range is {-4,1} C Explain why there does not exist a function whose domain is {-1,0,3} and whose range is

asked by fatima on September 17, 2012
69. ## Math

Water is leaking out of an inverted conical tank at a rate of cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height meters and the diameter at the top is meters. If the water level is

asked by Salman on October 15, 2009
70. ## Calculus

Water is leaking out of an inverted conical tank at a rate of cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height meters and the diameter at the top is meters. If the water level is

asked by Riley on October 21, 2011
71. ## math

in an album, the ratio of the number of local stamps to the number of foreign stamps was 7 : 4. When Lucy gave away 8 local stamps and 8 foreign stamps, there were 1.8 as many local stamps as foreign stamps in the album. find the total number of stamps

asked by Vivian on March 5, 2014
72. ## algerbra

Pick a country of your choice that is experiencing population growth. Using the Library, web resources, and/or other materials to find the most recent population count of the country you have chosen and the population growth rate of that country. Use that

asked by HELP on October 26, 2007
73. ## algebra

Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr???? algebra - PsyDAG, Sunday, November 13, 2011 at 1:38am Assuming it does move 5 pi, convert 5 *

asked by Angela on November 13, 2011
74. ## Physics

An astronaut has crash landed on a planet that little is known about (not even the acceleration due to gravity). She must descend a steeo cliff to find shelter, but wants to know how high the cliff is before making the attempts. She happens to have

asked by Alberto on October 3, 2011
75. ## geo area & volume

ok it asks me 2 find the lateral area of the cylinder ( the radius is 5 n the hight is 5) can some 1 help me with this please 392.5 Prinness, I think that 392.5 is pi*r^2*h, or the volume of the cylinder. This question asks for the lateral area. Lateral

asked by martha on March 1, 2007
76. ## Decaf Coffee

Is decaf coffee completely decaffinated?? .. or are there low amounts of caffiene in brewed decaf coffee? (i'm researching about people with health conditions concerning caffiene... if they even should be drinking decaf coffee at all!!) - can anyone find

asked by TechnoBoi11 on February 14, 2007
77. ## Algebra Assignment

Please check my work on this part of the assignment. Medical x-rays, with a wavelength of about 10^-10m, can penetrate completely through your skin. a. ultraviolet rays, which cause sun burn by penetrating only the top level of skin, have a wavelength

asked by Anonymous on January 29, 2014
78. ## History

How do most experts think the first people came to North America? A. By walking across a land bridge between Asia and North B. By sailing from Europe 👈🏾👈🏾👈🏾 C. By sailing from Japan D.Humans were always in North America Which region

asked by Helen Doe🤷🏽‍♀️🤔✏📝 on August 12, 2019
79. ## Basic Algebra

A new cruise ship line has just launched 3 new ships: the Pacific Paradise, The caribbean paradise, and the mediterranean paradise. The carribean paradise has 32 more deluxe stateroooms than the pacific paradise. The Mediterranean paradise has 37 few

asked by Catherine on July 16, 2011
80. ## Creative Writing

I have to do this assignment but I don't understand what I need to do can someone please help me please.I chose Earthmoving Imaginative by Earthmoving malediction but confuse still or Choose either "At Navajo Monument Valley Tribal School" or "Earthmoving

asked by Anonymous on July 4, 2009
81. ## Biology

Im stumped... These answers I cannot find, please and thank you :) 1) In males, the primary target of FSH is the ______. 2)Testosterone and other androgens are secreted by the______. 3)During meiosis, when synapsis occurs, corresponding maternal and

asked by Elise on April 12, 2014
82. ## math

w2+1/64 In my Adv. Math class my teacher shaded in my to dark to I can't see the height. Can you give me a formula to find the height of a triangle? Jennifer, I don't know what you are asking. Please repost with more information. Thanks for asking.

asked by jennifer on April 11, 2007
83. ## CHEMISTRY!!!!!!!!!!

Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. Given the following data, Ethylbenzene, C6H5--CH2CH3 : delta Ht = -12.5 kJ/mol, delta Gt = 119.7 kJ/mol and S = 255 J/mol*K

asked by Judith on November 10, 2015
84. ## English

Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe

asked by Mary on March 7, 2011
85. ## Math

Find the start, elapsed, or end time. 1. Start time is 11:00am Elapsed time is 4 hours and 5 minutes How do you go about finding the end time? 2. Start time Elapsed time is 9 3/4 hours End time is 6:00pm I am really confused on how to begin finding the

asked by Patrick on November 30, 2015
86. ## chemistry

I need help on these questions. They all seem pretty similar i think? i don't know what formula i am suppose to use. And what does nonvolatile mean? is that like a clue or something? 1) 2.6 g of the nonvolatile solute sucrose (C12H22O11) is added to 465 g

asked by confusedkid on January 24, 2009
87. ## English

I need to find specific questions and specific answers about these two books: 1- Tangerine, by Edward Bloor 2- Gilda Joyce-Psychic Investigator I don't need stuff like "What is the setting and theme?" but more specific q's and a's, like "What COLOR was her

asked by brie on May 26, 2007
88. ## physics

A cubical block of density rB and with sides of length L floats in a liquid of greater density rL. (a) What fraction of the block’s volume is above the surface of the liquid? (b) The liquid is denser than water (density rW) and does not mix with it. If

asked by mary on February 3, 2016
89. ## chemistry

While researching energy values of fuels, a chemist designed an experiment to find out the heat of combustion of pentane. Using the known hexane heat of combustion of hexane = 4650kJ/mol and the data below calculate the heat of combustion of pentane. Set

asked by sarah on March 28, 2010
90. ## Calculus

Imagine that you live on an infinitely long and straight street called Infinite Drive. The addresses on Infinite Drive are given by real numbers. Your address on the street is π while your friend Patrick’s is √3 and Karen’s is sin60°. There are two

asked by Scooby16 on September 23, 2011
91. ## chemistry

While researching energy values of fuels, a chemist designed an experiment to find out the heat of combustion of pentane. Using the known hexane heat of combustion of hexane = 4650kJ/mol and the data below calculate the heat of combustion of pentane. Set

asked by sarah on March 28, 2010
92. ## Statistics: 82% Confidence Interval

I'm having some difficulty with this problem: Over the last 15 Major League Baseball seasons, the mean # of strikeouts by the American League leader is 258.5. Assuming that the # of strikeouts by the league leader is normally distributed & the standard

asked by melanie on June 22, 2008
93. ## re math

Many people know that the weight of an objectvaries on different planets,butdid you know that the wieght of an object on earth also varies according to the elevation oj an object.in particualr ,the weight of an equation follows this equation:w=cr -2

asked by tera on April 8, 2009
94. ## Physics

A tugboat pulls a ship with a constant horizontal force of 6000N and causes the ship to move through a harbor. The water exerts a constant drag force on the ship of 500N. How much work is done on the ship if it moves a distance of 4.0 km? Force is causing

asked by Felix on December 16, 2015
95. ## math

Find the exact value of cos 300 degrees. thanks guys cos 300 = 1/2 = 0.500 how do you know? I am supposed to show my work. You ought to know the rule on 30-60-90 triangles. If the hyp is 2, the shorter side is 1, and the longer side is sqrt3. what does

asked by Bill on June 2, 2007
96. ## PRE-CALC HELP

1) Two boats leave the same port at the same time. One travels at a speed of 27 mi/h in the direction N 50° E and the other travels at a speed of 22 mi/h in a direction S 70° E (see the figure). How far apart are the two boats after one hour? (Round your

asked by JOHN on November 8, 2013
97. ## Physics

There are four charges, each with a magnitude of 2.65 microcoulombs. Two are positive and two are negative. The charges are fixed to the corners of a 0.408-m square, one to a corner, in such a way that the net force on any charge is directed toward the

asked by JJ on July 18, 2012
98. ## statistics

Given a sample size of 38, with sample mean 660.3 and sample standard deviation 95.9 we are to perform the following hypothesis test. Null Hypothesis H0: ƒÊ = 700 Alternative Hypothesis H0: ƒÊ ‚ 700 At significance level 0.05 3. Calculate the test

asked by Scott on August 9, 2010
99. ## Maths

What is surface area and how do you work it out? Surface area is the area on an object. How one works it is dependent on the object. SURFACE IS THE AREA OF ANY OBJECT. AND HOW IT WORKS IS IF YOU HAVE A SQUARE AND YOU WANT TO FIND THE PERIMITIER THEN YOU

asked by Sarah on February 14, 2007
100. ## Physics

A force F1 of magnitude 6.90 units acts on an object at the origin in a direction θ = 54.0° above the positive x-axis. (See the figure below.) A second force F2 of magnitude 5.00 units acts on the object in the direction of the positive y-axis. Find

asked by Jennifer on September 20, 2015