# 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 406
1. ## physics

The heat of vaporization of ethyl alcohol is about 200 cal/g.If 2.4 kg of this fluid were allowed to vaporize in a refrigerator, find what mass of ice would be formed from 0 degree C water.

asked by Jim on April 3, 2012
2. ## physics

If we were to find advanced life on a planet which orbited reasonably near to a star of temperature 30000 Kelvin, to what wavelength of radiation (measured in nanometers, nm) might we reasonably predict their eyes would be most sensitive?

asked by Morgan on March 25, 2012
3. ## physics!

Suppose the amplitude and frequency of a transverse wave are, respectively, 1.3cm and 5.0Hz. Find the total vertical distance (in cm) through a fixed point in 3.0s. PLEASE GIVE ME SOME IDEAS TO DO IT!!!THANKS A LOT!!!!!!!

asked by Helen on March 2, 2008
4. ## SEARCH AND RESCUE TRAINING

Please check my answer thanks :) An individual SAR team's mission is to A. clear the area and search for clues. B. camp out in the woods. C. help other teams. D. find the missing person. I said C

asked by Mallie on January 12, 2009
5. ## us history

I was working on a US History crossword worksheet titled The English Colonists Arrive. I am trying to find the answer to the sole right to trade in an area. This wksht is due tomorrow.

asked by JJ on September 9, 2009
6. ## calculus

find the volume of the solid whose base is bounded by the graphs of y= x+1 and y= (x^2)+1, with the indicated cross sections taken perpendicular to the x-axis. a) squares b) rectangles of height 1 the answers are supposed to be a. 81/10 b. 9/2 help with at

asked by john on March 30, 2010
7. ## math

how do I find the slope of a line? It seems really hard and its on my quiz and im not that great at drawing the graphs. I also need help with graphing linear equations. could someone plz give me a website link that has the formulas? thank you

asked by ShannonPanda on April 17, 2018
8. ## Statistics

height shoe size (if you wear men's shoes, add 2) 61 6.5 67 9 63 7 66 8 60 6 71 10 71 11 63 8 63 7 66 62 7 64 6.5 61 7 64 7.5 63 8 58 6.5 63 9 62 6 61 7 74 60 6.5 60 7.5 63 8 Mean 63.73913043 7.571428571 Standard Deviation 3.922167667 1.296974501 H sub 0:

asked by Armando on June 8, 2013

A second hand furniture store buys sofas with a list price of $9,500. If the wholesaler offers trade discounts of 10/20/30, find the single equivalent discount. asked by tia on January 29, 2015 10. ## MATH AND PHYSICS HELP HELP HELP HELP HELP A particle P of mass m=1 moves on the x-axis under the force field F=36/(x^3) - 9/(x^2) (x>0). Show that there is a single equilibrium position for P and that it is stable. Find the period of small oscillations about this point. asked by Dwayne on May 3, 2011 11. ## health I am really unsure about this if a ambulatory surgery center is a separate entity distinguishable from any other of facility, it may be qualify for what i looked at a few web sites and I can't find anything any information that you might be able to give asked by in need of help on March 12, 2008 12. ## math115 Please help You find an old savings bond that originally cost$50. It has been compounding 3% interest annually for the last 75 years. How much is it worth? Make sure you round your answer to the nearest cent.$459 asked by margie o on October 24, 2009 13. ## math Find the amount of interest and the monthly payment for the loan. Purchase a car for$42,700 at 2.9% add-on rate for 5 years. (Round your answers to the nearest cent.)

asked by lady on October 27, 2011

The average hourly wage of employees of a certain company is $14.58. Assume the variable is normally distributed. If the standard deviation is$3.99, find the probability that a randomly selected employee earns less than $9.79. asked by Shelagh on July 12, 2014 15. ## Trigonometry I can't remember what formula to use for these. Note- the X's may be replaced by a theta symbol. I just didn't have one on my keyboard. Use the given information to find sin2X, cos2X and tan2X if 0< X asked by Bailey on January 11, 2010 16. ## Math The average hourly wage of employees of a certain company is$14.24. Assume the variable is normally distributed. If the standard deviation is $3.27, find the probability that a randomly selected employee earns more than$18.98.

asked by Shelagh on July 12, 2014
17. ## Science

Why can humans not survive on Venus? Thank you for using the Jiskha Homework Help Forum. You will find 2 answers above under "Science." Since the volunteers do not sit here 24/7, a half hour is not long enough to wait for an answer.

asked by Greg on June 4, 2007
18. ## physics

A motor car of mass 30kg,moving with a velocity of 10m/s. by the application of brakes,it was brought to rest at a distance of 25meters. Find the average force.

asked by Alice on October 13, 2017
19. ## Algebra 2

Soo the equation is 25y^2-9x^2-200y-36x+139=0 and for the center is got (2,4) and the vertices I got (2,7) and (2,1) But i cant figure out how to find the slopes of the asymptotes and it wants the answer is reduced fraction please explain

asked by Nancy on May 13, 2012
20. ## Math

Please help You find an old savings bond that originally cost $50. It has been compounding 3% interest annually for the last 75 years. How much is it worth? Make sure you round your answer to the nearest cent.$459

asked by margie o on October 24, 2009
21. ## math

suppose a new student starts school today and your teacher asks you to teach her how to find decimal equivalents for fractions. what would tou tell her? how would you convince her that your method works?

asked by stacey on October 4, 2007
22. ## physics

At sea level, the atmospheric pressure is 1.04×10 to the power 5 pa.Assuming g=10ms sq and density of air to be uniform and equal 2 1.3kg m cube find the height of the atmosphere.

asked by alvin on July 6, 2015
23. ## math

AB=36cm and M ismid point ofAB semicircles are drawn inAB,AMandMBas diameter.a circlewith centreO touches all three semi circle find radius?

asked by menu on March 25, 2013
24. ## physics

Find the rotational kinetic energy and angular momentum about its axis of the earth due to its daily rotation. Let ME = 6 x 1024 kg, RE = 6.4 x 106 m and ùE = 1.157 x 10-5 rev/sec.

asked by Qay on December 4, 2010
25. ## PSY 410 Abnormal Psychology

HELP- My text book wont let me open on my laptop and I can't seem to find the information I need. Create a timeline that displays the development of abnormal psychology. Include at least seven main milestones

asked by Ruth on January 26, 2015
26. ## math

two trains start from towns 208 miles apart and travel towards each other on parallel tracks. They pass each other 1.6 hours later. If one travels 10 mph faster than the other find the speed of each train?

asked by MB on April 19, 2010
27. ## statistics

A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported in a given day are 0.50, 0.41, 0.05, and 0.04, respectively. Find the standard deviation for the probability distribution. Round answer to the nearest

asked by tang on August 29, 2007
28. ## pets

i wanna try to get my adorable rare chinese dwarf hamster on a bag of pet food or something. everywhere i try to find out stuff its always wut i don't want. could you plz help me. thx in advance!

asked by sammy on January 31, 2008
29. ## Physics

The speed of a point on a rotating turntable, which is 0.172 m from the center, changes at a constant rate from rest to 0.531 m/s in 2.19 s. At t1 = 1.9 s, find the magnitude of the tangential acceleration. Answer in units of m/s2.

asked by JRD on June 15, 2011
30. ## Math

The president of Texas state University makes three times as much money as one of the department heads. If the total of their salaries is 290,000, find each worker's salary.

asked by Selena on June 11, 2014

Find the APR for the following loan (monthly payments). (Round your answer to the nearest full percent.) Purchase a refrigerator for $2,100 at 20% add-on interest for 3 years. asked by Mike on April 29, 2012 32. ## Language arts Im writing a research paper on the 2005 congressional baseball act, but i cant find any information that i can understand, I know that at the time teenagers were using steroids then committing suicide but am I missing anything? asked by Anonymous on January 18, 2014 33. ## Physics A quarterback throws a football at 38 m/s at a certain angle above the horizontal. If it took the ball 6.41 s to reach the top of its path, how long was it in the air? * I want to say that the formula you use is distance. But im not sure. O r manybe even asked by Ann on January 24, 2016 34. ## Maths Hi there, I'm currently stuck on a maths question. Find the limit as x approaches 0 for (1+sinx)^cotx I've put logs on both sides and am attempting to use hopitals rule but don't know where to proceed from here. asked by Ss on October 19, 2014 35. ## geometry One thousand raffle tickets are sold for 4.00 each. one grand prize of$800 and two consolation prizes of $100 each will be awarded. Jeremy purchases one ticket. Find his expected value. asked by angela on July 24, 2012 36. ## Chemistry...kind of How do medications such as Pepcid AC and Xantac treat acid reflux? If anybody can find a web-site that explains this it would be great! I'll help you if you help me...please.! http://www.answers.com/topic/famotidine asked by Bob on February 20, 2007 37. ## pre-calculus$100,000 is divided into two investments with annual returns of 4% and 7.5%. find the amount invested at the lower rate if the total income at the end of the year is $5050? asked by zana on October 13, 2011 38. ## Discrete Math Solve the recurrence relation a_n = -6a_n - 1 + 7a_n-2, n ≥ 2, given a₀ = 32, a₁ = -17. This is what I have figured out so far: polynomial: x² + 6x - 7 distinct roots: 1 and -7 I do not understand how to find C₁ and C₂. How do I complete this asked by Francesca on April 5, 2011 39. ## math The medical office purchased new computers at a cost of$1,855 at 14% add-on interest for 2 years. Find the APR (rounded to the nearest tenth of a percent) for the loan.

asked by PILOU on June 12, 2019
40. ## hypatia of alexandria

I'm doing a report on Hypatia of Alexandria (just in case you don't know her, she's the first ever known female mathematician), and I need at least one humorous or bizarre fact about her, but I can't find one (I only found one about mathematicians back

asked by Emily on January 31, 2008
41. ## calculus

Using an upper-case "C" for any arbitrary constants, find the general indefinite integral ∫ (-2-t)(-9-t^2) dt Now I multiplied both parentheses to get: ∫ (18 + 2t^2 + 9t + t^3) dt now I integrated and got: 18t + 2t^3/3 + 9t^2/2 + t^4/4 + C but I'm told

asked by Tom on February 2, 2013
42. ## Applied maths-mechanics

A block of mass 300kg is just pulled along rough horizontal ground by two equal force inclined at 30 degrees to the line of motion.if the coefficient of friction is 0.6.find the value of P

asked by Mathapelo on March 25, 2013
43. ## college chemistry

Use standard enthalpies of formation to determine ƒ¢Horxn for: 2NH3(g) + 3O2(g) + 2CH4(g) ¨ 2HCN(g) + 6H2O(g) in kilojoules. Find the change in internal energy for this reaction in kJ

asked by jake on October 18, 2010
44. ## Physics

As a car rounds the top of a hill at a speed of 27.53 m/s, it very briefly loses contact with the pavement. This section of the road has an approximately circular shape. Find the radius r?

asked by Anonymous on February 13, 2012
45. ## bussiness law

identify and protect the tangible property rights of walmart (retail) relating to discriminatory issues and the associated legal considerations. I have searched Google and my book and I can not find this. PLEASE HELP

asked by patiance on February 2, 2013
46. ## U.S HIstory AP

I have to make a DBQ for my class on women's changing roles in america in the era of 1877-1945. I can't find any documents that i can put in it. Please help me. This is due tuesday. Im so desperate! :(

asked by Allison. on April 12, 2009
47. ## History

How did the Phoenicians’ willingness to travel far for trade eventually lead to the spread of their civilization? can someone please link me a website so i can find the answer? I've been working on this test for hours, and I'm ready to get it done :/

asked by Vixen - Connexus on October 3, 2018
48. ## physics

A body is thrown verticarry upwards with an initial velocity of 12m/s.(taking G to be 10m/s^2) a)how far does it go during this first second? b)find the maximum height it reaches. c)how long does it remain in the air?

asked by sibonisile jere on October 19, 2016
49. ## fine art

Name the first established female artist and tell at what point she became recognized. I'm confused on this question. I don't know whether it would be Judith Leyster or Sofonisba Anguissola. My textbook doesn't say exactly and I can't find it when I google

asked by huncho jack on March 20, 2018

Find the lump sum deposited today that will yield the same total amount as payments of $10,000 at the end of each year for 15 years at a rate of 4% compounded annually. asked by Thomas on March 21, 2011 51. ## physics Jenny is riding on a bus. She has been unable to find a seat and so she is standing in the aisle. Explain, in physics laws and principles, why it is important that she hold onto something while she is completing her journey. asked by Mariya on April 6, 2013 52. ## Physics Find the net force on a,b and c. Given ma=363kg mb=517kg and mc=154kg. abc This was a question given to our class by our physics teacher ... he did not show us how to do it. So any help/steps involved to solve this problem would be much appreciated. asked by Krissy on February 21, 2010 53. ## math help please 2. A teacher asks her class of 22 students, “What is your age?” Their responses are shown below. 19, 19, 14, 14, 16, 19, 19, 16, 16, 15, 17, 16, 17, 16, 15, 14, 15, 15, 17, 14, 16, 15 Find the mean, median, and mode for the data. If necessary, round to asked by Delilah on March 25, 2013 54. ## Math A man travels distance 18km/h from his house . To an exhibition by rickshaw at 15km .and return back on cycle at 20km/h. Find his average speed for the whole journey asked by Sadique on May 27, 2017 55. ## chemistry Calculate RAM of Cu and S from the percentage abundances of their isotopes Use your answers to find the RFM of Copper (II) Sulfide, Cus 63Cu- 69.1% 65Cu - 30.9% 32 Sulphur-95.0% 33 S-0.76% 34S-4.22% 35S-0.20% asked by vidya on February 19, 2016 56. ## Statistics A study found that 8-to 12-year olds spend an average of$18.50 per trip to mall. If a sample of 49 children was used, find the 99% confidence inteval of the mean. Assume the standard deviation is $1.50. asked by Anonymous on November 20, 2008 57. ## statistics An automobile shop manager times six employees and found that the average time it took then to change a water pump was 18 minutes. The SD of the sample was 3. Find the 99% of the interval of the true mean. asked by katelyn on March 6, 2011 58. ## physics Find the rotational kinetic energy and angular momentum about its axis of the earth due to its daily rotation. Let ME = 6 x 1024 kg, RE = 6.4 x 106 m and We = 1.157 x 10-5 rev/sec. asked by qay on December 4, 2010 59. ## chemistry Need to find info about chemical reaction of lemon juice and baking soda. Doing experiment where gas produced will inflate balloon hopefully. Will outcome be a lot different than if I had used vinegar? asked by Kay on December 7, 2012 60. ## math Find the ending balance in an account that opens with$5,000, earns 2.5% interest compounded quarterly, and is held for 5 years. (Round your answer to the nearest cent.) $1 asked by Anonymous on August 20, 2012 61. ## statistics A police department reports that the probabilities that 0, 1, 2, and 3 burglaries will be reported in a given day are 0.50, 0.41, 0.05, and 0.04, respectively. Find the standard deviation for the probability distribution. Round answer to the nearest asked by darius on August 28, 2007 62. ## Algebra 1 Solve by completing the square: A rectangular patio has a length of (x + 6) m, a width of (x + 8) m, and a total area of 400 m2. Find the dimensions to the nearest tenth. Please help me with this math problem. Thanks so much. asked by Aliyah on March 16, 2018 63. ## Algebra A rectangular pig pen is made of 84 meters of fencing on three sides. The fourth side is a barn wall. Find the dimensions and greatest possible area of the enclosure. asked by Gabby on January 15, 2016 64. ## Math The graph of f is shown. Apply Rolle's Theorem and find all values of c such that f '(c) = 0 at some point between the labeled intercepts. (Enter your answers as a comma-separated list.) f (x) = sin(2x) asked by Reza on March 5, 2012 65. ## statistic Assume that adults have IQ scores that are normally distributed with a mean of \mu=105μ=105and a standard deviation \sigma=20σ=20. Find the probability that a randomly selected adult has an IQ less than 145. asked by mckenna lester on February 25, 2016 66. ## Math One thousand raffle tickets are sold for$1.00 each. One grand prize of $400 and two consolation prizes of$100 each will be awarded. Jeremy purchases one ticket. Find his expected value. ??

asked by Jen on July 30, 2011

Find the cost of a home in 20 years, assuming an annual inflation rate of 4%, if the present value of the house is $285,000. (Round your answer to the nearest cent.) asked by DEE on February 25, 2012 68. ## pre-calculus$100,000 is divided into two investments with annual returns of 4% and 7.5%. find the amount invested at the lower rate if the total income at the end of the year is $5050? asked by zana on October 13, 2011 69. ## Geometry Find the missing numbers for the dimensions and measures of a rectangular prism... Length ? Width 7 m Height 5 m Surface Area 214 m to the second power Volume ? Please answer the one's with a ?. Thank you. asked by Jacob on December 6, 2013 70. ## Mathematics In the adjoining figure,the slant height and the total surface area of square based pyramid are 12cm and340sq.cm respectively.find the perimeter of the base and volume asked by Bhawana on July 18, 2016 71. ## Calculus Find the number a such that the line x = a divides the region bounded by the curves x = y^2 − 1 and the y-axis into 2 regions with equal area. Give your answer correct to 3 decimal places. asked by John on January 22, 2016 72. ## science What is the visual reaction when CuSO4 and NaCO3 is combined? I know what to do, I just forgot the info at school and I need this done by tomorrow. I would prefer to figure it out on my own but I don't have the chemicals at my house and I can't find asked by Anonymous on October 19, 2014 73. ## Confidetiality of Health information I was trying to find information on what you should do if a patient doesn't want her violent boyfriend to know she's getting an abortion. She wants all communications sent to her post ofice box and to phone her only at work.What should the doctor do. and asked by Aleis on April 24, 2008 74. ## social studies Describe some positive and negative events of the trustee period, and provide your own evaluation of the rule of the trustees as either generally a success or a failure. i have searched online i cant find anything can someone please help out asked by Anonymous on November 3, 2014 75. ## Math What are some examples of exponential function (Using the formula: Al = A0(1/2)^t/h ), trig functions that are used to find amplitude, period, max, min etc., and combinations of transformation at home or in life in general? asked by Kate on July 30, 2011 76. ## technology Find the necessary equipment from online vendors to upgrade the computers. submit a cost report, a list of hardware/software needed, and a labor estimate for upgr asked by shon on August 26, 2009 77. ## Physics Classical Mechanics MIT A uniform disc of mass m and radius r is acted upon by three forces. find the magnitude of angular acceleration and the sense of rotation. Three different cases. force F, 3F, 2F. need help, not doing so good. asked by Hil on December 6, 2013 78. ## physcis a 16990kg airplane lands with a speed of 91m/s on a stationary aircraft carrier deck that is 115m. find workk done by nonconservative forces in stopping the plan. asked by brittney on March 26, 2010 79. ## Algebra 2 In triangle ABC, asked by Veronika on February 23, 2016 80. ## Art 7 1.An art historian notices that two neighboring cultures use a similar style when sculpting horses. This is likely an example of A. Shares interests in the equine form B. Baroque style C. Cultural exchange D. Orientalizing Style 2.An artist loved to work asked by Random on March 6, 2015 81. ## To DrBob222 Can you please explain thoroughly to me about all this. Why do we criss cross the formulas of compounds? How do we find out which combining capacity to use if there are more than one? Is there a special formula we use to find out or something? I really do asked by Sara on April 22, 2010 82. ## economics What is the role of producers in consumer protection &awareness?i need a article on this topic b'coz i have to prepare school pro ject on same. Here you will find a list and description of "producer" disclosure statutes enforced by the Federal Trade asked by bhavna on June 13, 2006 83. ## Physics A 7450kg satellite has an elliptical orbit. The point on the orbit that is farthest from the earth is called the apogee. The point on the orbit that is closest to the earth is called perigee. Suppose that the speed of the satellite is 2940m/s at the apogee asked by Cavin on February 25, 2007 84. ## chemistry The balanced equation doesnt seem to help because the thiosulfate is not in the equation, I think it is preventing the reaction from going backwards. THe equation is: 2iodide ion + hydrogen peroxide + 2 H3O --> elemental iodide + 4 H2O within the reaction asked by jacob on February 5, 2007 85. ## Physics A circular disk of mass 0.3 kg and radius 40 cm, initially not rotating, slips down a thin spindle onto a turntable (disk) of mass 1.7 kg and the same radius, rotating freely at 3.1 rad/s. a) Find the new angular velocity of the combination; A circular asked by John on December 4, 2011 86. ## Economics Aside from humanitarian concerns, which of the following is one reason on nation is motivated to provivde foreign aid to a less developed country? A. Foreign aid is tax deductible B. The nation providing foreign aid decreases its unemployment. C. The asked by MM on March 28, 2012 87. ## Check Answers PLEASE Paula asked 30 students what they ate for lunch. All the students had at least a sandwich, salad or fruit. ********************************* QUESTION A Draw a Venn Diagram. * * * * * * * * * * * * * * * * * THIS IS THE INFORMATION FROM THE DIAGRAM: 5 asked by Daniela on April 6, 2017 88. ## Maths Paula asked 30 students what they ate for lunch. All the students had at least a sandwich, salad or fruit. ********************************* QUESTION A Draw a Venn Diagram. * * * * * * * * * * * * * * * * * THIS IS THE INFORMATION FROM THE DIAGRAM: 5 asked by Daniela on April 6, 2017 89. ## Statistics 1. For the following exercise, complete the following by using the data sets below that provides the ages of the first seven presidents: a. Find the mean, median, and range for each of the two data sets. First 7: The mean is 58.3 The median is 57 The range asked by Anonymous on July 8, 2010 90. ## MATh Methods 1. The cost of producing x hundred litres of olive oil is 20 + 5x dollars. If the revenue from the sale of x hundred litres of the oil is 1.5x2 dollars, calculate to the nearest litre, the number of litres that must be sold to make a profit of$800. 2. The

asked by Aaa on February 21, 2018
91. ## math

The rectangle given has a perimeter of 14 units. Find the value(s) of x by factoring a quadriatic equation. one side= 12/(x+1) other side= 6/(4-x) Remember that the perimeter of a rectangle is: P = 2L + 2W Note: P = perimeter, L = length, and W = width.

asked by Shay on January 17, 2007
92. ## Math PLZZZ HELPP MEE!!!

the area of the parallelogram. Quadrilateral top: 5 cm side: 14 cm length: 12 cm *38 cm2 *60 cm2 •• *70 cm2 *168 cm2 3. Find the perimeter of the parallelogram. Quadrilateral top: 10.8 ft side: 5.1 ft length: 2.3 ft *15.9 ft *24.84 ft *31.8 ft ••

asked by Jojo on February 17, 2016
93. ## medical terminology

Could someone please check my answers. If they are wrong could you give me the correct answer or tell me where to find it..Thanks in advance for all your help... 1. A patient has calculi present in the kidney. This statement indicates which diagnosis? A.

asked by Kelsey on May 22, 2010
94. ## Algebra

The function H(t) = -16t2 + vt + s shows the height H (t), in feet, of a projectile launched vertically from s feet above the ground after t seconds. The initial speed of the projectile is v feet per second. Part A: The projectile was launched from a

asked by Ashlee on April 17, 2016
95. ## math

The triangular numbers are the numbers 1, 3, 6, 10, 15, . . .; the square numbers are the numbers 1, 4, 9, 16, 25, . . . The pentagonal numbers 1, 5, 12, 22, 35, . . .. The geometrical language is justified by the following diagrams: a. What are the first

asked by jeep on April 1, 2010
96. ## algebra

For each of the following sequences, find an explicit and a recursive description of the pattern. Assume sequences start from n = 1. a. 1, -1, -3, -5... b. 8,2,3,9... c. -2, 0, 0, -2, -6...

asked by Sara V. on May 3, 2017

find the solutions of the equation that are in the interval [0,2pi) (a) sin2t+sint=0 (b)cost-sin2t=0

asked by Hayli on November 4, 2010
98. ## Math

Find the decibel intensity level at a rock concert if the intensity was measured at 3.98x10^-3

asked by Mike on January 24, 2013
99. ## chemistry

A current of 5A was passed through a solution of nickel (1)(1))salt.find the time taken for 6g of nickel to be deposited

asked by dele Japhet on January 13, 2016
100. ## algebra

Write the expression for each of the following: a]add 9 to y b]subtract p from 15 b]divide m by 3 d]multiply 4 by g e]subtract 12 from 8a f]find the sum of 5 and 9 2

asked by fatimah on September 25, 2017