# 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 547
1. ## physics

A piece of gold wire is used to form a circular loop of radius 12.3 cm. The wire has a cross-sectional area of 11.1 mm^2. Points A and B are 90.0° apart. Find the resistance between points A and B.

asked by Eric on February 8, 2011
2. ## maths-surface area

A cone 7dm high and 6 dm in diameter is placed on the ground. Sand is poured over it until conical heap 21 dm high and 33 dm circumference at the bottom is formed. Find how many m^3 of sand is there?

asked by anoynomous on March 18, 2013
3. ## Physics

A 9 kg hanging weight is connected by a string over a pulley to a 5 kg block sliding on a flat table. If the coefficient of sliding friction is 0.2, find the tension in the string.

asked by Lex on April 15, 2013
4. ## math

the cost of banana is Re.1 more than that of an orange. Mr asad purchased 12 bananas and 20 oranges . if he paid Rs.108 to the fruit saller, find the price of a banana and orange.

asked by fazalamin on November 30, 2016
5. ## algebra

a steamboat travels 9 miles up a river in 3 hours and returns the same distance down the river in 2 hours. find the speed of the boat in still water and the rate of the current.

asked by erika on February 4, 2012
6. ## Math

I'm having some trouble with this question: Find a value(s) that makes the expression y^2 - 16/ y^2 - 16 undefined. I know that for an expression to be undefined that the denominator must be 0, so I thought -8^2, but that would just result in 16 + 16. I'm

asked by Andre on April 15, 2019
7. ## Calculus

Suppose the revenue from producing and selling x units of a given product is given by R(x)=10x-0.02x^2 a) Find the number of units produced if the revenue is \$800. I really need help with this, I don't know what to do?

asked by Casey on February 3, 2012
8. ## Algebra

The temperature y (in degrees Fahrenheit) after t months can be modeled by the function y=-3t^2+18t+53 where 1

asked by Kylet davis on March 2, 2016
9. ## Precalculus

find the equation of the cubic equation show graph passes through the points (3,0) and (1,4) and is tangent to the axis at the origin??? I honestly cannot figure this out and can you explain the graph to me too?

asked by Sam on October 23, 2012
10. ## maths

A vendor bought 150 breadfruits at \$2 each 20 of the breadfruits were bruised and could not be sold.She sold 30 of the remainder at \$2 each and the rest at \$1.80 each.Find whether he made a profit or loss and the amount.

asked by yannica on June 18, 2013
11. ## math

triangle a and b are similar the ratio of a side of triangle b to a corresponding sid of triagle a is 5.3 the lengths of the sides of triangle a a are 18ft, 27ft and 30ft find the perimeter of triangle b

asked by michael on March 28, 2011
12. ## statistics

suppose you roll two number cubes and pick a letter of the alphabet at random. find the probability you will roll two odd numbers and pick one of the letters k, l, or m.

asked by logan on June 4, 2014
13. ## Algebra

The temperature y (in degrees Fahrenheit) after t months can be modeled by the function y=-3t^2+18t+53 where 1

asked by Kylet davis on March 4, 2016
14. ## Algebra

The temperature y (in degrees Fahrenheit) after t months can be modeled by the function y=-3t^2+18t+53 where 1

asked by Kylet davis on March 3, 2016
15. ## chemistry

A 10L flask at 298K contains a gaseous mixture of CO AND CO2 at a total pressure of 4atm.if 0.20 mole OF CO is present ;find the partial pressure of CO and that of CO2

asked by Nanayaw on November 9, 2015
16. ## maths

find the gradient of the tangent to the parabola y=4x-x^2 at (0,0) hence calculate the size of the angle between the line y=x and this tangent. (as i cant show you the diagram all that it shows is the line going through (0,0) and having one point of

asked by mr maths on January 1, 2010
17. ## Physics

The following four lenses are placed together in close contact. Find the focal length of the combination. Lens 1- F'= +200mm Lens 2- F'= -125mm Lens 3- F'= -400mm Lens 4- F'= +142.9mm

18. ## trigo

In a right tringle,/_ABC has a value of 37 degree while its opposite side is equal to 5,where angle c=90 degree find: a.) Remaining sides of the triangle b.) /_ABC using any trigonometry functions

asked by William john on July 12, 2011
19. ## electric force/field

Three point charges, A = 2.2 µC, B = 7.5 µC, and C = -3.9 µC, are located at the corners of an equilateral triangle . Find the magnitude and direction of the electric field at the position of the 2.2 µC charge. magnitude = . N/C direction =

asked by physics on January 23, 2012
20. ## math

Find the values of the trigonometric function cot -8/17 sin: sec: tan: cot: I know you use a Pythagorean Identity, sin^2t + cos^2t=1 I got 64/289 for the first one for example and it was wrong.

asked by john on October 26, 2015
21. ## science

I need help to find the answer to this problem: The formula for aluminum sulfate is Al2(SO4)3. Figure the molar mass of aluminum sulfate to the nearest gram?

asked by wizzkid01 on December 16, 2008
22. ## algebra

Find the accumulated value of an investment of \$10,000 for 3 years at an interest rate of 6% if the money is a)compounded seiannually,b)compounded quarterly, c) compounded monthly, d) compounded continually

asked by Betty on February 1, 2012
23. ## Calculus

I have the equation: cos x - x = f(x) I am told to find the relative extrema. I am also told to use the Second Derivative Test where applicable. My question is how do I solve this problem, and how do I know when to use the Second Deriv test? Thanks!

asked by Phil on November 14, 2007
24. ## algebra

If the lengths of a pair of opposite sides of a square were tripled and the other pair were each increased by 7 cm,the new figure would be rectangle with a perimeter 96 cm find the dimensions of the original square

asked by uma on April 9, 2016
25. ## Math

If someone earns \$960 interest over 4 year period on a \$6,000 investment, how do I solve this to find the percentage of interest per year. I know it is 4%, I just can't figure out how to show the math.

asked by Anonymous on October 15, 2009
26. ## Algebra

The temperature y (in degrees Fahrenheit) after t months can be modeled by the function y=-3t^2+18t+53 where 1

asked by Kylet davis on March 2, 2016
27. ## elementary math for teachers

Numbers is a game where you bet \$1 on any three-digit number from 000 to 999. If your number comes up, you get \$600.00, otherwise you lose the \$1. Find your expected winnings if all numbers are equally likely to come up.

asked by jen on October 15, 2009
28. ## algebra 1

mindy is building a patio that is in a shape of a square. this will cover 56 square yards. find the length of a side of the patio to the nearest tenth of a yard ?

asked by Anonymous on September 8, 2012
29. ## Physics

An elevator is moving at 1.1 m/s as it approaches its destination floor from below. When the elevator is a distance h from its destination, it accelerates with a = −0.55 m/s2,where the negative sign indicates a downward vertical direction. Find h.

asked by Anne on September 21, 2012
30. ## math

the external dimensions of a closed box are 8cm by 5cm by 4cm. given that the thickness of the wood of which it is made is 0.5cm, find the volume of the wood used to make it.

asked by sabrina on October 26, 2015
31. ## Physics

A particle moves in a straight line so that its position (x cm) from a fixed point O at time (t seconds) is given by x= t^3-6t^2-15t-5 Find the average speed of the particle in the first 7 seconds

asked by Jane on September 8, 2012
32. ## Math

How do you find the value of x for a regular pentagon with its sides extended. The only information that they give is X to the 6th power inside of the circle at the top of the pentagon with an extended side.

asked by Arlena on November 27, 2010
33. ## Mensuration

A verandah 1.25m wide is constructed all along the outside of a room 5.5m long and 4m wide. Find the cost of cementing the floor of this verandah at the rate of ₹15 per sqare metre.

asked by Sunil on February 24, 2016
34. ## History

Hi, i am doing a presentation on women's rights, particularily focusing on Nellie McClung, could you help me find some good sites about her? Also, do you know of any song that involve women's rights/power.

asked by Shaz on May 29, 2008

hi! I'm doing research about the Muslim rebellion in the southern Philippines.. but the websites I keep finding I don't understand the information. Could anyone help me find websites which are easy to understand? thanks. I have to know the who, when,

asked by Jen on June 12, 2008
36. ## Probabilities

Need some help please! A box contains four good light bulbs and three defective ones. Bulbs are selected one at a time (without replacement). Find the probability that the second defective bulb is found on the third selection.

asked by Bianca T on June 10, 2015
37. ## math

An oil tank is 3m long, 3 m wide and 2 m high, when it is full of coconut oil specific gravity of 0.90, find the downward force at the bottom of the tank.

asked by mmmm on June 13, 2015

Sally bakes two cakes, a square and a circle. The length of the side of the square cake is 8 inches. Find the area and the perimeter of the cake heart.

asked by Katy on February 16, 2014
39. ## math

A concert promoter wants to give away 240 tickets to 3 radio stations. Which basic math fact can he use to find 240 image 3 using mental math?

asked by nathalie on February 6, 2014
40. ## calculus

how do not understand how to find a deriviative of this function?Do i use chain rule and product rule? r= the square root of (theta*sin*theta) No one has answered this question yet.

asked by carolin on October 18, 2009
41. ## Physics

a boat leaves shore and travels 30km east and then 15km 50 degree South of east Find the resultant the boats resultant displacement?

asked by Earl on June 18, 2014
42. ## mathematics

Find I. Choose the correct answer. Amount Financed (m) = \$1,400 Number of Payments per year (y) = 12 Number of Payments (n) = 24 Total Interest (c) = \$200.50

asked by Anonymous on June 16, 2015
43. ## Pre-Calc

sin(2θ)=1/2 Find all solutions in the interval [0, 2π). (Enter your answers as a comma-separated list.) k = any integer What I have so far: pi/12 + kpi, 5pi/12 + kpi However, I do not know how to solve for the interval. Please help, thank you!

asked by Amber on March 7, 2019
44. ## trig

An airplane has air speed of 540 mph and a heading of 50*. The wind is blowing from the north at 27 mph. Find the plane's ground speed and course direction.

asked by Marlo on April 10, 2014
45. ## Current Events

Hi everyone!! I need a current event. Current events are where you write a summary on a article. But I can't find any good sites. I'm looking for sites because I don't wanna buy a newspaper with nothing I want. Can I please have help????

asked by Erin on November 6, 2010
46. ## algebra

math question: you want to mat and frame a 5x 7 photograph. The perimeter of the outside of the mat is 60 inches. the mat is twice as wide at the top and the bottom as it is on the sides. Find the dimensions of the mat

asked by carolina on August 24, 2012
47. ## Math

Please help solve these word problem .gopal pours 4/9 of milk from a jug equally into 4 cups.find the amount of milk,in litres, (a)in each cup. (b)in 3 cups.

asked by Tabassum sultana on January 24, 2019
48. ## Math

A car moves along a straight road in such a way that its velocity (in feet per second) at any time t (in seconds) is given by v(x) = 3x sqrt(9-x^2) on an interval of 0,3. Find the distance traveled by the car in 3 seconds.

asked by Peter on April 16, 2019

Find the sum of integers c for all triples of integers (a,b,c),a≤b≤c, that satisfy the system of equations a^2−bc=91 b^2−ac=91 c^2−ab=91 Details and assumptions If a number c appears in several different triples (a,b,c), it must be counted with

asked by Mathslover on May 13, 2013
50. ## Maths

An iron pipe of internal diameter 2.8 cm and uniform thickness 1 mm is melted and a solid cylindrical rod of the same length is formed. Find the diameter of the rod.

asked by Sudan Maharjan on July 19, 2018
51. ## Logs

The number of years n required for an investment at interest rate r to double in value must satisfy (1+r)^n = 2. Using the approximation ln(1+r)=r valid for small r, find the number years n as a function of r.

asked by Linda on April 21, 2008
52. ## math

If the perimeter of a parallelogram is 140 m, the distance between a pair of opposite sides is 7 meters and its area is 210 sq m, find the length of two adjacent sides of the parallelogram.

asked by Krish on September 3, 2011
53. ## math

A right triangle is drawn on a coordinate plane. Its base is the line segment between (2, 2) and (9, 2). The hypotenuse is a line segment that begins at (2, 2) and has slope 1.25. Find the coordinates of the third point.

asked by Sarah on January 20, 2016
54. ## math

Numbers is a game where you bet \$1 on any three-digit number from 000 to 999. If your number comes up, you get \$600.00, otherwise you lose the \$1. Find your expected winnings if all numbers are equally likely to come up.

asked by ann on October 11, 2009
55. ## Pre-Cal

evaluate the trigonometric functions by memory or by constructing appropriate triangles for the given special angles. a) csc 30 degrees b) sin pi/4 = sqrt2 / 2 I just do not know how to find csc 30 degrees.

asked by Abbey on March 22, 2010
56. ## Physics

A stone is thrown in the air with an initial velocity of 50 m/s at 37 degrees to the horizontal. Find the total time the ball is in the air. What would be the total distance traveled?

asked by Anonymous on March 23, 2014
57. ## English

River Traffic The great rivers roll on their way to the sea. And young men and boys ride on flat-bottomed boats That carry great cargoes of lumber and wheat To farms and the markets in blistering heat In America’s South where the boats sell their loads.

asked by JJJAYWOW on April 16, 2013
58. ## Mechanics

Two objects with masses 5.60 and 2.40 hang 0.600m above the floor from the ends of a cord 8.00m long passing over a frictionless pulley. Both objects start from rest.Find the maximum height reached by the 2.40kg object

asked by Sarah on April 1, 2013
59. ## Mechanics

Two objects with masses 5.60 and 2.40 hang 0.600m above the floor from the ends of a cord 8.00m long passing over a frictionless pulley. Both objects start from rest.Find the maximum height reached by the 2.40kg object

asked by Sarah on March 31, 2013
60. ## physics

An 8.0 kg puck floating on an air table is travelling east at 15 cm/s. Coming the other way at 25 cm/s is a 2.0 kg puck on which is affixed a wad of bubble gum. The two slam head-on into each other and stick together. Find their velocity after the impact.

asked by myra on May 27, 2012
61. ## Physics

A 0.20 m uniform bar has a mass of 0.75 kg and is released from rest in the vertical position, as the drawing shows. The spring is initially unstrained and has a spring constant of 25.0 N/m. Find the tangential speed with which end A strikes the horizontal

asked by Samantha Kaur on June 9, 2011
62. ## Physics

Three charges are arranged as shown in the figure below. Find the magnitude and direction of the electrostatic force on the charge q = 5.12 nC at the origin. (Let r12 = 0.320 m.) I did the math and for mag i got 1.41E-5 N.for the direction i seem to keep

asked by Maria on February 1, 2018
63. ## Physics

A 0.20 m uniform bar has a mass of 0.75 kg and is released from rest in the vertical position, as the drawing shows. The spring is initially unstrained and has a spring constant of 25.0 N/m. Find the tangential speed with which end A strikes the horizontal

asked by Samantha Kaur on June 9, 2011
64. ## us history

Sara, Sorry to bother you again, I read the websites you provided for me and I do thank you very much. I decided to do the interview on the coal mine workers, but where do I find the list of coal mines established in the 19th century that associates with

asked by Lauri on March 31, 2010
65. ## math (check my answer?)

Find the equation of a sine function that has a vertical displacement 2 units down, a horizontal phase shift 60 degrees to the right, a period of 30 degrees, a reflection in the y-axis and an amplitude of 3. My attempt at an answer: Y = 3 sin (30x- 60) -2

asked by stephy on January 22, 2011
66. ## social studies

Which of the following is not an economic reason for European Exploration? A) The discovery of fine goods in the East B) To spread Christianity throughout the world. C) To find better trade routes to the East. D) To set up colonies to encourage

asked by anonymous on October 13, 2009
67. ## physics

A stone is attached to the end of an elastic string and whirled round in a circle path of radius 80cm if the stone makes 9 complete revolution in 3 seconds .find its angular and linear velocities during this period

asked by martins on October 22, 2017
68. ## Programming & Algorithm

(1) How to design algorithms to implement the stack operations. (2) Write a program to multiply any two matrices. (Using Basic) and finally, (3) Consider the algebraic expression E=(2x+y)(5a-b)^3. Draw the tree T which correspond to the expression E and

asked by Max 2 on October 10, 2009
69. ## Physics

Bob runs a marathon (26 miles) in 4 hrs. Note 1609 is 1 mile. I found the average speed miles/hour which is equal to 6.5 mi/hr. I need to find meters/second? So 1609m/mi * 6.5mi/hr * 1hr/3600sec = ??m/s correct?

asked by Jennifer on September 13, 2006
70. ## algebra

Solve the system by graphing. x + y = 4 –x + y = 2 confused where do i start do i need to solve for x and find points I'll bet that after doing a few like this you would be able to do this one in your head. just add then up. The x's will cancel and you

asked by TAMMY on April 27, 2007
71. ## geometry

I am having a hard time determining what formula I need to solve the following: On a hexagonal window the height is 1.3m. Find the width.Do I use the pythagreom theorem (but I have only one known number) or do I use the formula 6(1/2as)? I'm confused. The

asked by Cendrillion on August 19, 2010
72. ## Science

Any help on this I have to go to bed!!!! Help!!!! I can't find these answers anywhere and I don't have a science text book. 1. A tough outer covering that lies right outside the cel membrane. 2. A twisted membrane with portions that break off to form

asked by Eryns on December 8, 2009
73. ## statistics

LSAT test scores are normally distributed with a mean of 510 and a standard deviation of 110. Find the probability that a randomly chosen test-taker will score between 300 and 580. (Round your answer to four decimal places.)

asked by Anonymous on November 21, 2012
74. ## math (SIMPLE INTEREST)

4.the amount in an account which was opened 180 days ago is RM205. iF the account was offered a simple interest of 5 percent per annum, find the original principal. 5.how long does it take a sum of money to double itself in four years ?

asked by fizz on April 20, 2014
75. ## Biology URGENT

What are Chroobacteria, Hormogoneae, and cleeobacteria? Spelling suggestions are welcome. Chromobacteria, Hormogonia are the spellings. I don't know about the others. Thank you. Do you know where i could find some info on them? wikpedia Thanks but no

asked by Amanda on October 26, 2006
76. ## physics

6 electric lamps connected in parallel at 100 volt explain how they are connected to operate at 200 volts without spoiling them.find the total current intensity in the circuit if the resistance of each lamp 240 Ohm

asked by amal on February 27, 2012
77. ## Physics

A 0.20 m uniform bar has a mass of 0.75 kg and is released from rest in the vertical position, as the drawing shows. The spring is initially unstrained and has a spring constant of . Find the tangential speed with which end A strikes the horizontal

asked by Samantha Kaur on June 9, 2011
78. ## Physics

A 0.20 m uniform bar has a mass of 0.75 kg and is released from rest in the vertical position, as the drawing shows. The spring is initially unstrained and has a spring constant of . Find the tangential speed with which end A strikes the horizontal

asked by Samantha Kaur on June 9, 2011
79. ## physics

6 electric lamps connected in parallel at 100 volt explain how they are connected to operate at 200 volts without spoiling them.find the total current intensity in the circuit if the resistance of each lamp 240 Ohm

asked by amal on February 27, 2012
80. ## science

I need to find a thin layer of ice that has condensed? go north :-) or... Put 1/3 cup of hot water in the freezer with a piece of plastic over it. The warm moist air will rise and condense on the plastic lid and freeze there.

asked by albia on March 14, 2007
81. ## Calc

Express the limit as a definite integral on the given interval. Use Riemright and evaluate the sum by hand. lim n-> infinity sigma with n on top and i=1 on the bottom [4 - 3(xi*)^2 + 6(xi*)^5]delta x, [0,2] Please help. I am really confused. To find delta

asked by Chelsea on January 22, 2011
82. ## math

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.

asked by Ash on February 2, 2011
83. ## PHYSICS

A copper (shear modulus 4.2 x 1010 N/m2) cube, 0.248 m on a side, is subjected to two shearing forces, each of magnitude F = 3.84 x 10 6 N (see the drawing). Find the angle (in degrees), which is one measure of how the shape of the block has been altered

asked by Anonymous on November 4, 2015
84. ## Math

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.

asked by Ash on February 2, 2011
85. ## Physics

Calculate the speed needed by a spacecraft to maintain a circular orbit at about 350 km above Earth’s surface. (it's a project where we create our own spaceship. let's say the craft is 500kg) --- Not sure about the formula to find this. All I know is

asked by Ben on February 6, 2010

a firm that produce car components has fixed costs of 40000 per month and variable cost of 24.00 per component, regardless of the number of units sold. find the break even point in units and explain it by means of a graph

asked by Jackson on February 25, 2010
87. ## physics

A 2 kg block, starting from the rest, slides 20 m down frictionless inclined plane, dropping a distance of 10m. The magnitude of the net force on the block while it is sliding is...? How do I solve this problem? And if it were to ask for the speed at the

asked by Anonymous on May 11, 2008
88. ## statistics

LSAT test scores are normally distributed with a mean of 490 and a standard deviation of 110. Find the probability that a randomly chosen test-taker will score between 320 and 600. (Round your answer to four decimal places.)

asked by jack on April 16, 2013
89. ## English(To Kill A MockingBird)

In chapter 4 in what specific ways did Scout critize the school in which she is attending? Have you read Chapter Four? Maybe if you did you would know. Yeah but I can't fnd it! type in anti study+ to kill a mockingbird and you will find lots of cliffnotes

asked by Margie on October 26, 2006
90. ## Ap Calculus

Ok, I've been doing BC review tests to prepare for the AP exam. I came across this free response problem and I have no idea how to do it, can someone please help me with this? It gives the differential equations: dP/dt = .03P(30-P) and it asks "Find the

asked by Jessica on April 25, 2007
91. ## math

A rectangular lot is bordered on one side by a stream and on the other three sides by 360m of fencing. Find the dimensions of the lot in order to maximize area. (Also, does it make sense if the answer I got is 180m width, 90m length?)

asked by cs on March 27, 2012
92. ## Statistics

An automatic machine in a manufacturing process is operating properly if the lengths of an important subcomponent are independently and normally distributed with a mean of 120 cm and a standard deviation of 4.7 cm. Find the probability that if 3 are

asked by Meghan on September 21, 2011
93. ## Environmental Science

Does anyone know where I can find information on camparing the use of Malathion to the risk of contracting the West Nile Virus? I have to explain my vote and consider any relevant political, social and economical aspects. Just having trouble finding

asked by stephanie on February 20, 2010
94. ## stonehenge

i'm researching stonehenge for my 8th grade gifted class. where can i find a website that will show me how to build a replica of it? http://www.fromoldbooks.org/OldEngland/pages/0002-Stonehenge-Restored-plan/

asked by amy on December 11, 2006

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.

asked by Ash on February 2, 2011
96. ## MATH

Find the amount accumulated in the sinking fund if \$1600 is deposited quarterly for 20 years at 6% per year. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest dollar.)

asked by david on March 11, 2009
97. ## trigonometry

Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Can you help me find the latitude of Spokane, WA if Spokane and Jordan Valley, OR, 43.15degreesN, are 486 miles apart. I think its either A. 47.50degN or

asked by y912f on January 7, 2009
98. ## native american history

Discuss the divisions between the traditionalists and moderate Indians from WWII on. Why does this war help to produce a sharp division between them? How did the actions of the government fully deepen it? Can someone help me break this question down and

asked by elizabeth on September 20, 2007
99. ## Managerial Finance

Isabelle wants to save up an amount of \$150,000 for her son's college education fees, coming up in 5 years. Find the amount that should be invested today if the bank pays an interest rate of 5% compounded annually

asked by Kim on February 14, 2016
100. ## human service

What are some other technological tools that have been developed to help the individual manage their professional business contacts and/or stay connected. I googled this question and found no answer. Can you please help me find the website that I need. I

asked by Patiance on November 8, 2011