# 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 492
1. ## statistics

Does anyone know how to solve these two problems. Solve the problem. Find the critical value za/2 that corresponds to a degree of condfidence of 98%. Express the confidence interval in the form of ^p _+E. 0.0330.493

asked by sydney on August 28, 2007
2. ## UM

A car is traveling at 20 meters per hour on the level road where the coefficient of kinetic friction between tires and road is 0.8.Find the minimum turning radius.

asked by almamie Villegas on November 16, 2015
3. ## Business

How could I find the increased revenue of a company due to its effort in research and development. I look at a company's financial statements, but its consolidated and doesn't give me the info i want. Please help.

asked by C on November 30, 2007
4. ## math

The density of a crystal is 2.65 grams per cubic centimeter. Ryan has a rectangular prism made of quartz. It measures 10 cm by 10 cm by 6 cm. Find the weight of this crystal in kilograms.

asked by Dan on April 6, 2011
5. ## Physics

An object is placed 11 cm in front of a convex mirror of focal length 4 cm. Using the lens equation, find where the image will form and state whether it is a real or virtual image.

asked by Bob Any help is appreciated on December 1, 2012
6. ## Math

Find the components of the unit vector that makes an angle of 210 degrees counterclockwise with the positive x-axis (-√3/2,-1/2) which would be the same as (cos 210º,sin 210º)

asked by Alejandro on April 16, 2007
7. ## Computers

I know that there are a whole bunch of proxy servers out there but I can't seem to find one that will help me get around the system. I am wanting to use this proxy address to help me access school resource websites, but they're all blocked. HELP!!!! Please

asked by Anonymous on October 24, 2012
8. ## math

Find the periodic payment R required to amortize a loan of P dollars over t yr with interest charged at the rate of r%/year compounded m times a year. P = 16,000, r = 8, t = 6, m = 6

asked by Nicole E on February 7, 2011
9. ## Summer School Calculus

Add the following vectors , 7m/s [N30E] and 2m/s [S17E], using trigonometry. Once you draw these out into diagrams, you use the triangle law yes? How do you find the angles to use in the cosine and sine law? A little confused, thanks for the help.

asked by Derek on June 28, 2008
10. ## Math (Pre-Calculus)

Find an equation of the line containing the points (8,-6) and (8, -4) so far i've tried y-y1=m(x+x1) but currently cannot get the answer....T-T the answer is suppose to be x=8 plz show the work so i can study form it and do it myself the next time... thnx

asked by K.C on October 27, 2010
11. ## physics

A 0.104 kg rock is attached to a 1.92 m long string and swung in a horizontal circle at a speed of 29.7 m/s. Find the tension in the string. Neglect the effect of gravity.

asked by Alyssa on October 31, 2012
12. ## Chemistry-1

How do we find the molar mass of a gas produced? Example if 1.00 kg of N2H2 reacts with 1.00kg of H202. How many moles of N2 could be formed? THe equation is N2H2+2H202 > N2 + 4H20

asked by Hero on April 9, 2012
13. ## physics

A full can of black cherry soda has a mass of 0.406 kg. It contains 3.38 10-4 m3 of liquid. Assuming that the soda has the same density as water, find the volume of aluminum used to make the can.

asked by amanda on December 4, 2010
14. ## Calculus

If a ball is thrown into the air with a velocity ofc 40ft/s,its height in feet after t seconds is given by y=40t-16t^2. Find the velocity when t =2. Could you please show the steps

asked by Eileen on June 30, 2010
15. ## Physics

An object is placed 11 cm in front of a convex mirror of focal length 4 cm. Using the lens equation, find where the image will form and state whether it is a real or virtual image.

asked by Frank on December 13, 2014
16. ## Math 111

Find the quadratic function that has vertex (-1, 8) and whose graph goes through the point (8, 170). I could not understand this problem I Can not for the lift of me get it. I got as far as some number(x+1)^2+8 but i don't know what the number before all

asked by Jessica on October 27, 2010
17. ## Math

Ryan brought a red milk snake to show during science class. Then snake is 56 centimeters long. Find its length to the nearest whole inch.

asked by Losa on October 24, 2012
18. ## algebra - please help!

Liam is single. He has no children and an adjusted income of \$26,700. Find his income tax. A. \$1,735 B. \$2,185 C. \$2,732.50 D. \$1,835 Please walk me through on how you got the answer..

asked by zek on May 14, 2015
19. ## Calculus

Suppose that the revenue in dollars from the sale of x campers is given by the formula shown below. R(x) = 58,000x + 38,000(10 + x)−1 − 4000 (a) Find the marginal revenue when 10 units are sold.

asked by Carol on February 18, 2012
20. ## Math(cal2)

Find the volume of the solid whose base is the region bounded by the x axis, the curve y=(x^2+9)^(1/2), x=1,x=3 and which has the property that each cross section perpendicular to the x axis is equilateral triangle.

asked by anonymous on February 4, 2018
21. ## Chemistry (Gas Laws) I REALLY NEED HELP

A 27.8 liter container is initially evacuated, and then 8.8 grams of water is placed in it. After a time, all the water evaporates, and the temperature is 130.8 degrees C. Find the final pressure.

asked by Christina on May 10, 2011
22. ## statistics

collect the annual sales of a super market for 10 years and fit a straight line trend to the data collected and find the trend values

asked by sireesha on June 2, 2011
23. ## geometry

If four angles of a convex pentagon measure 120°, 93°, 108°, and 101°, find the measure of the fifth angle. Show equations and work that lead to your answer.

asked by sharon on January 7, 2012
24. ## math

Given that a:b = 8:5 and b:c= 3:4 find the ratio a:b:c Give your answer in its simplest form. Show all working out. My work: 1) 5 and 3 both equal to b. 2) 8+5=13/2= 11.5 3)3+4=7/2=3.5 4)11.5+3.5= 15 All my working shown I dont understand this question

asked by supersupersuper on January 3, 2017
25. ## Chemistry

0.5 grms of the magnesium burnt in a closed vessel which contents 0.25grms oxygen. 1)which reaction limiting reagent? 2)find the mass of access reaction?

asked by Anonymous on June 4, 2018
26. ## physics

when 1240 J of heat are added to one mole of an ideal monatomic gas its temperature increases from 273K to 277K. Find the work done by the gas during the process.

asked by tired on November 12, 2013
27. ## A/P Calculus

A Cyclist is riding on a path whose elevation is modeled by the function f(x) = 0.08(16x-x^2) where x and f(x) are measured in miles. Find the rate of change of elecation when x=4. Would this be 0.64? dx/dt would be 1.28 - 0.16x and then plug in four?

asked by Lindsey on November 9, 2013
28. ## math

The length of a rectangular solid is three times the width. Find the volume and the length of its diagonal if the total surface area is 198 square inch

asked by loemie paderog on May 11, 2015
29. ## A/P Calculus

A cyclist is riding on a path whose elevation is modeled by the function F(X)=0.2x where x and f(x) arte measured in miles. Find the rate of change of elevation when x=5. ? Supposed answer: ?? 1

asked by Lindsey on November 9, 2013
30. ## maths --plse help me..

two solids of right cylendrical shape are 49 cm and 35 cm high and thier base diameters are 16 cm,14 cm respectively.Both are melted and moulded into a single cylinder,56cmhigh find its base diameter

asked by sarika on December 19, 2012
31. ## college algebra

The following rational function describes blood concentration of a certain drug taken via IV over time: f(x)=x+1/x Find: a.the horizontal or oblique asymptote(s), if any, b.the vertical asymptote(s),if any, c. describe their possible meanings.

asked by charisse on July 7, 2013
32. ## Language arts

Ok so I have to do a powerpoint presentation on the Holocaust. My topic is how Anne Frank's life represented the Jewish experience during the Holocaust and I need 3 websites. (If I find some I will update this post) :)

asked by Fairypenguingirl on May 6, 2015
33. ## Probability

A single card is drawn at random from an ordinary deck of cards. Find the probability that is either an ace or a black card. Answer to 3 decimal places.

asked by Mi on April 27, 2016
34. ## math

the mean on the SAT verbal test is 505 with a standard deviation of 111. Assume the variable is normally distributed. Find the probability that the test scores are less than 600

asked by blaire on November 12, 2015
35. ## Math

Find an equation of the parabola with vertex at the origin that passes through the point (-36, 2) and opens to the left. I believe you start with (x-h)^2 = 4p(y-k) and plug in the given point and (0,0), and solve for p. I got y^2 = 144x. Is this correct?

asked by Momo on January 2, 2009
36. ## physics

Two 200kg masses(440 lb) are separated by a distance of of 0.75m. Using Newtons law of gravitational force Find the magnitude of the gravitational exerted by one mass on the other.

asked by sabrina on September 26, 2017
37. ## math

Sonia bought washing machine 10000and paid 2000 and rest in installments of rs 500 at the rare 10℅ find the total amount paid

asked by rk on January 8, 2017
38. ## science

A person claps his hands near a cliff and hears the eco after 2 seconds if the speed of the sound in air is 340m/s find the distance of the cliff from the percent

asked by shruthi on March 22, 2017
39. ## algebra 1

The dimension of a rectangular prism are all positive integers. The volume of the prism is 2002 cubic cm. Find the minimum possible sum in cm of the length width and height.

asked by boogie on September 8, 2011
40. ## Math

An airplane flies 2,750 miles in 5 hours. Find the unit rate in miles per second. Round the answer to the nearest hundredth. I appreciate the help very much. I got .132 but I think I'm wrong.

asked by Trinity on November 11, 2015
41. ## Calculus

A cable that weighs 3 lb/ft. is used to lift a golf cart which weighs 700 lbs up to the deck of a boat which is 300 ft above a loading dock. Find the work done.

asked by Anonymous on May 7, 2015
42. ## algebra

A television screen measures 32 inches diagonally, and its aspect ratio is 4 to 3. Find the width and the height of the screen. (Round your answers to one decimal place.)

asked by Cassie on March 16, 2013
43. ## Trig

Find all angles θ between 0° and 180° satisfying the given equation. (Enter your answers as a comma-separated list. Round your answers to one decimal place.) Sin θ = 1/4

asked by Amanda on November 9, 2015
44. ## Business

Does anyone know where I can find the profits/revenue of each brand under GM. I look at the GM site, but it gave me finanical statement of overall revenue of its company. What I need is the profit for like Buick, Saturn, Pontiac...seperatly.

asked by C on November 26, 2007
45. ## calculus

a right triangle is formed in the first quadrant by the x- and y- axes and a line through the point (1,2). write the length of the hypotenuse as a function of x. find the vertices of the triangle such that its area is a minimum.

asked by ej on March 17, 2013
46. ## statistics

Consider a binomial experiment with 20 trials and probability 0.45 on a single trial. Use the normal distribution to find the probability of exactly 10 successes. Round your answer to the thousandths place.

asked by lee on August 2, 2011
47. ## physics

when 1240 J of heat are added to one mole of an ideal monatomic gas its temperature increases from 273K to 277K. Find the work done by the gas during the process.

asked by tired on November 12, 2013
48. ## U.S History

In the Revolutionary war, who helped America to some early wins, but turned traitor later on in the war? Just a minute! Are you asking us all your questions? What have YOU done to find the answers? We HELP but don't DO the work for you!

asked by COOL on January 22, 2007
49. ## Calculus

A cable that weighs 3 lb/ft. is used to lift a golf cart which weighs 700 lbs up to the deck of a boat which is 300 ft above a loading dock. Find the work done.

asked by Joe on May 6, 2015
50. ## physics

A car travels 15km northwards. 5km eastwards, 10km southwards, and 5km westwards to arrive at point P. Find its total displacement

asked by Benny on November 15, 2015
51. ## Physics

The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.

asked by Jacob on February 5, 2013
52. ## Physics

The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.

asked by Jacob on February 5, 2013
53. ## physics

A car of mass 2000kg is travelling at 84m/h when a force of 500N beings to oppose the motion.Find the required to bring the car to rest.

asked by Anonymous on February 8, 2013
54. ## Physics

Suppose a sled has a mass of 12 kg and a child is exerting a force of magnitude 200 N. Find the angle q at which the normal force N vanishes. What is happening physically when N = 0?

asked by Lauren on March 24, 2014
55. ## dameno

The driver of a 1300-kg car moving at 21 m/s brakes quickly to 13 m/s when he spots a local garage sale. (a) Find the change in the car's kinetic energy.

asked by michelle on April 16, 2012
56. ## Physics

The drawing shows six point charges arranged in a rectangle. The value of q is 8.07 μC, and the distance d is 0.430 m. Find the total electric potential at location P, which is at the center of the rectangle.

asked by Jacob on February 5, 2013
57. ## Math

Water is poured into cuboidal container at the rate of 80liter per min. If the volume of container is 144m^3,find the no. Of hours it takes to fill the reservior.

asked by Simon on February 5, 2013
58. ## Grade 11 math

If the given point is on the terminal arm of an angle A in stadard position. 0 degrees more than or equal too A and less than or equal too 180 degree, find sin A and cos A: a) (6,8) b) (-5,12) Can you tell me how you get it because I do not understand it

asked by Priya on December 18, 2012
59. ## URGENTANIUS!!

If the given point is on the terminal arm of an angle A in stadard position. 0 degrees more than or equal too A and less than or equal too 180 degree, find sin A and cos A: a) (6,8) b) (-5,12) Can you tell me how you get it because I do not understand it

asked by PLEASE:( on December 18, 2012
60. ## physics

A worker stands still on a roof sloped at an angle of 43° above the horizontal. He is prevented from slipping by a static frictional force of 520 N. Find the mass of the worker.

asked by Tyler on January 11, 2017
61. ## math

An investor invested 80 percent of the money at the rate of 10 percent p.a for 2 years. Find the amount of both the investments if the diffrence between the simple interests earned is Rs 3300

asked by pallav on November 21, 2015
62. ## Physics

An object weighing 72 newtons is being accelerated at 3.5 m/s^2 by an unknown force Fp at an angle of 35 degrees from the horizontal. The object is being pushed across a surface with a coefficient of friction 0.2. Find Fp.

asked by Dylan on January 31, 2018
63. ## Math

Using a ruler to draw a square with a perimeter of 48ft, and using the scale 6ft=1/2in (Hint: to find the length of each side, divide 48ft by 4). How should this problem look?

asked by Tim on April 19, 2013
64. ## maths

a field is 25m long and 175m breadth. it has 2 uniform width. if one is parallel to its length and breadth. find the cost of leveling the road at rs3

asked by dhanu shree on May 8, 2015
65. ## math

Find the exact value of the volume of a can of green beans with a diameter 8 centimeters and height of 12 centimeters. Include correct units with your solution. Use "pi" in place of the pi symbol.

asked by kozy on May 8, 2011
66. ## Physical science

A sustained force of 56 moves a model airplane 16 along its runway to provide the required speed for takeoff. Find the kinetic energy at takeoff. What is the formula?

asked by Emmi on February 4, 2013
67. ## Physics

Consider the RL circuit shown in the figure, where R = 5.0 Ω and L = 4.6 H. How much energy is stored in the inductor after the switch has been closed a long time? I would know how to do this if they actually gave me a value for time, but I'm lost now.

asked by Valerie on April 14, 2013
68. ## Basic algebra

jenelle makes \$7.25 an hour at the flower shop write an inequality to find out how many hours you was work to earn at least \$125 how do you want does the word step-by-step

asked by Anonymous on January 17, 2017
69. ## Math

You mix the letters M, A, T, H, E, M, A, T, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the probability P(A). Write the probability as: a. a fraction in simplest form b. a decimal c. a percent Can somebody check my answers, Thanks

asked by Hippo on June 19, 2018
70. ## Algebra

find three consecutive positive even integers such that the product of the second and third integers is twenty more than ten times the first integer. [only an algebraic solution can give full credit]

asked by Alexis on May 23, 2010
71. ## math

At points on the curve y=2sqr(x), line segments of length h=y are drawn perpendicular to the xy-plane. Find the area of the surface formed by these perpendicular from (0.0) to (3.2sqr3).

asked by ibranian on August 14, 2012
72. ## writing skills

find answer 5.which of the following sentences has a compound predicate b.while he swam she collected shells c.she washed the shells and dried them in the sun d.on the way to the bank the interest rates went down

asked by Ray on December 16, 2008
73. ## statistics

assume that a set of test scores is normally distributed with a mean of 100 and a standard devaiton of 20. Use the 68-95-99.7 rule to find the following quantities: a. percentage of scores greater than 120

asked by Christine on May 16, 2010
74. ## Pre-calculus

Sorry i wrote the last question wrong, it was suppose to be written as: information is given about the polynomial f(x) whose coefficients are real numbers. find the remaining zeros of f: degree 4; zeros: i, 3+i

asked by hawra on March 13, 2010
75. ## physics

as the shuttle bus comes to a sudden stop to aboid hitting a dog, it sccelerates uniformly at -4.1 m/s^2 as it slows from 9.0 m/s to 0 m/s. find the time intercal of acceleration for the bus.

asked by Ally on September 3, 2010
76. ## Math

The diagonal of a quadilateral are of the lengths 10cm and 24cm.if the diagonals bisect each other at right angels,find the length of each side of d quadilateral.what special name can you give to this quadiletral?

asked by Simran kaur on September 8, 2012
77. ## Math

Find all of the solutions for this addition problem. Each different letter in the puzzle stands for a different digit. Letters that are the same stand for the same digit. Remember to include all of the criteria from the guidelines. ONE + ONE = TWO

asked by Sarah on May 6, 2016
78. ## math probabilty

Find the (theoretical) probability of the given event, assuming that the coins are distinguishable and fair, and that what is observed are the faces uppermost. Six coins are tossed; the result is at most one head.

asked by Liz on December 5, 2010
79. ## Physics-11th grade

Two students on roller skates stand face-to-face, then push each other away. One student has a mass of 94 kg, the other 65 kg. Find the ratio of the velocities just after the hands lose contact.

asked by Luricela on March 13, 2010
80. ## Calc2

Find the volumes of the solids generated by revovling the region in the first quadrant bounded by the curve x=4y-4y^3 and the y-axis about the given axes: a. the x-axis b. the line y=1 NO idea how to set it up!!! HElP!!

asked by Anonymous on September 9, 2012
81. ## AP Calculus

The base of a solid is bounded by y =|x|+a, 0

asked by Anon on March 16, 2014
82. ## calculus

find the x-coordinate of all points on the curve y=12Xcos(5X)-(30*sqrt3*X^2) + 16, pi/5

asked by jake on October 19, 2014
83. ## math algebra

a motorboat, which can travel at 20 miles per hour in still water, takes 3/5 as long to travel downstream on a river from a to b, as to return. Find the rate of the rivers current.

asked by chelsy on September 22, 2016
84. ## Pre-Calculus

Can you show me how to find the rectangular equation: r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you

asked by Leah on October 3, 2011
85. ## math

A framed picture has a total length and breadth of 20 cm and 10 cm. The frame has width x cm. a) Find the rule for the area (A cm^2) of the picture inside. b) What are the minimum and maximum values of x?

asked by Anonymous on October 22, 2018
86. ## physics

a stone whirled at the end of a rope 30cm long makes 10 comlpete revolution in 30 seconds find the angular velocity in radians per seconds

asked by nicki on October 27, 2013
87. ## Algebra 1

A grocery store reduced the price of a loaf of bread from \$3.80 to \$3.67. Find the percent change (discount rate). Round to the nearest tenth of a percent.

asked by Keonn'a on August 30, 2017
88. ## Business

I have searched and searched but I can't find examples of companies that product's image has been made or broken through Advertisement. Any ideas on Products hurt or helped by advertising?

asked by Alan on March 3, 2008
89. ## trig

Find all angles θ between 0° and 180° satisfying the given equation. (Enter your answers as a comma-separated list. Round your answers to one decimal place.) cos θ = 1/7

asked by stellar on September 30, 2011
90. ## math Did I do it right?

Use front-end estimation to find the value of the expression. I do not understand (without adjustment) 687 - 239 (without adjustment) is this right? 600 + 200= 800 + 126=926

asked by Bart on April 17, 2010
91. ## AP Calc

The base of a solid is bounded by y=|x|+a,

asked by Anon on March 18, 2014
92. ## College Algebra

A grocery store reduced the price of a loaf of bread from \$3.30 to \$3.25. Find the percent change (discount rate). Round to the nearest tenth of a percent.

asked by Anonymous on August 30, 2017
93. ## math

A rectangle is 7 feet longer than it is wide. If its area is 120 square feet, find its length and width. Represent this situation as an equation and solve.

asked by amy on March 17, 2014
94. ## physics

a 1.2 kg book is dropped from a height of 0.8 m onto a spring with force constant k=1960 N/m ang neglible mass. find the maximum distance that the spring will be compressed.

asked by vendy on August 15, 2012
95. ## Math check

Find the value of z that would be used to test the difference between the proportions, given the following. (Use G - H. Give your answer correct to two decimal places.) Sample n x G 386 327 H 414 321 2.71 was my answer. .

asked by Tracy on June 26, 2013
96. ## math

Find the volume and surface area of a right cylinder with radius 7.5 cm and height 16 in. Make sure your final answer is in inches. Round your answer to the nearest hundredth.

asked by Andrea on August 15, 2012
97. ## Chemistry

The heat of vaporization of water at 100C is 40.66 kj/mol find the change in entropy when 5.0 g of water vapor condenses to liquid at 100 C and 1 atm pressure

asked by Kassie on October 5, 2010
98. ## chemistry

Find the mass of sodium hydroxide needed to neutralize enough nitric acid to create 2.0 grams of sodium nitrate? How do I write out equation and solve?

asked by Tosha on November 30, 2010
99. ## math

Determine if the Mean Value Theorem for Integrals applies to the function f of x equals the square root of x on the interval [0, 4]. If so, find the x-coordinates of the point(s) guaranteed to exist by the theorem.

asked by jose on November 16, 2018
100. ## physics

A stone is thrown from ground level at 70m/s. Its speed when it reaches its highest point is 48 m/s. Find the angle, above the horizontal, of the stone’s initial velocity.

asked by Anonymous on September 30, 2011