# 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 472
1. ## Math

Find an equation in standard form for the ellipse that satisfies the given condition with major axis endpoints (1,-4) and (1,8), minor axis length 8.

asked by Akau on May 11, 2016
2. ## algerbra

the length of a rectangle is one foot more than twice its width. If all sides were increased by 7feet the perimeter of the new triangle would be 122 ft. find the new dimensions of the new rectangle

asked by jessica on February 23, 2012
3. ## Calculus 1

Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) f(x) = x^(5)e^(-6x)

asked by TayB on October 21, 2015
4. ## math

Find the break-even point for a firm manufacturing bicycles whose cost function is given as C (x) = 150x + 20,000 and whose revenue function is given as R(x) = 270x.

asked by cosette on October 21, 2018
5. ## Health

This is not homework but couldn't find this I wan tot know if you can take to much potassium gluconate? I once had to wait on one of my surgery's because my potassium was to low and know the risk of that but can you take to much and what will happen if you

asked by lois on October 11, 2008
6. ## Mathematics

The angle of elevation of the top of a tower from a point 42m away from it base on level ground is 36 degrees find the height of the tower

asked by Jayeola alimat on September 20, 2016
7. ## physics

A projectile is launched with a speed of 41 m/s at an angle of 60° above the horizontal. Use conservation of energy to find the maximum height reached by the projectile during its flight. m

asked by k on October 9, 2008
8. ## Calculus

how do you find the limit at infinity of: lim(x->infinity) (x+2)/sqrt(64 x^2+1) Do you first change the square root on denominator to (64x^2+1)^-1/2 and then divide everything by zero. Please help me with this, I'm confused.

asked by Sarah on March 13, 2010
9. ## Statistics

A card is selected at random from a standard deck of cards. Find the probability of randomly selecting a king given that an ace has already been selected.

asked by Monica on December 9, 2014
10. ## Math problem still stuck

Let f(x) = 1/(x+7)+15/(x-8). Find all a for which f(a)=f(a+15). I understand this so far f(a)=f(a+15) 1/(7+a) + 15/(a-8) = 1/(a+22) + 15/(a+7) I have multiplied the LCD of (a-8)(a+7)(a+22)by both sides with no luck. This is a multiple choice question a.)

asked by Shawn on October 12, 2008
11. ## trignometry

Some equations cannot be solved by symbolic manipulations. Use a graph to find all solutions of the equation sin 8x = 2x - 1. Show the details in a sketch of the graph.

asked by jojo on October 24, 2015
12. ## geometry

1. The sides of a triangle, in centimetres, are given by 3n-4, 3n+9, 4n+5. Draw a diagram to show the information. If the perimeter of the triangle is 114 cm, find the length of each side.

asked by majid on December 11, 2014
13. ## trig

1. The sides of a triangle, in centimetres, are given by 3n-4, 3n+9, 4n+5. Draw a diagram to show the information. If the perimeter of the triangle is 114 cm, find the length of each side.

asked by majid on December 11, 2014
14. ## physics

find the expression for the acceleration of a cylinder rolling down without slipping on a rough inclined plane also obtained an expression for coefficient of friction

asked by shashi ranjan on March 19, 2013
15. ## maths help calculus

the area of a circle increasing at the rate of 3cm/sec.find the rate of change of the circumference when the radius is 2cm help plz

asked by rajah on January 19, 2017
16. ## math

When a single card is drawn from an ordinary 52-card deck, find the odds in favor of getting a red 10 or a black 6. I think the answer is 1:12. Is that correct?

asked by KiKi on April 25, 2010
17. ## Geometry

A rectangular prism with 2 little square bases of a radius of 1m. It's height or rectangular length is 5m. Please help me find the surface area. The answer should be less than 50m².

asked by Peter on June 1, 2011
18. ## History

Can someone please help me with this history question? I looked for the answer but couldn't find it in my lessons or through the internet... Question~ What is a modern day example of judicial review

asked by Abby on October 20, 2015
19. ## physics

an airplance traveling at 450 km/h needs to reverse its course. the pilot decides to bank the wings at 12 degrees. find the time needed to reverse the course

asked by jeff on October 19, 2014
20. ## Calculus 1

Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) h(t) = t^(3/4) − 3t^(1/4)

asked by TayB on October 21, 2015
21. ## physics

The mass of the sled and its two riders in Figure 5.5 is 243 kg. Find the magnitude of the centripetal force that acts on the sled during the turn with a radius of (a) 33.0 m and (b) 24.0 m.

asked by SS on October 20, 2014
22. ## math

you a framing a picture that is 5 in by 7in. with a 1 inch wide frame. find the perimeter of the outside edge of the frame. explain, pleaswe i know the anser is 32 but why?

asked by math on September 6, 2011
23. ## Math 117

Why is it important to find nonperfect roots in radical form to simplify the process of performing basic operations with radical expression?

asked by stephanie on March 27, 2014
24. ## geometry

a piece of ribbon is x inches long. find the total length of 7 equal pieces of ribbon. express the answer in terms of x.

asked by Anonymous on September 7, 2011
25. ## Physical Science

waves moving on a lake have a speed of 2.0 m/s and a distant of 1.5m between adjacent crest. what is the frequency of the waves? find the period of the wave motion?

asked by Joe on September 13, 2012
26. ## math

A picture measures 12cm by 9cm is surrounded by s frame whose area is 100 square centimetres, find the width of the frame.

asked by John on May 22, 2019
27. ## Trigonometry

Verify the identity. sin2x/cosx + sinx = 2sinx Solve for all values of x: 6cos2x-7cosx-3=0 If f(x)=cos1/2x-sin2x find the value of f(pi)

asked by . on April 20, 2010
28. ## Stats,

The following are the P/E ratios (price of stock divided by projected earnings per share) for 16 banks. 19,15,43,22,18,25,29,18,19,34,22,15,24,14 Find 25th and 90th percentiles for these ratios

asked by Kristine on September 29, 2016
29. ## Allide school

A gymnasium is 50m long and 30m broad. A running track 2. 5m wide runs all around it on the inside. Find the area of the track

asked by Maneeha on November 9, 2015
30. ## Math: Vectors

I forgot how to do the following, so I'm not sure if they're correct or not: Find the work done by a force "F" that causes a displacement "d". i and j = unit vectors a) F = 4i + j d = 3i + 10j W = (4i + j)(3i + 10j) W = 12|i|^2 + 40ij + 3ij + 10|j|^2 W =

asked by Anonymous on February 24, 2008
31. ## algebra

Find the lateral surface of a cuboid whose length, breadth and height are in a ratio of 4:3;2 and volume of the cuboid is 5184 cubic metre.

asked by sushant on January 10, 2017
32. ## Maths

The angle of elevation of the top of a radio mast from a point53m from it's base on level ground is 63degrees, find the height of the mast?

asked by Nyoreme on May 1, 2019
33. ## Trigo

A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling

asked by Nanny on May 1, 2016
34. ## math

A boat in calm seas travels 13km east and 35 km north. Find the distance and direction of the trip, relative to to the north.

asked by nicole on April 5, 2012
35. ## answer a question

Why has no one answered my two math questions i put on here. Please look again UNDER your postings because I see answers there! Ashley, Be sure to look above this post. I reposted them so the math teachers might find them more easily. =)

asked by Ashley on January 19, 2007
36. ## math

suppose you are comparing 2 numbers greater than 1000. you want to find the smaller of the numbers. how many pairs of digits might you have to compare before you have your answer? explain

asked by mythreyee on August 30, 2012
37. ## Maths

Find the smallest whole number n for which 126n is a multiple of 3234. My working: 126=2x3x3x7 3234=2x3x7x7x11 lcm=2x3x3x7x7x11

asked by Izzah on December 5, 2014
38. ## math

An account earns annual simple interest. Find the balance of the account. \$250 at 4% for 1 year = \$260 \$2000 at 9% for 6 months = \$?

asked by Caroline on May 25, 2016
39. ## Calculus

Find the dimensions of the rectangle of largest area that has its base on the x-axis and its other two vertices above the x-axis and lying on the parabola y=4−x^2. Width = Height =

asked by Nicola on November 27, 2011
40. ## calculus

Find the average rate of change of the function over the given interval. You must reduce and simplify your answer, if possible. a. f(x)=cot x, [pi/6, pi/2] b. f(theta)= -2 + cos (theta), [-pi, 0]

asked by Taylor on June 5, 2011
41. ## Math

Kendra has 5.5 pounds of popcorn and wants to package it equally in 50 bags. How can she use place-value reasoning to find the amount of popcorn to put in each bag?

asked by Kendra on September 14, 2016
42. ## Math

Find the length of the right triangle's other leg. Round to the nearest tenth. SHOW YOUR WORK. LEG=9ft HYPOTENUSE=12ft

asked by dani on January 22, 2018
43. ## Geometry

A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling.

asked by Jas on April 30, 2016
44. ## Pre-Calc

Find the probability for the experiment of selecting one card from a standard deck of 52 playing cards such that the card is a 10 or higher (aces are low). Is this 4/13?

asked by Anonymous on May 25, 2016
45. ## gr. 10 physics

I must find the speed of an object, the infermation that is given to me is:n height: 0.10 kinetic energy: 0.50 time travel o.72 (m/s squared). i belive that speed = 0.3... is this correct?

asked by Emily on February 9, 2010
46. ## Math

Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm. Include correct units with each part of your solution.

asked by Geena on May 11, 2011
47. ## physics

A full can of soda has a mass of 0.421 kg. It contains 3.57 x 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.

48. ## Physics

A piano string having a mass per unit length equal to 5.00 „e 10¡V3 kg/m is under a tension of 1 350 N. Find the speed with which a wave travels on this string.

asked by Cf on December 7, 2010
49. ## physics

Two blocks with masses m1 = 7 kg and m2 = 4 kg are connected with a rope and move on two surfaces of a right-angled wedge as shown in Fig. 6.6 Given that θ1 = 37 °, θ= 53°, μ= 0.2, and μ= 0.1, find the acceleration of the blocks

asked by Ahmad on April 1, 2012
50. ## Social Studies

I am trying to find information on comparing the Western states with the Midwestern states in the following areas: Land/Climate, Resources/Economy, and People.

asked by Austin on March 6, 2008
51. ## Math

I really need help with a quadratic question. So the problem is kx^2+[k+2]x-3=0 has roots which are real and positive. Find the possible values that k may have. The answer is -8+ √60

asked by Barbra on September 17, 2016
52. ## Physics

(a) Find the capacitance of a parallel-plate capacitor made of two 5 cm×5 cm square plates separated by 1 mm. (b) If 50 V is applied to this capacitor, how much energy is stored?

asked by Amanda on September 4, 2012
53. ## physic

A 660 N cat burglar is supported by cables in the figure below. Assume the angle è of the inclined cable is 36.0°. Find vertical cable? Thank you so much for your help.

asked by Chan on October 12, 2009
54. ## physics

a man walks 12 m due noth , 4 m due east and finally climbs up a vertical pole up to a height of 3 m . find his displacement.

asked by rucha on July 6, 2010
55. ## Physics

A block is at rest on an inclined plane. The mass is 44 kg. µs = 0.54 Find the critical angle, θc, at which the block just begins to slide. Answer in units of ◦

asked by Maya on December 7, 2014
56. ## geometry 2

circle K has an area of 64 pi units ^2. Find the exact length of the arc intercepted by a 210 degree central angle in circle K.

asked by Kate Jenson on April 10, 2012
57. ## geometry

if the radii of two circular ends of conical bucket which is 30cm high are 14 and 7 cm find the toal surface area and capacity of bucket

asked by ssk on January 15, 2017
58. ## Algebra

The perimeter of the rectangle is 112 units. Find the length of side PQ (bottom). . Write your answer without variables. SR (top): 4z-2 SP (side):3z+2

asked by Anonymous on November 3, 2015
59. ## Science (Genetics)

In children, whose eye color (mom or dad) do they inherit more often? I know it all depends on which color is dominant, but in all [as in statistics in the US], is there any place where I can find this information? Thanks!

asked by Mariz on October 14, 2008
60. ## Physics

A stream of water exits from the bottom of a can and lands in a second can. The top of the second can is 0.50m below the hole in the first can, which has water in it to a depth of 0.150m. Find the distance D.

asked by Tammy on May 5, 2019
61. ## Math

To the nerest degree,find the angle of elevation of the sun when a 9 metres vertical FlagPool casts a Shadnw 3 metres Long,

asked by Kalu on March 19, 2017
62. ## Math

the measure of pair of adjacent sides of a parallelogram are 15cm and 20cm.if the length of one diagonals is 25cm find the area of the parallelogram.

asked by Biswa on January 22, 2017
63. ## Math (repost)

In standard form, find the equation of the circle that passes through the origin and x-intercept 1 and y-intercept 2. (I fixed a correction a little too late after a response.) Help please? thanks!

asked by Ben on February 7, 2010
64. ## college math

Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm. Include correct units with each part of your solution.

asked by kozy on May 11, 2011
65. ## math help, test tomorrow!!!

For 0

asked by hi on November 21, 2006
66. ## trignometry

At 350 feet from the base of a cliff, a surveyor sights the top of it at an angle of 300 301. Find the cliff from horizontal.

asked by jessie on October 13, 2015
67. ## Math

A lorry travels at 50 km/h. Given that the diameter of its wheel is 88 cm,find how many revolutions per minute the wheel is turning. GIve your answer to the nearest whole number.

asked by Bushra on November 7, 2015
68. ## physics

a stone is projected upward with a speed of 80.0ft/s from a 224 ft tower. find the maximum height and the speed at which it strikes the ground.

asked by roger on June 21, 2014
69. ## Math

(a) Find the present value of \$ 4600 per year flowing uniformly over a 10 -year period if it earns 5.3 % interest compounded continuously. (b) What is its final value?

asked by Irina on May 10, 2015
70. ## math

there is a women standing on a building. she sees a car. angle of depresion changes from 28 to 43 . distance traveled is 230 . find the hight of the building

asked by johny on December 16, 2014
71. ## Statistics

your medical terminology instructor listed the following grades for the class out of a 75 point test: 33,34,43,45,45,54,55,59,60,62,64,66,67,68,67,68,68,69,70,70 a.find the 90th percentile b. your score was 59, what is your percentile?

asked by Ben on November 3, 2013
72. ## Algebra

During a clothing sale, 1/4 of the store merchandise is reduced in price. Find the probablility that 3 of 5 randomly-selectled shirts have reduced prices.

asked by Jon on March 6, 2008
73. ## Math

You purchased a pair of shoes on sale for \$46.75. The original price was marked as \$55.00. Find what by percentage the shoes were reduced (ignoring tax).

asked by Ghost on October 1, 2017
74. ## physics

find the distance light travels from its starting point, S, to its final point, F, by traveling two different paths: Note: you'll need to know Pythagorean Theorem.

asked by na on November 11, 2009
75. ## chem

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4Al(s)+3O2 (g)-->2Al2O3 (s) 4 mol Al 2.6 mol O2

asked by natash on October 1, 2008
76. ## Math

For a 5 man baseball team how would I find the average? Would it be total hits divided by total at bats or add up 5 averages and divide by 5?

asked by Sami on April 10, 2014
77. ## Statistics

your medical terminology instructor listed the following grades for the class out of a 75 point test: 33,34,43,45,45,54,55,59,60,62,64,66,67,68,67,68,68,69,70,70 a.find the 90th percentile b. your score was 59, what is your percentile?

asked by Ben on November 3, 2013
78. ## math college

Find the perimeter and area of a right triangle if the shortest side is 16 in. and the longest side is 34 in. Include correct units with each part of your solution.

asked by calvin on August 9, 2011
79. ## Calculus

Find the volume of the solid obtained by rotating the region bounded by the curves: 2x = -y^2 y^2 = -x + 2 y = 0 for y >= 0 about the x-axis. Not sure how to do this one, could anybody help me identify what this looks like and how to identify the

asked by Joshua on November 23, 2014
80. ## UAB

a store manager obtained a loan of 25,000, at 6 3/8 % interest, for 15 months to purchase supplies. Find the amount of the simple interest.

asked by ashton on April 3, 2016
81. ## algebra

a particular hybrid car travels approximately 288mi on 6 gal of gas. find the amount of gas required for a 912-mi trip

asked by karon on December 13, 2011
82. ## Algebra

Solve Find (f o g)(-6) when f(x)=4x+4 and g(x)=6x^2-3x-6. I originally came up with 918, but the answer is 916. Obviously I was close, but could someone tell how to get 916. I am studying for a test and am re-working my homework problems. Thanks.

asked by Anonymous on March 29, 2008
83. ## Calculus

Consider the function f (x) = 2x^3 - 3x^2 - 72x + 7 Find and classify the critical points. Identify the intervals of increase and decrease, and state the intervals of concavity.

asked by Liz on May 22, 2014
84. ## trig

The angle relative to the horizontal from the top of a tree to a point 12 feet from its base(on flat ground) is 30*. Find the height of the tree.

asked by rita on September 30, 2015
85. ## Math

Find the savings plan balance after 2 years with an APR of 9​% and monthly payments of ​\$250 Can someone help me? Idk if im right but do I multiply \$250 by 9% an then divide?

asked by chris on August 11, 2017
86. ## Calculus

The graph of the equation x2 − xy + y2 = 9 is an ellipse. Find the lines tangent to this curve at the two points where it intersects the x-axis. Show that these lines are parallel.

asked by Al on October 26, 2014
87. ## maths

Solution of question about ladder make an angle of 60 degree with the horizontal at foot of ladder is 2.5 metre away from the wall find the length

asked by maths NCERT exampler solution on March 5, 2017
88. ## geometry

Jake rolls two standard number cubes. Find the probability that the sum of the roll is 10, given that both cubes rolled odd numbers.

asked by Plz help on May 23, 2014
89. ## statistics

Let U, V be random numbers chosen independently from the interval [0; 1] with uniform distribution. Find the cumulative distribution and density of each of the variables (a) Y = U + V. (b) Y = Absolute value of (U - V).

asked by oriana on March 23, 2012
90. ## chemistry

which is more soluble in kerosene, ethanol or 1-hexanol and why? kerosene: [CH3(CH2)nCH3 where n = 10-13]. I have no idea. I looked it up online, but i couldn't find anything.

asked by jen on January 19, 2009

The bases of a right prism are parallelograms with sides a=10 cm, b=6 cm, and altitude of the parallelogram towards side a, ha = 3 cm. Find the surface area of the parallelepiped, if the height of the prism is h=12 cm.

asked by Katniss Everdeen on April 16, 2017
92. ## math

A river has a current of 4 mph. Find the speed of Simon’s boat in still water if it goes 40 miles downstream in the same time as 24 miles upstream.

asked by john on July 23, 2012
93. ## economics

use the expenditure equation for gdp=c+i+g+xn find the values for each sector for the years 1929 and 1933. determine the precentage change for the two years.

asked by patricia on April 19, 2011
94. ## Science

A mark on the rim of a rotating circular wheel of 0.50m radius is moving with a speed of 10s^-1a.find the angular speed

asked by Sonal on August 17, 2018
95. ## physics

Find (a) the potential and (b) the field strength at points A and B due to two small spheres X and Y 1.0m apart in air and carrying charges of +2.0x10^-8C and -2.0x10^-8C respectively.

asked by Edwin on March 24, 2010
96. ## physics

a mass (m=2.00kg) is traveling at an initial speed of 18.0m/s. find the force needed to bring the mass to rest in a distance of 45.0m----what equation to use??

asked by lauren on June 14, 2011
97. ## Chemical Engg

Hello, where can i find the process flow diagram of a dyehouse? I searched on google, but in vain I really need a picture showing all the steps in the dyehouse plz!!

asked by Alex on October 8, 2014
98. ## Tyler

Find the solution {in the interval of [0,2pi)} of: tan2x - 2cosx = 0 ( I know the answer is pi/6, but I guessed and checked. Please show the steps I need to go through in order to get the answer )

asked by Trigonometry on November 29, 2008
99. ## Math

Fiona earns \$15 for each lawn she mows. What is the inequality to find out how many lawns she must mow to earn at least \$135. My answer 15m

asked by CC on January 14, 2015
100. ## Trigonometry

Find all solutions of the equation Tan(theta - 30 degrees)= -5 in interval 0 - 360 Book gives answers for theta of 131.3 and 311.3

asked by Wayne on December 19, 2016