# 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 139
1. ## History

If humanity has passed the point where the oil supply is declining, which suggests the most practical response? start hoarding oil in underground tanks as a hedge against a future without oil increase funding for government agencies like NASA to find other

asked by Heather on August 5, 2018
2. ## language arts

based on what you know about feeling between the American and Chinese community which of the following plot events most likely occurred A. moon shadow will excel in America school setting B. father will save enough money to bring mother and grandmother

asked by izeck on May 3, 2019
3. ## Calculus

I would like to know if my answers are correct: Disclaimer: We are allowed to keep our answers in formula form 1. Use the washer method to find the volume of the solid that is generated by rotating the plane region bounded by y=x^2 and y = 2-x^2 about the

asked by Daisy on January 16, 2017
4. ## Probability

Caleb builds a particle detector and uses it to measure radiation from a remote star. On any given day, the number of particles, Y, that hit the detector is distributed according to a Poisson distribution with parameter x. The parameter x is unknown and is

asked by A on April 3, 2014
5. ## Calculus

A particle moves in a straight line with velocity t^-2 - 1/9 ft/s. Find the total displacement and total distance traveled over the time interval [1,4]. I found out that the total displacement is .4116 But I cannot find the total distance traveled.

asked by D on November 11, 2010
6. ## Trigonometric functions

1)I have a right triangle. the hypotenuse is 7 the opposite leg is x and an angle is 32. Which equation can be used to find x? A)sin32=x/7 B)cot32=7/x C)tan32=x/7 D)cos32=x/7 I chose D 2)A right triangle 26 is the hypotenuse,opposite leg is 15. Find A to

asked by Jon on February 10, 2008
7. ## physics

on a air track, a 400g glider moving to the right at 2.00m/s collides elastically with a 500g glider moving in the opposite direction at 3.00 m/s. Find the velocity of the first glider after the collision Find the velocity of the second glider after the

asked by Alana on March 19, 2010
8. ## Calculus

Graph the function f(x)= x sin( 1/x) and the equations y=|x| and y=-|x| in the same viewing window on your calculator. Then use the squeeze therom to find the limit of f(x) as it approaches zero. I graphed the function and equations, but I am confused on

asked by Anonymous on August 23, 2015
9. ## Physics

500 J of heat are added to 59 g of water initially at 20°C. (a) How much energy is this in calories? (b) What is the final temperature of the water? I know that to find (a) I have to use the constant 4.19 J and divide it into the 500 J yielding 119.33

asked by Mandi on April 27, 2012
10. ## problems faced in conserving kalimantan rainforest

i need to know what are some problems and successes in the conserving of the kalimantan rainforest. i tried to find websites regarding this topic, but i couldn't find any with information. i would really appreaciate if anyone would be able to give me a few

asked by hayley on December 23, 2007
11. ## statistics

Assume that women's heights are normally distributed with a mean given by u=64.6 in and a standard deviation given by 0=2.8in. a) If 1 woman is randomly selected, find the probability that her height is less than 65in. b) If 49 women are randomly selected,

asked by angela on November 7, 2013
12. ## math

Find: Two numbers whose sum -10 and whose product is 5. ;;; x+y = -10 x= -10-y xy=5 (-10-y)y=5 -10y-y^2 = 5 -y^2-10y-5=0 y= -9.47213595499958 and y= -0.52786404500042 Two numbers whose sum is 1 and whose product is 1. ;;; y= (-1+ sqrt(-3))/-2 y= (-1 -

asked by John on February 1, 2016
13. ## Pre-Calc

Could someone show me how to solve these two problems-I have 10 of each kind to do this weekend and I'm really lost 1. Find product of 8(cos pi/2 + i sin pi/2) * 1/2(cos pi/6 + i sin pi/6) 2. Same problem but find quotient instead of product Please someone

asked by Tammie on October 8, 2011
14. ## Algebra 1- Math

The sum of a smaller number and twice a larger number is 67. If the smaller number is increased by 5, the sum will equal the larger number. Find the numbers. A rectangles width is four more than twice its length. Its perimeter is 62. Find the dimension of

asked by Tony on February 6, 2013
15. ## Accounting

I need help in working this problem...please help... Gaines Company recently initiated a post audit program. To motivate employees to take the program seriously, Gaines established a bonus program.Managers receive a bonus equal to 10 percent of the amount

asked by Anna on June 14, 2012

I need a summary for the following report.Antisemitism (alternatively spelled anti-semitism or anti-Semitism; also rarely known as judeophobia) is prejudice against or hostility toward Jews as a group. The prejudice or hostility is usually characterized by

asked by rina on December 8, 2008
17. ## Calc.

Find the area of the region bounded by the parabola y=x^2, the tangent line to this parabola at (1,1) and the x-axis. I don't really get what this question is asking. It looks like the area of right triangle to me...try the graph, and shade the area under

asked by Hebe on September 26, 2006
18. ## MATH!!

How do I find vertices of a curve and a hyperbola? This may help: http://www.mathwords.com/v/vertices_of_a_hyperbola.htm The vertex is where the tangent to the curve chages direction most rapidly. When the curve is symmetric about vertical or horizontal

asked by BOB? on December 6, 2006
19. ## college

A ceiling fan has 15 -inch blades (so the radius of the circular fan is 15 inches). Suppose the fan turns at a rate of 60 revolutions per minute. (a) Find the angular speed of the fan in radians per minute. (b) Find the linear speed of the tip of a blade

asked by Ange on September 11, 2016
20. ## math

A) Daily sales of petrol from the Nabua service station are normally distributed with Mean 6300L and the standard deviation 400L. (i) If a daily sale is selected at random, find the probability that it is less than 6200L. (ii) If petrol sales are sampled

asked by oliva on September 26, 2016
21. ## physics

A person travels by car from one city to another with different constant speeds between pair of cities. She drives for 38.6 min at 87.2 km/h, 10.3 min at 107.9 km/h, and 45.6 min at 45.7 km/h, and spends 17.9 min eating lunch and buying gas. Find the

asked by juan on October 4, 2009
22. ## Chemistry

I am trying to find the theoretical yield for this lab I am working on. The steps to finidng it would be great. In my lab I took 40mls of H2O + 4g of AgNO3+ 8g of NaCL then I stirred it and filtered in a buchner funnel to be left with 6.7496g of silver

asked by Gweedo8 on June 7, 2009
23. ## horizontal asymptotes

find the HAs of y = (x-9) / sqr(4x^2 + 3x+ 2) What happens to y as x goes to +/- infinity? Specifically, is y approaching some limit from above or below? ?? I see your question was to just find the horizontal asymptotes and not to evaluate the function's

asked by brian on September 27, 2006
24. ## College Physics

n the approximation that the Earth is a sphere of uniform density, it can be shown that the gravitational force it exerts on a mass m inside the Earth at a distance r from the center is mg(r/R), where R is the radius of the Earth. (Note that at the the

asked by Amelie on March 8, 2011
25. ## Physics

In the approximation that the Earth is a sphere of uniform density, it can be shown that the gravitational force it exerts on a mass m inside the Earth at a distance r from the center is mg(r/R), where R is the radius of the Earth. (Note that at the the

asked by Amelie on March 9, 2011
26. ## Physics

A playground is on the flat roof of a city school, hb = 5.70 m above the street below (see figure). The vertical wall of the building is h = 6.90 m high, to form a 1.2-m-high railing around the playground. A ball has fallen to the street below, and a

asked by Shadow on December 14, 2018
27. ## Physics

The planet Tralfamador is a planet of mass M and radius R, and very thin atmosphere (neglect air resistance). A magnetic rail gun has been mounted on the surface of Tralfamador at the North pole. A projectile of mass m is fired from the magnetic rail of

asked by J on May 1, 2013
28. ## Calculus

A covered metal triangular trough is constructed as follows: A square shaped sheet of metal which is 70 centimeters wide and long square is folded along the center. Next, two pieces of metal in the shape of isosceles triangles are are welded to the ends.

asked by Mike R on December 3, 2006
29. ## math ga connection please check my answer

a bag contains 4 white, 3 blues, and 5 reds marbles 1. find the probability of choosing a red marble, then white marbles if the marbles are being replaced. 1/12 5/36 5/6 5/12 **** 2.find the probability of choosing 3 blue marbles in a row if the marbles

asked by jirra on February 14, 2019
30. ## physics

Black hole in X-Ray Binary. An X-ray binary consists of 2 stars with masses (the accreting compact object) and (the donor). The orbits are circular with radii and centered on the center of mass. (a) Find the orbital period of the binary following the

asked by Greco on November 27, 2013
31. ## math

vector a is 8 ft., vector b is 2 ft, and theta is at 41 degrees. find the resultant and the direction. I drew a diagram that shows a connecting with b (head to tail), and they make the 41 degrees. I use law of cosines and got about 6ft, which doesn't sound

asked by Anonymous on November 18, 2009
32. ## algebra

from our text book "Bittenger, M. L. & Beecher, J. A. (2007). Introductory and intermediate algebra (3rd ed.). Boston: Pearson-Addison Wesley" can someone please help me with "Review examples 2, 3, and 4 in section 8.4 of the text. •How does the author

asked by judyanne on January 13, 2011
33. ## math

1. The largest of five consecutive integers is twice the smallest. Find the smallest integer. 2. When the sum of three consecutive integers is divided by 9 the result is 7. Find the three integers. 3. If each of three consecutive integers is divided by 3,

asked by rita on July 14, 2013
34. ## science

When particles are equally distrubited, diffusion will? A- continue B- Go in reverse C- Stop D- become permeable YOu mean equally distributed throughout the medium? The molecules continue to move in all directions (A), but the concentration changes have

asked by chris on May 2, 2007
35. ## Physics (cone in water) buoyancy

h ttps ://s.yimg . com /hd/ answers /i /23e5f0847 ba74d75b223556433442f6f_A.jpeg?a=answers&mr= 0&x=1442542068&s =0f4a516a 3f24689d44f 28091e846bb0d link to see part a answer and an image of what is problem is. A cone of density p_0 (rho) and total height l

asked by Jason on September 17, 2015
36. ## math check

Consider the approximately normal population of heights of male college students with mean ì = 69 inches and standard deviation of ó = 4.6 inches. A random sample of 25 heights is obtained. (b) Find the proportion of male college students whose height is

asked by Tommy7 on June 22, 2013
37. ## English Poetry

Could someone please explain Charlotte Smith poem "on being cautioned against walking on a headland overlooking the sea" ? or can you tell me where I can get explanations to poetry which I find very difficult to understand. thanks I don't know this poem

asked by Elda on February 13, 2007
38. ## Physics

A car with a total mass of 1.48 103 kg has wheels of radius 33.5 cm and moment of inertia 0.810 kg · m2. (a) Find the car's translational kinetic energy when the car is moving at a speed of 30.0 m/s. (b) Find the car's rotational energy when the car is

asked by BrandiB123456789 on December 10, 2013
39. ## Physics

A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is 159.155N with a lever of 20cm in length. a)Find Mechanical Advantage: M.A.=Load/Effort M.A.=8000/159.155 M.A.=50.265 (ans.) b)Find

asked by Henri on April 22, 2009
40. ## math

1. find the least common multiple of each number pair 27,36 2. find the greatest common factor of each number pair 24,28

asked by kaleb on December 17, 2009
41. ## Math

Find the last two digits (units and tens digit) in 1829^1829 and find the units digit in 23^7777.

asked by Jonathan on August 1, 2012
42. ## Maths

M squared is greater than or equal to 36 How to find m I only have one set of answers for m and that is m is greater than or equal to 6 How to find the second set? Working out please

asked by Jiskhaa on July 1, 2012
43. ## Math

Let N= {1,2,3,...}, that is, N is the set of natural numbers. Find a proper subset X of N such that there is not a one-to-one correspondence between X and N. Find a proper subset Y of N such that there is a one-to-one correspondence between Y and N.

asked by Kassie on February 1, 2010
44. ## Statistics

Let N= {1,2,3,...}, that is, N is the set of natural numbers. Find a proper subset X of N such that there is not a one-to-one correspondence between X and N. Find a proper subset Y of N such that there is a one-to-one correspondence between Y and N.

asked by Kassie on January 29, 2010
45. ## Geometry

A rectangle has area and length. Find the width. Area=27t^2-18t Length= 9t How do I find the width?

asked by Court on September 4, 2013
46. ## Calculus

Find the area of the region bounded by the line y=3x and y= x^3 + 2x^2? and find the area of the region bounded by the curve y=e^2x -3e^x + 2 and the x-axis?

asked by Akansha on May 10, 2011
47. ## Algebra 1

How do you find an expression that represents the area of a triangle? How do you find an expression that represents the area of a rectangle? I just need examples..

asked by Gabby on February 2, 2014
48. ## Calculus

If G(x)=(x)/(1+2x), find G'(a) and use it to find an equation of the tangent line to the curve y=(x)/(1+2x) at the point (-1/4,-1/2). My answer: G'(a)=1/(1+2x)^2 Equation of tangent line: y= 4x+0.5

asked by Anonymous on October 18, 2014
49. ## Calculus

Find the x-values of all points where the function below has any relative extrema. Find the values(s)of any relative extrema. G(x)=(x-3)^2/x-4. How do I solve this?

asked by Duane on November 23, 2014
50. ## Math

Let N= {1,2,3,...}, that is, N is the set of natural numbers. Find a proper subset X of N such that there is not a one-to-one correspondence between X and N. Find a proper subset Y of N such that there is a one-to-one correspondence between Y and N.

asked by Kassie on February 1, 2010
51. ## Math-II ( Joint and Combined Variation)

1. R varies jointly as S and t. If R=1/6,S=1/8 and T=3, find R when S=2 and T=11. formula: R=KST 2. U varies jointly as L and H and inversely a S. If U=1.8, L=6.4, H=1.5 and S=-7.2, find U when L=4.3, H=5.1 and S=-2.2. formula: U=KLH/S Please Help!!

asked by jezzaD. on November 30, 2012
52. ## American Government

12. Read this excerpt from the U.S Constitution. To declare War, grant Letters of Marque and Reprisal, and make Rules concerning Captures on Land and Water; To raise and support Armies, but no Appropriation of Money to that Use shall be for a longer Term

asked by Jessica on September 21, 2016
53. ## math

Find the amount that schould be invested now to accumulate following amounts,if te money is compounded as indicated. \$2000 at 9% compund semiannually for 8 years. i don't know how u do this you take 2000(1+.09/12)^96 and you'll get the answer No, I don't

asked by please i need help.Dan on September 19, 2006
54. ## Math

1) A television tower is 160 feet high and an observer is 120 feet from the base of the tower. Find, to the nearest degree, the angle of elevation of the top of the tower from the point of observation. 2) A vertical pole 22 meters tall casts a shadow 16

asked by Lauren on October 13, 2016
55. ## Physics

A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is 159.155N with a lever of 20cm in length. a)Find Mechanical Advantage: M.A.=Load/Effort M.A.=8000/159.155 M.A.=50.265 (ans.) b)Find

asked by Henri on April 23, 2009
56. ## Please check my math

A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is 159.155N with a lever of 20cm in length. a)Find Mechanical Advantage: M.A.=Load/Effort M.A.=8000/159.155 M.A.=50.265 (ans.) b)Find

asked by Henri on April 26, 2009
57. ## Physics (is this right?)

A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is 159.155N with a lever of 20cm in length. a)Find Mechanical Advantage: M.A.=Load/Effort M.A.=8000/159.155 M.A.=50.265 (ans.) b)Find

asked by Henri on April 24, 2009
58. ## Physics Classical Mechanics

A uniform steel beam of mass m1= 300.0 kg is held up by a steel cable that is connected to the beam a distance L= 5.0 m from the wall, at an angle θ= 40.0∘ as shown in the sketch. The beam is bolted to the wall with an unknown force F⃗ exerted by the

asked by A on November 26, 2013
59. ## probability/statistics

You roll two fair dice, a white one and a red one. a. find P(5 or 6 on the white die and odd number on the red die). b. Find P(odd number on the white die nad 5 or 6 on the red die). c. Find P(5 or 6 on the white die nad 5 or 6 on the red die. Please show

asked by Harley on June 27, 2011
60. ## PHYSICS

Two people Simultaneously kick the same soccer ball, each with a force of 10. N. One force is directed 45 degrees N of E, the other 30 degrees S of E. What are the magnitude and direction of the resultant of their forces? I know that for one of them the

asked by Aya on October 14, 2014
61. ## calc

f(x)=x^2/4+x^3 find the power series representation...so far i found ...Óx^2n+2/4^n...is dat correct?...nd then it is asking to find the radius and interval of convergence...i found the radius to be x^2/4...so i set the radius between -1 and 1...nd then

asked by amy on May 5, 2007
62. ## Math

For some constants A and B, the rate of production, R(t), of oil in a new oil well is modelled R(t)=A+Be^(-t)sin(2πt) where t is the time in years, A is the equilibrium rate, and B is the "variability" coefficient. Find the total amount of oil produces in

asked by Patricia on February 20, 2013
63. ## PRE CALC

1. solve tan36 degrees- tan2degrees/ 1+tan36 degrees tan 2 degrees as a single function. 2. Find the exact value of sin (α-β) if sina=4/5 and cos β= -9/41 terminal side of α lies in I and terminal side of β lies in III 3. If cosx=1/12 and sinx > 0,

asked by pleasehelp! on March 4, 2011
64. ## physics

At time t=0 a projectile passes through the point (0,0,192) with a velocity v=10i-2j+16k. Because of spin and gravity, the projectile experiences an acceleration given by a=2i-32k. a. Find the velocity v(t) and position vector R(t) at time t>0. b. At what

asked by nicole on February 23, 2011
65. ## Physics

A mouse travels along a straight line; its distance from the origin at any time is given by the equation. x= (8.1 cm * s^-1)t-(2.7cm * s^-2)t^2 A) Find the average velocity of the mouse in the interval from t= 0 to t= 1.0 . value=?; unit= ? B)Find the

asked by ben on January 14, 2012
66. ## algebra

ok i don't get this one in 1920 the record for a certain race was 45.9 sec in 1980 it was 44.1 sec let r (T) = the record in the race and t= the number of years since 1920 (a) find a linear fuction that fits the data (b) use the funcation in (a) to perdict

asked by need help please on December 20, 2009
67. ## PHYSICS HELP

A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 31 m high. When it hits the ground at the base of the cliff, the rock has a speed of 29 m/s . a.Assuming that air resistance can be ignored, find the initial speed of the rock . v0=

asked by ANONYMOS on April 9, 2017
68. ## Physics

A mouse travels along a straight line; its distance from the origin at any time is given by the equation. x= (8.1 cm * s^-1)t-(2.7cm * s^-2)t^2 A) Find the average velocity of the mouse in the interval from = 0 to = 1.0 . value=?; unit= ? B)Find the

asked by ben on January 14, 2012
69. ## MATH!!!

A function machince accepts inputs as ordered pairs. The componeys of the ordered pairs are natural numbers and the first componet is the length of the rectangle and the second componet is the width. the given machince comptes the perimeter ( the distance

asked by EMMA on November 14, 2014
70. ## math

Suppose you need \$2.40 in postage to mail a package to a friend. You have 9 stamps, some \$0.20 and some \$0.34. How many of each do you need to mail the package? So to solve this problem, I came up with two inequalities: 1. a + b is less than or equal to 9

asked by Angie on April 10, 2009
71. ## Maths Vector Helpppp

The points A and B have position vectors, relative to the origin O, given by −−→OA = i+2j+3k and −−→OB = 2i+j+3k. The line l has vector equation r = (1−2t)i+ (5+t)j+ (2−t)k. (i) Show that l does not intersect the line passing through A and

asked by Ariana on January 19, 2015
72. ## Calculus II

For some constants A and B, the rate of production, R(t), of oil in a new oil well is modelled R(t)=A+Be^(-t)sin(2πt) where t is the time in years, A is the equilibrium rate, and B is the "variability" coefficient. Find the total amount of oil produces in

asked by Patricia on February 19, 2013
73. ## Fins nance business

1. Find the future value of current \$1,000 5 year from now when annual interest rate 8% is compounded annually 2. Find the present value of a future value (1,000) four years from now when annual interest rate 8% is compounded quarterly. 3.Find the present

asked by J on November 20, 2014
74. ## math

A tire company determines that to manufacture a certain type of tire, it costs \$9000 to set up the production process. Each tire that is produced costs \$21 in material and labor. The company sells this tire to wholesale distributors for \$49 each. (a) Find

asked by Marie P. on August 4, 2014
75. ## Physics

A camera falls from a blimp that is 399 m above the ground and rising at a speed of 9.75 m/s. Find the maximum height reached by the camera with respect to the ground. The acceleration of gravity is 9.8 m/s^2.Answer in units of m. b)Find the speed at which

asked by Steven on October 10, 2014
76. ## Physics

Block A in the figure weighs 48.0N . The coefficient of static friction between the block and the surface on which it rests is 0.250. The weight w is 6.00N and the system remains at rest. -Find the friction force exerted on block A. -Find the maximum

asked by Julia on March 8, 2014
77. ## science

prepare an inclined plane by using a plane card board sheet, inclined at different angels, using a toy car find the distance covered for different angels, plot graph between the angle of inclination and distance travelled. find the angle for maximum and

asked by piyush on June 24, 2014
78. ## Calculus

BoxedNGone truck rentals calculates that its price function is p(x)=160-2x,where p is the price (in dollars) at which exactly x trucks will be rented per day. Find the number of trucks that BoxedNGone should rent and the price it should charge to maximize

asked by Jessica on November 9, 2014
79. ## physics

A 0.26 kg rock is thrown vertically upward from the top of a cliff that is 32 m high. When it hits the ground at the base of the cliff the rock has a speed of 28 m/s. (a) Assuming that air resistance can be ignored, find the initial speed of the rock. (b)

asked by jorge on November 29, 2012
80. ## Calc problem

Consider the function y=(kx)/(x-k) a. Show that y is symmetric with respect to the line y=x. b. Write the equations of the horizontal and vertical asymptotes of y. c. Find the point(s) of intersection of y with the line x-y=-2k, and find the slope of the

asked by Holly on February 23, 2008
81. ## Physics

A runner completes an 850m race with two laps of the 425m track in the x-y plane centered at the origin in 1 mins, 50.6s . A runner rounds the track counterclockwise starting at the point (67.6 , 0). Find the runner's average velocity for the race. Find

asked by Tig on February 8, 2012
82. ## Criminal Justice

I need to answer these two questions but I cannot find any information in my books or on the web. Here are the questions if someone can help me find a website to read that might answer my questions. Advocates who emphasize individual responsibility and

asked by Criminal Major on May 7, 2009
83. ## statistics

The average age of statistics students nationwide is 22. The standard deviation is 2.5 years. Assume the age is a normally distributed variable. Find the probability that one student selected at random is older than 23. Find the probability that the mean

asked by DezShonna K on June 11, 2010
84. ## physics..help PLEASE!

A 0.26 kg rock is thrown vertically upward from the top of a cliff that is 35 m high. When it hits the ground at the base of the cliff the rock has a speed of 28 m/s. (a) Assuming that air resistance can be ignored, find the initial speed of the rock. (b)

asked by kelsey on October 8, 2008
85. ## Physics

An object of mass m = 2.9 g and charge Q = +42 µC is attached to a string and placed in a uniform electric field that is inclined at an angle of 30.0° with the horizontal. The object is in static equilibrium when the string is horizontal. a) Find the

asked by Alexa on January 21, 2016
86. ## physics

A theoretical gasoline engine runs with 76 percent efficiency. It is calculated that it expels 3.25*10^4 J of heat. a. Find the heat absorbed in one cycle. b. Find the work output in one cycle. All this comes from the definition of efficiency.

asked by anonymous on March 19, 2007
87. ## Calculus

How do you take the limit of a composite piecewise function f(f(x))? Only the graph is given. lim f(f(x)) x->2 I figured the way to do it was to find the lim f(x) = C then find lim f(x). x->2 x-> C The simple questions on Khan academy's "Limits of

asked by Robert on May 22, 2018
88. ## calculus

a trapezoid is a quadrilateral with (only) two sides (called bases) that are parallel. an isosceles trapezoid has two equal legs. the area of a trapezoid is A=(1/2)*h*(b1+b2) where b1 and b2 are the two parallel bases and h is the altitude. your problem: a

asked by robert on November 17, 2011
89. ## math (urgent)

A basketball or some stadium holds 20000 people. On average 140000 come to see the match. Average ticket price is \$75. market research shows that if ticket price is decreased by \$5 800 more people buy tickets. Find the price that will maximize revenue and

asked by Alisha on April 1, 2015
90. ## Physics

A spring scale being used to measure the weight of an object reads 17.1 N when it is used on earth. The spring stretches 4.40 cm under the load. The same object is weighed on the moon, where gravitational acceleration is 1/6g Find the reading of the spring

asked by Mike on January 24, 2013
91. ## Advanced Algebra

The volume V (r) of a sphere is a function of its radius r. Suppose a spherical snowball with a radius 2 f t started to melt so that the radius is changing at a constant rate of 4.5 inches per minute. If f(t) feet is the radius of the snowball after t

asked by Renzo on November 15, 2014
92. ## Physics

A transverse wave is formed on a long skipping rope. The equation of the transverse wave is y=5.50 sin(0.031π x+5.52π t) where x and y are in centimeters, t is in seconds, and Π is pi (3.14..). Find the amplitude of the wave? what is the wavelength of

asked by Nicole on March 19, 2017
93. ## algebra

a ball falls from a height of 2.4m and bounces from the same spot, each bounces rise to 3/5 the height of the preceeding bounce. a. write the series of the movement from start to the eighth bounce. b.Find th etotal distance moved by the ball as indicated

asked by jodi on April 16, 2012
94. ## Physics

A 1340-kg car traveling east at 13.6 m/s (20 mi/h) has a head-on collision with a 1930-kg car traveling west at 20.5 m/s (30 mi/h). If the collision time is 0.10 s, what is the force needed to restrain a 68-kg person in the smaller car? In the larger car?

asked by JJ on November 14, 2016
95. ## geometry

m

asked by lilman on May 14, 2012
96. ## english

i have to create a visual display, a creative one, to illustrate what diction is using the definition, one or more examples and an attractive resource for teaching the function of the term What definition of diction are you using? writers or speakers word

asked by steph on August 19, 2006
97. ## statistics

7. In a certain survey, 30% of those questioned are given an incentive to complete the survey. Of those who receive incentives, 80% completed the survey. Of those who do not receive incentives, 25% completed the survey. a. Find the probability of getting

asked by stats-help on January 23, 2008
98. ## calc.

I'm having a lot of trouble with this problem: Sketch the graph and show all local extrema and inflections. f(x)= (x^(1/3)) ((x^2)-175) I graphed the function on my graphing calculator and found the shape. I also found the first derivative: (7/3)(x^(4/3))

asked by Joshua on April 20, 2009
99. ## Pre-Calculus

74. Road Grade When driving down a mountain road, you notice warning signs indicating that it is a "12% grade." This means that the slope of the road is -12/100. Approximate the amount of horizontal change in your position if you note from elevation

asked by Sam on February 3, 2011
100. ## physics

The figure shows a uniform beam of mass m pivoted at its lower end, with a horizontal spring attached between its top end and a vertical wall. The beam makes an angle è with the horizontal. (a) Find expression for the distance d the spring is stretched

asked by annetee on April 30, 2013