# 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 463
1. ## Math ~ Check Answers ~

Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the radius is 23 yd My Answer: ???? •Circumference = (2) (3.14) (23) •3.14 x 2 x 23 = 144.44

asked by Mindy on March 6, 2014
2. ## anthropology

Why do kinship systems work? Where, if any, would you find a working kinship system within the United States? Give examples for both questions.

asked by jimmy on January 26, 2015
3. ## Math

Ramesh gave 1/2 his money to his wife and 1/3 to his son and remaining rupees 50000 to his daughter. Find out his total money?

asked by Rosy on April 18, 2017
4. ## American Constitutional Law

In view of canons of construction and interpretation, name and explain three necessary elements that you must consider before drafting language to amend the U.S. Constitution. Where do I find the three necessary elements?

asked by Sylvia on April 9, 2019
5. ## maths

A well of diameter 7cm is dug 22.5m deep.The earth taken out it is spread evently all around it to a width of 10.5 to from an embankment .find the height of the embankment.

asked by simranpreet on December 3, 2012
6. ## physics

A body of mass m is attracted to a 11 kg mass 31.2cm away with a force magnitude of 6.42 x 10^-8 Find m? I am having trouble with the algebra getting m by it self just show me the steps if you can

asked by john on November 15, 2012
7. ## Physics

A ball is dropped from the top of the 9th storey building reaches the ground in 3 sec .find the height of the building

asked by Arun on May 3, 2017
8. ## Calculus

Find the area of the region enclosed between y=4sin(x) and y=2cos(x) from x=0 to x=0.7pi. Hint: Notice that this region consists of two parts.

asked by Jamie on December 2, 2016
9. ## Math

The function defined below satisfies Rolle's Theorem on the given interval. Find the value of c in the interval (0,1) where f'(c)=0. f(x) = x^3 - 2x^2 + x, [0, 1] Round your answer to two decimal places.

asked by Bri on November 1, 2016
10. ## Simple interest

Find the simple interest earned to the nearest cent for each principal interest rate, and time \$500,4%, 2 years

asked by Remi on March 24, 2015
11. ## physics

A dog travels at a rate of 4m/s[S] in a train car that is moving 12m/s[N]. Find the dog's velocity relative to the ground.

asked by Diya on September 24, 2014
12. ## Physics

Only two forces act on an object (mass = 4.20 kg), as in the drawing. (F = 70.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object.

asked by Michelle on June 16, 2010
13. ## Algebra 2

I can't figure out how to find the n on top of the sigma. I have the rest of the equation but I just don't know what to do. I'll use "E" for sigma. nEi=1 (-5+7i)=486 Can someone please show me how to do this problem?

asked by Jane on February 19, 2014
14. ## Algebra2

Find the values of the inverse function in radians. tan^-1(0.09) answer choices: a.-0.09+2pi n b. no such angle exists c.-1.48+ pi n d. -0.09+ pi n My answer is D

asked by Steve on May 2, 2017
15. ## Math

Could someone answer this question so I understand it. Thanks Given the supply function: p = S(x) = 5(e^0.02x-1) Find the average price (in dollars) over the interval [31,36]. Only the 0.02 is ^ in the e in the question.

asked by Jules on April 23, 2011
16. ## SOCIAL STUDIES

what is the official bird, flower, and tree for france. I've tried finding sites but its no help. Please help me find sites or give me some helpful

asked by Rakhi on June 1, 2010
17. ## science

On heating 10grams copper sulphate crystals (CuSO4.5H2O),6.4 grams anhydrous sulphate was left .Find the value of X .

asked by Kishan singh on January 15, 2016
18. ## Chemistry

What is the pH of a 1.24 mol/L solution of HCN(aq) if its Ka = 6.2 x 10^-10? I am not sure how to this question... I did 6.2x10^-10/ 1.24?? I am not sure if it is right OR are we suppose to find the Kb value which i already did Kb= kw/ka =

asked by Lloyd on April 10, 2008
19. ## college algebra

Can someone please help me find the x-intercepts and y-intecepts of this equation. I have the radius, and center but I can't seem to get the intercepts. x^2+y^2=16x-18y+145=25 Please show work. Thanks!!

asked by confused on December 4, 2012
20. ## Math

Find the volume of the solid of revolution obtained by revolving the plane region R bounded by y= x^5, the y-axis, and the line y=3 about the x-axis I've gotten 15/7(3^(2/5))pi, but it's not right. Please help

asked by James on December 2, 2016
21. ## Calculus

Find the parametric equations for the line of intersection of the planes x+y+z=3 and x-y+2z=2 I took the cross product of the 2 equations and got 3i-j-2k I then set z=0 and got x=5/2 and y=1/2. I got: x=5/2 +3t y=1/2-t z=-2t However, the answers are

asked by Mackenzie on December 4, 2012
22. ## Math

ABCD is a square with each side lenght 1 .Suppose BPC is an equilateral triangle ,find the area if the triangle BPD ...

asked by Mihir Sriram on March 3, 2013
23. ## physical sciences

to find out whether the amount of heat(gas) produced will depend on an increase on the concetration of HCL when HCL reacts with an excess Zn

asked by esmah on June 4, 2013
24. ## science

a concave mirror has a radius of curvature of 0.4 m find the position and the size of the image of an object 0.2 m high placed 0.8 m infront of the mirror

asked by namanpreet on February 18, 2014
25. ## math

.find the area of a triangle,to the nearest tenth of a square foot if its base is 4.25 feet andits altitude 6.30 feet

asked by chris on September 6, 2009
26. ## maths

the ratio between the radius of the base and height of a cylinder is 2:3.if its volume is 1617.find the total surface area of cylinder

asked by priya on March 8, 2016
27. ## math

belinda used her calculator to find the decimal for the fraction 21/28.When she entered 21/28, the calculator gave an answer that looked familiar. Why do you think she recognized it?

asked by kimberly fidhlsgdhlkghs on October 4, 2007
28. ## Calculus

Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a comma-separated list.) 18 + 9 cos(2x) = 27 cos(x)

asked by Riwo on January 20, 2016
29. ## math

belinda used her calculator to find the decimal for the fraction 21/28. When she entered 21/28, the calculator gave her an answer that looked familiar. Why do you think she recognized it?

asked by stacey on October 4, 2007
30. ## accounting

I've done the entire problem and I am at a complete loss on how to find the manufacturing overhead at the end. Help please. Problem below. I've scanned the pages, but can't put them up here.

asked by Ashley on February 6, 2009
31. ## TRIG HELP ASAP

I really need help on this problem. A sector has area of 15 in^2 and central angle of 0.2 radians. Find the radius of the circle and arc length of the sector

asked by missy on February 6, 2012
32. ## Intro To college math

Find the future value, using the future value formula and a calculator. (Give your answer to the nearest cent.) \$42.31 at 4.5% compounded semiannually for 4 years.

asked by Betty on October 29, 2011
33. ## math

2. find the volume of a pyramid,correct to two decimal places, if the base is a square 5.75 inches on a side and the altitude is 8.25 inches

asked by chris on September 6, 2009
34. ## Math

How dor i find whay the radius of the curve if the middle ordinate measures 4.8 feet when using a chord with a length of 42 feet?

asked by Ccs on May 9, 2012
35. ## maths

The measure of one side of a triangular field is 4.2 m .if the difference of the lengths of hypotenuse and the other side is 14 m , find the sides of the triangle and its area?

asked by pujita on June 4, 2013
36. ## maths

a crate is hauled 8m up a ramp under a constant force of 200N applied at angle of 25 degree the ramp. Find work done?

asked by yigerem demise on December 17, 2013
37. ## Pre Calc

Find the vaule of sec(theta) for angle theta in standard position if the point at (3,-1) lies on its terminal side.

asked by Alex on January 18, 2016
38. ## calculus

Find the minimum distance between the curves y=e^x and y=lnx. Hint: Use the fact that e^x and lnx are inverse relationships. I have no idea where to start. Thanks!

asked by Samuel on January 18, 2016
39. ## math ( plane)

find the equation of the plane passes through the middle point of the join of the points (2,-3,1) and (4,5,-3) and is perpendicular to the line joning the points?

asked by help on November 30, 2016
40. ## physical sciences

to find out whether the amount of heat(gas)produced will depend on an increase on the concetration of HCL when HCL reacts with an excess Zn

asked by esmah on June 4, 2013
41. ## Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x and y = x^4

asked by tiffany on December 16, 2013
42. ## math

a pulley is used to lift a mass with a force of 900N to a height of 10 metres in 2 minutes.find the work done by the force and also the power

asked by krishna on February 5, 2015
43. ## Jules

Could someone answer this question so I understand it. Thanks Given the supply function: p = S(x) = 5(e^0.02x-1) Find the average price (in dollars) over the interval [31,36]. Only the 0.02 is ^ in the e in the question.

asked by Anonymous on April 23, 2011
44. ## math

3. Find the exact value of the following, show all work. a. sin^2 (75^0)/sin45, cos^2, 30^0 b. tan(135) + sin(30)cot(120)

asked by Aly on January 19, 2011
45. ## Help, Math 8th grade!!!!!

14. Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis. Please help!! I need answer now!! I have been working on this problme for over an hour cant get it, please help,

asked by Esther on November 13, 2012
46. ## Physics

A big 2.5 blob of macaroni and cheese falls to the floor in 1.2 seconds. Find the momentum of the blob just before it hits the ground.

asked by Zar on May 2, 2013
47. ## Algebra

The perimeter of a square must be greater than 42 inches but less than 68 inches. Find the range of possible side lengths that sat soft these conditions.

asked by Cruz on January 4, 2016
48. ## Calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=5x^(1/2) , y=4 and 2y+1x=6 I've been trying this problem for about 3 hours. Please help!!!!!

asked by Sammy on July 10, 2012
49. ## Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x^2 − 4x + 1 and y = −x^2 + 4x − 5

asked by tiffany on December 11, 2013
50. ## Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Enclosed by y = x^2 − 4x + 1 and y = −x^2 + 4x − 5

asked by tiffany on December 11, 2013
51. ## Statistics

Two fair six-sided dice are rolled and total of results on the top of each doe observed. Find the probability that total is 8

asked by Tina on January 28, 2012
52. ## chemistry

The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 6.42 x 10e-6 m that must be absorbed to melt 2.00 g of ice.

asked by mw on November 13, 2011
53. ## physics

a lawn mower is pushed up a 15degree slope by a 20lb force. Find the component acting parallel to the slope

asked by Jason on September 26, 2011
54. ## College Algebra

The letters in the word probability are written on separate slips of paper. Find the probability of drawing two i's in a row without replacement.

asked by Sarah on December 11, 2013
55. ## geometry

Find the sum of the measures of the intieior angles of each polygon. -hexagon -pentagon -quadrilateral -octagon -16-gon -27-gon please

asked by hello on February 21, 2018
56. ## english

find the oject and preposition in this sentence. a chimney sweep uses a long brush to clean soot from the inside of a chimney.

asked by Tammy on September 14, 2011
57. ## College Algebra

The letters in the word probability are written on separate slips of paper. One slip of paper is drawn at random. Find P(b)

asked by Sarah on December 11, 2013
58. ## AP Physics

Find the scalar product of the vectors in Figure P7.8, where è = 117° and F = 31.0 N. y | | ___| Unk Angle----> / | -------\--------------x starts@O-----> / /| / / /_|/

asked by Sierra on November 21, 2010
59. ## Calc III

Find the position vector of a particle that has the given acceleration and the specified initial velocity and position. a(t)= 56t i + sin(t) j + cos(2t) k v(0)= i r(0)= j I need help finding r(t) Thanks so much for your help!!

asked by Emily on May 4, 2012
60. ## probability

Given that there were 4 Heads in the first 7 tosses, find the probability that the 2nd Heads occurred at the 4th toss. Give a numerical answer.

asked by jon on February 27, 2014
61. ## Physics

A progressive wave equation is given by y=a sin (200(pie)t -(pie)x/17) Find; 1) The wavelength 2) Velocity 3) Frequency 4) Period

asked by Joseph on December 21, 2018
62. ## asdf

Find a definite integral indicating the area of the surface generated by revolving the curve y = 3√3x ; 0 ≤ y ≤ 4 about the x – axis. But do not evaluate the integral.

asked by Anonymous on July 10, 2012
63. ## Algebra Readiness

sally bakes two cakes.the length of the square cake is 8 inches.how do you find the area and perimeter of the heart cake

asked by itzel on February 25, 2014
64. ## Physics

An FM radio station broadcasts electromagnetic waves at a frequency of 1.08 × 10§ hertz. The speed of these waves is 3.0 × 10§ meters/second. Find the wavelength.

asked by Dave on July 5, 2012
65. ## math

find the present value using the present value formula. Achieve \$ 225,500 at 8,95% compounded continuously for 8 years, 135 days.

asked by Andrew on February 17, 2013
66. ## Algebra

A \$130,000 home bought with a 20% down payment and the balance financed for 30 years at 7.5% Find the monthly payment for the loan

asked by Becky on June 5, 2013
67. ## math

A polynomial function P is given. P(x) = x4 − 13x2 + 36; [−6, 6] by [−260, 260] Find all solutions of the equation P(x) = 0. (Enter your answers from smallest to largest.)

asked by Marie P. on August 11, 2014
68. ## physics

A boy reaches out of a window and tosses a ball straight up with a speed of 15 m/s. The ball is 20 m above the ground as he releases it. Use energy to find the following.

asked by nicole on December 1, 2009
69. ## algebra

The area of a rectangle is 32 square units. Its sides have integral lengths. Find the probability that its perimeter is greater than 30 units.

asked by Saige on January 19, 2012
70. ## calculus

Find the radius of the base and altitude of a right circular cone of maximum volume that could be inscribed in a sphere at radius 10 meters.

asked by Cheska on March 14, 2016
71. ## Math

The region enclosed by the curve y = ex, the x-axis, and the lines x = 0 and x = 1 is revolved about the x-axis. Find the volume of the resulting solid formed. How do you do this?

asked by Jonah on February 25, 2018
72. ## Chemistry

Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.640. The Ksp for Zn(CN)2 is 3.0 × 10–16. The Ka for HCN is 6.2 × 10–10. I need to know what equations to use to find the answer not just how to get it

asked by Sonya on February 23, 2014
73. ## Geometry

The sum of the angle measures of a polygon w/ "s" sides is 2880. Find "s" Please help with step-by-step explanation, so I can fully understand it. Thank you. (^_^) \_♥_/

asked by Shae on March 15, 2016
74. ## Geometry

The sum of the angle measures of a polygon w/ "s" sides is 2880. Find "s" Please help with step-by-step explanation, so I can fully understand it. Thank you.

asked by Shae on March 15, 2016
75. ## Physics Coulombs Law

A proton is at the origin and an electron is at the point x = 0.45nm , y = 0.38nm . Find the electric force on the proton. Fx , Fy = N How do I go about solving these 2 problems?

asked by Anonymous on February 3, 2015
76. ## math

A rectangular storage building is 30 feet long and 25 feet wide. Find the ratio of the length to the primeter of the bulding.

asked by christopher on April 13, 2010
77. ## calculus

hi I posted this question earlier: what is the median waiting time for f(x)=((1/8)e^(-x/8))? I said the answer was 5.55 is this correct? thank you! and somebody helped me find the mean, but i was wondering if this was the right median. thanks

asked by tia on April 8, 2008
78. ## math

In △ABC, CM is the median to AB and side BC is 12 cm long. There is a point P∈CM and a line AP intersecting BC at point Q. Find the lengths of segments CQ and BQ, if P is the midpoint of CM

asked by johnny on December 29, 2018
79. ## Algebra

The perimeter of a square must be greater than 40 inches but less than 94 inches. Find the range of possible side lengths yay satisfy these conditions.

asked by Student on January 5, 2016
80. ## Math

An owner of a company spends \$25 on office supplies. The owner is left with \$20. Write an equation to find how much money he originally had.

asked by Olivia on January 5, 2016
81. ## math

a woman is four times older than her daughter five years ago the product of their age was 175 find their present age

asked by Anonymous on October 27, 2016
82. ## Chemistry

Find the amount of mole solute in solution of concentration 2.5moldm^-3 and volume of 500cm^3 Hint to solve Amount = C x V

asked by George on October 21, 2017
83. ## physics

An automobile with an initial speed of 6.60 m/s accelerates uniformly at the rate of 3.9 m/s^2 Find the final speed of the car after 5.2s Answer in units of m/s

asked by Anonymous on October 14, 2012
84. ## physics

When a car screeches to a sudden stop to avoid hitting a dog, it slows down from 9.00 m/s to 0.00 m/s in 1.50 s. Find the average acceleration of the car?

asked by ARI on July 22, 2015
85. ## Math

A man 1.5m tall is 23.5 meters away from a tower of height 25m.from his eyes,find the angle of elevation of the top of the tower

asked by Raghag pagare on May 28, 2016
86. ## Math

Find the amount of the regular payments needed to amortize a \$7400 debt at 8.2% compounded annually with 18 semiannual payments.

asked by Kristen Morris on December 13, 2011
87. ## Math

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) h(u,v) = sqrt(4-u^2-v^2) u^2+v^2 = ?

asked by Mia on April 29, 2014
88. ## Algebra

Two electrical voltages have a total of 126 volts. If one voltage is 32 more than the other, find the voltages. Started off with x =126V Y = 32v now stuck

asked by Mea on June 1, 2014
89. ## Algebra

15. find the x-intercept by factoring. y=x^2-4x-32 here is what i have (x+4)*(x-8) =0 x=-4 x=8. 16. show how the value of the discriminant supports your conclusion from question 15. 17. How does the axis of symmetry relate to the x-intercept. Thank you for

asked by Laura on November 29, 2017
90. ## Math Help

The fare for riding in a taxi is a \$3 fixed charge and \$0.80 per mile. The fare for a ride of d miles is \$6.75. Write an equation that could be used to find d.

asked by Ben on May 26, 2011
91. ## math (3)

Find the domain of the function. Write your answer in interval notation. (If you need to enter ∞ or -∞, type INFINITY or -INFINITY.) f(s,t)= sqrt(s^2+t^2) s = ? t = ?

asked by Mia on April 29, 2014
92. ## Calculus

Find the orthoganal trajectories of the family. Use a graphing utility to graph several members of each family. y = Ce^x What am I supposed to do here? Can someone point me in the right direction?

asked by Hannah on March 5, 2012
93. ## Calculus

Find the four second partial derivatives and evaluate each at the given point. Function f(x, y) = x^3 + 2xy^3 − 9y Point (9, 2) fxx(9, 2) = fxy(9, 2) = fyx(9, 2) = fyy(9, 2) =

asked by Calculus Help on November 17, 2015
94. ## physics

how do i find the equilibrant force of two forves acting on a point? one is 75N due north and the other is 105N due east.

asked by Anonymous on November 4, 2008
95. ## calculus

A 6-foot man walks away from a 16-foot lamppost at a speed of 5 ft/sec. Find exactly the rate at which his shadow is increasing in length.

asked by Madeline on December 11, 2010
96. ## maths applications of trigonometry

if an object is observed with an angle of elevation 60 degrees from a point at a distance of 60m, so find the height of object from the ground

asked by Druthi on December 16, 2017
97. ## Math

Can someone assist me in the right direction with this question? Find an equation of the line containing the given pair of points. (-5,-6) (1,-3) The equation needs to be in slope intercept form. Thanks.

asked by Sarah on May 2, 2010
98. ## physics

An automobile with an initial speed of 6.60 m/s accelerates uniformly at the rate of 3.9 m/s^2 Find the final speed of the car after 5.2s Answer in units of m/s

asked by Anonymous on October 14, 2012
99. ## Math

The combinated permeter of a circle and a squar is 16 find the dimensions of the circle and the square that produces a minimum total area?

asked by Mgj on March 13, 2011
100. ## calculus

Find two positive numbers that satisfy the given requirements: The product is 147 and the sum of the first number plus three times the second number is minimum

asked by Jallah on November 17, 2014