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

93,362 questions, page 461
1. physics

A stone of 400g is whirled by a string of length 2.8m so that it moves in horizontal circle of radius 0.7m.find the tension on the string.

asked by valenten on November 23, 2016
2. Geometry

Two Right Triangles have equal acute angles, yet one triangle is larger than the other. Therefore, the triangles much be _________________. I've looked everywhere in my books and on the internet and I cant find it.

asked by Kaite Lynn on May 2, 2008
3. 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
4. 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
5. Calculus

If f(x)= 1/1-x Find the composition of f(f(x)). So I get 1/1-(1/1-x) I'm not sure if I am putting it in my calculator correctly because I keep getting a line. Is that right? If I put it in with the parentheses differently, I get the graph of f(x)=1/x. Does

asked by Natalie on September 18, 2008
6. 1630

Mr X deposit \$3000 at the end of each semiannual period for 21 years at 8% interest compounded semiannually.Find the amout will have on deposit?

asked by girma on April 17, 2012
7. how do i set up this problem?

A cruise boat travels 48 miles downstream in 3 hours and returns upstream in 6 hours. Find the rate of the stream

asked by Angela G on March 8, 2009
8. Physics

Two point charges +q=1 ìC and −q=−1 ìC with mass m=1 g are fixed at the positions ±r ⃗ 0 with |r 0 |=1 m . The charges are released from rest at t=0 . Find the time ô in seconds at which they collide.

asked by Anonymous on May 16, 2013
9. Educational Research

Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5 Find the z score corresponding to a score of 115. Show your work.

asked by Betty on December 14, 2011
10. Math 172

Find the break-even point for the firm whose cost function C and revenue function R are given. C(x) = 14x + 9,000; R(x) = 23x (x, y) = (_________)

asked by Leyla on September 12, 2016
11. physics

a particle is travelling in a straight line with constant acceleration.it covers 6m in the fourth second and 7m in the fifth second.find its acceleration and initial speed.

asked by Fatima on February 13, 2013
12. physics

Assume the Earth is a sphere with its mass evenly distributed throughout. Find the moment of inertia of the Earth about its axis of rotation.

asked by Anonymous on April 17, 2012
13. physics

an elevator weighing 500kg f moving upward and tension in the supporting cable is 50000N.find upward acceleration.

asked by gallium on August 31, 2011
14. Algebra

f(x) = 4x2; x = 2, x = 2 + h this is telling me to find the average rate of change and the net change? I found one but my answer is disapproved from a friend.

asked by miriam on July 20, 2015
15. 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
16. Physics

An air-filled parallel plate capacitor has a plate separation of b = 0.58 cm, and an area A = 280 mm2. Find its capacitance

asked by Susie on March 6, 2010
17. math

Show how to find the quotient 18 divided by (-6) by using the following: a) the idea of division as finding a missing factor. b) the procedures for integer division.

asked by m on October 19, 2010
18. 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
19. 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
20. History

What did Renaissance wrters write about? poems and their loved ones thanks! Marco, got to Wikipedia and type in renaissance. You should find plenty of info to help you.

asked by marco on September 9, 2006
21. 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
22. physics

Only two forces act on an object (mass = 5.27 kg), as in the drawing. Find the (a) magnitude and (b) direction (relative to the x axis) of the acceleration of the object.

asked by Anonymous on September 29, 2011
23. math

The decay of 333 mg of a radioactive substance is given by A(t) = 333e-0.024t, where t is time in years. Find the amount left after 17 years.

asked by allison on April 8, 2011
24. geometry

CUTTING A CIRCLE INTO EQUAL SECTION OF A SMALL CENTRAL ANGLE TO FIND THE AREA OF A CIRCLE BY USING THE FORMULA A=PIE R2

asked by ASWATHY on March 10, 2011
25. maths

two poles are of height 20 metres and 14 metres. the wire makes an angle of 30 degree with the horizontal. find the distance between the twopoles.

asked by karuna on January 14, 2013
26. math

Find the lateral area of a regular pyramid whose base is a square whose slant height is 5 m, and whose height is 3 m. I don't understand this. I need help.

asked by monica on November 11, 2007
27. 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
28. Trig

I'm trying to find out which quadrant some trigonometric functions lie in. The problem is one of them is equal to zero, and zero is neither positive or negative. How do I determine which quadrant it belongs in then???

asked by Tara on January 4, 2010
29. math

If a vehicle gets 16 MPG and gas costs \$2.70/gallon. How much would it cost to drive the vehicle 30 miles? Can someone help me find a formula to figure this out?

asked by lisa on September 2, 2010
30. calculus

find the area of the region enclosed by y= square root of x, y=x-2, and y=0. i use f(x) - g(x) and got the answer to be 2, but my classmate got 8/3 do i'm really confuse don't know whats the answer.

asked by Nancy on February 3, 2010
31. science

a stone is dropped from the tower of hight 125m; calcute (1) Time taken to reach the ground. (2) Find velocity of stone.

asked by Pankaj Kumar on November 23, 2016
32. Physics

A car starts from rest and moves with uniform acceleration of 0.3 meter per second. After 30 second, find the velocity of the car and distance covered?

asked by M.Tariq on March 14, 2014
33. algebra 2

you deposit \$3500 in an account that earns 2.5% annual interest. Find the balance after one year if the interest is compounded with the given frequency.

asked by Nekay on March 23, 2014
34. math

Jamal made a list of fractions and asked Will to find the fraction written in simplest form. Which fraction should Will choose? 1/8, 3/89, 9/18, 6/10?

asked by danielle on January 13, 2015

Name all the values of x that are not in the domain of f(x)=2-x^2/x+5. Answer: x= -5 2)Find the minimum value of f(x,y)=2x-y+2 for the polygonal convex set determined by this system of inequalities: x >/= 1, x

asked by Lucy on August 23, 2008
36. 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
37. Eastern Religion

I am looking for reliable link on Dogen Kigen - a Zen monk. Can someone provide a link or suggestion to find information about this philosopher? Thanks!

asked by Onlin Bus on February 10, 2010
38. Algebra 1

a bag contains 7 red, 4 white, and 6 blue marbles. find the probability of obtaining a white marble in a single draw.

asked by barnyard-gal on April 30, 2018
39. CALCULUS

Find a formula for the inverse of the function. y=x^2-x, x>=(greater than or equal to) 1/2 Please give me a step by step explanation. I think my algebra is wrong... Ty

asked by MATH on February 1, 2014
40. physics

A horizontal plank (m = 2.0 kg, L = 1.0 m) is pivoted at one end. A spring. (k = 1.0 x 10. 3. N/m) is attached at the other end find the angular frequence for small oscillations?

asked by shan on December 11, 2007
41. History

Find 6 quotes from the book What Went Wrong By Bernard Lewis and explain their significance. Please help! Having trouble finding significant quotes

asked by Reily on February 2, 2018
42. math

a 3 digit, and 1 digit number have a sum of 147, a different of 133 and a product of 980. find the numbers, and then give their quatient.

asked by sam on March 5, 2009
43. Math

An investor puts ​\$700 in an account that pays 2​% interest compounded annually. Find the account balance after 8 years.

asked by hi on March 15, 2019
44. Physics

A cannon ball is projected so as to attain a maximum range. Find the maximum height attained if the initial velocity is U.

asked by John on March 14, 2019
45. geometry

A hemispherical dome holds a volume of 486π..find the surface area (omit the area of the circle)? I just need the formulas id use

asked by Jane on May 30, 2014

50oxes of computer paper unit price is \$13.37 and the single trade rate is 15% find the net price - Im sorry my mistake

asked by debbie on October 29, 2010
47. math

Find the length of an arc of a circle of radius 6cm which subtends an angle of 105 degree at the Centre of the circle

asked by Anonymous on May 5, 2016
48. Math

I need help with decimal Bedmas, I find that when I use a calculator and split up the equation into the proper sections the answer sometimes out wrong. I don't know what im doing wrong. eg. 2.3 (4.5-9.6)+3.1= (4.5-9.6)= -5.1. 2.3x-5.1=-11.73+3.1=-8.63.

asked by J. A. on September 22, 2016
49. Math

You earn \$7.25 per hour babysitting. Write and solve an inequality to find how many full hours you must work to earn at least \$200

asked by melanie on January 11, 2011
50. maths

Find the largest possible value of x^3+y^3+z^3 for realx, y, z, such that xyz^2=−64y−128x x^2yz=−32y−32z 3xy^2z=128x−64z

asked by stranger on April 1, 2013
51. Geometry

Given that circle Q has a radius of 42, and radii line QR and line QS form an angle of 180, find the exact length of arc RS.

asked by Joe on April 15, 2012
52. college algebra

A rectangle picture frame has a perimeter of 1800 centimeters and a width that is 300 less than its length. Find the area of the picture.

asked by charlotte on November 20, 2014
53. Maths

In the triangle ABC, AD is perpendicular to BC. Angle CAD=y and angle DBA=x. AC=17 and BD=25 units Find the value of 5cosx -17siny+tanx

asked by Rachana on September 12, 2016
54. chemistry

why might heating hydrates in a crucible to find the percentage of water in the hyrate not be appropriate for all hydates? is it because some are flammable and water vapour might escape?

asked by s on December 18, 2008
55. Physics

Find an arrangement of a 50-g, a 100-g, a 200-g and a 500-g mass that balances. Show all the calculations and indicate the positions the mass should occupy.

asked by Lila on January 14, 2014
56. Math (sigma stuff!)

Hi! Looking to find n∑k=1 8(k/n) (n is supposed to be on top, k=1 below the sigma sign)in closed form. I've tried doing 8*[(n(n+1)/2)/n], and that didn't seem to work. I'm not sure if I'm supposed to do anything with the n or if it might be an issue with

asked by Mia on October 25, 2014
57. physics

Two charges are placed on the x axis. One of the charges (q1 = +6.14C) is at x1 = +3.00 cm and the other (q2 = -28.6C) is at x2 = +9.00 cm. Find the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b) x =

asked by BM on May 20, 2012
58. Calculus

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

asked by Kristen on November 4, 2013
59. 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
60. calculus

Find the volume of the solid obtained by rotating the region bounded by the given curves about the speciﬁed axis. y = 64x−8x^2, y = 0; about the y-axis.

asked by maggie on March 2, 2017
61. physics

an ball of mass initially at rest fragments into two masses each of 1 kg moving with speed 0.6c. find the mass of original body

asked by gj on September 4, 2013

I really need someone to look at my previous posts and edit them if they need to be edited. Please point out any grammatical errors. Thank you very much. You will find my posts as soon as you enter my name in the Search Box.

asked by Sara on May 1, 2010
63. Pre-Calc

An exponential function may have a coefficient. In these cases, the equation is often written as f(x) = ab^x, where a is the real-number coefficient and b is the base. Find the value of f(-3) given that f(2) = 6 and f(0) = 54. My answer: a = 54, b = 0.33,

asked by Anonymous on March 25, 2016

I was asked to: Calculate the d value or effect size for A but use this data instead. A. Group one 12 and group two 11 standard deviation 3 Can anyone please help me figure out how to find the d value. Any help would be great.

asked by Jennifer on November 20, 2014
65. Calculus 1

Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = x^−3, 2 ≤ x ≤ 5

asked by TayB on November 25, 2015
66. physics

Consider a five-pointed star made of resistors as shown below. Each resistor has resistance R=6 Ω. Find the equivalent resistance in Ohms between the points A and B.

asked by ayan on April 27, 2013
67. physics

Consider a five-pointed star made of resistors as shown below. Each resistor has resistance R=6 Ω. Find the equivalent resistance in Ohms between the points A and B.

asked by ayan on April 27, 2013
68. maths

a reduction of 20% in the price of sugar enables a purchaser to obtain 2.5 kg more for Rs.160.find the original rate and the reduced price per kg.

asked by Balaji on August 2, 2016
69. math

Find the quotient. Type the quotient with the decimal in the correct place. Round to the nearest 10th. 3 divided by 562.0

asked by ashley on December 23, 2008
70. math

Find the solution of the given system by the method of addition that was used in Examples 4 and 5. If there is no solution or infinitely many solutions, state so. Put the value for x in the blank. 2x - 3y = 1; x + 2y = 4

asked by tanya on April 3, 2012
71. Math

Plz help me to solve this Find the time in which an amount of rs.6250 amount to rs.6760 at 4% per annum,if the intrest is compounded anually.

asked by Simran on January 9, 2013
72. Pre Algebra

Which special version of the Pythagorean Theorem can you use to find the length of any square's diagonal, d, using only the length of its side, s? plz tell me the equation!!!

asked by Labbayk on October 3, 2015
73. geometry

In triangle ABC, angle B is a right angle. Find the remaining sides and angles. Round your answers to the nearest tenth. a = 3, c = 3

asked by Anonymous on December 23, 2011
74. Calc 1

Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = x^−3, 1 ≤ x ≤ 5

asked by TayB on May 14, 2015
75. Calculus

Find two positive numbers that satisfy the given requirements. The product is 147 and the sum of the first number plus 3 times the second number is a minimum.

asked by Luke on October 25, 2011
76. Maths

The adjacent sides of parallelogram are 26cm and 28cm and one of its diagonal is 30cm. Find the area of the parallelogram by using heron's formula

asked by Meera on July 1, 2015
77. maths

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 kumar on March 5, 2018
78. physic

Three vectors are shown in the figure below, but they are not drawn to scale. The sum of the three vectors is R = F1 + F2 + F3. If Ry = 0 and F2 = 0.2F3,find Rx in terms of F1. the angle for F1 is 30 degree

asked by joy on January 28, 2018
79. Math

The adjacent sides of parallelogram are 26cm and 28cm and one of its diagonal is 30cm. Find the area of parallelogram by using heron's formula

asked by Meera on July 2, 2015
80. 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
81. calculus

Find the absolute maximum and absolute minimum values of f on the given interval. (Round all answers to two decimal places.) f(t) = t + cot(t/2)

asked by Michael on March 2, 2012
82. Math

20. Find the product of 987.2365 and 1,000. A. .9872365 B. .09872365 C. 987,236.5 D. 9,872,365 Ohh now I see it is C

asked by Sarah on October 4, 2014
83. calculus

Find the absolute maximum and absolute minimum values of f on the given interval [π/4, 7π/4]. (Round all answers to two decimal places.) f(t) = t + cot(t/2)

asked by Michael on March 2, 2012
84. physics

a 650 lb box is hanging by means of two ropes attached to a ceiling as shown by diagram below find the tension on the ropes

asked by catherine on September 6, 2010
85. Pre-calculus

Name all the values of x that are not in the domain of f(x)=2-x^2/x+5. Answer: x= -5 2)Find the minimum value of f(x,y)=2x-y+2 for the polygonal convex set determined by this system of inequalities: x >/= 1, x

asked by Lucy on August 25, 2008

given the graph of f(x) = x sinx, 0

asked by Ethan on September 28, 2011
87. calculus

given the graph of f(x) = x sinx, 0

asked by Ethan on September 28, 2011
88. physics

Two blocks are connected by strings and hung from the ceiling as shown. Tension T1 is 187 N and tension T2 is 78 N. Find the mass of each block.

asked by tomas on November 1, 2012
89. math

A tie pin which sells for \$200.00 has a markup rate of 30% on the selling price. Find the amount of the markup and the cost.

asked by lydia on November 19, 2009
90. 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
91. Math

The adjacent sides of parallelogram are 26cm and 28cm and one of its diagonal is 30cm. Find the area of the parallelogram by using heron's formula

asked by Anonymous on July 2, 2015
92. geometry

A cone has a volume of 36pi cubic meters. Its height is four times its radius. Find the surface area of the cone.

asked by Piggy on March 2, 2012
93. CALC

Find the mass and center of mass of the lamina that occupies the region D and has the given density function ρ. D is bounded by y =sqrt(x), y = 0, and x = 1; ρ(x, y) = 27x m=? (x,y)=?

asked by Anon. on October 18, 2016
94. physics

Only two forces act on an object (mass=4.41 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to the x axis) of the acceleration of the object.

asked by jordan on October 1, 2015
95. math - ans.check

Given function G(x)=-7/8(45-x), find x to nearest tenth, when G(x)=15 ____________________________________ I'm stuck on this question,i tries on my own but i couldn't get it right, plz help! 15=-7/8(45-x) -8/7(15)=45-x (-17.1428..)=45-x -> stuck at this

asked by troy on February 17, 2015
96. Math HELP

Find the present value of the annuity necessary to fund the withdrawal given. \$300 per month for 20 years Annuity earns 7% per year thank you for your time.

asked by LOUIE on March 7, 2017
97. math

Find the angle of elevation of the top of a vertical pole 23long from a point on the ground 10away from the foot of the pole l

asked by Gertrude on November 14, 2016
98. physics

A motor boat due east at 10m/s on a current moving towards S 30 degree W @ 5.0m/s. Find the resultant value of the boat and the direction.

asked by Fate on April 5, 2011
99. Physics - Buoyant Force Question

Find the buoyant force on a helium balloon in air (Standard Pressure and Temperature) if the balloon is spherical with diameter 12.0 cm.

asked by Anon on November 11, 2016
100. maths

a reduction of 20% in the price of sugar enables a purchaser to obtain 2.5 kg more for Rs.160.find the original rate and the reduced price per kg. (a) 8.80 per kg (b) 10.80 ,, (c) 11.80 ,, (d) 12.80 ,,

asked by Balaji on August 2, 2016