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 645
1. civics

In modern society, what do we mean when we refer to the dividion of labor? A} the specializatoon of jobs in tthe medical field B}splitting work equally between two people C{all the jobs peopkle do are connected to other jobs D} the ways joconstruction jobs

asked by kimberly on November 28, 2013
2. math

A railroad tunnel is shaped like a semi-eclipse. The height of the tunnel is 28ft and the total width is 50ft. Find the vertical clearance at a point 13ft to the right from the center. Please show all work that leads to your answer. Round your final answer

asked by Angie on August 16, 2017
3. Physics

A 3kg block is attached to an ideal spring with a force constant k = 200N/m. The block is given an initial velocity in the positive direction of magnitude u = 12 m/s and no initial displacement (x o = 0). Find (10 marks) a. The amplitude and b. The phase

asked by Mathias on April 18, 2018
4. trigonometry

Find the distance using the appropriate arch length. A television tower 520m high subtends an angle of 2deg30'. How far away is the tower? some people that helped me alot were Reiny, Damon, bobpursley, and drwls..so i just wanna say thnks to you guys...are

asked by y912f on January 16, 2009
5. Math

I am a parent trying help my son, who has trouble understanding and remembering how to work his math. I never had this math, so it is hard for me to explain it. If I see it worked out. Then I can explain it, (I Think) here is the problems. A ball is tossed

asked by Stacie on February 1, 2015
6. Mathematics

A cow-trough has a triangular cross-section of height 25cm and base 30cm and is 2m long. A cow is drinking steadily, and when the water level is 5cm below the top it is being loward at the rate of 1cm/min. Find the rate if consumption in litres per minute.

asked by Amos on September 16, 2015
7. U.S.History

i cant find this in my book. i've probably read about it but i don't remember In the 1890s, immigration patters shifted dramatically, with most immigrants now coming from a. northern European countries b. southern and eastern European countries c. Mexico

asked by y912f on February 19, 2009
8. statistics

Can someone work this out for me, so I can use as an example to do the other ones. Does it pay to study for an exam? The number of hours studied, x, is compared to the exam grade received, y. x 4 4 6 1 1 y 75 90 95 60 80 (a) Find the equation for the line

asked by Sue on May 25, 2013
9. Algebra

I am a parent trying help my son, who has trouble understanding and remembering how to work his math. I never had this math, so it is hard for me to explain it. If I see it worked out. Then I can explain it, (I, Think) here is the problems. A ball is

asked by Stacie on February 1, 2015
10. English

1. Do first things first. 2. Do the first things first. (Which one is right?) 3. What kinds of health problems does the people in the pictures have? Look at the person in Picture One. He is holding a measuring tape. Doesn't he look heavy? He needs to be on

asked by John on September 1, 2009
11. chemistry

Find the unit cell (simple, bcc, fcc), type of holes where the smaller ions are found (tetrahedral, octrahedral, cubic), and number of cations and anions per unit cell for the following compounds: CdSe CsI Li2O KBr NaCl ZnS(I)

asked by jina on February 12, 2008
12. Physics

A 3kg block is attached to an ideal spring with a force constant k = 200N/m. The block is given an initial velocity in the positive direction of magnitude u = 12 m/s and no initial displacement (x o = 0). Find (10 marks) a. The amplitude and b. The phase

asked by Mathias on April 18, 2018
13. statistics

A politician claims that she will receive 66% of the vote in an upcoming election. The results of a properly designed random sample of 145 voters showed that 80 of those sampled will vote for her. Is it likely that her assertion is correct at the 0.01

asked by Err on December 4, 2014
14. Mathematics

Find the work done in moving a particle along the quadrant circle that has radius 2, going from A = (2, 0) to B = (0, 2) in the x-y plane through the force field F given by: F = (x - y)i + (x)j No diagram sorry, but the information provided does allow for

asked by Blueberry Tuffin on April 3, 2013
15. College Algebra

find the eqauation for this problem Basketball Scroing- The Fenton College Cougers made 40 filed goals in a recent basketball game,some 2-pointers and the rest 3-pointer, altogether, the 40 baskets counted for 89 point. How many of each tyep of field goal

asked by Bridgett on March 1, 2014
16. Anatomy

Our biology class is studying the human skeletal system this month, and I need to find some information on the fone bone for my report. Can anyone help me out? Thank you for using the Jiskha Homework Help Forum. Is some one joking with you? "Fone Bone" is

asked by Ali on March 20, 2007
17. physics

In the Atwood machine shown below, m1 = 2.00 kg and m2 = 6.00 kg. The masses of the pulley and string are negligible by comparison. The pulley turns without friction and the string does not stretch. The lighter object is released with a sharp push that

asked by carlton on October 17, 2011
18. PHYSICS!

An object of mass 154 kg moves in a smooth straight tunnel of length 2990 km dug through a chord of a planet of mass 3.19 × 10^24 kg and radius 1 × 10^7 m Find the eﬀective force constant of the harmonic motion. The value of the universal gravitational

asked by michelle on November 16, 2012
19. Statistics

A firm claims that only 10% of it's accounts receivables are over 30 days past due. The bank that supplies working capital or interim laons to the fimrs is suspect of the figure and accordingly takes a random samole of 100 accounts of the firm. Find the

asked by Leslie Meagan on January 3, 2015
20. Physics

a. A prismatic object 8 cm wide by 16 cm long is weighed in water at a depth of 20 cm and found to weigh 11 N. What is its weight in water? b. A light bulb in flashlight is labelled 2.4 V, 0.7 A. Find the equivalent resistance and the current if three of

asked by Sibusiso on May 3, 2012
21. human resources

As the company bookkeeper reviewing delinquent accounts receivable, you find that a relative of yours has not paid his account amounts of \$550. You know that he has been experiencing financial difficulties, and so you set his account aside and do not

asked by Shawne on January 28, 2010
22. calculus

By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 14 in. long and 6 in. wide, find the dimensions of the box that will yield the maximum

asked by eve on March 16, 2013
23. College Chemistry

The following data are obtained for the decomposition of N2O5 at a certain temperature: 2N2O5(g)↔4NO2(g) + O2(g) Time(s) 0 200 400 600 800 N2O5 (atm) 2.10 1.85 1.63 1.43 1.26 Find the rate constant kobs for this first-order decomposition reaction in

asked by cara on February 6, 2011
24. Maths

in an examination 50% of the studentspassedin mathematics and 70% of studentspassed in science while 10 % students failed in both subjects .300 students passed in at leastone subject .find total number of students who appeared in the examination if they

asked by Set launguage on June 25, 2018
25. U.S. History

I am finding information about Daniel Boone. I have did a google search, but I cannot find the answer to my question still. Would sommeone please help me out? 1. Could Daniel Boone speak Native American languages 2. In the days of Daniel Boone, what was

asked by Anonymous on September 22, 2009
26. Maths

ABC is a right angled triangle on a horizontal ground. AD is a vertical tower. BAC is 90 degrees, ACB is 35 degrees and ABD is 52 degrees. C is 66 metres. Find the height of the tower and the angle of elevation of the top of the tower from C?

asked by Zobo on August 15, 2019
27. calculus2

A tank is full of water. Find the work required to pump the water out of the spout. (Use 9.8 m/s^2 for g. Use 1000 kg/m^3 as the density of water. Assume r = 9 m and h = 3 m.) The tank is a spherical shape with r as the radius(9m). On top of the tank is a

asked by A on June 28, 2018
28. foundation of mechanics

A particle is released from rest at a point P on an inclined plane. The inclination of the plane is tan"1 (4/3) to the horizontal. If the coefficient of friction between the particle and the plane is 1/3, find i) the speed of the particle when it passes Q,

asked by khairul on December 27, 2011
29. Physics - Tension Question

A uniform bar of mass 12 kg and length 1.4 m is held by a hinge on a vertical wall. A string is attached to the end so that the bar is in mechanical equilibrium. The angle between the bar and the string is 25o. Find the tension in the string.

asked by Anon on November 11, 2016
30. Algebra 2

Find the values of the inverse function in radians. sin^-1(0.65) a. 0.71+2pi n and -0.71+2pi n b. 0.71+2pi n and -3.85+2pi n c. 0.86+2pi n and -0.86 +2pi n d. -0.61+2pi n and 2.54+2pi n 2. tan^-1(0.09) a.-0.09+2pi n b. no such angle exists c.-1.48+ pi n d.

I need to find 3 business in my comunity: one that is formed as a sole proprietory, one that is formed as a general partnership, and one that is formed as a corportion. Identify the business and explain what characteristic of the business form led the

asked by omar on October 7, 2007
32. Math

Arectangular lawn measuring 8m by 12m is surrounded by apaved path of constant width-w metres.The area of the path is 23m^2. Form aquadratic equation that must be satisfied by width and hence find the width of the path?

asked by Bashir Abdi on October 30, 2017
33. Chemistry

1. What does 'the time taken to reach completion decreases if 20cm^3 of hcl containing 4mol/dm^3' means? How to work out to find the concentration? 2(a)What does concentrated hcl means? (b)What does dilute hcl means? Which will react faster or slower / a

asked by StuartKess on October 30, 2011
34. Urgent--Geometry(trig part)

So I am new to sine, cosine, and tangent, so I need some help. Just explain it. No need for the answers unless you want to give it to me. :D Let triangle ABC be a right triangle with angleC=90degrees. Given the tangent of one of the complementary angles of

asked by Anonymous on March 2, 2017
35. maths

A water tank can be filled up by two pipes together in 30 minutes. One pipe fills up the tank in 32 min sooner than the other pipe when they are used separately. Find the time for each pipe to fill up the tank. Can you explain how you set up the equation

asked by kim jung hee on September 2, 2013
36. Finance

I calculated the following cash flows for the 5 year project. Can somone help me find the payback period?? year 0 = -80000 year 1= -75000 year2= 105000 year3= 115000 year4=115000 year5=115000

asked by Maya on July 18, 2019
37. Trigonometry

Someone please help me!!! I think I've found the correct formula for this but I don't understand exactly why this is a sine function and how to find the days of the year when Portland has 11 and 15 hours of daylight. PLEASE HELP!! The equation I got was: D

asked by french accent on February 27, 2018

Please can you help me to solve and get the solution for these problems. how to get the solution please help me for my homework. question: 1.Find the price of a 10% coupon bond with 10 years to maturity if interest rates: A) increase by 1% B) decrease by

asked by jessie on September 12, 2011
39. MS.SUE PLS HELP ME

Please can you help me to solve and get the solution for these problems. how to get the solution please help me for my homework. question: 1.Find the price of a 10% coupon bond with 10 years to maturity if interest rates: A) increase by 1% B) decrease by

asked by jessie on September 12, 2011
40. algebra

find an equation of the line containing the given pair of points. (-9,0) and (0,4) what is the equation of the line? y=?

asked by amy on November 21, 2011
41. Calculus

Find k such that the line is tangent to the graph of the function. Function: f(x)=kã(x) Line: y=x+4

asked by Susana on October 3, 2011
42. value

The sum of 9 and a certain number is 2 whole number 1 over 4 times the original number. Find the number

asked by value on October 23, 2016
43. Math/Algebra

Find each sum or difference (3x^2 + 7x- 2)+ (2x^2 - 3x + 4) Answer: 5x^2 + 4x + 2 (4x + 8y) + (-7y + 3x) Answer: 7x+1y (x^2 + 4x - 1)+ (9x^2 - 8x + 9) Answer: 10x^2 - 4x + 8 (8x + 6) - (2x - 1) Answer: 6x+ 11

asked by Cindy on March 24, 2009
44. calc

Let g(s)=1/(s-2)on the interval (0,1). Find the absolute maximum and absolute minimum of g(s) on this interval

asked by casey on November 5, 2009
45. Algebra

Find an equation of the line having the given slope and containing the given point. M=6/7, (5,-2) The equation of the line is y =

asked by Pam on February 11, 2014
46. AP Statistics

if the probability of a swan drowning is .27, find the probability of exactly 4 out of the 7 swans drowning.

asked by Belle on January 6, 2010
47. algebra

find an equation of the line containing the given pair of points. (-9,0) and (0,4) what is the equation of the line? y=?

asked by amy on November 21, 2011
48. Math

Perimeter of a rectangle is 44 cm and the length is 7 more than twice the width. Find the length and the width.

asked by Aye Wah on December 7, 2016
49. math

For f(x) and g(x) given below, find the following, f(x) = (x-1)^5, g(x)=1-6x a) (f of g)(x)= -7776x^5 b) (g of f)(x)= -6x^5+30x^4-60x^3+60x^2-30x+7 c)f(f(x)= d) f^2(x)=(f*f)(xx)= Im stuck on c and d

asked by tracy on June 15, 2015
50. mathematics 1

A line is 45/64 inch long. Find the length of a line 4/5 as long?

asked by Anonymous on October 1, 2007
51. Math

Find the domain and range y=x^2-3x+8. Explain how you found the domain and range.

asked by Alexandra on November 1, 2007
52. calc

let f(x)= -x^2 +3x on the interval [1,3] . Find the absolute maximum and absolute minimum of f(x) on this interval

asked by casey on November 5, 2009
53. algebra

Find an equivalent expression with the given denominator 4/n=?/n 2power. The expression that is equivalent to 4/n is

asked by Maria on June 17, 2011
54. Algebra

Use a commutative law to find an equivalent expression. st An equivalent expression of st is...........

asked by lobna on December 31, 2016
55. geometry

I need help on this question...please help. "The measures of two supplementary angles are 3x-12 and 4x-18.Find the measures of the angles.

asked by Katherine on August 28, 2012
56. math

Find the probability which odds in favor are given in problem. Odds in favor are 7 to 2. 1 0

asked by Anonymous on August 21, 2012
57. pre algebra

THe second of three numbers is 5 less than 4 times the first. The third is 9 less than twice the first. If 4 times the third os decreased by the first, the result is 6. find the three numbers.

asked by lexy1727 on November 28, 2010
58. Math/precal

Find the exact value of: (1-sin^2 pi/2)/(cos^2 28 degrees + sin^2 28 degrees)

asked by Maxx on March 16, 2016
59. trig

please help me. use trig. identities to find the exact value. tan 25° + tan 5° / 1- tan 25° tan 5°

asked by ann on April 30, 2010
60. Calculus

Let f(x)=-x^2+3x on the interval [1,3]. Find the absolute maximum and absolute minimum of f(x) on this interval.

asked by Anonymous on August 5, 2013
61. Calculus!!

Using the identity: L{f(t)/t}=integral F(p)dp (s -->infinity), find the integral of: sin(t)/t dt (0-->infinity)

asked by Sara on July 28, 2013
62. calculus

Find k such that the line is tangent to the graph of the function. Function Line f(x) = k√x y = 4x + 36

asked by vy on September 29, 2010
63. math

The midpoint of segment XY is (6, -3). The coordinates of one endpoint are X(-1, 8). Find the coordinates of endpoint Y.

asked by reaper on September 12, 2019
64. geometry

in a translation, how can you use the relationship between some points and their images to find the images of other points?

asked by susan on January 28, 2009
65. Precalculus

Let z and w be complex numbers such that |2z - w| = 25, |z + 2w| = 5, and |z + w| = 2. Find |z|. I need a little help with absolute values on complex numbers.

66. Algebra

Find an equation of the line having the given slope and containing the given point. M=4/5,(3,-1) The equation of the line is y=

asked by Pam on February 12, 2014
67. math

how do you show that lim((e^(h)-1)/h)=1 as h approches 0 given the series e^x= 1+x+(x^2/2!)+(x^3/3!)... And given F(x)=e^x how do you find the lim((f(x+h)-f(x))/h)as h approches 0

asked by alex on February 24, 2009
68. PreCal

sin theta=4/7, find the exact value of sin (theta+Pie/6)

asked by Sheridan on November 21, 2012
69. G.p.

The sum of three numbers in g.p. is 21 and the sum of their squares is 189. Find the numbers.

asked by Vijay on October 19, 2016
70. Math

Find the LCM of 11(s-3) and 33(s-3). LCM of 11 is 11*1 LCM of 33 is 3*11 LCM is 11*3*1=33 What do I do from here? I put down 33(s-3) was the answer but I don't think that is right. Thanks for your help.

asked by B.B. on May 16, 2010
71. Algebra

Find the equation of the line passing through (-5, -4) and parallel to the line passing through (-3,2) and (6,8)

asked by Pat on November 9, 2009
72. mth, trig

Given cos a=-7/25 in quadrant II , and sin b=-12/13, in quadrant IV , find cos(a+b) and sin2a

asked by shay on April 18, 2012
73. chemistry

Find volume (in ml) of 0.3 M solution of sodium chloride containing exactly 3.0g of sodium chloride.

asked by Allison on March 10, 2015
74. Geometry

One endpoint of a line segment is (8,-1). The point (5,-2) is one-third of the way from that endpoint to the other endpoint. Find the other endpoint.

asked by Jackie on October 1, 2011
75. Math Help

The measure of

asked by Cait on February 2, 2016
76. Trig

Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, find Sin(A-B).

77. maths

Given that the ellipse x^2/a^2 + y^2/b^2 =1 has foci at(+/-ae,0)where e is the eccentricity and b^2=a^2(1-e^2),find the coordinates of the foci and the value of e^2 for the ellipse X^2+4y^2 =16

asked by muzungu on February 27, 2012
78. geometry

find m

asked by lisa on July 15, 2011
79. math

Find a cubic polynomial p(x) so that the solution of p(x) ≤ 0 is [-2,1] or [4,∞). Is your polynomial the only one that gives this solution? Explain.

asked by Cat on March 8, 2017
80. mathematics

find the equatn of a circle with (a).centre (1,2) and radius 3.(b) centre (1,-3) and radius 2

asked by aminat on May 16, 2010
81. Math

The Perimeter of a right angled triangle is 40 CM. Find the area of the right angled triangle.

asked by Debasish on December 22, 2015
82. Discrete Mathematics

Find g := gcd(389,222) and a,b belongs to Z such that g = a.389 + b.222.

asked by Nisha on October 20, 2012
83. math

A rectangle has length (x-3) cm and width 4 cm. The perimeter of the rectangle is 40 cm. Find the length.

asked by Anonymous on May 18, 2016
84. Algebra

Find an equation of the line having the the given slope and containing the given point. M=4/5,(7,-4) The equation of the line is y=?

asked by Pam on February 13, 2014
85. geometry

if the measurement of angle fgk is 3y-4 and measurement of angle kgh is 2y+7 find x

asked by jenn on February 13, 2014
86. math

There are 10 batmans. the runs scored by the batmans are 1,2,3,4,5,6,7,8,9 and 10. Find the average scored bt them.

asked by Riya on April 11, 2015
87. Math 116a

Find the slope and the y intercept f(x)=-2x-10 I have the slope as -2 and the y intercept as (0,-10) I hope this is correct?

asked by Katie A on September 28, 2011
88. math

how to find the period of y = cos(6x)from your graph. what is the period of y=cos(6x) in radians?

asked by subash on April 8, 2010
89. math

Find the sales tax rate for each purchase. Purchase,\$25.79;Tax,\$1.29

asked by Ashley on October 4, 2010
90. Math

If the average of these four numbers is 21, find the missing number. 12, 18, 28, ? What is the missing number and why

asked by Anonymous on December 13, 2012
91. math

the sum of two numbers is 20.one number is 3 time the other number . find the two numbers?

asked by Jo on February 23, 2017
92. math

the perimeter of a rectangle is 8.0 cm. The width is 3/5 of the length. find the width and the length

asked by Anonymous on October 29, 2017
93. Math

For y=3 +7 cos 5 (theta - 28 degrees) Find y when theta=321 degrees

asked by Anonymous on September 22, 2014
94. math

You find 30 coins in your drawer. 20 % of the coins are nickels. How much money you have in nickels?

asked by Mely on September 5, 2010
95. Geometry

find m_DCB, given angles A and F are congruent, angles B and E are congruent, and m_CDE=26

asked by Lydia on July 18, 2011
96. math

what is the standard deviation of the numbers {78, 79, 81, 82, 85}. And can you tell me how i am supposed to find the standard deviation

asked by chase on November 8, 2008
97. math

how to find the period of y = cos(6x)from your graph. what is the period of y=cos(6x) in radians?

asked by subash on April 8, 2010
98. trig

please help me. use trig. identities to find the exact value. tan 25° + tan 5° / 1- tan 25° tan 5°

asked by ann on April 30, 2010
99. Math

Perimeter of rectangle = 2*l+b. Area = l*b. If l = 1m, b = 55cm. Find area and perimeter

asked by SAM on February 17, 2014
100. math homework

find a unit vector in the direction of u u = (-5, -12, 9) a. (-5, -12, 9) b. 1 / squareroot 26 (-5, -12, 9) c. squareroot 26 (-5, -12, 9 d. 1/ 5 squareroot 10 (-5, -12, 9) e. 1/ 5 squareroot 10 (5, 12, -9)

asked by lottie on August 30, 2016