# 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 642
1. ## chem lab

0.8100g MgO(s)(40.3g/mol) was reacted with 52.3 ml 1.00M HCl(density= 1.00g/ml) in the coffee cup calorimeter, and the observed temperature change was +10.4 degree Celsius. write the equation for this reaction, determine the limiting reactant and find

asked by mann on February 12, 2014
2. ## physics

A block of mass 1.4kg is placed on a rough surface. the coefficient of friction between the surfaces is 0.58. A constance force of magnitude 10N, making an angle of 37 degrees with the horizontal is acting on the block. the block is given an initial

asked by usha on September 10, 2011
3. ## 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
4. ## Algebra 2

A random sample of 5000 people was chosen for a survey. 54% of them said they didn't have children under 18 living at home. Find the 95% confidence interval. Round answer to 4 significant digits and give lowest and highest values of confidence Interval. I

asked by Anonymous on December 2, 2015
5. ## 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

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
7. ## 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
8. ## chemistry

A. Find and list all of the different half- cell combinations. Hint 15 combinations! 1. Copper/ Cu2+ 2. Lead/ Pb2+ 3. Magnesium/ Mg2+ 4. Zinc/ Zn2+ 5. Iron/Fe2+ 6. Aluminum/ Al3+ B. write the half reactions of each combination and the overall redox

asked by Chloe on May 8, 2013
9. ## Trigonometry

Help : To achieve similar weightlessness as NASA's centrifuge, ride the Gravitron at a carnival or fair. The Gravitron has a diameter of 14 meters and, in the first 20 seconds, it achieves zero gravity and the floor drops. Gravitron. If the gravitron

asked by Mags on October 4, 2009
10. ## Physics

A copper (shear modulus 4.2 x 1010 N/m2) cube, 0.331 m on a side, is subjected to two shearing forces, each of magnitude F = 2.17 x 10 6 N (see the drawing). Find the angle (in degrees), which is one measure of how the shape of the block has been altered

asked by Abigail on May 1, 2019
11. ## Math(statisc)

Select a variable (mean, proportion, variance or standard deviation) of interest to you and collect data consisting of at least 30 values. Define the variable. Define the population. Describe how the sample was selected. Use Microsoft Excel (and MegaStat

asked by ibrahim on April 3, 2011
12. ## 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
13. ## 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
14. ## 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
15. ## maths

Puzzle Here is a list showing the month and a number for each month. January 7110 February 826 March 5313 April 541 May 3513 June 4610 July 4710 August 681 Decipher the logic and find the number for September = ?

asked by aneesh on December 16, 2014
16. ## Final Project

I need to find 4 children songs/lyrics in between the copyright date of 2004-2009. I have search the Internet 4 days and I have no luck.I need 2 Spanishand 2 English version. Can someone help me please. I need this today.I have to have the name of the

asked by Cynthia on May 11, 2009
17. ## Rate Problem / College Algebra

Kim rowed 45mph Upstream. The next day she rowed the same distance Downstream taking her 4hrs less. If she can row 7mph in still water, find the speed of the current river. **Note: this question does not state how much time she's been rowing for. That's

asked by WhenSheSmiles on October 23, 2017
18. ## statistics

the assets (in billions of dollars)of the four wealthiest people in a particular country are 46,34,12,10. Assume that the samples of size 2 are randomly selected with replacement from this population of four values. After listing the possible sample and

asked by nannie on December 20, 2011
19. ## 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
20. ## 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
21. ## 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
22. ## 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
23. ## 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
24. ## 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.

25. ## 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

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
27. ## 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
28. ## 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
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. ## 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
31. ## 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
33. ## 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
34. ## math

find the area of the livingroom the room is 16 feet by 10 feet by 9 feet by 13 feet

asked by Anonymous on January 30, 2012
35. ## math

One-half of a number plus three-fourths of the number is 2 more than four-thirds of the number. find the number .

asked by paul on August 21, 2016
36. ## algebra

i have to find the slope and the y intercept i don't no how to do slopes f (x)=-5x-2 the slope is the y intercept is(0, )

asked by help on November 1, 2009
37. ## geometry

IF THE RADIUS OF THE SPHERE IS 26 UNITS AND THE RADIUS OF POINT R IS 26 UNITS FIND CR.

asked by Anonymous on March 8, 2011
38. ## Science,chemistry

The first ionization potential( EV) of Be and B respectively are????? Plz tell me how to find ionization potential of any element???????

asked by Hk on October 20, 2018
39. ## 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
40. ## Algebra 1

Find an equation of the line containing the given pair of points. (1/4,-1/2) and (3/4,5). What is the equation of the line? y= Thank you for all your help.

asked by Esther on January 26, 2011
41. ## 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
42. ## algebra

slope of 4 and y-intercept of (0,3) find slope-intercept equation that has same characteristics?

asked by lisa on September 10, 2008
43. ## math

Find the equation of the line with the following slope and y intercept. Slope = -3, y intercept = (0, 5)

asked by Jessica on October 14, 2007
44. ## 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.

45. ## Precalculus

Find the exact value of: Cos(inverse tan 4/3 + inverse cos 5/13)

asked by Thomas on April 21, 2014
46. ## maths

i have got to find the perimeter of a triangle that has one side of 8x-7w another that says 3x+9y and then another that says 3y+5w whats the perimeter of the triangle ??? please help

asked by sophie on January 21, 2011
47. ## Math - Sum of a Series

Find the sum of the series 23 + 18 + 13 + . . .+ (-82) A) -590 B) 590 C) -649 D) 649

asked by Robo123 on December 11, 2010
48. ## geometry

given H is the midpoint of GI. the length of GH is represented by 4x-5 and the length of HI is represented by 3x+20. find the value of x and the measures of GI, Gh, and HI.

asked by Anonymous on September 7, 2010
49. ## precalc

Find the indicated partial sum of the series. infinity E 3(1/2)^i i=1 third partial sum

asked by bbbb on November 11, 2010
50. ## Geometry

the measures of two complementary angles are 16z-9 and 4z+3. Find the measures of the angles.

asked by dennis on September 17, 2012
51. ## interesting log problem

log base 2n 1944 = log base n (486* (2)^1/2) find n^6

asked by maya on December 12, 2010
52. ## PreCalculas help

I really need help Find the equation of the hyperbola 1.Vertices(-4,0)(4,0) Asymptotes: y=1/3x, y=-1/3x 2.Vertices(-6,0)(6,0) Asymptotes: y=4/3x, y=-4/3x For the first one i got ((x-9)^2+y^2-(x+9)^2+y^2+16=0

asked by Ryan on December 7, 2015
53. ## algebra

Find the equation of the line With a slope of (-1/3) that goes through the point (2, -4) With a slope of 3 that goes through the point (-5, -1)

asked by Peter1 on January 14, 2009
54. ## 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
55. ## little

how do u find base times the height? You multiply the base and the height together.....

asked by bre on February 22, 2007
56. ## math

The sum of two numbers is equal to 63 and their difference is equal to 12. Find the numbers.

asked by annie on March 17, 2017
57. ## Math

Missing exponent of 1/169=(1/13) please explain how I can find the missing exponent

asked by Brian on December 15, 2015
58. ## 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
59. ## Geometry

Midpoint of segment UV is 5 + -11 the coordinates of one endpoint are you three and five find the coordinates of endpoint V

asked by Anonymous on September 1, 2016
60. ## 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
61. ## 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
62. ## algebra

Find the horizontal asymptote of the graph of y=-4x^6+6x+3 / 8x^6+9x+3 please explain i think there is no horizontal asymptote

asked by lee on January 30, 2013
63. ## Tilili

Let Vector "A" Cross With Vector "B" Equal To Ten,then Find (A+B) Cross With (A-B) ?

asked by Dereje on December 13, 2015
64. ## Calculus

Find the indicated one sided limits of f. f(x)= (x^2+8)/(x^2-25) what is the limit as x goes to -5+(from the right side)? What is the limit as x goes to 5+(from the right side?

asked by Anonymous on January 25, 2013
65. ## Math

The shopkeeper has 75 3/4 kg of sugar and sold 1/4 of it, find the amount of sugar sold.

asked by Deepak on April 27, 2018
66. ## Maths

The differencein the measures of 2 complementary angles is 18.Find the measures of angles.

asked by anonymus on December 2, 2011
67. ## 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
68. ## geometry

Y is a point on HR with HO=(19x) miles and OR=48 miles. If HR=(27x) miles, find HO (in miles)

asked by sam on September 16, 2012

Find the equation of the line With a slope of (-1/3) that goes through the point (2, -4) With a slope of 3 that goes through the point (-5, -1)

asked by kate on January 14, 2009
70. ## algebra

A number is double of another number.If the difference of the number is twenty, find the number.

asked by pranjita on November 23, 2016
71. ## 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
72. ## Calc

Let ∫-7to-1 f(x)dx=9,∫-7to-5f(x)dx=9,∫-3to-1f9x)dx=10. Find ∫-5to-3 f(x)dx=? and ∫-3to-5 (9f(x)-9)dx=?

asked by Anon. on June 20, 2013
73. ## 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
74. ## maths

The sum of two numbers Is 31.2/3 of one number is eaual to 5/8 of the other number.find the numbers

asked by mma on September 4, 2016
75. ## Pre-Calculus

Given cos A = -3/5, π

asked by Anonymous on October 24, 2018
76. ## Geometry again

Find the measure of angle T if the measure of angle T is 20 more than 4 times its supplement.

asked by Monique N. on September 27, 2009
77. ## 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
78. ## 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
79. ## mathematics

The HCF of 2 no. Is 1/28 of their LCM.The sum of the HCF and the LCM is 116.If one of the no. Is 16 , find the other.

asked by nitya on July 30, 2014
80. ## Algebra

I have the equation 5x + 3y = -2 and I am asked to find the rate of change. Is the rate of change -5/3?

asked by Anonymous on January 2, 2014
81. ## math

How do you find the sum of the mode from each set of data? Set A: ( 4,9,7,2,4 ) Set B: ( 11,6,4,6,2 ) Set C: ( -3,2,9,-3,-3)

asked by Allison on April 23, 2014
82. ## Algebra

Use the rational zero theorem to find all rational zeros, and use those zeros to write f(x) = 2x^4-x^3-9x^2+4x+4

asked by Arneta on October 10, 2015
83. ## Algebra I

Did I do these probelms correctly? Find the intercepts 1. y^2 = x^2 - 4x y^2 = x(x - 4) Y intercepts y^2 = 0(0 - 4) (0,0) x intercepts 0 = x(x - 4) 0 = x - 4 4 = x (4,0) 2. y = (x (x + 3))/(3x + 1)^2 y intercetps y = (0(0 + 3))/(3(0) +1)^2 y = 3/1 (0,3) x

asked by Kate on July 21, 2010
84. ## algebra II

Find the equation of the line With a slope of (-1/3) that goes through the point (2, -4) With a slope of 3 that goes through the point (-5, -1)

asked by kate on January 14, 2009
85. ## Math

How to find the decimal equivalent of the mixed number and the mixed number is 4 2/5

asked by Suzie on April 26, 2008
86. ## 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
87. ## 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
88. ## 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
89. ## 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 Mark on May 31, 2015
90. ## math

Find the exact value of the expression. cos(π/16)cos(3π/16) − sin(π/16) sin(3π/16)

asked by Stella on June 10, 2018
91. ## 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
92. ## Re

i need to find eveidence of 3 things that jesus did and 3 things jesus didn`t do. thanks!

asked by david on September 22, 2008
93. ## 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
94. ## competition

if means '¡Á' ,'q' means'-' , 'r' means ' ' 's' means '¡' then find the values of the following expression. 16s64q2p5r10

asked by sagar on November 28, 2014
95. ## 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
96. ## algebra

I am having trouble with the following : find the slope and the y intercept of the line 7x=6y+12. I have the slope as 3 and the y intercept (0,3)

asked by Marla on September 12, 2010
97. ## geometry

the #'s given are the coordinates of two points on a # line. find the distance between the two points. -3 and 5 what is the distance between these

asked by taz manian on September 22, 2008
98. ## 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
99. ## Math

find all the other zeroes of the polynomial x^4+4x^3-4x^2-32x-32 if two of its zeroes are 2 root 2 and -2 root 2

asked by Prithvi on April 9, 2016
100. ## Algebra

Find an equation of the line having the given slope and containing the given point. m=7/8, (5,-6) The equation of the line is y=?

asked by Ann on May 24, 2011