# 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

92,404 questions, page 364
1. ## chemistry

You find the Ka of your unknown acid is 6.3x10 -5 . If you are being asked to make a buffer at pH 4.00, what is the appropriate ratio of A- to HA to be combined in your flask?

asked by anon on March 31, 2015
2. ## maths

the radius of a circle is 8cm and the length of one of its chords is 12cm. find the distance of the chord from the centre

asked by sushma on February 23, 2012
3. ## precalculus

Find cos(t) where the terminal ray of the angle t radians in standard position passes though the point (-4,-3).

asked by marie darling on April 9, 2013
4. ## math- Algebra 2

I have absolutely no idea how to do this please help! Find the sum: it has the sigma sign with 12 at the top, (10k-8)(6k+7) in the middle and k=1 at the bottom

asked by Anonymous on November 1, 2009
5. ## History

Kaii im doing this project on Orlando, Vittorio Emanuele.. and well i need to no what was his place in the wor.. but i looked everywhere and just cant seem to find itt... !

asked by Chanel on November 5, 2007
6. ## Physics

a man walks 10km towards west and then 15 km towards south. Find the resultant vectors, magnitude and direction.

asked by Faheem on September 11, 2011
7. ## maths

find the are of the field whos sides hace semicircular flowerbeds with diameter 42cm and 30cm

asked by r usha on January 25, 2018

asked by Amber on December 16, 2010
9. ## History Civil War

I need help to find a picture of Colonel Charles Colcock, a Confederate General at the battle at Honey Hill S.C.

asked by John on February 17, 2008
10. ## Maths: Intergration

The curve with equation y = ax^2 + bx + c passes through the points P(2,6) abd Q(3,16), and has a gradient of 7 at the point P. Find the values of the constants a,b and c. Thanks!

asked by Anonymous on February 16, 2009
11. ## Trig

Find the point on the terminal side of θ = three pi divided by four that has a y coordinate of 1. Show your work for full credit.

asked by Mitchel on January 20, 2013
12. ## geometry

I need help on a question that wants me to find x and y on a 45-45-90 triangle they only give me one side wich is three.I already solved for x which is three root two over two...Is that right? I don't know how to solve for y... Please someone help me....:(

asked by ian on January 20, 2013
13. ## math

1.Find the five-number summary of the following set of numbers.0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27 Is this what you are after? http://en.wikipedia.org/wiki/Five-number_summary Thank you! :-)

asked by Glenda on July 27, 2007
14. ## Math

Simplify 25a³b - 10a²b³ + 19b² -10a³b + 30a²b³ - 29b² and factor. I got 5b( 3a^3 - 2b + 4a^2b) But how do I find the GFC?

asked by Anonymous on November 28, 2014
15. ## Algebra I

Use A = P(1+r)^t to find the interest rate. \$2000 grows to \$2420 in 2 years. I have no idea how to go about this problem! Your help is appreciated. Thank you!!

asked by Faith on May 11, 2009
16. ## math

If the area of rectangle is 24 sqm and its perimeter 20 m.Fram the quadratic equation find lenght and breath.

asked by poonam on November 7, 2016
17. ## Math

3) Find the area bounded by the curves f(x)= x^3 + x^2 and g(x)= 2x^2 + 2x. I get 4653pi/105 after help from Mr. Reiny, but this is wrong. Have I calculated incorrectly? Thank you

asked by Hannah on May 22, 2013
18. ## Cal 3

Find critical points for f(x,y)= x^3+y^3-15x^2-6xy+18y^2+39x+138y I know you first take the partial derivative of x and y, but I am not sure where to go from there.

asked by Erica on December 6, 2016
19. ## Physics

consider a pair of planets that find that the distance between then is decreased by a factor of 5. Show that the force between them becomes 25 times as strong.

asked by Me on April 2, 2010
20. ## Math

Find the average speed for the journey: jonas drives 70km in 45 min and then another 120km in 1 hour.

asked by Ephraim on June 8, 2008
21. ## geometry

the hypotenuse of a triangle is 24 ft. long. the lenght of one leg is 6ft. more tha the other. Find the lengths of the legs.

asked by Anonymous on November 23, 2010
22. ## Calculus

Find the volume of the solid generated by revolving the region enclosed in the triangle with vertices (4.6,4.6), (4.6,0), (6.7,4.6) about the x-axis.

asked by George on September 16, 2008
23. ## geometry

A sign is in the shape of a rhombus with a 60° angle and sides of 9 cm long. Find its area to the nearest tenth

asked by Anonymous on July 12, 2011
24. ## math

Show how to find the prime factorization for a different number between 20 and 200. (I just need help figuring this out because i dont know these steps) Plz and thank u

asked by kaleb on September 12, 2018
25. ## algebra

can u explain this more clearly?? i need help and im confused how do i find the length of a rectangle when the area is (R cubed-24R-5) cm sqaured and the width is (R-5)cm ??? how would i be able to get (r^2+5r+1)

asked by michelle on December 29, 2009
26. ## Calculus

3) Find the area bounded by the curves f(x)= x^3 + x^2 and g(x)= 2x^2 + 2x. I get 4653pi/105 after help from Mr. Reiny, but this is wrong. Have I calculated incorrectly? Thank you

asked by Hannah on May 22, 2013
27. ## algebra

A traveler required a total of 12 h on the round trip, averaging 20mi/h and 30 mi/h. Find a time in hours going using a T for this.

asked by ER on November 29, 2014
28. ## Geometry

Find the area of a square with side length 13 ft A. 676 ft^2 B. 169 ft^2 C. 338 ft^2 D. 343 ft^2 There is no picture with this...

asked by null.&.void on November 12, 2015
29. ## chemistry

if from 3moles MgSO4.7H2O all the 'o' atoms are taken out and converted into ozone, find the number of O3 molecules formed.

asked by shish on June 17, 2014
30. ## Algebra

Find a rational function that satisfies the given conditions. Vertical asymptotes x=-2,x=7 Horizontal asymptote y=7/2 ​x-intercept ​(−5​, ​0)

asked by Kristina on December 6, 2016
31. ## Indices

P=(64)^-2 Q=1/16^(1/3) R=8root2 Express pqr as a power of 4 P=4^(-6) Q=4^(-2/3) R= ???????? How can i find R? *please show me the method for future reference* Thankyou

asked by Anonymous on September 29, 2015
32. ## calculus

Find the local max/min values of f using botht the first and second derivatie test. I can do the first but I am having trouble with the second derivative. f(x)= x/(x^2+4) Help please...Thank you.

asked by linda on October 25, 2011
33. ## calculus

Use implicit differentiation to find an equation of the tangent line to the curve 3xy^3+4xy=63 at the point (9,1)(9,1).

asked by gloria on January 25, 2017
34. ## precalc

Find the area of a sector and arc length whose central angle is 0.5 radians and a radius of 10 inches.

asked by Andy G on April 29, 2014
35. ## physics

Find the power delivered to an element at t=3 ms if the current entering its positive terminal is i=5cos60πt A and the voltage is V=3 di/dt

asked by natasha on January 17, 2017
36. ## Science

does anyone have information on disorders related to carbohydrates such as lactose intolerance, diabeted or hypoglycemia or know where i could find something that explans this well to me

asked by alley on September 1, 2007
37. ## Statistics

For a set of data with mean 12 and variance 9, approsimately 68% of the values will fall between 6 to 18. Is the true or false and how do you find the answere?

asked by Belinda on April 7, 2011
38. ## Geometry

Find the perimeter of the polygon with vertices of A(0, 0), B(4, 0) and C(2, 3). Round to the nearest tenth. Just enter one number as your answer Can you please help me

39. ## science

Does anyone know a good website to find a picture of a complete skeleton with the names of the boneS? It would be greatly appreciated.

asked by Kay on September 1, 2008
40. ## AP Calc BC

Hi! Thank you for your help How do you find the antiderivative of 2/((x^2)+1) "two over (x squared plus one)" I think I have to do integration by partial fractions but I didn't figure it out...assistance is much appreciated Thank you very much

asked by APpreciative student on November 29, 2010
41. ## Math

Given P (x) = x-1/ 2x-3, Find P (-2) The notation P(-2) for your given P(x) means that wherever you see an x, replace it with -2, then evaluate so P(-2) = (-2-1)/-4-3) = -3/-7 = 3/7 (The way you wrote your expression, according to the order of operation,

asked by Nicole Maberry on July 24, 2007
42. ## Calculus

Find two non-intersecting intervals where f(x) +12x^4 + 50x^3 + 80x^2-100 has at least one root. Justify your answer.

asked by MArc on January 24, 2017
43. ## maths

two cord /AB/ 10cm and /CD/ 8cm are of a circle of radius 12cm find the distance of each of the chord from the centre

asked by chord properties of a circle on May 12, 2019
44. ## math

the pea data is;2,3,4,5,6 and the frequency is ; 7,9,5,3,1 find the mean, median, mode and midrange number of peas per pod

asked by rita on April 7, 2011
45. ## chemistry

A 5 liter vessel contains 2g of hydrogen and 28g of nitrogen at 27c. Find the total pressure of the mixture?

asked by mirza on July 2, 2013
46. ## Calculus 1

Use implicit differentiation to find an equation of the tangent line to the curve at the given point. x^2/3 +y^2/3 =4 (-3sqrt(3),1) (astroid)

asked by TayB on September 29, 2015
47. ## Calculus 1

Use implicit differentiation to find an equation of the tangent line to the curve at the given point. x^2+2xy-y^2+x=6 , (2,4) (hyperbola)

asked by TayB on September 29, 2015
48. ## maths

find the amount and the compoud interest on r 12800 for 1year at 15/2% per annum, compounded semi- annually.

asked by compound interest on September 29, 2015
49. ## American history

I need to answer questions about the woman in the crimson rambler and can not find any info on who she is to research her ??? Any ideas please desperate!!

asked by Jessica on October 25, 2012
50. ## maths

please help find the general solution of the following first order differential equation. dx/dt = tx + 6t(exp)-t^2 pls show working

asked by micheal on October 26, 2011
51. ## algebra

for a person 6 feet tall who weighs 200 pounds, find the value for k in the equation w = kh to the 3rd power

asked by Jeff on January 5, 2011
52. ## math

Find the slant height of the cone given that the surface area is 12.76 m square and the diameter is 2500 mm. (1m=1000mm)

asked by charlene on June 10, 2013
53. ## Calculus

Find the volume of the solid obtained by rotating the region under the graph of f(x)= 9-x^2 for 0

asked by Rucha on November 8, 2015
54. ## math

A quantity x varies directly with the cube of y and inversely with the square root of z. If x = 457.33333333333 when y = 7 and z = 9, find x when y = 6 and z = 4.

asked by gigi on August 11, 2017
55. ## math

Find the critical value for the hypothesis test, given the following. (Give your answer correct to two decimal places.) Ha: ó1 > ó2, with n1 = 8, n2 = 10, and á = 0.025 F = 2.24 is what I got.

asked by Tracy on June 29, 2013
56. ## Math

A 90 N boy is hanging on a rope that extends between two poles. Find the tension of the 2 ropes. The angles were 5 and 10 degrees

asked by Ej on October 11, 2017
57. ## calculus

Use implicit differentiation to find an equation of the tangent line to the curve at the given point. x2 + 2xy − y2 + x = 17, (3, 5) (hyperbola)

asked by kela on November 2, 2012
58. ## Finance/ MAth

find the balance after 15 years of a \$2500 investment earning 5.5% interest compounded continuously Someone show me how to do this, please?!

asked by tabby on April 19, 2012
59. ## statistic check

Find the critical value for the hypothesis test, given the following. (Give your answer correct to two decimal places.) Ha: ó1 > ó2, with n1 = 8, n2 = 10, and á = 0.025 F = 2.60 is what I got.

asked by Tracy on June 29, 2013
60. ## mathematics

a classroom is 11m long and 8m wide and 5m height .find the sum of area of its floor and the four wall.

asked by kora mosu on December 4, 2016
61. ## trig

Find the angle between 0 and 2pi that is coterminal with negative one half pi; expressing the answer in radians in terms of pi.

asked by Jay on May 19, 2011
62. ## Discrete Math

Find z so that 5% of the area under the standard normal curve lies to the right of z. the answer according to the book is 1.645, anyone got any ideas on how to get this?

asked by Jessica on January 21, 2013
63. ## math

am having prob..wv zs numb..given that f(x)=x+6/2x,find f(4) and f inverse(x) am not sure abt the answer the frst 1,i get 1.25 and the second oneeee i dnt knw hw to do it

asked by pallaa on September 16, 2008
64. ## History

Hi, i am doing a essay on the Royal Commission on the status of women, Canada. Could you help me find helpful info on this topic. Thanks again:)

asked by Sabrina on June 3, 2008
65. ## Math

Find the area of the shaded region to the nearest tenth. *I don’t know how to add pictures but I’m really suck on this one

asked by Lith on August 21, 2018
66. ## college algebra

given function f(X)=X^3+3x findthe rate of change between the two stated values for x:1 to 2 find the equation of a secant line (1,f(1)and(2,f(2))

asked by zachary on November 2, 2012
67. ## Math

Search: Side of a rectangle is in the ratio 1:1√2 if the length of the larger sides is 12cm then find its area

asked by Basheera on December 4, 2016
68. ## MATH

1.The point P divides the interval joining A(-1,-2) to B(9,3) internally in the ratio 4:1. Find the coordinates of P. 2. Solve. 4-x/x2

asked by Anonymous on June 29, 2013
69. ## physics

a body travels from rest with acceleration 8ms find its velocity when it has covered a distance of 100m

asked by ezekel ayuba on November 8, 2015
70. ## Math

Find the quotient a^2x^3 + (5a^2b+ab)x^2 + (ab^3+5ab^2)x + b^4 divided by ax + b ^ symbolize power so a^2x^3 means a squared times x cubed.

asked by Joe on August 5, 2011
71. ## Calculus

Find an expression for the function whose graph is the given curve. The top half of the circle x^2 + (y-2)^2 = 4 Please Help. I don't even know where to start.

asked by Chelsea on September 14, 2010
72. ## statistics

suppose x is a uniform random variable with c=40 ana d= 70 find the probability that a randomly selected observation is between 43 and 65

asked by Anonymous on November 7, 2011
73. ## physics

find the total mechanical energy of a mass-spring system with m=1.24 kg and maximum speed 0.670 m/s

asked by Brittanie on November 7, 2011
74. ## math (2)

Find the area of the shaded region y= 2x/(x^2+4) from x= -2 and x= 2 Note: People have been telling me that the two lines do not intersect but they do there has to be an answer. please help me. Thanks

asked by Mia on April 27, 2014
75. ## algebra

I need some help with some algebra problems please. I don't under stand how to do that following. Find and simplify the difference quotient f(x+h) -f(x)/h, h cannot equal 0 for the given function. 1. f(x)=5x^2 2. f(x)x^2+3x+9

asked by Nicole on August 30, 2007
76. ## math

A cable weighing 2 lb/ft is 16 ft long. If a 20-lb weight is attached to the end, find the work done in winding up the chain.

asked by Tony on April 18, 2012
77. ## Math

in the triangle the length of sode a is 5ft, and m angle a =60 degrees. find the exact lengths of sides b and c

asked by Benji on March 2, 2018
78. ## Algebra

How do you find the missing side length of a right angle triangle with the height of 8ft and the base of 6 feet?

asked by CarpeDiem on November 11, 2015
79. ## physics

A20 kg box is suspended from the ceiling by robe that weight of the rope is 1kg find the tension

asked by natnael on May 8, 2013
80. ## Calculus

Find the length of the entire perimeter of the region inside r=15sin(theta) but outside r=1. I am not sure how to start the problem

asked by Susan on December 12, 2014
81. ## Urinalysis: URGENT DUE TOMORROW

If the process of ion attraction within the nephron is not functioning properly what would you expect to find in the blood and urine?

asked by Moles on May 6, 2008
82. ## DUE AT MIDNIGHT: HELP ME!!

If the process of ion attraction within the nephron is not functioning properly what would you expect to find in the blood and urine?

asked by My on May 7, 2008
83. ## Pre-Cal.

find the domain, range and the asymptote(s), of each function on the same coordinates plane for this equation... f(x)= 3+ lnx and graph them.

asked by phyllys on January 5, 2013
84. ## maths

find the general solution of the following first order differential equation. dx/dt = t*x + 6*t(exp)-t^2 pls show working

asked by micheal on October 26, 2011
85. ## Calc

Find an expression for the function whose graph is the given curve. The top half of the circle x^2 + (y-2)^2 = 4 Please Help. I don't even know where to start.

asked by Chelsea on September 14, 2010
86. ## DUE AT MIDNIGHT: HELP ME!!

If the process of ion attraction within the nephron is not functioning properly what would you expect to find in the blood and urine?

asked by My on May 7, 2008
87. ## Math

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = (64 − x^2)^(1/4), y = 0, x = 6, x = 7; about the x-axis

asked by Em on January 21, 2013
88. ## Math

A man sold two cycles for Rs.3000 each gaining 20% on the other.Find his gain or loss percentages on the whole transaction

asked by Jaswanth on January 23, 2017
89. ## Calculus

Find the derivative of y with the respect to x: y=sin‾²(x³) y'=cos‾²(x³)(3x²) y'=3x²cos‾²(x³) How come my answer is incorrect? Thanks in advance.

asked by sh on March 21, 2010
90. ## algebra

The following equation is used to find c, the total cost for printing a quantity of high school yearbooks, b. c=5b+200

asked by Luis on June 12, 2014
91. ## math

In an examination,Dada scored x% in maths,50% in science and 70% in English studies.if his mean score for the three subject was 55%, find x

asked by victoria on November 6, 2016
92. ## maths

if area of rectangle is120/49cmsq and one of its sides is10/7cm,find the length of other side.

93. ## Calculus

Find the volume or the solid generated by revolving around the region bounded by the graphs of the equations about line x=6. xy=6, y=2, y=6, and x=6

asked by Christina on May 28, 2012
94. ## Geometry

In triangle ABC, BC = 20sqrt3 and angle C = 30 degrees. Let the perpendicular bisector of BC intersect BC and AC at D and E respectively. Find the length of E.

asked by JulieJones on June 5, 2015
95. ## physics

An object is dropped from rest at a height of 112 m. Find the distance it falls during its final second in the air. m

asked by Anonymous on September 23, 2015
96. ## Math

Find the smallest positive integer n such that the equation 455x+1547y=50,000+n has a solution (x,y) where both x and y are integers

97. ## history

i need to find out about george stephenson. who he was , date of birth why he was famous and when he died. does anyone know any good websites . thankyou.

asked by nikola on January 15, 2009
98. ## Trigonometry

Suppose the angle formed by the line 14y = 23x and the positive x-axis is è. Find the tangent of è.

asked by Mike on January 31, 2011
99. ## algebra

Ok so ive gotten this far on finding the points of (2004, 3370) and (2007, 3552) can someone help me find out the equation in y=mx+b form please

asked by mikey on September 21, 2008
100. ## geometry

Find the surface area of the solid. A right triangular prism with base edges of lengths 6, 8, and 10 and height 2

asked by Gabby on July 28, 2009