# 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 275
1. ## mathematics

given tanθ= -2√10/3 and π/2

asked by Yuli on November 21, 2011
2. ## Pre Calculus

find the real zeros of the polynomial: P(x) = 24x^3 - 76x^2 + 2

asked by Shellie on July 21, 2009
3. ## math

in rhombus ABCD AC=16cm, AB=10cm, find its area

asked by harkomal singh on August 27, 2016
4. ## basic calculus

find a appropriate formula for the area of a narrow circular ring

asked by elijeh on January 31, 2017
5. ## Math

How do you find the exact value of: 4sin 60degrees - 3tan 135degrees

asked by Megan on January 10, 2012
6. ## math

find the exact value of cos(-pie/3)+ sin (-7pie/4)

asked by pete on July 21, 2009
7. ## Math

Use the half formula to find the exact value of the expression sin 22.5

asked by Cassie on November 19, 2007
8. ## Calculus

Find the magnitude and direction angle of p=42i+35j

asked by Elise on February 4, 2017
9. ## trig

find the remaining 5 trigometric functions of x cos x = 1/5, x in quadrant 1

asked by rica on November 4, 2009
10. ## Chemistry

Find the concentrations of all species in a 0.10mol/l solution of NaOH

asked by Buck on May 31, 2016
11. ## Calculus

Find all points at which the graph of f (x) = x^3 −3x has horizontal tangent lines.

asked by Katrina on August 23, 2011
12. ## maths

find the mean number of heads in 3 tosses of a fair coin?

asked by Anonymous on February 3, 2013
13. ## math

Solve variation problem if m varies jointly as z and p, and m=10 when z=2 and p=7.5, find m when z=5 and p=7

asked by Anne on February 24, 2012
14. ## Trigonometry

The perimeter of an isosceles triangle is 6.6824. find its area.

asked by Roy on September 8, 2012
15. ## Polynomial

Find all real zeros for each equation. 1. f(x)=x^3-3x^2-4x 2. f(x)= x^6-x^2 3. f(x)=x^3+3x^2-16x-48 4. f(x)=9x^4-37x^2+4

asked by Pre-Calc on November 17, 2015
16. ## calculus

find the general solution to the differential equation. dy/dx=secxtanx-e^x

asked by Anonymous on February 25, 2011
17. ## Math

find breaking the numbers down to their prime factors ∛512

asked by donda on August 26, 2016
18. ## algebra

z varies jointly with y and the square of x. If x=-2 when y=7 and z=-84,find x when z=-96 and y=2 I just need help figuring out what equation to use.

asked by brandy on March 11, 2017
19. ## Algebra

Find all numbers for which the rational expression is undefined? 3/9w+7 Can someone help me figure this out?

asked by Noah on February 3, 2008
20. ## calculus

find the work done in winding up a 175 ft cable that weighs 4.00 lb/ft?

asked by seth on November 28, 2011
21. ## Math

Can you help me with this problem Find the inverses of each of the functions below algebraically. a.p(r)=2r2+2r−1 b.3y+5x=18

asked by Tomar on January 16, 2016
22. ## MATHS

Q) Find the coordinates of the centre of a circle that passes through points (7,2), (2,3), and (-4,-1)

asked by OWNF on February 24, 2017
23. ## maths

Find two natural numbers in ratio 5:7 such that their lives. L C.m. is 210

asked by sanjay on February 3, 2017
24. ## algebra

Essay. Show all work. Find the quotient. 49a^2-b^2 --------- 7a-b

asked by shay on July 21, 2011
25. ## statistics

Find the range and the variance (correct to one decimal place). 78,91,93,93,99

asked by Anonymous on August 25, 2011
26. ## math

In right triangle ABC,BC=8cm and AC=17cm.Find the value of sin C

asked by kim on January 13, 2016
27. ## Calculus

Find the area in the second quadrant bounded by the x-axis and f(x)=sqrt((x^3/8)+1)

asked by Hannah on February 26, 2011
28. ## Math

21x + 6= 17x - 26 find x. I keep getting 8 but it isn't the correct answer.

asked by Vanessa on November 23, 2011
29. ## trig

Use a half-angle formula to find the exact value of cos 5ð/12

asked by Steve on December 16, 2009
30. ## Math

Find two numbers a and b whose sum a+b is -1 and whose difference a−b is 5. I do not understand the question

asked by Nathan on February 22, 2017
31. ## math

7x + 5 8x + 9 find the value of x so that both the sum of the equations equal 180 when added together.

asked by sierra on May 25, 2016

I need to find the equations of the following, using Ó (and the n=1 which is at the bottom of the Ó) (and infinity is at the top of the Ó) 1) 5/1 + 8/1 + 1/1 + 14/1 + . . . 2) 6/5 + 9/8 + 14/11 + 21/14 + . . . 3) -6/3 - 4/4 - 2/5 - 0 + . . . 4) 9/1 +

asked by Janet on March 29, 2009
33. ## Geometry

Find the perimeter of a square with sides 10 feet long?

asked by Meghan on September 6, 2012
34. ## Math

Use fraction strips to find each sum or difference. Simplify if possible. 2 1/3 + 1 2/3 3 5/6 + 4 3/6 4 6/10+ 5 7/10 1 1/6 + 3 5/6 2 4/9 + 6 7/9

asked by Robert on January 31, 2013
35. ## Math

Consider an account with an APR of 8.5%. Find the APY with daily compounding.

asked by Nate on August 30, 2016
36. ## math

A rectangle has sides of 4x – 4 and 8x + 10. Find the expression that represents its perimeter

asked by Kara on January 30, 2008
37. ## science

i need to find a website that has a picture of hafnium lamp filaments

asked by dylan on February 20, 2012
38. ## Math

Given P(A) = .70, P(B) = .30, and P(A ∩ B) = .00, find (a) P(A ∪ B) and (b) P(A | B). (c) Sketch a Venn diagram and describe it in words

asked by James on January 8, 2012
39. ## trig

find sin of theta if cos is less than 0 and cot equals 3

asked by Kenzie on November 27, 2011
40. ## calculus

If f(x)=x^3. Yhe equation of the tangent line to f(x) at x=4 is y=? Using this, we find our approximation for 3.8^3 is ?

asked by Jenny on November 5, 2009
41. ## Math

Triangle NPQ has q= 95 miles, P = 76 degrees, and Q= 103degrees. Find n.

asked by Kate on November 27, 2011
42. ## math-calc

function f(x)=3x^2-2x-1 find equation of the line that is tangent and parallel to 8x-2y+12=0

asked by shakira on February 27, 2011
43. ## math

write 6/20 in simplest form and find an equivalent decimal?

asked by ryan on March 18, 2011
44. ## geometry

this one is killing me for some reason: Find any of the values of k so that (-3, 4), (-8,5), and (-5, k) are the verticles of a right traingle.

asked by Lydia on July 21, 2011

Find a rule that gives the third number from the first two numbers. Fill in the blanks.....10, 4, 5, ? 15, 7,7, ? 19,9,?

asked by Kristin on March 17, 2011
46. ## Calculus

Use implicit differentiation to find the second derivative: 2xy^2=4 (nothing is in parenthesis)

asked by Tiffany on October 11, 2009
47. ## C s s oberkom

Find the frequency and period of a spring that makses 60 revolutions in a 10 second

asked by Favour on January 14, 2016
48. ## Algebra

Find the perimeter and area of a rectangle with a width of 2√7 - 2√5 and a length of 3√7 + 3√5

asked by M on May 21, 2015
49. ## math

Find the exact circumference of a circle with diameter equal to 8 ft.

asked by lisa on January 15, 2012
50. ## Algebra

Find the perimeter of the triangle whose vertices are the following specified points in the plane (-2,-7) (1,-6) and (-7,7)

asked by Student on January 13, 2016
51. ## Geometry-8th gr

IF 3a =2b and 4b=9c, find the ratio of a to c in simplest form and show steps.

asked by Mona on January 31, 2013
52. ## jkuat

find log30 if log2=0.301 and log3=o.477

asked by karl on October 5, 2016
53. ## math

find the veretx, the line of symmetry, and the maximuym or minimum value of f(x)=-(x-8)^2-2 Help

asked by Allison A on November 24, 2011
54. ## Math

Scary guy is going to use 22/7 to find the exact circumference. He is wrong. Why?

asked by Miracle on May 24, 2016
55. ## Math

Find the perimeter of the equilateral triangle whose side 3x square +4x +8

asked by Navinkumar on July 19, 2017
56. ## geometry

Isosceles trapezoid ABCD has legs AB and CD and base BC If AB = 7y – 4, BC = 4y – 6, and CD = 8y – 18, find the value of y.

asked by Ryan on November 25, 2011
57. ## Differential equation- Math

Find the general solution of the following system of equation? Please help, i don't know what to do... dx/dt = 3x +2y +2z dy/dt = -5x - 4y - 2z dz/dt = 5x + 5y +3z.

asked by katie on March 17, 2011
58. ## Physics

Find the pressure at the bottom of a swimming pool that is 1.1 m deep.

asked by m on November 19, 2015
59. ## maths

the circumference of a circle 314cm find the radius and the area

asked by aisha on January 3, 2013
60. ## simultaneous-equation help am despirate

find the value of x,yandz in the system equation 2x+y-z=8 x^2-y^2+2z^2=14 3x^3+4y^3+z^3=195 step please thanks

asked by dam on May 24, 2016
61. ## geometry

Find values of x and y for which ABCD must be a parallelogram. The diagram is not to scale. 2x-2 y+24 5y-8 x+2

asked by Ryan on November 24, 2011
62. ## Precalc

find the following limit lim n->infinity 2+5n+4n^4/2n show steps please

asked by 95 on January 14, 2012
63. ## calculus

find the area of the parallelogram that has vectors as adjacent sides u = -2i +j +5k v = 4i -3j -3k

asked by jameson on August 30, 2016
64. ## Geomtric Series

I need to find the equations of the following, using Σ (and the n=1 which is at the bottom of the Σ) (and infinity is at the top of the Σ) 1) 5/1 + 8/1 + 1/1 + 14/1 + . . . 2) 6/5 + 9/8 + 14/11 + 21/14 + . . . 3) -6/3 - 4/4 - 2/5 - 0 + . . . 4) 9/1 +

asked by Janet on March 29, 2009
65. ## math

Find two consecutive positive integers whose product is 132.

asked by LP on January 3, 2013
66. ## Algebra

Very confused, and in need of help! I got 10 problems like this...Thanks! Let f(x) = 6/x-1 and g(x)= 1+3/x Please find the composite function (fog)(x)

asked by Crystal on June 26, 2009
67. ## Maths

Find the nine values for x ( in radians) with 0=/< x

asked by 07 on March 17, 2011
68. ## Calculus 1

Find the local maximum and minimum for the function f(x)=2x^3-3x^2-120x+10

asked by TayB on November 19, 2015

In triangle ABC, centroid D is on median line. AD=x+4 and DM=2x-4. Find AM

asked by Anonymous on November 5, 2009
70. ## math

Find the slope if it exists of the lie containing the pair of points (-7,-11) and (-9,-17)

asked by Joslyn on January 13, 2012
71. ## college elg

the function f(x)=6x+9/3x-7 find inverse and check it f^-1(x)=? please show work

asked by MYA on September 5, 2012
72. ## Maths Profit and Loss

Oranges are bought at 6 for Rs 10 and sold at 4 for Rs 9. Find the gain% or loss%.

asked by Vivek on August 19, 2016
73. ## chemistry

If hydrated sodium carbonate contains 6.0 g of carbon, find its mass.

asked by krystal on February 19, 2012
74. ## precalc

Use the equation 〖(y+2)〗^2/4-((〖x+3)〗^2)/49=1 to find the following: a. center: b. vertices: c. foci: d. graph:

asked by lisa on October 5, 2016
75. ## PHYSICS

Find the electrical force that exist between two particles having 6.0 mC and 18 nC when they are 0.5cm apart

asked by Mervin on January 4, 2013
76. ## math

The sum of the squares of two positive consecutive is 41. Find the integers.

asked by LP on January 3, 2013
77. ## Algebra

A is the point (4,-3) and b is (-1,1). Find the gradient of a line perpendicular to AB. Plz help!!!!

asked by Student on May 24, 2016
78. ## math

find the circumference and area of a circle with a diameter of 16 feet

asked by tim on January 10, 2010

Find the centroid of the area bounded by the parabola y=4-x^2 and the x-axis A.(0,1.6) B.(0,1.7) C.(0,1.8) D.(0,1.9)

asked by Tracy on November 22, 2011
80. ## calculus

find an equation of the curve that passes through the point (1,1) and whose slope at (x,y) is y^2/x^3

asked by linda on March 20, 2011
81. ## geometry

find the vaule of t so that the slppe of the line passing through the points (2,t) and (6,10) will be 1/2

asked by Anonymous on September 8, 2012
82. ## trig

How king i find theta if the formula is cot(2theta) = 7/24?

asked by Isai on February 22, 2012
83. ## math

find the legth of the third side of the right triangle if a=2in and b=6in I think it is 10 but not sure if I did it right

asked by Jazmyne on January 5, 2012
84. ## math

Find the legth of the third side of the right triangle if a= 23 cm and b= 13 cm. I thought it was 144cm but i am not sure.

asked by Jazmyne on January 5, 2012
85. ## calculus

find the general solution x^2-2(e^y)dy/dx = y^3+e(x^2) i am getting the y^3 dx when i do seperation of variables how do i deal with this.

86. ## math

Find a value of the constant k, if possible, that will make the function continuous for all values of x. f(x)=9-x^2 if x >= 0, f(x)=k/x^2 x < 0

asked by tish on October 3, 2016
87. ## ISB

Find the angles of atriangle which are in the ratio 2:3:5. Could someone explain how to do this also. Thnaks.

asked by Benjamin on November 22, 2011
88. ## algebra

Find solution to equation X^2+x+ãx^2+x-2 =0 Note; square root is x^2+x-2

asked by Jessica on July 21, 2009
89. ## math

find two numbers that has as estimated sum of 6, 000 using the digits 1 2 3 4 5 6 7 and 8

asked by evelyn on July 10, 2017
90. ## algebra

Find b^2 - 4ac and the number of real solutions to equation. -3x^2+7x=0

asked by Jessica on July 20, 2009
91. ## algebra

Find all real and imaginary solutions to equation. b^4+13b^2+36 = 0

asked by Jessica on July 20, 2009
92. ## Math NEED HELP NOW! SO CONFUSED! :'(

How do I find the GCF's of these following problems... 1) 36, 81, 27 2) 15, 17, 30 3) 3x^2y, 9x^2 4) 8a^2b, 14ab^2 %) 3cd^4, 12c^3d, 6c^2d^2

asked by LizzyLiz on November 18, 2015
93. ## math

Find the volume of a cap of a sphere with radius r=86 and height h=48.

asked by John on March 15, 2011
94. ## Math, Pre Calc

Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:)

asked by Nikki on September 5, 2012
95. ## Algebra II

Find the radius and center of the circle which passes through the points (-2,3), (0,-3), (4,-3).

96. ## Math

find the simple interest on a loan £9000 over 6 years at 11% p.a.

asked by jack watson on December 30, 2012
97. ## Math

Find the LCM for the given numbers by an appropriate method. 135, 56, and 150

asked by Anonymous on October 24, 2009
98. ## separation of variables

is the answer to find an equation of the curve that satisfies dy/dx=4x^3y and whose y-intercept is 7 y=7e^(x^4)

asked by jake on March 20, 2011
99. ## chemistry

24,8% of potassium ,34,77% of Mn,40,5% of oxygen how do i find the emperical formular thanks in advance

asked by jennifer on May 28, 2015
100. ## geometry

find the circumference of the circle to the nerest tenth. d=1/2yd

asked by Rosetta on August 24, 2011