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
45. 4th grade math

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.

asked by brad on December 16, 2009
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).

asked by Adam on June 23, 2011
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