# 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 418
1. ## math

the graphs of the three equations below form a triangle. find the coordinates of the triangle's vertices. 4x+y=1 2x-y=5 3y+3x=12

asked by kms on May 22, 2017
2. ## maths trigonometry,

find all solutions between 0 and 2pii for (tan theta =1)and (cos theta =negative 1/2).

asked by lughano on March 3, 2017
3. ## Geometry

Find the distance between point R (5,6) and point S (-2,0). Round your answer to the nearest tenth.

asked by Crystal on September 25, 2011
4. ## pre-calculus

find a bound on the real zeros of the polynomial functions. f(x)=x^4+7x^3-x-2 every real zero of f lies between - ? and ?

asked by ladybug on October 1, 2012
5. ## maths

for he formula A=P+Prt, find the value of (a). (i) A when P = 750. r=0.09 and t=8 (ii) P when A=720.r=0.12 and t=5 (b) make t the subject of the formula

asked by tia on October 19, 2010
6. ## pre calc

Find the exact value of sin(x-y) if sinx=-3/5 in Quadrant III and cosy=5/13 in Quadrant I.

asked by Jennifer on May 21, 2013
7. ## math

4.find to the nearest degree the celcius reading when the farenheit reading is 72 degrees

asked by chris on September 6, 2009
8. ## Geometry

The diagonals of a trapezoid are perpendicular and have lengths 8 and 10. Find the length of the median of the trapezoid.

asked by Sheenybeany on May 25, 2014
9. ## Trig

Given sin= -√5/6 with π < u < 3π/2 and cos v= √3/5 with 0 < v < π/2 find sin(u-v) and tan(u+v). Please show work and simplify.

asked by Jane on March 8, 2016
10. ## science

find the force exerted by z rope on a 10kg mass that is hanging from the rope

asked by joe on October 19, 2009
11. ## math

how would i find the area of the parallelogram if the area of each right triangle region is 7 1/2 square inches

asked by hannah on November 29, 2011
12. ## Algebra

One number is 10 less than twice a second number. Find a pair of such numbers so that their product is as small as possible. I came up with 15 and 5 and those are incorrect

asked by Barb on March 11, 2016
13. ## Geometry

Hello, Can you please tell me if I have the correct answer? Thank You my answer: 6m Find the diameter of a circle whose circumference is 18.85m.

asked by Mandi on April 9, 2008
14. ## calculus

The graph of f(x) passes through the point (0,3) . The slope of f at any point P is 3 times the y- coordinate of P . Find f(1)

asked by Connor on October 14, 2010
15. ## Advanced Algebra 1

A polygon has a perimeter of 24mm. Find the new perimeter after a scale factor of 1/4 is applied?

asked by Jordan on October 14, 2010
16. ## urgent (physics)

A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.

asked by HELP PLEASE on April 24, 2014
17. ## integrals

find value of def integral with a=-2 and b=2sqrt(3) for integral i get 1/15 *((4+x^2)^(3/2)) (-8+3x^2) for value i get [1536- 64sqrt(2)]/15 but its' wrong. help please

asked by Mikey on May 26, 2013
18. ## math

First estimate the answer then divide to find the exact answer simplify all answers 16÷2 5/11

asked by semaj on September 8, 2015
19. ## precalculus

the function f(x)= square root sign 10x+20, x>=20/10 is a one to one function find its inverse

asked by McKenna on November 28, 2012
20. ## chemistry

the density of ehter is 0.789 g/mL. Find the mas in kilograms for 475mL of ehter

asked by miichael on September 22, 2011

Find the simple interest for the indicated length of time. $7915 at 9% interest for 9 months? asked by Anonymous on October 24, 2009 22. ## math find a commission on a$1,250 sale with a commission rate of 5%. $62.50$6.25 $75.00$125.00 HELP PLSSS

asked by Ali on February 8, 2017
23. ## analytic geometry

FINd an equation in x and y that has the same graph as the polar equation r=Î± sin theta, with Î± is not equal to 0.

asked by Anonymous on September 17, 2015
24. ## Math

Find the probability that theven pointer will stop on an odd number or a number less than 7

asked by Anonymous on June 4, 2017
25. ## please

Given tan Θ = - 8/5 and sin Θ < 0, find sin Θ, cos Θ, csc Θ, sec Θ and cot Θ.

asked by Anonymous on January 9, 2014
26. ## algebra

find the slope, if it exists of the line containing the pair of points. (-19.3, 13.4) and (-17.3, 2.1) The slope m= I came up with m= -4 am I close

asked by sonia on October 22, 2009
27. ## calculus

Find the points on the graph y = -x^3 + 6x^2 at which the tangent line is horizontal. I found -x^2 + 4 = 0 are the points [4,32]

asked by heather on February 8, 2017
28. ## Alg2/Trig

How would I go about solving this equation algebraically? Find the equation of the parabola y=ax^2 + bx+c that passes through the given points. (2,0) (3,-1) (4,0) Thanks.

asked by Chris on March 5, 2009
29. ## Pre-Calculus

Find all rational zeros of the polynomial, and write the polynomial in factored form? P(x)= 2x^3-3x^2-2x+3

asked by Monica on September 14, 2014
30. ## geometry

Given the triangle ABC and m

asked by Anonymous on June 30, 2011
31. ## maths

a hyperbola of eccentricity 3/2 has one focus at (1,-3). The corresponding directrix is the line "y". find an equation for the hyperbola?

asked by ahmadafnan on September 28, 2012
32. ## Maths

The width of a rectangle is two-thrid of the length.if the perimeter is 192,find the width.

asked by Edeki on February 22, 2016
33. ## Math

Find the multiplicative inverse of the number. 1/2 (fraction) The inverse would be 2/1, which would be 2 as the final answer.

asked by Anonymous on October 22, 2009
34. ## def integrals

find value of def integral with a=-2 and b=2sqrt(3) for integral i get 1/15 *((4+x^2)^(3/2)) (-8+3x^2) for value i get [1536- 64sqrt(2)]/15 but its' wrong. help please

asked by Mikey on May 25, 2013
35. ## physics

from equqtion t equal to x+3 .find velocity and acceleration t equal 1second here x is distance

asked by add on September 23, 2012
36. ## Physics

A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.

asked by stewart on April 24, 2014
37. ## Physics

When will an object be in equilirium if different forces are acting on the object from the different systems? Would it be appropriate to use F=ma to find the equilibrium?

asked by Maggie on October 9, 2010
38. ## Algebra

Find two numbers with a sum of -8 and a difference of 4. Let x be the greater number and y be the lesser number. Thanks you

asked by Struggling mom on February 16, 2015
39. ## Algebra

53. Determine if y=x^2 is a function. i think the answer is yes, but can someone explain to me why it's yes, and how you find out if it's a function or not. I know that for every value of x there should be one value of y, but how do you figure that out in

asked by y912f on May 7, 2010
40. ## Physics

How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?

asked by Megan on December 4, 2011
41. ## Physics

Find the scalar product of the vectors ai+bj and bi-aj . Where a and b are arbitrary constants. What's the angle between the two vectors?

asked by Jacob on May 30, 2013
42. ## math

The length of a rectangle is twice its breadth. If the perimeter is 42cm, find: 1) the length 2) the breath

asked by indira on February 27, 2017
43. ## Precalculus

1. Simplify the expression ((5x^-2)/(4x^2))^-2 2. (x)/(x^2-81)-(9)/(81-x^2) = 3. Let (-3,3) and (-6,_2) be points in the Cartesian plane. Find the distance between the points.

asked by Amy on January 23, 2011
44. ## maths

perpendicular avenue is perpendicular to tangent street and passes through D(17,8).find its equation

asked by Tony on March 29, 2013
45. ## math

help please!!!!!! explain how you would find the length of one side of a square if the area is 36 square units.

asked by santos on March 30, 2011
46. ## Math

use the remainder theorem to find the remainder when P(x) = x^4-9x^3-5x^2-3x+4 is divided by x + 3 please help me start this problem I have no idea

asked by Tyler on February 21, 2017
47. ## Math

A line segment has one endpoint of (-3,2) and an undefined slope. Find the coordinates of another possible endpoint.

asked by Anonymous on February 21, 2017
48. ## Math

I have two numbers that have a sum of 16 and a difference of 3. By forming two equations and solving them find the two numbers.

asked by Brad on November 8, 2016
49. ## physics

How do I find the acceleration on a velocity time graph when the graph has an irregular shape.

asked by Ann on October 7, 2012
50. ## calculus

find the equation of the curve for which y'''=24x-6 if the curve passes through (-1,8) and is tangent to the line y=4x at (1,4). help please thanks :-)

asked by jean on August 10, 2015
51. ## Economics

How do you find planned investment from the GDP, and determining the equilibrium GDP of an economy?

asked by John on October 23, 2007
52. ## Trigonometry

Given that sin(2θ)=2/3, the value of sin^6θ+cos^6θ can be written as a/b with a and b as coprime positive integers. Find a+b.

asked by Shin on May 27, 2013
53. ## math

the length of a rectangle is 3 times its breadth.its perimeter is 64cm.find its length?

asked by Anonymous on April 28, 2014
54. ## Finding distances

Person is 1.8 meters tall standing far away at angular height of 5 meters. How do I find how far way they are

asked by Carol on February 2, 2012
55. ## math

Find the intersection of the line through (0, 1) and (4.4, 2) and the line through (1.9, 3) and (5.3, 0). (Round your answers to the nearest tenth.) (x, y) =

asked by liz on October 16, 2010
56. ## Finding distances

Person is 1.8 meters tall standing far away at angular height of 5 meters. How do I find how far way they are

asked by Carol on February 2, 2012
57. ## Mathematics

The equation of a circle is given by D: x^2 + y^2 - 2x - 4y - 20 = 0 Use implicit differentiation to find the equation of the normal D at the point S(5, -1)

asked by James on February 25, 2016
58. ## Calc

Let f(x)=sqrt(x) and g(x)=sin(x). Find f*g and determine where f*g is continuous on the interval (-4pi, 4pi)

asked by Maria on January 13, 2014
59. ## co-ordinate geometry maths

find area of triangle abc & triangle def if D E F are mid points of AB BC &CA D(2,1) E(1,0) F(_1,3)

asked by anila on February 25, 2016
60. ## algebra 1

thr ratio of two integers is 6:13 the smaller interger is 54. find the larger interger

asked by john on February 21, 2013
61. ## math

Find the average of these times using and recording two different sets of keystrokes you consider efficient? 11.5 s 10.5 s 12.2 s b) Which is more efficient?

asked by aksha on October 21, 2007
62. ## Calculus BC

Find the volume if the region enclosing y=2x, y=0, x=3 is rotated a)about the y-axis b)about the line x=3 c)about the line x=4.

asked by Maya on February 12, 2011
63. ## css

The height of a triangle is increased by 15% and the base is increased by 10%. Find the increase in its area.

asked by Anonymous on September 10, 2015
64. ## maths

A rhombus has a side 15cm and one diagonal 22cm.Find the height of the other diagonal?

asked by Bismark on June 10, 2017
65. ## math

Hello. Please, help me solve this: Parabola y = ax^2 + bx + c passes through the point (2;-6). Find the values of a, b and c, if vertex of parabola is (4;-10).

asked by eve on May 19, 2012
66. ## Math

A rectangular closet has a perimeter of about 20 feet and a width of about 3 feet. Find the diagonal.

asked by Cassie on September 14, 2010
67. ## AP calculus

The consecutive terms of an arithmetic progression are 5-x, 8, 2x. Find the common difference of the progression.

asked by Watermelon on December 3, 2011
68. ## Maths

If the size of the interior angles of a pentagon are 2x , 3x , 4x , 5x and 6x , find the largest angle of the pentagon

asked by Mehwish on February 28, 2019
69. ## calculus

Find the point on the function y= 1/ x, x>0 that is closest to the point (2,2) and then state the minimum distance.

asked by Anonymous on March 31, 2010
70. ## Chemistry

Find the pH of a buffer solution with equimolar concentrations of: HCOOH and NaCOOH (Ka = 3.5 x 10-4 for HCOOH)a

asked by Bill on February 22, 2017
71. ## Quantum Physics

Suppose we have a particle in 1-dimension, with wavefunction Ae^(−|x|/2d). What is the probability to find the particle in the interval [0,d]?

asked by qwerty on April 3, 2013
72. ## math

Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis

asked by Alexa on November 30, 2012
73. ## Math/Calculus

Find the equation of the tangent line to the given equation at the indicated point a) y^2=cos(5x-3y) at ((2pi+3)/5, 1) b) x^2+x^2y+4=0 at (2,-2)

asked by Anonymous on February 22, 2017
74. ## Precalculus

Find the equation of the ellipse with the center at (2,-3), one focus at (3,-3), and one vertex at (5,-3). Also graph the equation.

asked by Anonymous on May 13, 2014
75. ## Algebra

Suppose we have the following identity: (px + (1-p)y)^2 = Ax^2 + Bxy + Cy^2. Find the minimum of max(A,B,C) over 0 \leq p \leq 1.

asked by Oikawa on June 5, 2017
76. ## Math

Find u X v, where Q is the angle between u and v. magnitude of u =4 magnitude of v=10 Q=2pi/3 The Q is the part that is throwing me off. I do not know where to start.

asked by Hannah on March 31, 2010
77. ## Pre-Cal(urgent)

Find u X v, where Q is the angle between u and v. magnitude of u =4 magnitude of v=10 Q=2pi/3 The Q is the part that is throwing me off. I do not know where to start.

asked by Hannah on March 31, 2010
78. ## Physics

A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.

asked by Anonymous on April 28, 2014
79. ## maths

6 pieces of wire each measure 9cm find the total length of the pieces in mm

asked by Anonymous on November 9, 2016
80. ## Calculus

Use derivative formulas to find the derivative of the function. please show your work h(x)=10^3-25x^6+3x^15

asked by Sarah on September 25, 2012
81. ## Calculus

find the acceleration at time t=9s if the position (in cm) of a particle moving along a line is s(t)=6t^3-7t^2-9t+2 at time t.

asked by Anonymous on October 24, 2009
82. ## maths

can some one help me here : if 5 cos x + 3 = 0 and 180 degrees < x < 306 degrees , find the value of 3 tan x + 25 sin^2 x

asked by nokuphiwa on April 29, 2014

Find the simple rate Principal $2400 Rate 10 1/2% Time in years 1 1/2 asked by Muffin on February 21, 2013 84. ## Math Explain how modeling partial products can be used to find the products of greater numbers asked by Rolo on October 8, 2012 85. ## sociology whether science or religion is best suited in postmodernity???? i think it's science but i cant find any explanations on the internet asked by helppp11111 on October 2, 2018 86. ## math Sketch the given region R and then find its area. R is the region bounded by the curve y=1/x^2 and the lines y=x and y=x/8 asked by Anna Kirakosyan on November 3, 2016 87. ## algebra A CD costs$17.95 plus tax. The sales tax rate is 7.5%. Find the total cost of the CD.

asked by Juliet on August 18, 2015
88. ## maths

The scale of a map is given as 1:40000000. Two cities are 4 cm apart on the map.Find the actual distance between them.

asked by Anju Godvin on March 6, 2016
89. ## trig

If it is given that tan(A-B)=tanA-tanB/1+tanAtanB and tanP-1/1+tanP=tan195 find p

asked by Kale on April 6, 2013
90. ## Trig

Find values of all six trig functions if sin(theta)= 4/5 and theta is in the second quadrant.

asked by Lucy on August 23, 2011
91. ## Chemistry

HELP!! I cannot find the value of ÄH, for the following reactions. A + 2B --> C + 3D , ÄH = 154 kJ 1/2C + 3/2D --> 1/2A + B, ÄH= ? I have tried the answers -302 and 154 and neither were correct. Have any suggestions?? Thank You!

asked by Kate on October 28, 2008
92. ## math

Can someone check and tell me if these are correct or not. subtract -88-53= Subtract 7/9 - (-13/18)=-11/18 multiply (3)(7)(-9)=-189 find the reciprocal of (-1/7)(14/3)(9)

asked by nena on October 25, 2007
93. ## Pre Calc

in a 9 digit integer, each of the digits 1,2,3,4,5,6,7,8,and 9 appears exactly once. Find the probability that the integer is divisible by 9.

asked by Ryan on November 1, 2009
94. ## Physics

Find the electric field (in N/C) at a point r =1.4 m above a point charge Q= -78 C. Take upwards to be positive.

asked by Nadya on January 24, 2011
95. ## Math ~ Check Answers ~

A number cube with the numbers 1 through 6 is rolled. Find P (number is greater than or equal to 3). a.) 4/6 b.) 1/6 c.) 2/6********** d.) 5/6

asked by Chloé on April 23, 2014
96. ## kv

a man travel 3 km north ,3 km east again 1 km north find the final displacement

asked by khushii on September 24, 2015
97. ## Pre Calculus

A 40-foot flagpole casts a 30-foot shadow. How do you Find o, the angle of elevation?

asked by Irene on February 25, 2019
98. ## Math- polynomial functions

State the number of complex roots of each equation then find the roots. I cant figure out these two! 1. 3x - 5 =0 2. c^2 + 2c + 1 = 0

asked by Trace on December 11, 2011
99. ## Math

The parallel sider of a trapezium are 25 cm and 11 cm, while its nonparallel sides are 15 cm and 13 cm. find the area of the trapezium.

asked by Ahmad on August 31, 2015
100. ## alg 1

the perimeter of a rectangle is 24 m. the width is 30 m less than five times the length. find the dimentions of the rectangle.

asked by joe on February 13, 2015