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 102
1. geometry

please help find answer. very urgent. triangle PQR is a 30-60-90 triangle with right angle Q and segment PQ as the longest. Find the possible coordinates of R if (2,6) and Q (2,-6). please help

asked by chippy on November 8, 2008
2. MATHS,7TH CLASS

A RIGHT ANGLED TRIANGLE ABC IS GIVEN,WHERE AB IS 5CM,AC IS 12CM,BC IS 13CM,AD IS AN ALTITUDE FROM A TO BC,FIND THE AREA OF THE TRIANGLE AND FIND AD ALSO.

asked by ANNANYA on February 19, 2011
3. Math - Algebra II

Hello, i'm currently doing functions and I was fine until I got to multiplication. I really don't know what i'm doing, and would really appreciate a step by step on a few questions. f(x) = -3x + 9 g(x) = 8x + 7 Find g(f(x)) I got -24x + 16. Another : f(x)

asked by Jess on April 28, 2009
4. geometry

in each circld, find the value of x. then find the given measure m

asked by geometry on June 5, 2011
5. calculus

1. if f(x)=3^x-3^-x, find :f(2),f(-1) 2. if y1=x^2+3x-1 and y2=x-5, find: a. y1+y2 b. y1-y2 c. y1(y2) please show solution thanks.

asked by gen on November 11, 2010
6. math

let f(x) = 4x - 5 a) find f(3) b) find x when f(x) = -21 my answer for a is f(3) = 7 and for b is x = -4. are these correct?

asked by Anonymous on May 30, 2013
7. Help on Vectors & Geometry

(a) Given that A= 3i - j + 2k and B=2i + 3j - k find A x B (b) if A= i + j, B= 2i - 3j + k and C= 4j - 3k find (i) (AxB)x C (ii) Ax(BxC)

asked by Wellness on October 29, 2009
8. geometry

find x if segment AC=2x-1 and segmentAE=x^2-2 how do I find x

asked by Anonymous on September 18, 2011
9. Math

Use logarithms to find the given equation(find x) 9(1.06^5x + 1) = 15

asked by Amy on February 27, 2014
10. geometry

LMNO is a parallelogram. If NM = x + 15 and OL = 3x + 5, find the value of x, then find NM and OL

asked by ashley on April 5, 2013
11. calculus

The graphs of f and g are shown. Let h(x) = f(g(x)) and s(x) = g(f(x)). f(-1)= 4 f'(x)=1 g(-1)=5 g'(-1)=-1/2 f(8)= 6 f'(x)= 2 g(x)= 2 g'(x)=-1/2 (a) Find h'(−1). (b) Find s'(8).

asked by Sarah on September 4, 2016
12. Math A Calculus

For a =( 2 ÷3)and b=(-1÷4)..Find a).. a+b b).. | a+b | c).. Find the length of the vector i + 2j-- 2k

asked by Donald on June 2, 2017
13. algabra

find given the funcrion k described by k(x) =12x, find each of the following (a) k(-19),(b0 K (10)(c) k(21),k(-19)=

asked by danny on April 13, 2012
14. math

find the ratio x:y (hint: same as find x/y): 2 1/2 x = 4 1/2 y

asked by Anonymous on June 1, 2017
15. Pre Calculus

Inverse functions find the value If f(x)=1/x, find f^-1 (2)

asked by Josh on October 22, 2011
16. calculus: don't even no where to start from need help plz

(1)find dy/dx of y if y=tan^(-1)1/x^2 (2) if y=3z^2.z^2 find dy/dz (3) if y=x^x show that dy/dx=x|n(x+1).. thanks

asked by edward on August 23, 2015
17. math

Given that h(x)=x+1/x-2 and g(x) =4-x. Find h(g)(x) and find g(h)(x). P.S. Thanks for the correction Steve.

asked by lindsay on December 11, 2012
18. Algebra

Find the function value. Given that f(x) = 5x2 - 2x, find f(t + 2).

asked by Ashli on June 9, 2008
19. Physics

I need to find the mass: velocity=30 km/h KE=10^6 J then using that I have to find the KE for: v=60 km/h v=90 km/h

asked by Jacie on January 4, 2011
20. math

S(n) = 1+4+9+16+25+...+n^2 find the formula so it will look like T(n)=an^3+bn^2+cn+d and also find what a, b, c, d equals

asked by ann on July 11, 2008
21. pre-calc

How do you find the asymptotes in general?? For example... f(x)=(1/2)^x, how would I find that?

asked by Anonymous on December 4, 2007
22. Math: Calculus

Given f''(x) = 4x - 3 and f'( -3) =2 and f( -3)=-1. Find f'(x) =______ and find f( 1) =_____

asked by REALLY NEED HELP!!!! on November 10, 2010
23. COLLEGE CALCULUS. HELP!

anti-derivation given f"(x)=3x+0 and f'(-1)=1 and f(-1)=5 find f'(x)=? and find f(2)

asked by MILY on March 30, 2012
24. Calculus

suppose y=√(2x+1), where x and y are functions of t. a)if dx/dt=3, find dy/dt when x=4 b)if dy/dt=5, find dx/dt when x=12

asked by Chelle on October 12, 2012
25. Algebra

5x=1/2y-1, find value of X; 1/4y=10x-1, find value of Y (use substitution)

asked by Linda on March 10, 2008
26. root

how do u find the root of m^3+3m^2+3m+1 = 0 please help me find what are the value of what m is equal to

asked by mary on October 30, 2008
27. Calculus

If f(x)=sqrt(14x) a)find f' (x) b) find f'(4)

asked by Anonymous on January 31, 2013
28. Geometry

How to find formula to find areas?

asked by Michael Wade on June 22, 2011
29. Algebra 2

Am I correct in these problems? 1. f(x)= 2x + 3 g(x) = 2x^2 + 2x Find f(g(x)) 2(2x^2+2x)+3 =4x(x+1)+3 2. f(x) = 5x + 3 g(x) = 2x^2 -2x + 2 Find (fg(x)) (5x+3)(2x^2-2x+2) 2(5x+3)(x2-x+1)

asked by Ernesto on November 10, 2015
30. math

find x in each of the followig. 1)12:x= x:48 2)12:21::8:x Q2)find the mean proportional between: 1)12 and 27 2) 5 and 45 3) 4 and 9

asked by swagnik on February 23, 2012
31. calculus

If g(1) = 4 and g¢ (1) = − 2, find f ¢ (1), where f(x) = x2 ln (g(x)). Also find the equation of the normal to f at x = 1.

asked by ak on October 18, 2011
32. Math

I am trying to find the percentages of different numbers. How do i find them? for example 83%of 6

asked by Mark on February 27, 2009
33. PreCalc

Let (f) = 1/x and g(x)=x^2 +5x. a. Find (f*g)(x) b. Find the domain and range of (f*)(x)

asked by T on August 27, 2019
34. Physics

Three vectors are given by: a=0i+oj+4.0k b=3.0i+-3.0j+-1.0k c=1.0i+2.0j+-1.0k a) Find a(bxc) b) Find a(b+c)

asked by Robin on February 25, 2014
35. math

find the number of permutations of 5 out of 9. then find 6 out of 6

asked by amal on October 18, 2008
36. Calculus

If f(x)=sqrt(14x) a)find f' (x) b) find f'(4)

asked by Anonymous on January 30, 2013
37. Precalculus

Let f(x)=1/x and g(x)=x^2 + 5x. a. Find (f*g)(x) b. Find the domain and range of (f*g)(x).

asked by Betty on September 9, 2018
38. calculus

find dq/dp.q=(5p^2+2p)-3/2 use impliict differentiation to find dq/dp

asked by george on October 17, 2010
39. Math

Y=mx+b I know how to find y,m, and x but I forget how to find b. If anyone can help me that would be great.

asked by Robynn on September 6, 2007
40. Math

If f (x) = sin3 x, find f'(x). Find f'(−2pi/3) Thanks.

asked by Sara on September 19, 2011
41. math (Matrix) 2

if (-2 1 x+2 ) (3 x-4 5 ) =25 (0 1 3 ) a) find the value of x b) hence ,find (-2 1 x+2 )^-1 ( 3 x-4 5 ) (o 1 3 ) p/s : all the value above IS COMBINE in one bracket ( )

asked by MARYSE on April 15, 2014
42. SCIENCE

Help. Am I right or wrong. The use of a plant crop to harness the sun's energy for conversion to energy sources is termed ___________ Bioconversion? Check these sites for your answer.

asked by Meg on May 30, 2007
43. Science

The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.Which of these observations of Barnard’s Star is most likely accurate? * 1 point Captionless Image A Barnard’s Star is less bright than

asked by jessica thompson on October 4, 2018
44. Physics

A spring fixed to a wall is attached to a 6 kg block of wood on the other end. The block rests on a frictionless surface. The spring with spring constant 100 N/m is compressed by 0.1 m and releases. With what frequency and period will the block/spring

asked by Sarah on February 1, 2015
45. physics

Find x-component of vector d=(110m , 46 degrees below + x-axis). Find y-component of vector d=(110m ,46 degrees below + x-axis). Find x-component of vector v=(350m/s , 28degrees above + x-axis). Find y-component of vector v=(350 , 28 above + x-axis). Find

asked by john on October 2, 2013
46. physics

Find x-component of vector d=(110m , 46 degrees below + x-axis). Find y-component of vector d=(110m ,46 degrees below + x-axis). Find x-component of vector v=(350m/s , 28degrees above + x-axis). Find y-component of vector v=(350 , 28 above + x-axis). Find

asked by Anonymous on October 3, 2013
47. accounting

P15-1 Comparative statement data for Douglas Company and Maulder Company, two competitors, appear below. All balance sheet data are as of December 31, 2009, and December 31, 2008. Douglas Company Maulder Company 2009 2008 2009 2008 Net sales \$1,549,035

asked by Kat on November 29, 2009
48. MATH

_________________________________ 1. Use a formula to find the surface area of the square pyramid. (H.6ft.)(W.3ft.)(L.3ft.) A. 45 ft B. 81 ft*** C. 36 ft D. 72 ft _________________________________ 2. Find the lateral area of the pyramid to the nearest

asked by check please on February 16, 2016
49. physics

block of mass m slides down a frictionless incline as The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law in the radial

asked by ahmed hadyia on January 14, 2015
50. physics

A block of mass m slides down a frictionless incline as The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law in the

asked by ahmed on January 8, 2015
51. Math889

A particle moves according to a law of motion s = f(t), t ≥ 0, where t is measured in seconds and s in feet. f(t) = te−t/4 (a) Find the velocity at time t (in ft/s). v(t) = (b) What is the velocity after 1 s? (Round your answer to two decimal places.)

asked by Anonymous on October 13, 2014
52. probablity

Consider a group of n>=4 people, numbered from 1 to n. For each pair (i,j) with i!=j, person i and person j are friends, with probability p. Friendships are independent for different pairs. These n people are seated around a round table. For convenience,

asked by Anonymous on October 6, 2018
53. Algebra 8th

Find the greatest possible error for the given measurement if it is to the nearest 10 miles. 150 mi a. 5 mi b. 75 mi c. 0.5 mi d. 7.5 mi Find the greatest possible error for each measurement. 18.9 m a. 0.01 m b. 0.5 m c. 9.45 m d. 0.05 m Find the greatest

asked by purplebananas on November 6, 2013
54. trigonometry

please check my answers. 1.Find the area of the sector of a circle. r=11.8cm, theta-pi/7 radians I got 31.2cmsquared 2.Find the radius of a circle in which a central angle of pi/6radian determines a sector of area 76square meters. I got 17.03m 3.Find the

asked by y912f on January 7, 2009
55. math

I am trying to find the coordinates of a point in a line. I have one end, and I have the midpoint. What formula should I use to find the one on the end? The one end is (8,4) and the MIDPOINT is (14, 7). What would I do to find the opposite point?! thanks!

asked by Dawn on February 3, 2011
56. English

1. He did not like some of them. 2. He disliked some of them. (Are both the same? Can we use 'some' as in #1?) 3. He couldn't find some of the books. 4. He couldn't find any of the books. 5. He could find none of the books. (Are they all grammatical? In

asked by rfvv on October 28, 2016
57. english check

Can some one please check and see if rewrote this sentences correct. Punctuation within Sentences—Colon 1. The book had some nice features, such as a hard-bound cover, a ribbon for a bookmark and the author’s signature. 2. German grammar is simple: in

asked by Toni on August 21, 2006

Calculate the following: a) Find g(f(1)) b) Find lim x-> 1+ g(f(x)) c) Find f(g(0)) d) Find lim x->0- f(g(x)) f(x)= 1-x, x1 g(x)= -x, x0 This is where it gets hard. I have a graph for f(x) and one for g(x). I will explain them. The graph for f(x)has an

asked by CMM on October 13, 2010
59. Calc.

Calculate the following: a) Find g(f(1)) b) Find lim x-> 1+ g(f(x)) c) Find f(g(0)) d) Find lim x->0- f(g(x)) f(x)= 1-x, x1 g(x)= -x, x0 This is where it gets hard. I have a graph for f(x) and one for g(x). I will explain them. The graph for f(x)has an

asked by CMM on October 12, 2010
60. Science Help

Why is there a higher rate of obesity amongst Hispanics compared to that of African-American young children? I am trying to find articles on the above topic... I found a few but I really need some more articles... could u help me find some? Thx

asked by Marcia on December 17, 2009
61. Physics

A 2.20 kg mass attached to a spring oscillates with a period of 0.440 s and an amplitude of 16.5 cm. (a) Find the total mechanical energy of the system (b) Find the maximum speed of the mass

asked by Dev on April 24, 2012
62. Physics

A 1.55 kg mass attached to a spring oscillates with a period of 0.375 s and an amplitude of 16.5 cm. (a) Find the total mechanical energy of the system. (b) Find the maximum speed of the mass.

asked by Alex on April 24, 2012
63. Physics

A 1.55 kg mass attached to a spring oscillates with a period of 0.375 s and an amplitude of 16.5 cm. Find the total mechanical energy of the system Find the maximum speed of the mass

asked by Alex on April 22, 2012

i have a question about Montana's franchising. we were asked to find out about Montana's cookhouse ongoing fees and the profit and revenue for it. I cant find anything about it online. So i wanted to ask about approximately what would the numbers be

asked by miller on September 16, 2014
65. Civics

In civics we had to define a concept and then give an example in the constitution. But I cant find a decent definition about social compact. And what is an example of it in a definition? I also cant find a good example of Representative and property

asked by Amy on September 23, 2009
66. Physics

A 2.20 kg mass attached to a spring oscillates with a period of 0.440 s and an amplitude of 16.5 cm. (a) Find the total mechanical energy of the system (b) Find the maximum speed of the mass.

asked by Nem on April 24, 2012
67. math

tell me if I am correct. In order to find the sum of the angles in a 50-gon, you have to find the number of triangle in a petagon which is 3 therefore 50-gon would have 30 triangles. then i would take 30 X 180 which would give me 5,400 degree

asked by Dakota on April 12, 2012
68. AP Chemistry

I am doing a lab on finding the molecular mass of a volatile liquid. I first need to find the volume of water in the test tube. (V= m/d) ... but how do I find the density of the water in the first place? I'm so lost right now. Thanks for the help!!!

asked by Sarah on January 5, 2010
69. Physics

A 1.55 kg mass attached to a spring oscillates with a period of 0.375 s and an amplitude of 16.5 cm. Find the total mechanical energy of the system Find the maximum speed of the mass

asked by Alex on April 23, 2012
70. math

I need 2 know how 2 find the measure of a regular haxagon!! HELP ME PLEASE!! This site explains how to find the area of a regular hexagon. http://www.mathreference.com/geo,hex.html

asked by Sweetpea:) on February 19, 2007
71. Calculus

An ant moves along the x-axis with velocity given by v(t)=tsin(t^2), t is greater than or equal to zero. Given that x(t) is the position of the particle at time t and that x(0)=3, find x(2) Find the total distance traveled by the particle from t=0 to t=2

asked by Hannah on February 26, 2011
72. math

The function f(x)= ax^3 - bx +c passes through the origin, f(-1)=4/3 and it has an extreme point at x=1 (i) Find the values of a, b and c. (ii) Sketch the graph (iii) Find the area bounded by the graph of f(x) and the x-axis between the lines x=-1 and x=1

asked by gibbs on April 25, 2013
73. Math

The froghopper holds the world record for insect jumps. It can leap at an angle of 45.0° at a speed of 1.0 m/s. (a) Find the velocity (magnitude) at t = 1.0 seconds. (b) Find the position at t=1.0 seconds.

asked by Lou on September 21, 2018
74. Calc Help

q=2500+(600/r+2)-40p Find dq/dp q=3000-100z+(400/p+5) Find dq/dp Please help. Final tom and can't figure this out. I know it's simple. Yes, they are simple. Show your work, I will critique it.

asked by Evan on May 1, 2007
75. History

Can someone help me or send me a good link to find more information about the Federalist Party and the Democratic Republican Party, preferably ones that state their differences and similarities? I can't really find any help on other websites

asked by Baby_Banana on December 13, 2017
76. Calculus AB

Analyze the function ln x=cx^2 to find the unique value of c such that there is exactly one solution to the equation. To do this find the value of c such that both sides of the equation have equivalent slopes at some point; this will give you a proper

asked by jessica on December 13, 2010
77. Algebra

Find the real zeros of f. (Enter your answers as a comma-separated list.) f(x) = −x2 + 7x + 8x X =_____ Find the x-intercepts of the graph of f. (x, y) =_______(smaller x-value) (x, y) =_______(larger x-value)

asked by Patty on December 1, 2014
78. Physics

A concave spherical mirror has a radius of curvature of 29.4 cm . The object distance is 5.7 cm .Scale: 10 cm = Find the magnitude of the image distance. Answer in units of cm. 2- Find the magnification.

asked by zachary on May 1, 2018

I need advice on finding the main idea or the authors purpose, when i get bored i tend to find things related to myself, pls advise me on finding what the author want me to find..

asked by keysha on July 13, 2008
80. Geography

Can anyone help me find websites that can help me find information about Sweden such as their music, food, language, ethnicity, environment, popular vs folk culture, and popular tourist destinations

asked by Anonymous on February 7, 2016
81. calc

analyze the function ln x = cx^2 to find the unique value of c such that there is exactly one solution to the equation. to do this, find the value of c such that both sides of the equation have equivalent slopes at some point; this will give you a proper

asked by Gabriela on December 14, 2010
82. Trig

Find the exact circular function value for: sec(23pi/6) I know the answer should be: [2sqrt(3)]/3, but I do not understand how to solve the problem. I have a unit circle, but 23pi/6 is not on it, so I don't know how to find the (x,y)

asked by Lauren on October 22, 2009
83. Algebra

find the lateral area for the given prism: 26 cm , 6 cm, 15 cm A. 1,092 cm^2 B.998cm^2 C.1,272 cm^2 D. 870 cm^2 3. find the surface area plz help everything I've tried was WRONG and I neeed a good grade T-T

asked by Plz help ASAP on March 4, 2019
84. Chemistry

Use molar volume to solve the following problems at STP. Find the volume mL occupied by 0.400 mole He. Find the number of grams of neon contained in 10.2 L Ne gas

asked by Aaron on May 17, 2010
85. Math

f(x)=[sqrt((x-68)^2 + x^3-116x^2-417x+267460)] - 10 To find the minimum value of we need to check the value at the following three points (in increasing order). (You will need to use a numerical method, like Newton-Raphson to find one of these points.)

asked by Salman on November 22, 2009
86. Calculus

f(x)=[sqrt((x-68)^2 + x^3-116x^2-417x+267460)] - 10 To find the minimum value of we need to check the value at the following three points (in increasing order). (You will need to use a numerical method, like Newton-Raphson to find one of these points.)

asked by Salman on November 22, 2009
87. Maths

f(x)=[sqrt((x-68)^2 + x^3-116x^2-417x+267460)] - 10 To find the minimum value of we need to check the value at the following three points (in increasing order). (You will need to use a numerical method, like Newton-Raphson to find one of these points.)

asked by Salman on November 22, 2009

find the equation of the straight line through A(3,20) which is perpendicular to the line passing through the points B(-2,8) and C(11,8). Hence, find the area of the triangle ABC, giving your answer in the simplest possible form.

asked by Veronica on December 12, 2016
89. math

Given: ∆ABC is isosceles m∠ACB = 120° m∠BMC = 60° CM = 12 Find: AB M is on line segment AB I saw that someone has already post this question, but I didn't find the answer so I reposted it to c if someone could put the answer

asked by Serina on March 19, 2017
90. math

The internal angles of a triangle in the ratio 3:5:7. Find the degree measures of the angles. Also find measure of its greatest exterior angle.Give complete calculation.

asked by Adil on December 9, 2016
91. physics

the motion of a particle along a straight line is described by the function x=(2t-3)^2 where x is in metres and t is in seconds. A)find the position ,veocity and acceleration at t=2 sec. B) find the velocity of the particle at origin.

asked by j on June 26, 2012
92. Science

Select the three terms that belong together. To do this, pick one term from each of the three sets. Set 1: intertidal zone, neritic zone, deep zone Set 2: moderate light levels, freshwater, temperature fluctuations Set 3: clams, squid, beavers A)

asked by MsHemmoPenguin on October 15, 2015
93. Geometry

The instructions say, "The measure of an exterior angle of a regular polygon is given. Find the measure of an interior angle. Then find the number of sides. For another problem just like this, they gave the number 18 and I subtracted 18 from 180 and solved

asked by Melissa on November 25, 2014
94. Check my answers 6 ?s- Physics

What is a free body diagram? (Points : 1) a drawing of an object in free fall a diagram showing all the forces acting on an object but not its surroundings

asked by Gianna on November 19, 2013
95. Math

If the flight of a rocket can be modelled by the function h=-4.9t^2+49t+2.5. Where h is height in meters and t is time in seconds. How long was the rocket above 100m? I know that you have to find the two times when the rocket hits 100m. And then subtract

asked by Anonymous on March 29, 2015
96. statistics

The proportion of baby boys born in the United States has historically been 0.512. You choose an SRS of 55 newborn babies and find that 47% are boys. Do ALL calculations to 5 decimal places before rounding. (d) In a random sample of 55 newborn babies, what

asked by Ashley on June 30, 2011
97. AP Calculus

Consider the function f(x) = 1/4x^4 - 5/3x^3 - 3/2x^2 + 15x - 3. A. Find the relative extrema for f(x); be sure to label each as a maximum or minimum. You do not need to find function values; just find the x-values. B. Determine the interval(s) where f(x)

asked by Steph on January 16, 2017
98. English

Word box adhere affirm atrocity audition cope deter disquieting empower fluent lag mangle misapprehension optimist prowl stupefy sulky supplement surge trait unscrupulous 1.He is so careless in handling his textbooks that by the end of the term he has

asked by Jerald on April 1, 2013
99. I NEED HELP PLZ!!!!

Answer questions 1–4 in one or two sentences. Question 1a–1b is based on the following paragraph. A trip to the ocean can be a relaxing escape from the everyday pressures of life. A sailboat glistening on the horizon provides a mental escape to faraway

asked by AngelicaT on May 15, 2015
100. math check and help

A random sample of the amount paid (in dollars) for taxi fare from downtown to the airport was obtained. (Give your answers correct to two decimal places.) 16 17 22 13 21 23 22 18 13 22 19 20 19 22 16 (a) Use the data to find a point estimate for the mean.

asked by Tom 81 on June 15, 2013