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 501
1. math thanks for your help

let f(x)=-4x+7. find and simplify f(n) f(n)=_____ simplify your answer

asked by Ernie on October 30, 2014
2. Math

Find the slope of a line perpendiculat to the line y=1/2x+7

asked by RERE on February 10, 2010
3. math

Find all real solutions: sqrt(x+10)+ sqrt(x-1)=11

asked by Allie on October 21, 2010
4. Science

When would you want to have a corrosive reaction? I can find when you wouldn't want to have one but not when you wouldn't. Please help!! Thank you

asked by Cherie on December 3, 2013
5. Geometry

In a triangle, we have line QR parallel to line ST, PQ = 8, QS = 6, and PT = 12. Find PR.

asked by Harry on March 29, 2015
6. Chemistry

If we are given the ksp of AgCl at 14°C and 42°C,how do we find the ∆H° for the dissociation of AgCl(s)?

asked by Shenaya on July 26, 2017
7. Pre cal

Find the exact value of Sin ( sin-1. 9/41 - cos-1 (-5/13)

asked by Kk on October 28, 2010
8. Calc

Find the indefinite integral. Integral of [1/(4+3x²)]dx Thank you so much for your help!

asked by Erica on February 16, 2011
9. Trigonometric

Given that sinx = 7 /25 pi/2

asked by Matt on November 6, 2012
10. Calculus 1

Find each limit: (a) lim x->1 (ln(x)+2x-2)/(x^2-1) (b) lim x->infinity (x^2)/(e^x)

asked by TayB on November 19, 2015
11. algebra HEEEEEEEEEEEEEEEEELPPP!!!!!

given two points one a line (8,1) and 10,8) find the x intercept and y intercept PLEASE HELP!

asked by Mary on October 5, 2008
12. Math

Find the point on the line 7x+1y−2=0 which is closest to the point (−1,−3).

asked by Anonymous on March 7, 2017
13. Geometry

find the image, of o(-2,-1) after two reflections first across the line y=-5 and then across the line x=1

asked by Steve on October 7, 2015
14. Calculus

Find the point on the parabola y^2=2x that is closest to the point (2,4)

asked by Dee on May 9, 2011
15. calculus

Find the point on the curve y = x^3 which is nearest the point (4, 0).

asked by Anonymous on September 25, 2015
16. Algebra 2

Given that the polynomial has the given root, find all roots of the polynomial. P(x) = x^4 - 5x^3 + 7x^2 - 5x + 6; -i

asked by Anonymous on May 7, 2010
17. Marh

If my friend and I found 75 apples and I found 1 1/2 more than he did. How many did we each find?

asked by Marilyn on November 19, 2015
18. Math

1. evaluate |-14|=14? 2. add -3/5+8/35=13/35? 3. Find the reciprocal of 1/7(-7-10)=-7/17? 4. 5. (-1/5) (15)=-15/5=-3= a reciprocal of -1/3

asked by Nashea on October 15, 2009
19. algebra

use the remainder theorem to find the remainder when P(x)=x^4-9x^3-5x^2-3x+4 is divided by x+3

asked by jay on November 12, 2012
20. geometry

find the values of x , y , and z this diagram is not to scale 36 , 63 , 13 and the other three x ,y and z what are the values of them?

asked by kayla on October 19, 2017
21. math

how do you find an outlier and tell how it affects the mean with these numbers? -13,-16,-12,-16,-3,-14 and with these numbers 28,12,37,36,30,32,35?

asked by SJH all the way_<3 on September 12, 2011
22. Math

The difference between a number and its reciprocal is 7/12. Find the number.

asked by Raquel on July 31, 2017
23. Math

How do I find the dimensions of new box?? Original box is 2 by 6 by 4

asked by Rolis on September 27, 2011
24. vocabulary concepts facts

to find half of a number the number by2

asked by fernando lundy on September 12, 2011
25. Algebra

Given the function f(x)=(6)/(x+4)find a formula for the inverse function I say it is f^-1 (x)=(6)/(x-4)

asked by Alyssa on August 2, 2009
26. Math

Find the area f(x)=10x/x^2+1, y=0, 0 less than or equal to x less than or equal to < 5

asked by Kim on April 28, 2016
27. Geometry

Find the value of x Triangle MNP ~ Triangle XYZ PM=x+5 PM=4x-10 ZX=30 ZY=75

asked by Gen on June 2, 2016
28. Math

How do I find the derivative of sin^2(x) or written as sin(x)^2?

asked by Anonymous on March 12, 2010
29. calculus

Find the point on the line 4x+2y+5=0 which is closest to the point (-2,-1)

asked by Anonymous on June 2, 2016
30. math

find D from the formula C= pie D WHEN pie= 3.142 and c= 27

asked by jake on September 6, 2010
31. Vectors

Use vectors u, v and w given below to find each expression. (1) v times w (2) v times u

asked by Gilligan on February 22, 2008
32. Algebra 1

Use the graph of f(x) to find the solutions to the equation f(x)=0 a-2 -10 & 2 b_ 2 10 & -2 c- 1 10 d- no solutions

asked by Steve on March 27, 2015
33. Algebra Help

find real solutions sq.root 2x+5 - sq.root x+6 = 1

asked by Anonymous on October 15, 2014
34. Math

Find a vector with magnitude 1 that has the same direction as the following vector U= -3i+7j

asked by alex on May 17, 2011
35. math

Graph the direct variation y=−1.5x. Using the graph, find: The value of x when y=−3; 4.5; 6

asked by unknown on January 1, 2017
36. Algebra

The difference of three times a number and 5 is 40. Find the number.

asked by Tina on October 6, 2008
37. math

the sum of 3 integer is 15 if two of the integers (-11) and 7 find the third integer

asked by sunil kumar on June 25, 2014
38. Math

ABC has vertices A(0, 6), B(4, 6), and C(1, 3). Find the orthocenter of ABC?

asked by bob on November 11, 2017
39. Math

Find the point on the line 1x+7y-4=0 which is closest to the point (-4,-6)

asked by Bob on November 14, 2012
40. Mathematics

s=a+b+c/2 solve for b the correct answer is b=2s-a-c I would like to know how this answer came up how do I find b

asked by Anonymous on September 14, 2011
41. Physics

Find the angle between the vectors A=6i+8j+10k B=6i+8j-10k

asked by ABC on June 14, 2017
42. Algebra

Two angles are complementary. Their difference is 50^*. Find the angles.

asked by Pam on August 12, 2014

Find out if the force is conservative or non-conservative if the work done is W = x^2.y - x.z^3 - z.

asked by jzee11 on June 30, 2015
44. Calculus

Find the point on the line 4x+3y-4=0 which is closest to the point (5,2)

asked by Morgan on June 18, 2013
45. math

find r from the formula a=pie rl when pie= 3.142, a= 96, and i=12

asked by luis on September 6, 2010
46. limits

use f'(x)=lim h-->0 f(x+h)-f(x)/h to find the limit: h-->0 sin^3,4(x+h)-sin^3,4x/h

asked by Cassy on March 23, 2010
47. Math

Two numbers are of the ratio 3:5. If their difference is 18, find the numbers.

asked by Patricia on December 5, 2015
48. Math

If a certain number, x, is added to 4/(x+1), the result is 3. Find the number.

asked by Bianca on September 22, 2012
49. math

please find the ordered pair of the ff: 1.) 30 degrees 2.)60 degrees thanks... :)

asked by Chen on November 10, 2014
50. Math

The sum of a number and its reciprocal is 2 9/10. Find the number.

asked by Steph on December 5, 2015
51. Calculus

Find the area between the curves y=(x^3)-10(x^2)+24x and y=(-x^3)+10(x^2)-24x

asked by Hannah on October 22, 2010
52. calculus

find the area of triangle such that area is maximum

asked by Preet on December 13, 2012
53. Math

How would I expand this two quadratic equations and find a & x for both of them? Here are my equations: y=a(x+1.5)^2+0 y=a(x+2)^2+1.5

asked by Alex on November 28, 2014
54. Calc

Find the point on the parabola x+y^2=0 that is closest to the point (0,-3).

asked by Anonymous on January 18, 2015
55. Calculus 2

Find the area bounded by the curves y=4x^2-25, y=0, x=-1, x=3.5. Ps the area is not 54 or 60 I already tried.

asked by Oscar on January 30, 2018
56. math

Five times a number when increased by 8 gives 68. Find the number

asked by lovely on August 4, 2016
57. math

1. Find the markup cost:\$18 percent of markup: 35%

asked by lilly on November 11, 2010
58. Geometry

How do you find the third altitude of a triangle with the two other altitudes? I have the altitudes 12 and 14.

asked by Sheenybeany on June 24, 2014
59. Calculus

Let f(x) be the function f(x)={x2−c for x

asked by Lou on September 12, 2015
60. math

one-half a number minus 6 is 4. find the number

asked by Alfred on October 17, 2016
61. calculus

Find the intervals on which the f(x)= cos^2x is concave up and concave down.

asked by amir on March 4, 2012
62. Math

Find two consecutive whole numbers such that 3/4 of the first number is 5 more than the second number.

asked by Tyler on November 17, 2011
63. trig

how do i find six trig functions for cos(pi over 2-x)=3/5, cos x=4/5?

asked by Anonymous on October 19, 2010
64. 7th grade Algebra

4w-9(6-5w)=44;w=3 decide whether the given value is a solution of the equation if not find the solution

asked by Maria on October 26, 2011
65. pre calc

Express the function f(x)=1/(x-2)in the form g of h if h(x)=x-2. Find the function g(x). g(x)=?

asked by Karissa on February 23, 2010
66. calculus

I'm not sure how to find the limit of this problem :S limit as x -> 0+ (cos(x))^(1/x^2)

asked by James on May 31, 2010
67. Calculus

Find the derivative of f(x)=x(1-4^x) f'(x)=(1-4^x)+ (-4^x)(ln-4)(-4)(x) ln can't be negative. Is the derivative correct?

asked by sh on October 29, 2010
68. physics only solve now

the greatest and least resultant of vectors are 21 N and 7 N respectively.find the two vectors

asked by debashish on April 30, 2016
69. multiplying integers

-10^2 = i know the answer is -100, but can someone explain how you actually find the answer?

70. Arithmetic Series - - Reiny

Consider the series defined by Sn = 3n-1 Find the first four terms of the series. How exactly do I do this?

asked by Anonymous on September 12, 2011
71. college algebra

find the line that is perpendicular to the line y=1/3x+4 and contains the point (-9,0)

asked by ladybug on October 29, 2012
72. Math

Find the exact value of Sin^-1(sin(13pi/15))

asked by Kelly on March 14, 2011
73. algebra

I am 5% older than my wife.my wife is x% younger then i am.Find x???

asked by sameera rahmn on January 2, 2010
74. calculus help amigos

Find the point on the line 5x+5y+7=0 which is closest to the point (3,−4)

asked by AMELIA on May 7, 2016
75. math

the sum of two numbers is 25. the second number is 5 more than the other one. find the numbers.

asked by joshua on July 23, 2016
76. mathematics

if x square +14x + k is a perfect square find k

asked by augusta on May 11, 2018
77. Maths

The length of a rectangle is 12 cm.This is 1/3 of its perimeter .Find the perimeter

asked by Pinky on December 29, 2016
78. calculus

Find dy/dx by implicit differentiation. x^4 + x^3y + 4y^2 = 7 x cos y + y cos x = 1

asked by Cole on February 23, 2013
79. Maths

One fourth of a number is 10 less than two third of the number find the numbers

asked by Anand sharma on May 8, 2016
80. Math

The difference of a number and its opposite is 28. Find the number

asked by John on June 21, 2016
81. Algebra II

Find the value of the annuity? a^1=2,000,I=0.06, n=5 What is the future value of the annuity?

asked by Kashata Warren on June 19, 2012
82. math

the sum of two numbers is 90. their difference is 18. Find the numbers.

asked by ki on February 13, 2013
83. Math

M partly varies as N and is partly constant. When M=2,N=3,when M=4,N=2.find M when N=1

asked by Fatiah on October 14, 2018

if u have the lcm how do u find the numbers that make the lcm

asked by Anonymous on October 29, 2010
85. Calculus

Find the point on the parabola y^2=x that is closest to the point (1,7?

asked by Asfand on November 13, 2016
86. Trig

find (s+t) given that cos s=1/3 with s in quad I and sin T=-1/2 with t in quad IV

asked by Paige on February 18, 2011
87. science

What is the meaning of cell structure because i can't find the meaning anywhere.

asked by saiyda on January 27, 2010
88. calculus

find the point on the parabola (y=x^2) that is closest to the point (0.75,0)

asked by divesh on May 2, 2011
89. Calculus

Find the point on the line 3 x + y - 5 =0 which is closest to the point ( -3, -3 ).

asked by Anonymous on October 26, 2011
90. Geometry

Find the measure of an angle if its measure is 8 less than its complement

asked by PLZ HELP!!! on October 17, 2016
91. chem

Given the length of Mg in cm and the mass per meter of Mg, how do i find the mass?

asked by Kayla on May 28, 2008
92. Calculus

Find the point on the line -3 x + y + 4 =0 which is closest to the point ( -5, 0 ).

asked by Anonymous on October 27, 2011
93. Surds

Write (2+3^1/2)^1/2 in the form root a plus root b ..and find a and b

asked by Samuel on December 31, 2016
94. algebra

i'm thinking of two numbers, x and y. The sum of 4x and 1 is y. The sum of y and twice x is 13. Find x and y.

asked by bob on May 21, 2014
95. Algebra

Find the x and y intercepts of the equation 2x-5y= -10 So i got this x intercept is -5 and y intercept is 2

asked by Maya on September 12, 2016
96. math

The sum of two numbers is -62. Twice the first minus the second is 41. Find the numbers.

asked by shaneika on September 28, 2015

what does property mean in 3 rd grade math example 4+8= 12 find the property

asked by shemar on October 6, 2009
98. Calculus. I need help!

If f(x)=sin^5x, Find f'(x) i don't know im doing right way f'(x)= 5cosx * sin(x)

asked by danny on February 28, 2012
99. Maths

The product of a fraction and the sum of 3 by 1 /5 and 3 by 1/10 is 9/10. Find the fraction.

asked by Eishaan on June 22, 2016
100. Math

Difference between two numbers is 5 and the product is 6 find the numbers

asked by Anonymous on May 4, 2016