# 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 583
1. ## Dav nandraj:science

A man moves 3.5m towards east then he moves 2m in south then 4.5m towards east. Find its distance and displacement.

asked by Suman on July 6, 2012
2. ## science

Need to prepare a lab that requires 1000ml of 1.0M HCl. You find some 3 M HCl to work with. What do you need and how would you work it out?

asked by clair on February 17, 2011
3. ## geometry

a line segment on a number line has its endpoints at -9 and 6. Find the coordinate of the midpoint of the segment.

asked by leppy on August 20, 2018
4. ## geometry

In a right _angled triangle one of the acute angles is 20 dgrees greater than the other.find the angles of the triangle

asked by Tobi on April 21, 2012
5. ## algebra

Find an equation for a line that has a slope of -13 and contains (-7, 2) Answer choices 1. y = -13x - 89 2. y = 13x + 93 3. y = -13x + 19 4. y = 13x - 33

asked by Joe on March 10, 2018
6. ## Geometry

So are these the correct ordered pairs to the problems. Our teacher told us to find ordered pairs. 1. TX=2x+1,XW=x+7;TW 2. WX=x+5,TW=4x+5:TX 1. (1,8) 2. (3,17)

asked by Chrissy on August 25, 2009
7. ## math

Draw a kite that has a triangle with sides 1, 1, 2x next to a triangle with sides 2x, 2, 2. Find the area A and the x that maximizes it.

asked by rolan on August 8, 2012
8. ## Science

You will find 3 of these in ATP. a)hydroxyl group b) amino group c) phosphate group d) carboxyl group

asked by WIlliam on August 28, 2009

Hemoglobin has a molecular mass of 64 500 u. Find the mass (in kg) of one molecule of hemoglobin. Thanks for your help, but I figured this one out on my own.

asked by Mary on April 15, 2007
10. ## geometry

The area of a rectangle is given by A = x2 + 4x – 5. Find the value of x if the total area of the rectangle is equal to 7 square units.

asked by Anonymous on January 23, 2011
11. ## physics

Find the net change in entropy when 213 g of water at 0.0°C is added to 213 g of water at 96.9°C.

asked by melisa on January 7, 2012
12. ## algerabra 1

how do you find the equation for the line containg the side opposite the side containg the first two vertices?

asked by bridget on June 28, 2012
13. ## bunn high

find the approximate length of the leg of a right triangle with one leg length 8 and hypotenuse lenth 19

asked by Hope on July 7, 2011
14. ## algerabra 1

how do you find the equation for the line containg the side opposite the side containg the first two vertices?

asked by bridget on June 28, 2012
15. ## 6th grade alg

THe question asks to find 3 different ways to write each (value) and exponent. I know how to write the exponent, but I need help with the number which is 81. Can someone help

asked by Asheli on January 16, 2017
16. ## math

find the value of sin negtive 1 (sin 5pie/6) i put 5pie /6.but it ws wrong can you correct

asked by anonymous on April 10, 2009
17. ## Maths

Suppose z=a+bi, where a and b are integers and i is the imaginary unit. We are given that |1+iz|=|1−iz| and |z−(13+15i)|

asked by Oian on April 5, 2013
18. ## Calculus

Let f(x) = \sqrt x. The equation of the tangent line to f(x) at x = 125 is y = Using this, we find our approximation for \sqrt {125.4} is =

asked by Alessandra Romano on October 31, 2014
19. ## Geometry PARALLELOGRAM question?

If ON=8x-8, LM=7x+4, NM=x-5, and OL=3y-6, find the values of x and y for which LMNO must be a parallelogram. {O is on the left, N is on top right, L is on bottom left and M is on bottom right} Thank You :)

asked by Alexandria on January 8, 2012
20. ## Geometry

In hexagon ABCDEF, AB = DE = 2, BC = EF = 4, CD = FA = 6, and all the interior angles are equal. Find the area of hexagon ABCDEF.

asked by Help for this on February 12, 2017
21. ## MATH

In an isosceles trapezoid the length of a diagonal is 25 cm and the length of an altitude is 15 cm. Find the area of the trapezoid.

asked by none on March 15, 2017
22. ## math

The base of a triangle is 6 cm greater than twice the height.The area is 28 cm2.Find the height and the base.

asked by marie on June 2, 2011
23. ## Maths

By selling 36 banana a vendor losses the selling price of 4 banana.find his loss %

asked by Shehzad on September 6, 2017
24. ## MATH(markup and markdown )

3.THE markdown percent for a camera is 20%.if the new retail price is RM250, find the old retail price.

asked by FIZZ on May 2, 2014
25. ## physics

Find the net change in entropy when 213 g of water at 0.0°C is added to 213 g of water at 96.9°C.

asked by melisa on January 6, 2012
26. ## Math

Three rectangles have exactly the same area. The dimensions of each rectangle (as length and width) are a and b; a – 3 and b + 2; and a + 3 and b – 1. Find the area of the rectangles.

asked by HELP PLEASE on November 17, 2010
27. ## math

THE markdown percent for a shirt is 20%.if the old retail price was RM40,find the new retail price.

asked by FIZZ on May 2, 2014
28. ## trig

can someone please help me with this problem. i'm doing my review right now and i'm stuck? Find cos(s + t) given that cos s = 1/3, with s in quadrant 1, and sin t = -1/2, with t in quadrant 4.

asked by donny on April 30, 2010
29. ## f5 math

Mr. Chan buys some flour with $80. The price of flour is$x per kg. If the price is increased by $2 per kg, he will buy 2 kg less than with$80. Find the value of x.

asked by Judy on September 25, 2015

Find the net change in entropy when 213 g of water at 0.0°C is added to 213 g of water at 96.9°C.

asked by melisa on January 6, 2012
31. ## math

if 16 profit on a mobile set is 832 find the cost price of mobile set

asked by duray najaf on July 21, 2017
32. ## Math

A sphere and a right cylinder have the same radius and volume. The cylinder has a height of 3 inches. Find the radius.

asked by Anne on February 21, 2019
33. ## Maths Profit and Loss

The cost price of 12 candles is equal to the selling price of 15 candles . Find the loss%.

asked by Vivek on August 19, 2016
34. ## algebra & trigonometry

The area of a rectangle is 12 square inches. The length is 5 more than twice the width. Find the length and the width. Thanks

asked by daniel on February 11, 2014
35. ## precalc

Given that sin 64° = 9/10 and cos 64° = (√19)/10 find the following: 1. cot 64° = 2. cos -64° = 3. csc 64° = 4. csc -26° = 5. sec 244° =

asked by a on September 16, 2015
36. ## Calculus

Let f(x) = \sqrt x. The equation of the tangent line to f(x) at x = 125 is y = . Using this, we find our approximation for \sqrt {125.4} is

asked by Alessandra Romano on October 31, 2014
37. ## Math

If two fair dice are​ rolled, find the probability that the sum of the dice is 6​, given that the sum is greater than 3.

asked by Joshua on September 22, 2016
38. ## Algebra

Given that, 9,554 divided by 562=17, how can you find the quotient 95,540 divided by 562? Please help answer thanks

asked by Ms. Liz on October 7, 2014
39. ## physics

How do you find a velocity-time graph from a position-time graph. pls help. i do not understand how to do it

asked by ted on October 17, 2011
40. ## Probability

If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability that all 3 cards are picture cards.

asked by Katie on May 7, 2012
41. ## physics

How do you find a velocity-time graph from a position-time graph. pls help. i do not understand how to do it

asked by ted on October 17, 2011
42. ## physics

How do you find a velocity-time graph from a position-time graph. pls help. i do not understand how to do it

asked by ted on October 17, 2011
43. ## maths

3/5 of the students are girl and number of boys are 200 in a class. Find the number of students?

asked by amit narang on July 23, 2014
44. ## Math

At what point of the curve y= x^4 is the normal line parallel to 2x + y = 3? Find the equation of the normal line.

asked by Laura on January 29, 2017
45. ## Algebra 2

y varies jointly as x and z, and y=98/3 when x=2 ans z=7. Find y when x=7 and z=3. Options: A: y=7/3xz; 49 B: y=6/7xz; 18 C: y=14/3xz; 98 D: y=3/7xz; 9

asked by Stacie on June 22, 2013
46. ## Chemistry

A solution contains 14% by mass of h2so4.find the number of moles of h2so4 in 155g of solution

asked by Sharad on May 1, 2016
47. ## dot product of vecotrs

Question: Find (3a+b)dot(2b-4a) if a=-i-3j+k and b=2i+4j-5k I did: =3(-1,-3,1)+(2,4,-5)dot 2(2,4,-5)-4(-1,-3,1) =(-3,-9,3)+(2,4,-5)dot(4,8,-10)-(4+12,-4) =(-1,-5,-2)dot(0,-4,-6) =(0,20,12) =0+20+12 =32 The text book answer is -80. What did I do wrong/

asked by annonymous on February 7, 2015
48. ## Geometry

Find the ratio of the interior angles of a triangle if their respective exterior angles are in the ratio of 5:6:7.

asked by -N on September 29, 2015
49. ## Math

The angles opposite the congruent sides of an isosceles triangle are congruent find the value of X in the triangle 70

asked by Lisa on February 4, 2019
50. ## math

One side of triangle is 10 centimetres, two angles next to that side are 30° and 60°. I need to find all three angle bisectors of triangle.

asked by eve on January 15, 2012
51. ## PreCalc

If tan theta = 9/5 and cot omega = 9/5 Find the exact value of sin (omega-theta)

asked by Joel on May 8, 2013
52. ## Calc 2 taylor series

use the definition of a taylor series to find the Taylor series (centeredat c) for the function. f(x)= 7/x c=1 so what is f(x) as n goes from 0 to infinity?

asked by Em on July 31, 2011
53. ## Math

The domain of g(x) is -1< x < 9 What is the domain of g(x - 4) I know the Domain: ?< x

asked by Rai on October 10, 2014
54. ## chemistry

i need to prepare 25.00 mL of a solution of a certain vitamin at a concentration of 2.00 mg/ml. how do i find the weight of the vitamin needed in the solution

asked by marla on February 23, 2012
55. ## math

Find a function f which satisfies the integral equation Int(bounded from 0 to x) t*f(t)dt = Int(bounded from x to 0)(t^2+1)*f(t)dt +x

asked by sisca on May 29, 2011
56. ## 4th grade

(math) find a rule. writhe the rule as an equasion. use the equasion to extend the pattern.

asked by Becky on October 1, 2009
57. ## geometry

In kite PQRS, m

asked by Enno on February 3, 2012
58. ## Physics

Two positive charges with the same magnitude are one meter apart. Find the magnitude of the charges if the force between them is one Newton.

asked by Amanda on May 8, 2012
59. ## geometry

a parabola whose axis is parallel to the y axis passess through the points {1,1), (2.2) and (-1,5). Find the equation of the parabola

asked by heidi on December 30, 2015
60. ## mathematics

Three times the reciprocal of the sum of two consecutive odd integers is 3/20. Find the two consecutive off integers.

asked by me on June 5, 2011
61. ## math

two sides are equal other than third side perimiter of triangle is28 find each side of triangle

asked by vikram on September 13, 2018
62. ## Maths

if the ratio of the length to the breadth of a rectangle be 5:3 and its perimeter is 144m, find the length of the rectangle .

asked by san on February 4, 2012
63. ## chemistry

Which of the following is not a one-electron atom A) H B) He+ C) Li2+ D) Be2+ E) O7+ I know that H, He+, Li2+ and Be3+ are. i can't seem to find out about Be2+ and O7+. How to I calculate it?

asked by lavonne on November 3, 2010
64. ## Mount Carmel

In a trapezium ABCD , angleA :angleD = 3:2 and angle B : angle C = 4:5 . Find all angles of trapezium .

asked by Yashvi on September 10, 2015
65. ## human service

Do you write a rites of passages, the same way you would write a research paper? Do you know where I can find a sample paper?

asked by Patiance on February 3, 2011
66. ## Algebra

I am having trouble with the following : find the slope and the y intercept of the line 7x=6y+12. I have the slope as 3 and the y intercept (0,3), if not can you show me how to get to the right answer

asked by Jenniah on September 12, 2010
67. ## probability

hi! how would you figure out a problem where you are given a probability of success for 12 people and you are trying to find the probability of success for 1 person?

asked by ali on December 8, 2009
68. ## Math

triangle abc has coordinates a(1 4) b( 3, -2); and c( 4, 2) find the coordinates of the image ABC after a reflection over the x- axis

asked by HELP MEEEEE on December 16, 2014
69. ## precals

find the equations of the lines to the line whose equations is y-17 / x -13 = -3 /2 If these lines each pass through the point (6,-5) Gracias`

asked by treeema on April 25, 2010
70. ## math

find the value of a and b , so that 10x to the power 4 + 17x to the power 3 - 62x to the power 2 + 24x -bx -5 +a,is divisible by 2x to the power 2 + 7x - 1 ?

asked by TUHITUHI on August 27, 2012
71. ## Cross Product of Vectors

Find a unit vector perpendicular to a=(4,-3,1) and b=(2,3,-1) What I did: a x b = ((-3)(-1)-(3)(1), (1)(2)-(-1)(4), (4)(3) - (2)(-3)) =(0,6,18) Answer is (0, 1/square root 10, 3/square root 10)

asked by annonymous on February 9, 2015
72. ## calculus

How do you find the x-intercept of a cubic graph? For example y=2x^3+2, also, how does the 2 in front of the x influence the graph when compared to having a one in front?

asked by Ally on April 12, 2011
73. ## Physical Chemistry

If the n = 3 to n = 4 transition for a certain particle-in-a-box system occurs at 4.00 x 10^13 s -1 , find the frequency of the n =6 to n =9 transition in this system.

asked by Lorin on December 1, 2015
74. ## algebra

given the following quadratic equation, determine if it has a maximum or a minimum value. Then find the maximum or minimum value f(x) - -11x^2 - 2x - 7

asked by anon on December 1, 2011
75. ## Algebra

The sum of two numbers is 53. If twice the 1st number minus 3 times the second number is 26, find both numbers.

asked by Nick on December 1, 2015
76. ## math

An integer is 5 more than another integer. Three times the bigger integer is 11 more than the square of the smaller integer. find the two integers

asked by hashim on December 30, 2015
77. ## Algebra 2

y varies jointly as x and z, and y=98/3 when x=2 ans z=7. Find y when x=7 and z=3. Options: A: y=7/3xz; 49 B: y=6/7xz; 18 C: y=14/3xz; 98 D: y=3/7xz; 9

asked by Stacie on June 22, 2013
78. ## pleeaasee hellpp!!

if sec x=the square root of 5/2 with angle x in quadrant IV and than y= -(1/3) with angle in quadrant II, find the value of sin (x-y)

79. ## math

1)List all #s less than 100 with exactly 5 factors. For this I got 16 , 64, and 81. 2)Find the next 2 #s, each greater than 100, that have exactly 5 factors. This is the problem I am having trouble with.

asked by Hoplessly lost on September 14, 2008
80. ## Algebra - functions

Given the function: f(x) = 5/(x-1)^2 Find the Horizontal Asymptote: Vertical Asymptote: Hole(s): X intercept: Y intercept:

asked by Kendrick on April 11, 2014
81. ## Math

the equation of striaght line is 2x-3y+8=0 find the equation of the straight line passing through (4,-2)and parallel to L

asked by Jessica on April 12, 2012
82. ## math

In the correlation coefficient, what is the difference between r^2 and r? I know the correlation coefficient is r, and to find r you take the square root of r^2, but why do they show r^2?

asked by Carly on October 24, 2017
83. ## Pre-Algebra

A sphere and a right cylinder have the same radius and volume. the cylinder has a height of 3 inches find the radius.

asked by Marie on February 27, 2017
84. ## calculus

how do you find the dy/dx of the square root of x minus the square root of y equal to 10? You have to use implicit differentiation.

asked by Lacey on March 23, 2008
85. ## math

Find the height of the tree 27feet and 14feet what is the height of the tree to the nearest tenth

asked by betty on March 8, 2016
86. ## algebra

Graph the line containing the given pair of points and find the slope (1,0) , (-5, -3) -3-0/-5-1 + -3/4 so the slope would be M=-3/4 but how do you graph -3/4? Am I looking at this correctly.

asked by confused on September 12, 2009
87. ## Calculus

1) Find the derivative with respect to x of Integral from 1 to X^3 of sqrt( 1 + t²) dt I got sqrt( 1 + X^6) * 3x². Is that right? 2) Integral from 0 to pi/2 of Xcos(X²)dx

asked by Sam on December 5, 2007
88. ## math help please

Helen has\$1.35 in her bank in nickels and dimes. There are 9 more nickels than dimes. Find the number she has of each kind.

asked by Tiffany on October 18, 2011
89. ## Math

Let f(x) be a function such that f′(x)=x(ln|x|)^2. Find the open interval(s) in which f(x) is concave down . In interval notation, f(x) is concave down in ___________

asked by Kevin on November 23, 2015

The sum of three times a first number n twice second number is 8. If the second number is subtravted from twice the first number, the result is 3, find the numbers.

asked by Jeconiah on August 30, 2012
91. ## alison

How do i find the points of inflection for: f(x)= (1/12)x^4 -2x^2 +15 The answers are (2, 25/3) and (-2, 25/3) but i don't know how to get the answers. Can someone show me step by step?

asked by math on November 8, 2009
92. ## Math

If f(x)= sqrt(x+1) find f^-1 and sketch its graph. If you can't sketch the graph that is fine I will figure that part out. Thanks

asked by Dillan on March 31, 2011
93. ## Trig

If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability that all 3 cards are picture cards.

asked by Katie on May 7, 2012
94. ## Math

A(-11,8)B(2,-6) and C(-19,-8) are the vertices of Triangle ABC. N(X,Y) is a point on AC such the BN is Perpendicular to AC. Find Area of Triangle ABC. PLEASE HELP!!!

asked by Anonymous on January 24, 2009
95. ## math

The length of a rectangle is three more than twice its width. Its perimeter is 24 inches. Find its dimensions​ length and​ width.

asked by Ken on March 11, 2016
96. ## math

On the sphere x^2+y^2+z^2 = 13^2, there are many great circles that intersect at (3, 4, 12). Find coordinates for the other point where these circles all intersect.

asked by Grace on March 1, 2017
97. ## Calculas-Differentiation

Find the coordinates of a point on the curve y=6-x^2 at which the tangent of the curve at the point is perpendicular to the line y=1/4x+1.

asked by Lam on November 8, 2016
98. ## Math

The coordinates of the midpoint of the line AB are (1, 2). The length of the line AB is 10 units. If the gradient of AB is 0, find the coordinates of A and B

asked by Kevin on February 1, 2017
99. ## geometry

Triangle ABC is an isosceles triangle, where angle B is the vertex angle. If BC = 10x-4 , AC= 2x+18 , and AB= 6x+32, find the value of x.

asked by tim on December 15, 2010
100. ## Calculus

Find the points of intersection for y=e^x and y=sin(2x). are there an infamous (sp?) number of points of intersection for these equations?

asked by katie on August 22, 2011