# 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

92,404 questions, page 578
1. ## algebra

the area of the parallelogram is 96 square miles. Find its base and height. if the base is x+5 and the height is x-5

asked by chris on April 23, 2010
2. ## 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
3. ## Pre-calculus

The graph of [r = -5/(2 cos \theta + sin \theta)] is a line. Find the y-intercept of this line.

asked by Pallav on December 14, 2016
4. ## Pre-calculus

The graph of [r = -5/(2 cos \theta + sin \theta)] is a line. Find the y-intercept of this line.

asked by Pallav on December 14, 2016
5. ## Physics

Two point charges are separated by 6cm. The attractive force between them is 22 N. Find the force between them when they are separated by 12 cm.

asked by Sarabeth on July 8, 2011
6. ## math

Find the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if BY = 3, YC = 2

asked by Anonymous on June 6, 2011
7. ## math

the length of a rectangle is 1 inch less than twice the width, and the perimeter is 40 inches.find the width and the length.

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

Find the equation of a locus of a point which moves so that the sum of its distance from (2,0)and (-2,0) is 8. it is about equation of a locus.. please help!!

asked by Anal-G on January 14, 2011
9. ## Math

The sum of three times and one is not greater than the sum of twice that number and seven.Find the poosible range of value for the number

asked by Anonymous on January 5, 2018
10. ## 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
11. ## Science

1. How many neutrons are in an atom of potassium? I really only want to know how to find the number of neutrons in an atom because that would help me a lot for the following questions.

asked by Barry Vacker on February 25, 2019
12. ## 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
13. ## math

if out of two numbers, one number is increased by 10% and other number by 20%,find percentage increase in the product of the two numbers

asked by imli on May 11, 2016
14. ## Calc 2 Urgent Surface Area

Find the area of the surface generated when y=4x and x=1 is revolved about the y-axis. We have to use the surface area formula.

asked by Melissa on December 14, 2016

A writer was paid $27,000 for a 3,000-word article. Find the rate per word asked by Jenny on October 26, 2016 16. ## Math a) Find all of the numbers between 1 and 1,000 that have 2 as their only prime factor. b) What is the next number after 1,000 that had 2 as its only prime fractor? asked by Joe on October 4, 2017 17. ## geometry Find the measures of all angles formed by line a parallel to line b with transversal m, if: a one of the angles is 77° asked by Letizia on October 25, 2016 18. ## Math If the diameter of a wheel is 10 inches. What is the radius and how would I find its circumference. Thanks I do understand that the radius is twice the circumference. asked by Americal on March 15, 2011 19. ## 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 20. ## Algebra I have one question I really need help with. I know the partial sum process but my numbers don't seem to come out to what I think it should be. Find the partial sum S6 1. An=3n+2 asked by Jess on April 4, 2013 21. ## math If the area of a rectangle is 84 square inches.How do i find its length and width? Length is (x+3) width is (x-2). asked by Michael on November 1, 2012 22. ## math the length of a calculus book is 2 inches more than the width. the perimeter is 36 inches find the width asked by Greg on October 10, 2010 23. ## Math Find the difference in length of two boards if one board is 5/12 of a yard long and the other is 2/3 of a yard long? Would this be 8/12-5/12 = 3/12= 1/4? asked by Shari on September 25, 2017 24. ## 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 25. ## maths Find the cost a square garden in 30 feet at the rate of 83 rupees per square feet asked by elakkiya on October 21, 2016 26. ## Calculus Use the given graph of f to find a number δ such that if 0 < |x − 3| < δ then |f(x) − 2| < 0.5. since i cannot put up the graph ill put the coordinates (2.6,1.5) (3,2) (3.8,2.5) Please help im not sure how to solve this asked by Angel on September 25, 2017 27. ## Math The difference of two numbers is 4. Three Times the smaller number is 4 more than twice the larger number. Find the numbers. asked by Manish on December 26, 2016 28. ## 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 29. ## Pre calculus Find the value for sin(theta), cos(2 theta)=3/4 and 270 degrees asked by Leslie on May 5, 2016 30. ## 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 31. ## math the length of a rectangle is 7cm more than its breadth.If the perimeter is 62cm, find the length and breadth. asked by Neelesh on February 18, 2016 32. ## trig Find the reference angle for each given angle: a) 325 degrees b) 14pi/3 c) -190 degrees asked by Anonymous on January 26, 2012 33. ## math Find the slope, x-intercept, and y-intercept for the line 9 x + 10 y + 16 = 0 I found y to be -1.6, the slope to be -.9 and x to be wither 0/9 or -16 but it said i got x wrong asked by Allie on September 1, 2009 34. ## math the supplement of an angle is 20 degrees less than 3 times its complement. find the ratio of the supplement to the complement. asked by hannah on January 23, 2016 35. ## Physics After an average acceleration of 3.21 m/s2 during 2.41 s, your car reaches a velocity of 15.9 m/s. Find the car\'s initial velocity. asked by Mel on September 3, 2015 36. ## Math 1. The length of the hypotenuse of a 30-60-90 triangle is 7. Find the perimeter. A) 7/2+21/2 sqrt 3 B) 21+7 sqrt 3 C) 7+21 sqrt 3 D) 21/2 + 7/2 sqrt 3 Could someone please help me, I don't know how to do this. Thank you! asked by Tim on June 7, 2016 37. ## 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 38. ## Calculus A 15.2-F capacitor has an initial voltage of 2.00 V. It is charged with a current given by i=tã5=t^2. Find the voltage across the capacitor at 1.75 seconds. asked by Tim on August 21, 2012 39. ## MATh please help 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
40. ## Pre-Cal(Please help)

Find (a) f X g , (b) g X f, and (c) f X f f(x) = 3sqrt x-1 g(x) = x^3 + 1 For the f(x) the 3 is little above the sqrt sign. my answers were: (a) = 3sqrt x^4 -1 (b) = x^4 -1 (c) = 6sqrt x+1 These answers are wrong but I do not know how to do this.

asked by Hannah on March 25, 2010
41. ## MATH

THE DIFFERENCE BETWEEN TWO NUMBERS IS 16. FIVE TIMES THE SMALLER IS THE SAME AS 8 LESS THAN THREE TIMES THE LARGER. FIND THE NUMBERS? HOW DO YOU SOLVE THIS? PLEASE.

asked by CHLOE on February 11, 2008
42. ## 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
43. ## 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
44. ## Calculus 2

Find the arclength of y=x^3/3+1/(4x) from 1 to 2. I know that arclength is the integral from 1 to 2 of the sqrt of (1 + (y')^2)dx, but have not been able to figure out how to evaluate the integral. Your help is much appreciated!

asked by Heather on March 24, 2013
45. ## geometry

Triangles ABC and PQR are similar with m angle A = m angle P and m angle B = m angle Q. If AB, BC, and AC are 3, 4, and 5 ft long respectively and QR is 10 ft, find PQ.

asked by Brett on May 6, 2011
46. ## geometry

The measure of the angle’s supplement is 50 degree more than five times that of its complement. Find the measure of the angle described.

asked by jackie on May 16, 2011
47. ## algebra

The sum of two number is 40.Two times the smaller number exceeds the larger number by 38.Find the number

asked by lucia on June 13, 2012
48. ## 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
49. ## parallell and perpendicular lines

please check my homework given P(7,2) and the line y + 3x=7 find the equation for the line parallel line: y+3x+7 y=-3(x-7) +7 y-2=-3x+21+7 y=-3x+28+2 y=-3x+30 perpendicular line: y-2=1/3(x-7) +7 y-2=1/3x-7/3 +21/3 y-2==1/3x + 14 y=1/3x + 14 +2 y=1/3x +16

asked by luckybee on February 19, 2012
50. ## college geometry

A rectangle ABCD has three of its vertices at A(2, 1), B(6, 1), and C(6, 3). Find the fourth vertex D and the area of rectangle ABCD.

asked by Mark on May 29, 2015
51. ## Math

The distance on a map is given. Find the actual distance, if the scale on the map is 1 in.=60 miles. 2 3/4 in. Please help! Thank you in advance.

asked by Plse Help on March 13, 2008
52. ## math

asked by anonymous on October 2, 2011
53. ## math

The circle touches x-axis at (3,0) and intercepts y-axis with 8 units.Find the equation of circle.

asked by kishor on January 10, 2016
54. ## 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)

asked by Please Answer :) on May 26, 2010
55. ## algebra 2

for each function, find an equasion for the inverse. then use composition to verify that the equasion you wrote is the inverse. f(x)=14.4x

asked by peggy on October 7, 2009
56. ## Maths

If O is the centre of the circle and the area of sector OAPB is 5/18 of the area of circle . Find angle.

asked by Shruti katiyar on January 2, 2013
57. ## math

how to explain to my son write doubles fact you can use to find the sum.Write the sum 2+3=

asked by scott on October 19, 2015
58. ## calculus

dy/dx= (2x-2xy)/(x^2+2y) Find all points on the curve where x=2. Show there is a horizontal tangent to the curve at one of those points.

asked by sara on October 20, 2007
59. ## Math

When 8 is divided to a certain number and the result is divided by 6 the ans is less than 1quarter. Find the range of the number

asked by Ib on February 24, 2017
60. ## math

Find the sum of all positive integers m such that 2^m can be expressed as sums of four factorials (of positive integers).

asked by raja harishchandra on June 5, 2013
61. ## math

An edge of a cube is increased by 10%. Find the percent by which the surface area o fa cube has increased?

asked by Swati on February 19, 2012
62. ## trig

Find a numerical value of one trigonometric function of x if secxcotx=4 A.cscx=1/4 b.secx=4 c.secx=1/4 d.cscx=4

asked by lan on May 8, 2011
63. ## ALgebra

the difference of two numbers is 5. three times the smaller number is two more than twice the larger number. find the numbers

asked by mike on October 30, 2010
64. ## Pre-Cal

Find (a) f X g , (b) g X f, and (c) f X f f(x) = 3sqrt x-1 g(x) = x^3 + 1 For the f(x) the 3 is little above the sqrt sign. my answers were: (a) = 3sqrt x^4 -1 (b) = x^4 -1 (c) = 6sqrt x+1 These answers are wrong but I do not know how to do this

asked by Hannah on March 25, 2010
65. ## Math 120

If a force of 5 pounds stretches the spring 2 inches, find K. How far will 18 pounds stretch the spring

asked by Kim on July 15, 2012
66. ## pre-calculus

Please diregard the other one the square root sign did not come out right. find the complete function f o g f(x)=x^2+1;g(x)= square root x-4

asked by ladybug on October 6, 2012
67. ## 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
68. ## History/American Government

Find one difference between the Arizona state constitution and the US Constitution. Explain why you think this difference occurred.

asked by bean on March 28, 2017

An item originally cost $16.95 and is on sale or 22%. Find the cost of the item. Explain each step asked by michelle on April 23, 2014 70. ## Pre-calculus Find the equation of the locus of the point which moves so that its distance from the point (2,0) is 2/3 its distance from the line y=5. asked by Ace on August 31, 2016 71. ## Geometry Find the length of a segment that has endpoints h(2, -3) and j(12, 7) 20 10 square root 2 4 square root 2 40 Please help? Thx asked by SkatingDJ on November 25, 2015 72. ## 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 73. ## 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 74. ## Geometry In triangle ABC, AD bisects angle A, BD=4 and CD=5. The perimeter of triangle ABC is 29. Find the lengths of AB and AC. asked by Anonymous on January 5, 2016 75. ## geometry A point p(x,y) is on the line through A(-4,4) and B(5,2).Find (a) the coordinates of P given that the segment AB is extended through B to P so that P is twice as far from A as far from B,and (b) the coordinates of P given that AB is extended through A to P asked by neil on August 23, 2011 76. ## calculus Find the second derivative of y=loge(logex) Show that y=loge(logex) is a solution of the equation xd^2y/dx^2 + x(dy/dx)^2 + dy/dx=o asked by daria on March 30, 2008 77. ## physics PLEASE helpp 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 78. ## algebra 2 The width of a rectangle is 3ft less than the length, the area is 4ft^2 find the length and width asked by Fred on November 16, 2008 79. ## math The shadow of a 6-ft man measures 5 ft, and his son's shadow is 12. Explain how to find the height of the son. asked by fran on February 13, 2011 80. ## geometry In kite PQRS, m asked by Enno on February 3, 2012 81. ## geometry find the similarity ratio of a cube with volume 729 m^3 to a cube with volume 3,375 m^3? asked by Anonymous on October 20, 2012 82. ## Math, algebra 1. If$x (sqrt xy)/(|x-y|), find 4 (9 1) to the nearest tenth. =diamond This is a function, where the "diamond" represents a function. 2. If f(x) = 3x^2 - 5, what is the value of f(f(-1))?

asked by JOHN on July 6, 2017
83. ## math pre-calc

find an expression for sin (5 theta) as a fifth degree polynomial in the variable sin(theta) ?

asked by aparajita on January 19, 2013
84. ## math, please help

1)List all #s less than 100 with exactly 5 factors. For this I got 16 , 36, 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 lily on September 14, 2008
85. ## Math word problem

The length&breadth of a rectangle are (x+5)cm&3cm respectively.Find the length if the area of the rectangle is 42 cm2.

asked by kimi on October 4, 2011
86. ## Math

Perimeter of a rectangle is 60 cm.Length is 2 cm less than three times of its breadth. Find length of sides of the rectangle

asked by Mayoor on August 23, 2016
87. ## Calc

Can you help me find the first and second derviative for xsquare root 4-x^2. FOr the first one I got -2x^2-4/square root 4-x^2. And for the second derviative I got -4(4-x^2)^1/2x+(2x^3-4x)(1/(4-x^2)^1/2) over 4-x^2 Can u let me know if they are correct if

asked by denice on July 9, 2017
88. ## 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
89. ## Math - Linear Algebra

Let S be the plane defined by x−4y−3z = −18, and let T be the plane defined by −2x+8y+7z = 41. Find the vector equation for the line where S and T intersect. x 0 0 y = 0 + t0 z 0 0

asked by Mary on December 8, 2013
90. ## Pre calculus

Why is it dangerous to use the law of sines to find an angle but is not dangerous to use the law of cosines? Please explain this thoroughly.

asked by Anonymous on December 8, 2013
91. ## 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
92. ## 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
93. ## mtti

A triangle has vertices a(0,2),b(3,7)and c(0,6)give that abcd is parallelogram find the area of parallelogram abcd

asked by Sydney on April 5, 2017
94. ## 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
95. ## Math

Suppose S and T are mutually exclusive events. Find P(S or T) if P(S) = 29% and P(T) = 49%. What equation would I use for this question? What if they were not mutually exclusive?

asked by M, S, E, on May 9, 2017
96. ## 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
97. ## algebra

The width of a rectangle is 3ft less than the lenght. The area is 4ft^2. Find the lenght and the width

asked by lisa on December 17, 2011
98. ## 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
99. ## 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
100. ## math

1)List all #s less than 100 with exactly 5 factors. For this I got 16 , 36, 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 Lily on September 14, 2008