# 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

93,754 questions, page 545
1. ## math

A 42 inch board that's cut into two pieces. one piece is two times the length than other. Find the length of the two pieces. short and long

asked by sheryl gray on December 10, 2014
2. ## Chemistry

How do you find the initial concentration of the acid give the titration curve of a weak acid-strong base titration?

asked by Anonymous on March 19, 2014
3. ## Geomerty

Find a Counterexample to show that the conjecture is false. Conjecture: Any number that is divisible by 6 is also divisible by 12. A. 36 B. 30 C. 48 D. 60 Im thinking that the answer is B. 30, but i was just making sure.

asked by Court on April 12, 2010
4. ## math

Each side of an equilateral triangle is increasing at a rate of √3 cm/min. find the rate at which its area increasing when its edge is 12 cm long

asked by samson on March 31, 2015
5. ## algebra

If i have the cost per quart of vinegar and the % of acetic acid for each of 4 brands, what would be an equation i could use to find out which brand has the most acetic acid for the money?

asked by nicole on October 25, 2010
6. ## math

John took out a loan for 51 months but paid it in full after 31 months. Find the refund fraction he should use to calculate the amount of his refund. would it be 51/31?

asked by Marshall on November 17, 2013
7. ## maths

perimeter of a equilateral triangle is given as 42 cm. Find the perimeter of a shaded part of triangle if the 3 sectors of a circle marked are identical

asked by hesham on March 12, 2011
8. ## Biology

I am doing an essay about the nuclear envelope. However, I can't find very good information about the function of this organelle. For example, how does the nuclear envelope protect the nucleus?

asked by Natalia on March 17, 2008
9. ## Math-Algebra

Given the table with values for A and r, answer the folowing: r 2 3 4 5 A 12.57 11.31 50.28 78.56 a. What equation represtnts the relationship of the values in the table above? b. Find the constant of variation. c. If r = 8, what would be A?

asked by Marie Pierre on November 17, 2013
10. ## math

Each side of an equilateral triangle is increasing at a rate of √3 cm/min. find the rate at which its area increasing when its edge is 12 cm long

asked by Olanrewaju on March 31, 2015
11. ## Algebra

The difference of the cubes of two consecutive odd positive integers is 400 more than the sum of their squares. Find the sum of the two integers.

asked by John on March 4, 2013
12. ## physics newtons laws

A 184 N bird feeder is supported by three cables. angle 1 is 60 degrees and angle 2 is 30 degrees Find the tension in each cable.

asked by luc on October 18, 2009
13. ## Math

A binary operation * on the set of real numbers is defined by a*b= a+b-ab for a,b, c is belongs to R. i) show that the operation is associative. That is, (a*b)*c=a*(b*c) for all a,b,c belongs to R. ii) Find the value of -5*8 and also the value of

asked by Ilukui on May 2, 2016
14. ## Math

Two numbers are in the ratio of 3 to 4. If the smaller number is increased by 10 and the bigger number is decreased by 10, the results are equal. Find the numbers?

asked by Anonymous on March 5, 2016
15. ## Geometry

The midpoint of line segment AB is (1,2). The coordinates of A are (-3,6). Find the coordinates of B. I know how to figure out midpoint, but I'm having trouble figuring out how to do this problem. Any help would be appreciated. :)

asked by Abigail on September 23, 2009
16. ## Trig

Linear and angular speed Find w for each of the following: 1. the minute hand of a clock 2. the second hand of a clock The answer to #1 should be pi/30, but I do not understand how to solve these.

asked by Laken on November 2, 2009
17. ## Algebra

One skier covered the distance of 20 km 20 minutes faster than the other skier. Find the speed of both skiers if one of them is travelling 2 km/hour faster than the other one.

asked by Anish Panda on March 5, 2016
18. ## Math

Suppose that an isosceles triangle has two sides of length a and one side of length c. 1) Find the area of the triangle in terms of a and c. Simplify as much as you can.

asked by Help on October 1, 2016
19. ## science

To find acceleration, subtract the final velocity from the initial velocity and divide by the time. true false I think this is false...?

asked by Cassie on March 11, 2013
20. ## English

Find the best answer to the question. Which word does not suggest a second appearance? disgorge efface recapitulation regurgitate My answer:efface

asked by Nikki on May 14, 2015
21. ## Math

Find the area for the circle use 3.14 for pi. round to the nearest tenth 4mm is in the middle A. 12.56 mm squared B. 25.12 mm squared C. 50.24 mm squared D. 502.4 mm squared

asked by a name on April 4, 2019
22. ## Circles.

Ok I'm trying to find the radius of a circle with the given measurement. 4/5C=17 C stands for Circumference. Solve for C (multiply both sides by 5/4) Then, solve for radius R= C/2PI

asked by Scott on July 19, 2007
23. ## maths

Two tangents XY and XZ are drawn from a point X to a circle with center W.If the length of XZ is 156 and the length YZ is 120,find the radius of the circle.

asked by Nitumoni on September 6, 2014
24. ## geometry

draw a diagram to explain how it is possible for 2 central angles to be congruent, yet their corresponding minor arcs are NOT congruent. Please help! thanks! (3z-5)degrees (5z-47)degrees Find the value of z and m

asked by marco on January 30, 2007
25. ## math

The difference of the cubes of two consecutive odd positive integers is 400 more than the sum of their squares. Find the sum of the two integers.

asked by nice on March 10, 2013
26. ## Calculus

It took 1800 J of work to stretch a spring from its natural length of 2m to a length of 5m. Find the spring's force constant. Please help. Thanks in advance.

asked by JEUCD 37 on March 8, 2012
27. ## physics

two forces whose magnitude are in the ratio 3:5 give a resultant equal to 35 newton if the angle between them is 60 degrees find the magnitude if the resultant

asked by manish roy on July 13, 2011
28. ## Calculus

Find the derivative of y with respect to x: y=3sin^4(2-x)^-1 y=[3sin(2-x)^-1]^4 y'=4[3sin(2-x)^-1]^3 (-3cos(2-x)^-1)(-1) -(2-x)^-2 y'=[12cos(2-x)^-1][3sin^3(2-x)^-1][2-x]^2 but the answer does not have a 3 in front of sin. What happened to the 3?

asked by sh on March 21, 2010
29. ## Mathematics

if d sum of two numbers is 8 and their product is 15.if the answer of this equation is 3and5 find the number and check let the two numbers be xandy and you must check

asked by opeyemi on December 5, 2016
30. ## geometry

An isosceles triangle has two 10.0-inch sides and a 2w-inch side. Find the radius of the inscribed circle of this triangle, in the cases w = 5.00, w = 6.00, and w = 8.00.

asked by Johny G12 on April 11, 2010
31. ## maths

1: Length of lactus rectim of parabola with vertex(1,2) and directrix 3x-4y-2=0 is A) 27/5 B) 18/7 C) 28/5 i kniw the formula to find length of lactus rectum =4a

asked by ash on April 16, 2016
32. ## Math -Calculus

A cylinder with radius of 20 ft is being filled with water at a rate of 2000 ft^3/hour. Find the rate at which the height of the water is increasing.

asked by Puja on November 19, 2012
33. ## geometry

Each of the twelve edges of a cube of edge 'a' is tangent to a sphere. Find the volume of that portion of the cube which lies outside the sphere.

asked by defensivepoison on November 15, 2016
34. ## General Science

Would you expect to find more dissolved oxygen in ocean water around the North Pole or in ocean water nearer the equator?Why?

asked by Jen on February 19, 2008
35. ## Maths

A 3.8 m ladder making a 65° angle with the ground rests against a vertical wall. Find the distance of the foot of the ladder from the wall.

asked by IBM on August 9, 2016
36. ## AP Chem

How would you find a formula for a salt that contains NH4+ and is basic? I understand how to determine if a salt is acidic or basic but i don't know how you would go in reverse.

asked by Elizabeth on February 18, 2014
37. ## algebra

the perimeter of a rectangular field is 172 meters. double the width is 4 meters more than the length. find the area of the field.

asked by erika on February 4, 2012
38. ## algebra

a pair of skiis in a set of bindingd=s together cost \$494. Find the price of each if the skiis cost \$10 less than 6 times as much as the bindings?

asked by mang on January 9, 2011
39. ## physical science

find the mass of sodium chloride formed when 6.9g of sodium burns in a gas jar filled with chlorine gas.

asked by winston on February 22, 2012
40. ## Geometry

Two spheres of copper, of radii is 1centimeter and 2centimeter respectively, are melted into a cylinder of radius 1centimeter. Find the altitude of the cylinder.

asked by Anonymous on September 11, 2016
41. ## Math

two cards are drawn from a deck of cards. Once a card is drawn, it is not replaced. Find the probability of drawing a queen followed by a king.

asked by Jesse on January 27, 2013
42. ## math

The width of a rectangle is (5x-7). Find the polynomial equation reppresenting the area of the rectangle if its lenght is three more than four times as long as its width

asked by jerome on December 3, 2015
43. ## algebra

determine the given quadratic function has a minimum valueor maximum vale. Then find the coordinates of the minimum or maximum point. f(x)=x^2=2x-9

asked by joe on February 4, 2013
44. ## Calculus

Consider the differential equation dy/dx=xy-y. Find d^2y/dx^2 in terms of x and y. Describe the region in the xy plane in which all solutions curves to the differential equation are concave down.

asked by Michelle on May 1, 2014

The perimeter of the base of the regular quadrilateral pyramid is P = 30 cm. Find the sum of all edges of this pyramid, if the perimeter of a lateral face is 27.5 cm

asked by Katniss Everdeen on April 23, 2017
46. ## Geometry

A solid is composed of a cube with side length 6 meters and a hemisphere with diameter 6 meters. Find the volume of the solid.

asked by Peter on June 1, 2011
47. ## algebra 1 :(

The height of a triangle is 8m less than the base. the area is 10m^2. Find the height and base. I really need help on just turning this word problem into an equation!

asked by nicole on December 11, 2007
48. ## Math

The longer leg of a triangle is one foot less than twice the shorter leg. The hypotenuse is 17 feet long. Find the area of the triangle.

asked by Jane on April 15, 2014
49. ## Stats

You take and SRS of size 25 from a population with mean 200 and standard deviation of 10. Find the mean and the standard deviation of the sampling distribution of your sample mean.

asked by Ryan on July 14, 2011
50. ## Mathematics

The length of a rectangular backyard is 7 feet less than four times its width. If the area of this garden is 15 ft2, find the length of the garden?

asked by Amy on May 19, 2013
51. ## statistic

Your professor tells you that if you score an 85 or better on your midterm exam, then you have a 90% chance of getting an A for the course. You think you have only a 50% chance of scoring 85 or better. Find the probability that your score is 85 or better

asked by lara on September 27, 2016
52. ## aig math

the sum of 2 numbers is 77. one number is 2 1/2 times as big as the other number.find the difference between the 2 addends.please show how you got your answer. my answer is 72.6, am i right if not please tell me why and how.

asked by lidia on August 18, 2012
53. ## maths

two adjacent sides of a parallelogram measure 15 cm and 20 cm while the diagonal opposite their common vertex measure 25 cm.find the area of he parallelogram.

54. ## math

Area of rectangle room is 165 sq.m. the length is 4m more than its breath and the perimeter is 52m. Find the length and breadth of the room?

asked by tenzing on January 13, 2017
55. ## Maths (Need Help)

A(0,1) B(-2,3) C(2,-1) are the vertices of a triangle ABC. P and Q are the midpoint of the side AB and AC. (a) find the equation of PQ, (b) show that PQ is parallel to BC. (c) show the length PQ = 1/2 length BC.

asked by SAMA on April 3, 2016
56. ## math

a bowling ball has a diameter of 8.4 in. It is made of plastic that weighs 0.05lb/in cubed.Find the weight of the bowling ball

asked by christina on August 12, 2011
57. ## statistics

it has been reported that 40% of all internet users have been attacked by viruses. If 20 people are randomly surveyed, find the following probabilities: a. At least 3 have been attacked b. No more than 5 have been attacked c. less than 15 have been

asked by Jane on March 16, 2012
58. ## algebra

Two equal sides of a triangle are 1 metre more than half the third side. If the perimetre of the triangle is 22 meters find the lenth of its side.

asked by Anvay on October 5, 2016
59. ## Math

Three balls are drawn together from a bag containing 4 white, 5 black, and 6 red balls. Find the probability that they include no white ball.

asked by Stuck on December 16, 2009
60. ## Math

Forty percent of the 20 seats on the bus were occupied. Write 40% as a reduced fraction. Then find the number of seats that were occupied.

asked by Brittany on January 17, 2016
61. ## physics

the velocity acquired by a body moving with uniform acceleration is 12 m/s2 in 2 secs.and 18 m/s2 in 4 sec. find the initial velocity of the body?

asked by vinay on October 7, 2012

The following function is one-to-one; find its inverse f(x)=x^3+5 I know that the first step would be to set y = to x so I did y=x^3+5 Then you swap x with y so x=y^3+5. Then you solve for y and this is where I think i messed up. I did y^3=x-5 = y=x^3-5

asked by Hannah on November 3, 2010
63. ## math

two forces, one of 18.4 pounds and the outer 13.1 pounds, act upon the same onject. the angle between these forces is 16.5°. find the magnitude of the resultant force

asked by keke on November 14, 2016
64. ## maths

In an isosceles triangle angle in the top vertex is twice the sum of the base angle. Find the exterior angles of the triangle.

asked by koushik on March 20, 2017
65. ## maths , science

Two point charges q and -2q are kept 'd' distance apart . Find the location of point relative to charge 'q' at which potential due to this system of charges is zero.

asked by neeraj on March 20, 2017
66. ## Math

Cole can use the fomrula c=3.99n to find the cost c of buing n notebooks . if Cole has \$15 to spend, which is a reasonable range for c=3.99n?

asked by Jessie on September 13, 2011
67. ## Maths

In covering distance, the speeds of A & B are in the ratio of 3:4.A takes 30min more than B to reach the destination. Find time taken by A to reach the destination?

asked by Bryan on March 20, 2014
68. ## math

a factory produces 6 motorcycles in 9 hours write a proportion and solve it to find how many hours it takes to produce 16 motorcycles. help me please!

asked by veronica on April 6, 2011
69. ## Trigonometry

Let (7,-3) be a point on the terminal side of theta. Find the exact values of cos of theta, sec of theta and cot of theta?

asked by Anna on March 20, 2014

Find the break- even point if the selling price is \$8 per unit, variable cost \$3 per unit and fixed cost \$3000.

asked by v on October 4, 2014
71. ## Math

The volume of a sphere is increasing at the rate of 5 cm.cm.per second .Find the rate of increase of the radious and surface area when the radious is 6cm.

asked by Manu on January 22, 2017
72. ## physics

Two charges of -5 x 10(power -6) C and 3 x 10(power -6) C are placed at distance of 200mm from each other , find point on the line joining the charges at which electric field is zero.

asked by paula on March 10, 2010
73. ## Math (limits)

Find the limit or state that the limit does not exist for 3sub n +2 / n Choices a)=0 b)does not exist c)=3 d)=2 I believe the answer is either 3 or 2 but I can't decide which. what is 3 sub n? sub n means subscript

asked by Kellie on March 9, 2007
74. ## math

i am a fifth grader and behind in math can you show me how to work this problem. two angles in a triangle are given. find x if x is the third in the triangle. 100 degree, 56 degree, x

asked by Anonymous on March 31, 2011
75. ## Math SAT Sheet

1.) Find the domain and range for: f(x)= 4x-20/ the square root of 36-x^2 2.) Solve the equation: log6 (x-11) + log6 (x-6) = 2 3.) Solve the inequality: x^2 - 2x - 3 is greater than 0

asked by Frank on May 2, 2010
76. ## ALGEBRA

THE AEA OF A RECTANGLE OF LEGNTH X IS GIVEN BY 3X SQUARE +5X. fIND THE WIDTH OF THE RECTANGLE. The width is the area divided by the length, or in this case (3x^2 +5x)/x = 3x +5

asked by Tony on April 9, 2007
77. ## Science

I am doing an Animal project , I need a picture to show how an animal had bilateral symmetry! I couldn't find any pictures that could actually show that. Can you pleas help me? Thank you

asked by Melody on November 14, 2016
78. ## Geography

The distance between station x and y on the map is 7cm. Find the actual ground distance between the two stations if the map scale is 1:100000

asked by Karen on January 15, 2017
79. ## algebra

Need help with this The area of a trapezoid is 240 cm2. The height is 20 cm and the length of one of the parallel sides is 10 cm. Find the length of the second parallel side

asked by jennifer on October 4, 2016
80. ## algebra

Need help with this The area of a trapezoid is 240 cm2. The height is 20 cm and the length of one of the parallel sides is 10 cm. Find the length of the second parallel side

asked by jennifer on October 4, 2016
81. ## Infertility

Where can I find a list of Canadian statistics, such as graphs and/or tables that show the most recent Canadian statistics about infertility drugs? Thanks so much!

asked by Montana on May 3, 2008
82. ## Mathmatics

A sector of a circle of radius 9 cm subtends angle 120 at center of the circle find the area of the sector to the nearest cm

asked by Eleazar on June 6, 2017
83. ## Pre-cal

The equation of the line joining the complex numbers -5 + 4i and 7 + 2i can be expressed in the form az + b*overline{z} = 38 for some complex numbers a and b. Find the product ab. Any help?

asked by Sam on September 1, 2014
84. ## gcse science

i need to find 3 examples of using combustion in everyday life and then i need combustion example , fuel used , and is fuel a fraction of crude oil? thankyou for your help:-}

asked by ++ LOUISA MAE++ on October 9, 2010
85. ## calculus

Let f'(x)=4x^3-12x^2. (a) find three different functions with derivative equal to f'(x). how are the graphs of the three functions related? the only one that i can figure out is: f(x)=x^4+4x^3+y where y can equal any constant. any help on figuring out the

asked by kailee on December 1, 2014
86. ## Math

Mat has 4pies jake has 4pies Sam has 3 pies can you write a muliplication sentence to find how many pies they have altogether

asked by Elion on December 4, 2015
87. ## Public Health / Science

Where can I find the top five health problems in Florida? I have checked the Florida Department of Health site but I am not having luck. Any help would be appreciated. Thanks.

asked by Johanna on January 22, 2012
88. ## Math

The interior angle of a regular polygon is 200 more than 3 times the exterior angle. Find the number of sides of the polygon.

asked by Nikki on April 23, 2019
89. ## Physics

A big clock has a minute hand 3 ft long and a second hand 4 ft long. let x be the distance between their tips. find max value of (dx)/(dt) *d for derivative

asked by jamie on October 8, 2007
90. ## Math

A rectangular field has a length that us 2 meters less than 3 times the width. The perimeter is 188 meters. Find the dimensions of the field

asked by Jim on July 31, 2013
91. ## Physics

Find the electric field at the center of a square of side L = 1.19 cm with charges of Q = +8.16 μC at each corner. Calculate the potential at the center of that square.

asked by Ashley on February 2, 2012
92. ## math

two forces, one of 35 pounds and the other 62 pounds, act upon the same object. The angle between these forces is 25 degrees. Find the magnitude of the resultant force.

asked by Noah on October 29, 2012
93. ## math

study the function table below. vases flowers 4 12 7 21 8 24 11 33 v f Which expression could be used to find the number of flowers(f) IN (v) vases My answer is A.Is that correct?

asked by vera on February 10, 2013
94. ## maths

The formula P=9d + 320 is the cost of buying an article "p" while "d" is the number of articles bought. if P=N797.00 find the number of articles.

95. ## Meths

Two cars travel to a place at 60 km/hr and 70 km/hr resp. The first car takes 11/2 hour more then the second car for the same journey find the length of the journey

asked by Anna on July 6, 2016
96. ## physics

A car with an initial speed of 23.5 km/h accelerates at a uniform rate of 0.98 m/s2 for 4.0 s. Find the ﬁnal speed of the car. Answer in units of m/s

asked by Anonymous on September 20, 2013
97. ## math

The lenght of each of the two sides of an isisceles triangle is 10 meters. The angle between the two congruent sides is x. find the area of the triangle as a function of x/2.

asked by Haley on December 5, 2012
98. ## Education

what is a good website which provides educational games to play and learn. I am trying to find some neat educational games for my little brothers. plese help:-)

asked by Elina on June 16, 2009
99. ## algebra

In 1998, the population of a given country was 37 million, and the exponential growth rate was 5% per year. Find the exponential growth function

asked by Sallie on September 7, 2010