# 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 752
1. ## Chemistry

25cm cubes of potassium hydroxide was prepared by dissolving 11.2grams of potassium hydroxide in 250cm cubes of distilled water, was found to exactly neutralize 20cm cubes of a certain hydrochloric acid solution . Find the molarity of the acid in moles/dm

asked by Naomi on November 27, 2018
2. ## Finance

Joeli deposited $1000 on 1 January 2011 in an account paying interest of 12% p.a compounded quarterly. He also deposited$800 (on 1 January 2011) in another account which pays 15% p.a. effective interest. Find the time (n) when the two accounts will be

asked by Anonymous on September 25, 2011
3. ## physics

A rescue helicopter lifts a 85.8-kg person straight up by means of a cable. The person has an upward acceleration of 0.643 m/s2 and is lifted from rest through a distance of 13.1 m. (a) What is the tension in the cable? How much work is done by (b) the

asked by Anonymous on November 4, 2013
4. ## Physics

A(n) 15 g bullet is ﬁred into a(n) 116 g block of wood at rest on a horizontal surface and stays inside. After impact, the block slides 15 m before coming to rest. The acceleration of gravity is 9.8 m/s 2 . If the coeﬃcient of friction between the

asked by Anonymous on December 23, 2012
5. ## Physics

A vertical spring has one end attached to the ceiling and a 2.50 kg weight attached to the other one. When the system is at rest, the spring is stretched by 20.0 cm. Now let the weight drop from a position in which the spring is not deformed at all.Use the

asked by Timo on June 29, 2011
6. ## Physics

You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation to find its maximum horizontal range. You shoot the gun straight up, and it takes 36.761s for the dart to land back at the barrel. What is the maximum

asked by Rose on October 31, 2016
7. ## Physics

Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 511 km above the earth's surface, while that for satellite B is at a height of 895 km. Find the orbital speed for satellite A and satellite B. I've already

asked by Rash on September 24, 2018
8. ## science

A 71.9-kg skier coasts up a snow-covered hill that makes an angle of 27.5 ° with the horizontal. The initial speed of the skier is 9.67 m/s. After coasting a distance of 1.50 m up the slope, the speed of the skier is 4.52 m/s. (a) Find the work done by

asked by shaknocka on February 28, 2011
9. ## Math

Bob is driving along a straight and level road towards a mountain. At some point, he measures the angle of elevation to the top of the mountain and finds it to be 22.5 degrees. He then drives 1 mile (5280 ft) and measures the angle of elevation to be 34.4

asked by John on November 29, 2018
10. ## Math

Jack decides to ride the ferris wheel. He board at 1m and is the last person on the ride. The diameter of the wheel is 16m and it takes 8sec for one complete revolution. Find the equation that represents Jack's height in relation to time. Then use the

asked by Sarah on May 23, 2010

A suitcase of weight mg = 450 is being pulled by a small strap across a level floor. The coefficient of kinetic friction between the suitcase and the floor =0.640 a) Find the optimal angle of the strap above the horizontal. (The optimal angle minimizes the

asked by Catherine on February 18, 2011
12. ## math

B) A random sample of 16 mid-sized cars tested for fuel consumption gave a mean of 26.4Kilometers per liter with a standard deviation of 2.3 kilometers per liter. i) Assuming that the kilometers per liter given by all mid-sized cars have a normal

asked by joe on September 26, 2016
13. ## Economics

A Cobb-Douglas production function for new company is given by  f(x,y)  50x 2 5 y 3 5 where x represents the units of labor and y represents the units of capital. Suppose units of Labor and capital cost $100 and$200 each respectively. If the

asked by Sam on May 24, 2015
14. ## chemistry

a 5.55g sample of a weak acid with ka=1.3*10^-4 was combined with 5.00ml of 6.00 M NAOH and the resulting solution was diluted to 750mL. The measured pH of the solution was 4.25. what is the molor mass of the weak acid. if used the formula

asked by help on November 25, 2010
15. ## MATH

A farmer wants to fence a small rectangular yard next to a barn. Fence for side parallel to the barn will cost 50 per foot and the fence for the other two sides will cost20 per foot. The farmer has a total of 2000 dollars to spend on the project. Find the

asked by LAY on October 23, 2016
16. ## physics

A diver springs upward with an initial speed of 1.66 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the

asked by tcc on July 8, 2013
17. ## dynamics of rigid bodies

In a test of a prototype car, the driver starts the car from rest at t=0, accelerates, and then applies the brakes. Engineers measuring the position of the car find that from t=0 to t=18s. The position is approximated by s=5t^2 1/3t^3 -1/50t^4 ft. a.) what

asked by ligas on January 13, 2017
18. ## AP Physics

A young male adult takes in about 4.0 10-4 m3 of fresh air during a normal breath. Fresh air contains approximately 21% oxygen. Assuming that the pressure in the lungs is 1.0 105 Pa and air is an ideal gas at a temperature of 310 K, find the number of

asked by Cheyenne on December 20, 2010
19. ## chemistry

a 5.55g sample of a weak acid with ka=1.3*10^-4 was combined with 5.00ml of 6.00 M NAOH and the resulting solution was diluted to 750mL. The measured pH of the solution was 4.25. what is the molor mass of the weak acid. if used the formula

asked by help on November 25, 2010
20. ## PHYSICS

8) A rock of mass 400 g is tied to one end of a string that is 2.0 m in length and swung around in a horizontal circle. It takes 2 s to complete one circle. a. Find the angular velocity of the rock just as the string breaks. b. At what speed is the rock

asked by Anonymous on September 19, 2011
21. ## Physics

A 12-V automobile storage battery has an internal resistance of 0.004 ohms. A) Find the current and power dissipation when the terminals are connected by a conductor of negligible Resistance B) The battery delivers 80A to the starter motor. What resistance

asked by Rina on February 27, 2016
22. ## Physics

Find the instantaneous velocity of a mass on a spring oscillating on a horizontal frictionless surface at the instant when its displacement is half of its maximum displacement x=(x_max/2). Assume the max velocity of that mass during each oscillation is

asked by Andrea on January 30, 2008
23. ## english

can some 1 help me find a good site about contractions this crap is hard Check this site. http://www.mcwdn.org/contract/contract.html Mario... this is an excellent site on English grammar contractions.

asked by mario on July 26, 2007
24. ## Physics

A diver springs upward with an initial speed of 2.93 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the

asked by Jacob on May 10, 2017
25. ## Geometry

1. A point on the ceiling of a room is 12ft. from each of the vertices of a triangle on the floor whose legs are 6ft. A and 8ft. respectively. find the length of the ceiling. 2. With a 12ft. pole marked in feet, how can one determine the foot of the

asked by John on April 30, 2016
26. ## Math

What price do farmers get for the peach crops? in the third week of June, a random sample of 40 farming regions gave a sample mean of $6.88 per basket. assume that the standard deviation is known to be$1.92 per basket. find a 90% confidence interval for

asked by Justina on August 7, 2011

Assignment Problem 1* Print Media Advertising (PMA) has been given a contract to market Buzz Cola via newspaper ads in a major southern newspaper. Full-page ads in the weekday editions (Monday through Saturday) cost $2000, whereas on Sunday a full-page ad asked by Matt on February 27, 2011 28. ## algebra! help! In 1994 school lunch was$1.20. In 1999 it increased to $2.25. FInd the rate of change for school lunch from 1994-1999 asked by Katy on November 20, 2008 29. ## scc One side of a triangle is half the longest side. The third side is 10 meters less than the longest side. The perimeter is 45 meters. Find all three sides asked by Jen on October 29, 2010 30. ## Calculus find the points on the curve x^2+xy+y^2=7 (a) where the tangent is parallel to the x-axis and (b) where the tangent is parallel to the y-axis. In the latter case, dy⁄dx is not defined, but dx⁄dy is. What value does dx⁄dy have at these points? asked by toma on October 23, 2012 31. ## math Show that there are no positive integers n for which n4 + 2n3 + 2n2 + 2n + 1 is a perfect square. Are there any positive integers n for which n4 +n3 +n2 +n+1 is a perfect square? If so, find all such n. asked by help on April 1, 2010 32. ## science If a certain gas occupies a volume of 20L when the applied pressure is 10atm , find the pressure when the gas occupies a volume of 5.0L asked by vivianne on September 21, 2014 33. ## math A boat takes 2 hours to go 40 km down the stream and it returns in 4 hours . Find the speed of the boat in still water and the speed of the stream asked by Anonymous on May 4, 2016 34. ## Math Thehe sum of the ages of Dorothy and Darlene is 41. In 5 years, Dorothy will be twice as old as Darlene. Find their ages 3 years ago. asked by Anonymous on February 9, 2017 35. ## math A drum is 2/3 filled with oil.15 litres of oil is removed from the drum. The drum is now 3/5 full, find the capacity of the drum in litres. asked by sherika on February 13, 2013 36. ## PROBABILTY-STATS HELP A product is assembled from 3 components X,Y,Z and the probability of these components being defective is 0.01, 0.02,0.05. i have to find the probability that the assumed product will not be defective? can someone explain to me, how do it? thanks asked by Taskeen on April 5, 2012 37. ## math rectangle A has length 12 cm and width 6 cm and while rectangle B has llength 8 cm and width 5 cm .find the ratio of the size of and angle of A to the size of an angle of B asked by maya on January 7, 2011 38. ## MATH Let f(x)=SQRT X+1 and g(x)=3x−5. Find f∘g and g∘f, and their respective domains. What is the domain of f∘g ? Answer (in interval notation): 3. (g∘f)(x)= 4. What is the domain of g∘f ? Answer (in interval notation): asked by lyla on March 1, 2016 39. ## Algebra Area of a triangle. Find the exact area of a triangle with a base of sqrt 30 meters and a height of sqrt of 6 meters. Thank-you asked by jonie on July 15, 2010 40. ## math THe width of a garden is 8 feet less than the length. If the area of the garden is 20 square feet, find the length and the width. could someone work this for me. I have but not right. asked by Keaton on May 18, 2010 41. ## pre-algebra I have two questions about finding the slope of a line. First question: Is the formula Y2-Y1 over X2-X1? Second question: When I am given a line on a graph, how do I find Y1, Y2, X1, X2 to use in finding the slope? asked by anne on May 16, 2009 42. ## maths peter is 10 years old . he is 4 years younger than his brother , raymond . Find the ratio raymond's age to peter' s age . asked by harshitha on September 28, 2017 43. ## arithmetic Steve's mom's age is 7 years less than 3 times Steve's age. The sum of their ages is 65 years. Find their ages. asked by Anonymous on September 30, 2009 44. ## 9th grade algebra I don't know how to get answer for problem The larger of two numbers is 20 more than the smaller. Four times the larger is 70 more than 5 times the smaller. find the numbers asked by serg on September 10, 2008 45. ## Math 120 A die is tossed. Find the odds against rolling a number greater than 2 The odds against rolling a number greater than 2 are __ : ___ asked by Beth on March 27, 2017 46. ## Math Use the distance formula to determine whether the points lie on the same line. (0,4),(7,-6),(-5,11). I know the distance formula, but I don't see how that will help me find out if they lie on the same line. asked by Christina on September 16, 2011 47. ## Geometry The height of a parallelogram is 10 feet more than its base. If the area of the parallelogram is 120 square feet, find its base and height. asked by Derek on April 18, 2012 48. ## Algebra A boat travels 28 km upstream in 7 hours. It travels 48 km downstream in 4 hours. Find the speed of the boat and the speed of the stream. asked by Raquel on September 13, 2016 49. ## Calculus If it takes 90N to stretch a spring 1/2 m beyond equilibrium, use an integral to find how much Work it takes to stretch the spring 5m beyond equilibrium asked by Jackie on February 20, 2012 50. ## Algebra A boat travels 28 km upstream in 7 hours. It travels 48 km downstream in 4 hours. Find the speed of the boat and the speed of the stream. asked by Raquel on September 13, 2016 51. ## Calculus Find the position vector of a particle whose acceleration vector is a = (6t, 2) with an initial velocity vector (0, 0) and initial position vector (3, 0) Please I need your help with explanation. Thank you asked by Alice on May 10, 2019 52. ## 6th grade English What a remarkable career and legacy she left the people of the world! Find the 4 nouns career, legacy, people, world asked by Sam on August 30, 2010 53. ## ALGEBRA II In circle O, chords AB and CD are congruent. AB measures 2x + y, while CD has a length of 16.5. Two smaller chords, GH and KL, are also congruent. GH measures x + 2y, while KL has a length of 13.5. Find the values of x and y. asked by ELIZA on March 9, 2011 54. ## Math Thehe sum of the ages of Dorothy and Darlene is 41. In 5 years, Dorothy will be twice as old as Darlene. Find their ages 3 years ago. asked by Lei on February 9, 2017 55. ## Maths In a class of 60 students,20 play cricket and 44 play football. Find the least no. of students playing either cricket or football. ANSWER =44 asked by Ankita on April 13, 2016 56. ## College Algebra The area of a rectangular carpet is 12 square feet. The length is four feet more than the width. Find the length and the width of the carpet. asked by Keonn'a on October 4, 2017 57. ## problem solving what triangular region with p=100 has the most area? find all five triangular regions with p=100 having integer side and integer area . such as 29,29,42 asked by kakak on December 7, 2014 58. ## Physics A 2.2 C charge is located on the x-axis at x = -1.5 m. A 5.4 C charge is located on the x-axis at x = 2.0m. A 3.5 C charge is at the origin. Find the net force acting on the 3.5 C charge. asked by Anonymous on March 16, 2014 59. ## Math please check answer Please check my answer thanks :) Find the equation of 9 (2x-18)=36 9(2x)-9 (18) =36 18-162 =36 18-162 =36 18x162 =36 +162 +162 ------------------------- 18x =198 18x 198 ----------- 18 =18 x =11 asked by keleb on January 7, 2008 60. ## Math In a form of 30 girls, 18 play netball and 14 play hockey, whilst 5 play neither. Find the number of those who play both netball and hockey? asked by Erastus on February 16, 2017 61. ## Geometry In parallelogram DEFG, DH = x + 1, HF = 3y, GH = 3x – 4, and HE = 5y + 1. Find the values of x and y. The parallelogram has D at the top left E at the top right, G at the bottom left and and F at the bottom right with H in the middle. Thank You ^0^ asked by Hilary on January 4, 2012 62. ## MATH Show that there are no positive integers n for which n4 + 2n3 + 2n2 + 2n + 1 is a perfect square. Are there any positive integers n for which n4 +n3 +n2 +n+1 is a perfect square? If so, find all such n. asked by Diamond on April 2, 2010 63. ## calculus Let f(x)=-x^2+3x on the interval [1,3]. Find the absolute maximum and absolute minimum of f(x) on this interval. The absolute max occurs at x=. The absolute min occurs at x= asked by Alessandra Romano on October 31, 2014 64. ## trig Use a sum or difference identity to find the exact value. tan 25deg + tan 5deg / 1-tan 25deg tan 5deg asked by tony on June 17, 2013 65. ## calculus Let g(s)=1/(s-2) on the interval [0,1]. Find the absolute maximum and absolute minimum of g(s) on this interval. The absolute max occurs at s=. The absolute min occurs at s= asked by Alessandra Romano on October 31, 2014 66. ## Physics A 2.2 uC charge is located on the x-axis at x = -1.5 m. A 5.4 uC charge is located on the x-axis at x = 2.0m. A 3.5 uC charge is at the origin. Find the net force acting on the 3.5 C charge. asked by Anonymous on March 16, 2014 67. ## Maths At a vending machine, 6/11 people select a cola soda. Find the probability that all of the next 3 people select a cola soda. asked by Jack on April 16, 2008 68. ## Math Marta picked 37 apples. Jin picked 35 apples. Ken picked 23 apples. How can you use place value to find the number of apples picked in all? asked by Amy on September 19, 2011 69. ## algebra One side of a triangle is half the longest side. The third side is 9 meters less than the longest side. The perimeter is 61 meters. Find all three sides. asked by Jessica on February 21, 2012 70. ## GeOmEtRy!!! In triangle ABC,segment BF is the angle bisector of angle ABC, segment AE,segment BF, and segment CD are medians, and P is the centroid. Find x if DP=4x-3 and CP=30 asked by VeRoNiCa C. on December 29, 2011 71. ## algebra Find the sum in simplest form. 7mn + 5m^2 + 3n^2 + 2mn a) 15m^2n^2 + 9mn b) 7mn + 5m^2 +3n^2 + 2mn c) 15m^2n^2 + 9m^2n^2 d) 5m^2 +3n^2 + 9mn asked by kiddo on May 30, 2010 72. ## calculus Let g(x)=(4x)/(x^2+1) on the interval [-4,0]. Find the absolute maximum and absolute minimum of g(x) on this interval. The absolute max occurs at x=. The absolute min occurs at x= asked by Alessandra Romano on October 31, 2014 73. ## Calculus Find the horizontal asymptote of f(x)=e^x - x lim x->infinity (e^x)-x= infinity when it's going towards infinity, shouldn't it equal to negative infinity, since 0-infinity = - infinity lim x-> -infinity (e^x)-x= infinity asked by sh on December 8, 2010 74. ## Math please check answer Please check my answer thanks :) Find the equation of 9 (2x-18)=36 9(2x)-9 (18) =36 18-162 =36 18-162 =36 18x162 =36 +162 +162 ------------------------- 18x =198 18x 198 ----------- 18 =18 x =11 asked by keleb on January 7, 2008 75. ## chemistry Find (triangle)H for N2H4 + CH4O > C2HO + N2 + 3H2 2NH3 > N2H4 + H2 22.5 kJ 2NH3 > N2 + 3H2 57.5 kJ CH20 + H2 > CH4O 81.2 kJ asked by Anonymous on April 7, 2015 76. ## college algebra, Please help!! use the remainder theorem to find the remainder when f(x) is divided by x-2. then use the factor theorem to divide x-2 is a factor of f(x). f(x)=4x^4-7x^3-5x+2 the remainder is ? is x-2 a remainder of f(x)=4x^4-7x^3-5x+2 please show work asked by ladybub on November 23, 2012 77. ## Math Find the unit rate. In 10 months, 62.6 gallons were used. A. 0.16 gallon/month B. 10 gallons/month C. 6.3 gallons/month D. 626 gallons/month******************** asked by I Dont Matter on January 29, 2018 78. ## h the sum of the ages of mira and shaeena , is 40 years.after 10 years , mira will be twice as old as shaheena.find their present present ages. asked by nafeesa shehnaz on October 21, 2015 79. ## Algebra In a certain positive fraction \frac{a}{b} , the numerator is 2 less than the denominator. If the numerator and denominator are interchanged, the fraction is increased by 1 \frac{1}{15} . Find a + b . asked by John on March 12, 2013 80. ## Geometry Ray BD bisects angle ABC. Find angle ABD if angle ABD = (6x+4) degrees and angle DBC = (8x-4) degrees asked by Victoria on September 10, 2012 81. ## Trig Use a graphical method to find a solution to the following system of equations in the interval –1 ≤ x ≤ 5: y = x2 – 4x + 2 y = x + 2 The solution set to this system of equations in the interval –1 ≤ x ≤ 5 is {} {(2, 0)} {(0, 2), (5, 7)} {(2, asked by Kiki on January 24, 2014 82. ## math Tanya has 4 red marbles, 7 blue marbles, and 8 green marbles. Which expression can be used to find the percent of Tanya's marbles that are blue? asked by Paige on January 29, 2014 83. ## geometry A parallelogram has sides 15cm and 18cm.The height corresponding to a 15cm base is 9cm.Find height corresponding to an 18cm base. asked by Anonymous on October 26, 2009 84. ## Physics A 2.2 C charge is located on the x-axis at x = -1.5 m. A 5.4 C charge is located on the x-axis at x = 2.0m. A 3.5 C charge is at the origin. Find the net force acting on the 3.5 C charge. asked by Anonymous on March 16, 2014 85. ## Algebra The area of a circle is given by the formula A = pi*r^2 and the circumference of the circle is given by C = 2*pi*r. Find the ratio of the area to the circumference. What happens to this ratio if the radius is quadrupled? Thank you! asked by Cassie on March 23, 2009 86. ## 10th grade A parallelogram has sides 15cm and 18cm.The height corresponding to a 15cm base is 9cm.Find height corresponding to an 18cm base. asked by Geometry on October 26, 2009 87. ## Algebra find the indicated sum not sure how to type the sigma sign, but here is the problem 6 on top of the sigma sign. under the sigma sign is i=3 and on the right side of the sigma sign (3i-2) asked by Anonymous on February 25, 2009 88. ## Additional maths Solve the equation 8x^3 -2x*2 -5x-1=0 Hence find the values of Theta< between 0 and 18 which satisfy the equation 8 tan^2 theta-2 tan theta -5=cot theta asked by Anonymous on November 29, 2014 89. ## trigonometry Find the magnitude of the resultant force and the angle between the resultant and each force: Forces of 2 lbs and 12 lbs at an angle of 60 degrees to each other. asked by mikey on November 27, 2012 90. ## Math Steves mom age is 7 years less than 3 times steves age. The sum of their ages is 65 years. Find their ages. asked by Marla on October 27, 2009 91. ## DT For my DT homework I need to do a health and safety poster on a Pillar Drill. I need to find health and safety facts on a Pillar Drill. Please can you help me. Thanks asked by Emily on September 4, 2012 92. ## algebra 1 write and graph the inverse variation when y=3 and x=2 find k = write the inverse variation fill in the table of values and graph x = -3 ,-2 ,-1,1,2,3 y= ? asked by bobby on February 1, 2017 93. ## Math Help!!! The triangles below are similar. Find the value of x. The first triangle has 14 on the right and left side and 18 on the bottom. The second triangle has 7 on the right and left side and x on the bottom. A. 9 B. 8 C. 10.5 D. 11 Is the answer B? asked by Callie on November 11, 2014 94. ## math selling price of computer is$75 less than 2 times wholesale price. selling price of a tv is \$550, what equation is used to find wholesale price of tv

asked by aaron on May 19, 2014
95. ## algebra

Steve's mon's age is 7 years less than 3 times Steve's age. The sum of their ages is 65 years. Find their ages.

asked by shelby on December 2, 2010
96. ## mathematics

If 45 percent of the students of a class have offered mathematics and 85 percent of them biology, find the percentage of students who offered biology only?

asked by Anonymous on May 21, 2016
97. ## algebra find the outlier

i need to find the outlier of each set of data. and I need to describe how the outlier affects the mean? 1) 75 72 74 46 77 70 80 68 2) -15 -12 -19- 0 -20 -14 3) 5.3 5.1 5.2 14.7 5.8 5.9 5.4 4) 4 -1 -16 2 0 -3 6 -2 i got for the outlier the highest value

asked by Marko on September 27, 2011
98. ## math

In each of the following, relationships among marked angles are given below the figure. Find the measures of the marked angles. b. m(∠AOB ) is 30° less than 2m (∠BOC ) c. m(∠AOB ) – m(∠BOC ) = 50

asked by Sam on March 9, 2015
99. ## geometry

One equilateral triangle has sides 5 ft long. Another equilateral triangle has sides 7 ft long. Find the ratio of the areas of the triangles

asked by Lydia on July 21, 2011
100. ## begining algebra

One side of a triangle is three times the shortest side. The third side is 7 feet more than the shortest side. The perimeter is 62 feet. Find all three sides.

asked by D on February 10, 2010