# 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 617
1. ## physics help

Driving in your car with a constant speed of v= 22 m/s, you encounter a bump in the road that has a circular cross-section, as indicated in the figure. If the radius of curvature of the bump is 52 m, find the apparent weight of a 66-kg person in your car

asked by anonymous on March 27, 2017
2. ## math

Can someone give me the formula to work this out, I am not sure. Find the value of t for the difference between two means based on an assumption of normality and this information about two samples. (Use sample 1 - sample 2. Give your answer correct to two

asked by tracy10 on June 23, 2013
3. ## math

a large jar contains 500 identical marbles. Suppose you have an identical empty jar, a set of standard masses and balance scales. How would you find the mass of one marble without opening or breaking the jar? Explain Thanks for your help, this stumped me

asked by jillybean on April 8, 2009
4. ## english

Hello, Where can I find more information about Aaron the moor in "Titus Andronicus" by Shakespeare? Prompt: As Tamara's star rises, so does Aaron's influences. How does he use it? What are his stated motives and confessed motives? Why can Aaron not act

asked by student on December 31, 2008

Jenny purchases a piano for rm 7000. She pays down payment of rm 2000 and agrees to pay the balance in 15 equal monthly payments, the first due in one month. If the dealer charges her 5% compounded monthly , find her monthly payment.

6. ## algebra

The price of a sweater is \$5 less than twice the price of a shirt. If four sweaters and three shirts cost \$200, find the price of each skirt and each sweater. I have no idea how to set up these types of equations..... someone please help its due tomorrow

asked by M3L!55@ on May 29, 2008
7. ## A Geometry ?

Given that two sides of a triangle are 20 and 66. Find the range of possible measures for the third side, s. a. 20

asked by Ali on June 18, 2006
8. ## math

A piece of wooden rod 31 cm long is to be cut into three parts, two of which are to be of equal length. the length of each of the two equal part is 5 cm longer than third part. find their lengths. solution pls.

asked by Taeyeon on January 13, 2015
9. ## Chemistry

find the ph of 0.100M NaC2H3O2 solution. do i just write an equation and solve for x NaC2H3O2 +H2O= Na2O + HC2H3O2- 0.100 0 0 so x^2/0.100-x =1.8 X10^-5 x=1.3X10^-3 then do ph=-log(1.3X10-3) ph=2.9 is this right?

asked by L.Bianchessi on March 6, 2012
10. ## math

Studies shown that gasoline use or compact cars sold in the U.S. is normally distributed, with a mean of 25.5 mpg and standard deviation of 4.5 mpg. Find the range of mileage for the middle 60% of compact cars.

asked by sarah on November 18, 2014
11. ## Calculus

The cost (in dollars) of producing x units of a certain commodity is c(x)=5000+10x+0.05x^2 Find A=100 to x=105 so far i got y-y/x-x= C(105)-C(100)/105-105 i don't understand how it comes out to be 101.25/5 please help me

asked by THU on October 27, 2007
12. ## intermediate algebra

Rowing. Abby rows 10km. upstream and 10km. back in a total time of three hours. The speed of the river is 5km./h. Find Abby's speed in still water.

asked by ROCKY on August 2, 2011
13. ## Calculus

Two cars leave an intersection at the same time. Car X is travelling East at 50 km/hr and Car Y is travelling South at 60 km/hr. Find the rate at which the cars are separating after 30 minutes. I want its complete solution

asked by ChrismB on April 26, 2016
14. ## Algebra 2

A bag contains 5 red, 9 white, and 10 blue marbles. Suppose you choose a marble from the bag and then choose another marble without replacing the first one. Find the probability of picking the same color both times.

asked by Katy on January 30, 2012
15. ## Career guidance

I need some assist seriously I don't know which career or job is suitable for me I've been thinking about this matter I have, which job can I do or career can i do if I'm doing this subjects “history, geography, mathematics literacy, tourism... "? Please

asked by Sbongakonke on July 23, 2019
16. ## Algebra

The hourly wages at a local business are between \$8.60 and \$14.80 depending upon the job. Write an absolute value inequality describing the possible hourly wages of the employees. Okay, so i already know that the inequality is like 8.60 is < or = to x is <

asked by Sabrina on February 2, 2010
17. ## Pre calculus

A window is made up of a circle embedded in a rectangle so that the diameter of the circle is a side of the rectangle. Find the demensions that will admit the most light if the perimeter ofthe window is 44 meters.

asked by Haley on November 20, 2011
18. ## Math

A box contains 4 red cubes, 3 blue cubes, 2 green cubes, and 1 yellow cube. You pick two cubes at random, replacing each after you pick. Find the probability of each compound event.

asked by Mary on May 2, 2012
19. ## communication

I am doing a power point on red cross and the disaster responses they have this is one thing I would like to cover but can not find anything up to date can anyone help? What are new technology available to enhance disaster preparedness in the red cross

asked by april on November 21, 2008
20. ## Math (Pre Calc)

If two forces of 5 lb. and 8 lb. are acting on the same point are equivalent to a single force of 10 lb., find the angle between the given forces, and the angle between the resultant and the larger force. I am not allowed to use law of cosines I must use

asked by Sarah on February 18, 2018
21. ## Calc

You need 50 pounds of two commodities costing \$1.25 and\$1.60 per pound. a) Verify that the total cost is y=1.25x + 1.60(50 - x), where x is the number of pounds of the less expensive commodity. b) Find the inverse function of the cost function.

asked by Erica on December 6, 2010
22. ## math

The speed of a river current is 4 mph. IF a boat travels 20 miles downstream in the same time that it takes to travel 10 miles upstream, find the speed of the boat in still water.

asked by takeeyah on April 15, 2016
23. ## Chemistry

find the ph of 0.100M NaC2H3O2 solution. do i just write an equation and solve for x NaC2H3O2 +H2O= Na2O + HC2H3O2- 0.100 0 0 so x^2/0.100-x =1.8 X10^-5 x=1.3X10^-3 then do ph=-log(1.3X10-3) ph=2.9 is this right?

asked by L.Bianchessi on March 6, 2012
24. ## Physics

A gardener waters a lawn. the hose ejects 5*10^-4 m^3 of water per second. The area of the mouth of the hose is 5 cm^2. Find the backward force exerted on the gardener.[density of water=10^3kg/m^3]

asked by Alice on November 14, 2015
25. ## Col. Algebra

I'm needing help with understanding /solving this problem. Can you please help? In triangle ABC, the angle C is six times as large as angle A. The measure of angle B is 20 degree greater that that of angle A. Find the measure of the angles.

asked by Kelli on April 10, 2017
26. ## maths

A ball is dropped from a height of 1 metre. At every bounce it travels half of the height it travelled it with the previous flight. Find the total distance travelled when the ball comes to rest.

asked by anitha on December 27, 2012
27. ## AP World History

There is a word that my worksheet is saying to define, the word is Chavin. I looked through my textbook, but I can't find the definition. What I am learning now is agricultural development and the earliest civilizations. Can you please give me a definition

asked by Diana on August 29, 2012
28. ## College Algebra

A rancher wishes to enclose a rectangular partitioned corral with 1932 feet of fencing. What dimensions of the corral would enclose the largest possible area? Find the maxium area.

asked by Diane on October 4, 2013
29. ## solid mensuration

Two perpendicular chords divide a circle with a radius of 13 cm into 4 parts. If the perpendicular distances of both chords are 5 cm each from the center of the circle, find the area of the smallest part. Please include solution. Thanks.

asked by Cathy on December 1, 2012
30. ## physics

a wheel starts from rest and rotates with a constant angular acceleration and reaches an angular speed of 12 rad/sec in 3 sec. find the angle through which it rotates in this time.

asked by diann on May 3, 2011
31. ## Math

The basketball team scored 38,48,42, and 38 points in four games. What was the average points scored 41 Find the median of the data set 59 64 42 51 55 55 The noon temperature for last four days were 62 58 70 and 66. What was the range and mean range is 12

asked by Jerald on April 2, 2013
32. ## Chemistry

How do I find the answer to this?? Cu metal displaces Ag+(aq) from an aqueous solution. Which of the following is correct? Ag is easier to oxidize than Cu Ag is a better reducing agent than Cu Cu2+ is a better oxidizing agent than Ag+ Ag+ is easier to

asked by Clueless on January 18, 2018
33. ## Math

A metal sheet made up the faces of a cube measured 12 cm x 12 cm x 12 cm. find the total area of metal sheet required A cube has six sides, each 12x12 cm^2 12X12X6=864cm

asked by Anonymous on February 10, 2007
34. ## Physics

You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 4.50 m/s, directed downward, and it hits the ground 2.04 s after it is released. Find the height of the balcony.

asked by Delilah on February 24, 2010
35. ## physics

a high jumper approaches the takeoff point at a speed of 7.20 m/s. Assuming that only this speed determines the height to which he can rise, find the maximum height at which the jumper can clear the bar.

asked by Anonymous on October 9, 2014
36. ## Math

Haden wants to cover a floor with square tiles the same size the floor measures 315 inches by 108 inches of she uses only whole tiles,find the greatest possible length of each tile;

asked by Crystal on November 13, 2018
37. ## Physics

An object is placed at a distance of 50cm in front of a mirror of focal length 25cm. Find the image distance. If the object is 10cm high what will be the nature and size of the mirror?

asked by Charlesh on May 19, 2016
38. ## probability

A bag contains 8 red, 12 white and 4 blue marbles. If 2 marbles are selected in succession (without replacement), find the probability as a common fraction in simplest form that first is red and second is blue

asked by james on August 17, 2014
39. ## AED

I am trying to find sources with information about exemplary programs in my state (Kentucky). The exemplary programs can be state, school district, or community related that help meet the needs of at-risk students. Thank you.

asked by unknown on June 28, 2009
40. ## Statistics

The lengths of pregnancies are normally distributed with a mean of 273 days and a standard deviation of 20 days. If 64 women are randomly selected, find the probability that they have a mean pregnancy between 273 days and 275 days.

asked by Jane on February 10, 2013
41. ## Physics

If a small planet were discovered whose orbital period was twice that of Earth, how many times farther from the Sun would this planet be? The answer for this one is 1.6 earth radii, but I can't seems to get solution to find the answer. I would appreciate

asked by john on May 12, 2015
42. ## Algebra 2

Suppose the experimental probability is 1/3 that a carton of eggs contains at least one broken egg. Use the simulation of 20 trials to find the experimental probability that 3 cartons selected at random contain only unbroken eggs.

asked by bc on November 2, 2010
43. ## math

the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz

asked by PLZ HELP ME NOW... on May 30, 2012
44. ## English Language

I asked this question earlier. I need to write 2 letters of complaint about problems I face at school and problems I face as a student in general but I can't find any problems, could you help me list some problems? Its really really urgent.

45. ## Math again

The price of a lawn mower is x dollars. The store is having a 75% end of summer clearance sale. Which expression can be used to find the clearance price of the mower? A) .25x B) .75x C) x - .25(75) D) x + .25(75) How do I figure this out?

asked by Anonymous on February 16, 2018
46. ## Stat

Assume that a procedure yields a binomial distribution with a trial repeated n times. Use a binomial probabilities table to find the probability of x successes given the probability p of the success on a given trial N=9 X=0 p=0.30

asked by Bob on December 17, 2014
47. ## math

Two squirrels are sitting on a rope as shown. The tension in segment BD is TBD = 6.3 lb at an angle of ϕ = 47 degrees. The tension in segment AB is TAB = 5.229 lb. Find the weight of the squirrel at B and the angle α.

asked by nick on December 6, 2013
48. ## Algebra

The Jones family bought a new pet rabbit. They want to build an enclosure outside . They have 30ft of lumber. Find the length and width of the enclosure if the length is to be 4ft longer than twice the width.

asked by Phil on June 22, 2015
49. ## physics

) A hydrogen atom has its electron in the n = 5 level. The radius of the electron's orbit in the Bohr model is 1.323 nm. Find the de Broglie wavelength of the electron under these circumstances. What is the momentum, mv, of the electron in its orbit?

asked by Anonymous on April 22, 2014
50. ## trig

Because of prevailing winds, a tree grew so that it was leaning 4 degrees from the vertical. At a point, 35 meters from the tree, the angle of elevation to the top of the tree is 23 degrees. Find the height h of the tree

asked by Keith on June 10, 2008
51. ## chemistry

3. Find the empirical formula for a compound that consists of aluminum and chlorine in which the aluminum is 20.2 % by mass. 4. A sample contains 71.65% CL, 24.27% C nad 4.07% H. the molecular weight is known to be 98.96 g/mol. What are the empirical and

asked by jhong on March 11, 2012
52. ## Science

A car is moving from rest .After 10 sec its wheel rotate 360 times in 1 minute. If the radius of the wheel is 50 cm, then find (1) angular acceleration and (2) angular velocity after 30 sec

asked by Pabitra on December 9, 2016
53. ## Math

A photograph print measuring 24cm by 15 cm is enclosed in a frame. A uniform space of width x cm is left in between the edges of the photograph and the frame. If the area of the space is 270cm', find the value of x.

asked by Kd on April 27, 2019
54. ## Math

Find the volume of a triangular prim with the following dimensions round to the nearest whole number. Triangle base: 5ft triangle height:3ft prism height: 7.5ft

asked by Anonymous Human on May 18, 2016
55. ## Math

Find the volume of a triangular prim with the following dimensions round to the nearest whole number. Triangle base: 5ft triangle height:3ft prism height: 7.5ft

asked by Anonymous Human on May 18, 2016
56. ## math

The function p(d)=1+d/33, gives the pressure, in atmospheres (atm), at a depth d in the sea? (d in in feet). Note that p(0)=1 atm, p(33)=2, and so on. Find the pressure at 40 feet (Type answer as a integer or a simplified fraction.)

asked by micheal on June 13, 2009
57. ## Math

Professor's Salaries the average salary for a Queens College full professor is \$85,900. If the average salaries are normally distributed with a standard deviation of \$11,000, find these probabilities

asked by Natsu on November 29, 2018
58. ## Chemistry

Helium was heated in a sealed container from 18°C to 36°C. The original pressure of helium was 0.84 atm. Find the new pressure assuming V and n remain the same. I put 0.84 over 18 and set it equal to x over 36. I got 1.7 atm but it says its wrong?

asked by Jocelyn on February 13, 2015
59. ## Probability

The random variables X1,..,Xn are independent Poisson random variables with a common parameter Lambda . Find the maximum likelihood estimate of Lambda based on observed values x1,...,xn.

asked by qwerty on April 21, 2014
60. ## trig

I have no idea how to solve this problem.

asked by Matt on June 10, 2009
61. ## Mrs. SUe

Curiousity; Do you get paid for all for all of this hard work that you do??? BEcuase you are always on helping all students on a ton of subjects.. I really appreciate what you do and you deserve to get paid for all the students you are really helping,

asked by Sarah on May 28, 2009
62. ## Algebra II

If the distance from the point (5,k) to the line 8x - 15y + 8 + 0 is 20, find k. Recall that the formula to compute the distance between a point (x1,y1) and a line ax + by + c = 0 is d= abs(ax1+by1+c) [over or divided by] square root(a^2+b^2)

asked by Meg on September 12, 2010
63. ## engineering mechanics

a pabble is dropped from the top of the building on a glass at the ground, the sound of splash is heard after 5 second. if the velocity of sound is 330 m/ sec. find the height of the top of the building

asked by virendra on April 1, 2017
64. ## physical

Awheel increases its speed from 45 revolutions per minute to 90 revolutione per minute in 30 seconds.find angular acceralation of the wheel and number of revolution made by this wheel in this 30 seconds.

asked by Sostine on May 31, 2011
65. ## algebra

A student opens a mathematics book to two facing pages. The product of the page number is 2352. Find the page numbers. The first page is__________ The secnd page is__________

asked by Mary on March 5, 2012
66. ## statistics

A bag cntains 100 bolts nd 300 nuts 50% f each hv been rusted 1 item z chosen at random. Find da probability dat chosen item z rusted or a bolt.

asked by Anonymous on October 5, 2010

There are 1,296 in.^2 in one square yard. Use a proportion to find out how many square yards of carpet it would take to cover the floor. I got 36 but I do not believe this is correct, for it is not a choice. Help, Im confused! The choices given are: 28 yd2

asked by Limmmy on November 17, 2012
68. ## Physics

You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 5.20 m/s, directed downward, and it hits the ground 2.10 s after it is released. Find the height of the balcony.

asked by Haze on January 31, 2012
69. ## algebra

A and B are two points 150 km apart on a highway.two cars start from A and B at the same time if they move in the same direction they meet in 15 hours but if they move in the opposite direction they meet in 1 hour find their speeds

asked by karthik on August 2, 2014
70. ## Math

16 dogs share a bowl of food. Each dog eats half a cup. Write & solve a division equation to find how much dog food was in bowl. Would this be c=16/2 c=8 (c=cups) Thanks for your help.

asked by Clark on November 16, 2014
71. ## physics

A stone thrown vertically upwards from the top of a building takes 3s to reach its maximum height . Find 1. The velocity with which it is thrown 2.the maximum height it reaches above the builibg

asked by Anonymous on July 30, 2015
72. ## physics

A ray of light passes from air into water. The incident angle is 30o. Find the index of refraction of water if the angle of refraction is 22o. Ans. 1.333

asked by Yesenia on November 16, 2010
73. ## Physics

A child of mass m sits in a swing supported by two chains, each of length R. The tension in each chain at the lowest point is T. Find the force of the seat on the child at the lowest point

asked by Kari on October 12, 2011
74. ## physics

a rubber ball is dropped from a height of 5m. After the 5th bounce, the ball only comes back up to 0.76m in height/ Find the percentage loss of kinetic energy for each individual bounce.

asked by Sam on March 12, 2009
75. ## Derivative

Can you help me find the derivative of y= cos(x)/1+sin(x).. the / is a fraction bar. I have a hard time finding trig derivatives because I don't really know what the derivative of cos,sin ,or tan would be honestly.

asked by Angel on November 16, 2014
76. ## statistic

The random variable x represents the number of boys in a family with three children. Assuming that births of boys and girls are equally likely, find the mean and standard deviation for the random variable x.

asked by Kim on August 20, 2013
77. ## MATHS

A manufacturer offers a20% rebate on the marked price of a product. The retailer offers another 30%rebate on the reduced price. Find the single equivalent reduction of the two reductions. Please help!

asked by A GOODSTUDENT on August 25, 2016
78. ## math probability

A box has ten dollars, one is five dollar and four of one dollars. If two bills are chosen at random without replacement, find probability of getting A) amount of valued fifteen dollars B) amount of twelven dollars... is it 4 from 19-15 for A and 7 from

asked by sandy on November 14, 2014
79. ## math 7th

cheryl,rita and four of their friends go to a movie and share equally a 48-ounce bag of popcorn and three 48-inch licorice laces. find the fraction of popcorn each gets and the fraction of licorice each gets.

asked by jgb on September 7, 2010
80. ## ELA

Write 3 sentences with a preposition in each. 1.I waited outside for an hour for the concert to start. Outside is preposition? 2.He went down the elevator to go to the second floor. down is preposition? 3.We went inside each room to find the missing key.

asked by Jarrod on April 17, 2012
81. ## physics

A train blows horn for 5seconds.Find the time for which a person standing at the platform hears the horn if speed of train is 20m/s and speed of sound is 340m/s.

asked by deepika on April 22, 2016
82. ## algebra

A plane can fly a certain distance in 6 hours with the wind, but can return only three-fourths the distance in the same time. If the speed of the plane in still air is 200 km per hour, find the velocity of the wind.

asked by Help, pls on April 2, 2015
83. ## Calculus

An underwater viewing window is installed at an aquarium. The window is circular with radius 5 feet. The center of the window is 40 feet below the surface of the water. Find the hydrostatic force on the window.

asked by Lymara on February 27, 2018
84. ## Calculus

Given that the series the summation from n=1 to infinity of [(-1)^(n+1)/√n is convergent, find a value of n for which the nth partial sum is guaranteed to approximate the sum of the series to two decimal places. a) 39,999 b) 3,999 c) 399 d) 39

asked by Alice on May 13, 2019
85. ## Geometry

The measure of an angle SUT is twice m

asked by Katie W on February 10, 2015
86. ## physics

Two capacitors, C1 = 5 μF and C2 = 12 μF, are connected in parallel, and the resulting combination is connected to a 9 V battery. Find (a) the equivalent capacitance of the combination, (b) the potential difference across each capacitor, and (c) the

asked by maram on May 13, 2019
87. ## College Algebra

The Jones family took a 24-mile canoe ride down a river in two hours. After lunch the return trip back up the river took four hours. Find the rate of the canoe in still water.

asked by keonn'a on September 20, 2017
88. ## Math

a page is to contain 30 square inches of print. the margins at the top and bottom are each 2 inches wide. the margin on each side are only 1 inch wide. find the dimensions of the page so that the least paper is used

asked by Afiq on October 15, 2015
89. ## statistics

Assume that a procedure yields a binomial distribution with a trial repeated n times. Use a binomial probabilities table to find the probability of x successes given the probability p of success in a given trial. n= 3 , x=1, p= 0.60

asked by angela on November 3, 2013
90. ## Math riddle

nine odd numbers have a sum of 243.find the sum of the first and last numbers in a set of numbers. hint:if three numbers when added equals twelve then represent it by adding n+()n+1. no one cares...durrr....

asked by Yasmeen on February 27, 2007
91. ## algebra

The hourly wages at a local business are between \$8.60 and \$14.80 depending upon the job. Write an absolute value inequality describing the possible hourly wages of the employees. Okay, so i already know that the inequality is like 8.60 is < or = to x is <

asked by Sabrina on February 2, 2010
92. ## Physics

The 2nd harmonic of a string of length 60cm and linear mass density 1.7g/m has the same frequency as the 5th possible harmonic of a closed pipe of length 1.2m. Find the tension in the string.

asked by maryam on March 16, 2016
93. ## physics

A body is in equilibrum when three forces act on it.Two of the forces are F1 of magnitude 8Newtons acting due east and F2 which is 5Newtons acting 060. find the magnitude and direction of the third force.

asked by joe on November 15, 2016
94. ## engineering

Hello guys.I got a homework and seem like I am stocked. a)What type of experiments should be done to find the relationship between the strength of concrete and water/cement ratio. b)what will be the range of the water/cement ratio? It would be great if you

asked by Elena on May 4, 2014
95. ## statistics

The life span of the battery pack is known to be Normally distributed with a mean of 250 hours and a standard deviation of 20 hours. How to find the percentage of the battery packs lasting more than 250 hrs.

asked by noe on May 6, 2012
96. ## calculus

find the exact length of the curve y = ln(1-x^2), 0

asked by Daniel on March 13, 2013
97. ## Trigonometry

Hi, this question concerns a right angled triangle. If I know the hypotenuse of the triangle is 16cm and I know the adjacent side to an unknown angle is 14cm which trigonometric ratio would I need to find the unknown angle? Many thanks

asked by Sam on July 4, 2010
98. ## physics

for a free throw in basketball,find an equation for the final angle to go into the hoop in terms of y and x to the hoop and the initial angle. I can't seem to get an equation with only those variables. I always get stuck with others like time and velocity.

asked by Mischa on February 3, 2008
99. ## Chemistry

Find the final temperature, given that the initial temperature of a 40 g piece of Aluminum is 25 degrees Celsius and it is heated with 1800 J of heat. The specific heat capacity of Aluminum is 0.903

asked by Ashley on June 4, 2017
100. ## Physics

Three charges q1= 2uc(0,0)cm q2=4uc(0,10)cm and q3=_3uc(15,0)cm acts on one another, find the magnitude of the total electric force and the angle that the total electric force makes with positive x_axis.

asked by Gboss on July 22, 2018