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

93,362 questions, page 546
1. Math

a bag contains 4 white, 3 blues, and 5 red marbles. find the probability of choosing a red marble, if the marbles are replaced. A) 1/12*** B) 5/36 c) 5/6 D) 5/12

asked by 7th Grade Questions on February 9, 2016
2. physics

The repulsive electric force between the point charges -6.36 * 10^-6 C and q has a magnitude of 1.32 N when the separation between the charges is 1.07 m. Find the sign and the magnitude of the charge q.

asked by Alfredo on February 5, 2015
3. physics

Find the tensions in the given diagram. If the object supported weight is 800N T4 70o T5 70o T3 C B T1 T2 50o 30o A 800N

asked by chansa b on May 18, 2016
4. 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
5. Calculus

A parabolic arch bridge has a 60ft base and a height of 24ft. Find the height of the arch at a distance of 5, 10, and 20 ft from the center

asked by Net on December 8, 2015
6. algebra

Find the least common multiple of the monomials. 5a squared, and 16a cubed. Also 17b squared and 3b cubed. Could you show me how to do these. Thank you, Sandy

asked by Logan on October 10, 2012
7. social studies

Does anyone know a place where I can find out what the required # years of education was in 1985 in USA? And the average wage rates in USA in 1985? Thanks so much.

asked by e.l on May 29, 2009
8. Physics

Two adjacent corners of a square have charges q1 = +1.5 x 10-9 C and q2 = +4.0 x 10-9 C. The length of a side of the square L = 0.25 m. Find the EPE of a charge q3= -6.0 x 10-9 C placed at the 2 remaining corners.

asked by K on July 10, 2008
9. 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
10. TRIGONOMETRY

3. The rectangular coordinates of a point are given. Find the polar coordinates of each point. b. (0,3) I figured out a, but I canNOT figure out b. Can someone please explain? :)I need to know how to do this for my final next week.

asked by Kate on May 16, 2013
11. Calculus

For Questions 1–2, use the differential equation given by dy/dx = xy/3, y > 0. 1. Complete the table of values x -1 -1 -1 0 0 0 1 1 1 y 1 2 3 1 2 3 1 2 3 dy/dx 2. Find the particular solution y = f(x) to the given differential equation with the initial

asked by William on May 7, 2018
12. Chemistry

A 10 g mass of krypton occupies 15.0L at a pressure of 210 kPa. Find the volume of the krypton when the pressure is increased to 790kPa. Thanks

asked by Amy on May 6, 2012
13. maths

Using the complementary angle ratio results,find the value of x for the following. (a) cos(x+35)degree=sin x degree (b) sec x degree=cosec(x+20)degree

asked by Shane on April 5, 2013
14. statistics

The table below shows the number of girls who ran certain distance. -------------|---|----|---|----|----|--Distance(Km) | 5 | 10 |15 | 20 | 25 | -------------|---|----|---|----|----|--No. of girls | 2 | 1 | 3 | 4 | X |

asked by Angel on June 5, 2011
15. Geometry

The lengths of the sides of a triangle are 3x, 5x – 12, and x + 20. Find the value of x so that the triangle is isosceles. Can somebody show me a step-by-step process of how to get the answer(s) please? I need it:) I also saw that x could = 8, 10, and 6.

asked by SkatingDJ on December 8, 2015
16. algrbra

The length of a rectangular football field is 14 meters more than twice its width. If the perimeter is 346 meters, find the field's dimensions.

asked by Anonymous on November 8, 2016
17. math

A parallelogram is a convex quadrilateral with four vertices and two sets of opposite parallel sides. Given 3 of the vertices of a parallelogram at A (0,0) B(2,5) and C(2,0), find all possible coordinates for D.

asked by Kay on November 21, 2010
18. Math

The force on an object is F =−21j . For the vector v =4i −j , find: a) The component of F parallel to v : (b) The component of F perpendicular to v : The work, W, done by force F through displacement v :

asked by Tim on May 6, 2018
19. Social Studies

Sometime around the 1880s European countries, for a variety of reasons, began to take control or colonize some area in Africa and Asia at an alarming rate. The expansion of European power in this period took many forms, but no matter the form it had greed

asked by Jerald on April 10, 2013
20. Algebra

write the equation of the line in slope-intercept form given the slope and the coordinates of the y-intercept m = 3/7;(0, 8/3) find an equation of the line described below. write the equation in slope-intercept form (solved for y) when possible. through

asked by Paris on December 7, 2017
21. ART HAVING HARD TIME

1. A curator decides to display an eighteenth-century painting in a windowless room with controlled temperature and humidity. Pick the answer that best describes the reasons for her choice: (1 point) 1)The curator wants to make sure that the temperature

asked by Taylor on January 22, 2015
22. ss

Multiple Choice 1.   What is the main advantage of using money instead of bartering?  (1 point) Many more people today use money than bartering to get goods and services. Not all countries use the same types of money in their economies. Money comes in

asked by jacob on August 24, 2015
23. AED / ASAP PLEASE 2

Review the experienced teacher’s lesson plan in Figure 3.3 on p. 78 of the text. Write a 200- to 300-word response by adding more detail to the experienced teacher’s lesson plan: o Provide ideas for motivating students. o Create question prompts. o

asked by dawn on October 24, 2008
24. Math

1. A door has a lock with a 5-digit keypad. To unlock the door, a person must enter a passcode consisting of three different digits, with each digit entered in the correct order. What is the probability that a randomly chosen passcode consisting of three

asked by Linda on March 22, 2015
25. Physics

Firemen are shooting a stream of water at a burning building. A high-pressure hose shoots out the water with a speed of 21.0 m/s as it leaves the hose nozzle. Once it leaves the hose, the water moves in projectile motion. The firemen adjust the angle of

asked by Josh on September 17, 2006
26. English

River Traffic The great rivers roll on their way to the sea. And young men and boys ride on flat-bottomed boats That carry great cargoes of lumber and wheat To farms and the markets in blistering heat In America’s South where the boats sell their loads.

asked by JJJAYWOW on April 16, 2013
27. algebra

i have four graphs and i need to find which one represents a function two of them didn't because they didn't pass the vertical line test so i got left with two who did pass it but now i don't know which one to pick since there is only one answer that's

asked by Anonymous on March 29, 2013
28. Statistics

Assume that male and female births are equally likely and that the birth of any child does not affect the probability of the gender of any other children. Find the probability of exactly eight in ten births.

asked by chalulu on March 13, 2011
29. maths

The shadow of a tower standing on a level ground is found to be 2x meters longer when sun's altitude is 30 degree than when it was 45 degree.Find the height of the tower.

asked by Ruth on October 17, 2013
30. statistics

suppose you roll two number cubes and pick a letter of the alphabet at random. find the probability you will roll two odd numbers and pick one of the letters k, l, or m.

asked by logan on June 4, 2014
31. math

Numbers is a game where you bet \$1 on any three-digit number from 000 to 999. If your number comes up, you get \$600.00, otherwise you lose the \$1. Find your expected winnings if all numbers are equally likely to come up.

asked by ann on October 11, 2009
32. Chemistry

A reaction : A(aq)+B(aq) --> C(aq) has a standard free-energy change of –4.01 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M,

asked by Alex on April 28, 2014
33. algebra

i have four graphs and i need to find which one represents a function two of them didn't because they didn't pass the vertical line test so i got left with two who did pass it but now i don't know which one to pick since there is only one answer that's

asked by Anonymous on March 29, 2013
34. Probabilities

Need some help please! A box contains four good light bulbs and three defective ones. Bulbs are selected one at a time (without replacement). Find the probability that the second defective bulb is found on the third selection.

asked by Bianca T on June 10, 2015
35. Algebra

Each of the following temperature ranges is in degrees Fahrenheit. Use the formula F=95 C+32 to find the corresponding temperature range in degrees Celsius (using interval notation and assume inclusion). a. below 32∘ b.above 122∘ c. below 5∘ d. above

asked by keonn'a on September 1, 2018
36. physics31

1.A man in a hot-air balloon drops an apple at a height of 150m. If the balloon is rising at 15 m/s, find the highest point reached by the apple.

asked by cedric on October 1, 2011
37. English

Is the following sentence still a run-on sentence/or is there grammar errors...Grammar quizzes can be tough, there is a lot to learn and it is hard to remember. I find that it gets easier with practice.

asked by Angelina on April 20, 2011
38. GEN 300

describe your optimal learning times and optimal learning environment can someone please explain to me what my instructor might be wanting in this section I have read all the materials and I can not find nothin he might be looking for

asked by tom on May 18, 2008
39. Texas Colleges

I would like to apply for scholarships. Is the site which was recently posted regarding college for all texans an online application site or did I misunderstand? I looked into it but could not find an application link.

asked by jules on August 2, 2008
40. maths

a yacht is moving at 10km/h in a south easterly direction and encounters a 3km/h current from the north. find the actual speed and direction of the yacht

asked by nigar on November 9, 2014

An object is moving in a plane. At time t =0,it is at origin O, and moving with velocity u. After 2 seconds, it is at A, where OA = -2i - 4j. After 3 seconds, it is at B, where AB= 10i -40 j. Show that this is consistent with constant acceleration a. Find

asked by Jat on February 26, 2012
42. Algebra

Two cards are drawn from a standard deck of cards. Find the probability that a king or a red card is drawn?(4/52)*(26/52) 104/2704 answer 0.038

asked by Jon on March 5, 2008
43. Calculus

(y+5)^2/169 + (x-5)^2/49 =1 What are the coordinates of the foci, the ends of the major and minor axes and the end of each latus rectum. I already had the; V1(18,-5);V2(-8,-5) B1(5,2);B2(5,-12) F1(15.95,-5);F2(-15.95,-5) I cabt find out the latus rectum

asked by Hannah on August 5, 2019
44. Math

A hotel manager found that his gross receipts for the day, including a 9% sales tax, were \$3927.27 . Find the amount of sales tax collected

asked by Makaila on July 13, 2015
45. Physical Science

Turn an incandescent lamp on and off quickly while you are standing near it. You feel it's heat, but you find when you touch the bulb that it is not hot. Explain why you felt the heat from the lamp?

asked by Rachel on March 10, 2008
46. Math

I'm having some trouble with this question: Find a value(s) that makes the expression y^2 - 16/ y^2 - 16 undefined. I know that for an expression to be undefined that the denominator must be 0, so I thought -8^2, but that would just result in 16 + 16. I'm

asked by Andre on April 15, 2019
47. math

Revocatus paid back 30,000 shillings to the bank after 1 year. Find the amount of the loan if the bank charges 15% per year. #Please help me to solve this question#

asked by kevi on July 9, 2019
48. Chemistry

Equal weights of methane and hydrogen are mixed in an empty container at 25 C. the fraction of total pressure exerted by the hydrogen is? answer is 1/9 i want to know that how to find out this answer thanks?

asked by Shahab Mirza on October 3, 2014
49. finance

Find the NPV and PI of a project that costs \$1,500 and returns \$800 in year 1 and \$850 in year 2. Assume the project’s cost of capital is 8 percent.

asked by Anonymous on May 30, 2012
50. math

Find the set that describes the intersection of each pair of sets: a. C={people who are more than 20 years old}. D={people who are enrolled in college}. b. A={4,6,8}, B={2,4}. c. E={the odd whole numbers}, F={the even whole numbers greater than 40}.

asked by jeff on March 3, 2011

PlEASE HELP ME!!! I WOULD GREATLY APPRECIATE IT!!!! Find the least upper bound (if it exists) and the greatest lower bound (if it exists) for the given set. Please show all work. (0, 2) (−∞, 1) {x : x2 < 4} {x : x4 ≤ 16} {5/2,7/3,9/4} {0. 9, 0. 99,

asked by Anonymous on March 21, 2009
52. Multivariable Calculus

A pentagon is formed by placing an isosceles triangle on a rectange. If the pentagon has fixed perimeter P, find the lengths of the sides of the pentagon that maximize the area of the pentagon.

asked by Shayna on November 20, 2012
53. probability

For a family with 2 children, the sample space indicating boy (B) or girl (G) is BB, BG, GB, and GG. If each of the outcomes is equally likely, find the probability that the family has 2 girls, given that the first child is a girl.

asked by sarah on July 6, 2013
54. mechanics

an object weighing 303N and suspended by rope A is pulled aside by the horizontal rope B makes an angle of 35degree with the vertical. find the tension in rope A and rope B

asked by kia3 on June 28, 2017
55. math

A concert promoter wants to give away 240 tickets to 3 radio stations. Which basic math fact can he use to find 240 image 3 using mental math?

asked by nathalie on February 6, 2014
56. Physics

a boat leaves shore and travels 30km east and then 15km 50 degree South of east Find the resultant the boats resultant displacement?

asked by Earl on June 18, 2014
57. Geometry

An A-frame house is 40 feet high and 30 feet wide. Find the angle that the roof makes with the floor. Round the angle nearest degree.

asked by Jackie on March 6, 2012
58. Debating

I need to provide arguments that mining is not horrible for the environment. I'm trying to look for stories that explain positive effects of mining, or how they help the environment (even if indirectly or in a small way). This is just very hard to find.

asked by Matt on March 20, 2009
59. math

the cost of banana is Re.1 more than that of an orange. Mr asad purchased 12 bananas and 20 oranges . if he paid Rs.108 to the fruit saller, find the price of a banana and orange.

asked by fazalamin on November 30, 2016
60. calculus help me pllllllllllz

Find out what kind of improper integral is given below §dx/{x^4+4}....?,hence evaluate the integral with upper boundary=infinity lower boundary =0 i need help plz show me full work

asked by samuel on September 26, 2016
61. Calculus

How do i find the derivative of f(t)= 20- 30/rooot 9 + t^2 heres how i did it f'(x)= 20' - 30/root(9+t^2) ' = 0 - 30/root(9+t^2) ' (Quotient rule) f'(x)= 30' (root(9+t^2) - 30(root(9+t^2) ' f'(x)= -30(0.5(9+t^2)^-0.5) (2t) the answer at the back of the

asked by LALA on February 27, 2010
62. physics

In a tennis serve, a .074 kg ball can be accelerated from rest to 40 m/s over a distance of 0.79 m.Find the magnitude of the average force exerted by the racket on the ball during the serve.

asked by Anonymous on October 28, 2010
63. math

If the perimeter of a parallelogram is 140 m, the distance between a pair of opposite sides is 7 meters and its area is 210 sq m, find the length of two adjacent sides of the parallelogram.

asked by abhishek on October 7, 2011
64. maths

A cylindrical vessel without a lid is made from a sheet of metal . Find the area of the metal required if the length of the vessel is 35cm and its diameter is 28cm ????

asked by tuhituhi on November 21, 2012
65. Math

Hello! I need help with this question. I know that I'm using the Law of Sines, but I'm confused on how to solve. I have to also round my answers to the nearest tenth for degrees and to the nearest hundredth for sides. Thanks! Given: A = 60 degrees a = 9 c

asked by Tiffany on February 24, 2015
66. Geometry

In the figure, (AC) ̅≅(AB). Find the value of y in terms of x. If the vertex angle of an isosceles triangle is y and the exterior angle ABE is 3x+20. Answer: y= 6x-140 Pls explain it to me how they get the answer.

asked by Ashley on December 9, 2016
67. Dynamics of rigid bodies

a 500g ball traveling with a velocity of 5m/s strikes a vertical wall rebounds with a velocity of 4m/s Find a) change in pressure of the ball b) Joule of the collision

asked by Vincy on June 5, 2017
68. Physics

A truck of mass 7520 kg is traveling along a level road at an initial speed of 32.9 m/s and then slows to a final speed of 17.9 m/s. Find the total work done on the truck.

asked by Tarra on February 19, 2012
69. MATH HELP PLEASE Explain

Onondaga Electronics operates on a net-profit rate of 20% on its printer cables. If the markup is \$8.95 and the overhead is \$4.31, find the net profit and the selling price

asked by Bradley on February 25, 2016
70. Math

5 2/3 - 5= 2/3. Use a division algorithm to find the quotient. State the final answer as a mixed number. Why is the fractional part of your quotient different from your answer in the original equation 5 2/3 - 5= 2/3?

asked by Shannon on December 14, 2016
71. physics

: a loaded truck with uniform acceleration covers the distance between two points 60m apart in 6 sec.its velocity as it passes the first point is 5 m/s .find the velocity at second point

asked by Anonymous on July 3, 2012
72. physics

A proton moves at a speed of 5.9 × 107 m/s at right angles to a magnetic field with a magnitude of 0.095 T. Find the magnitude of the acceleration of the proton. Answer in units of m/s 2 .

asked by grace on May 6, 2019
73. geometry

In triangle ABC, X and Y are the midpoints of BC and AC, respectively. The perpendicular bisectors of BC and AC intersect at a point O inside the triangle. If angle C = 47 degrees, then find the measure of angle XOY?

asked by Julie on June 5, 2015
74. mechanics

two bodies of mass m1 and m2 are attached to two ends of a string which passes over a massless and frictionless pulley. find the acceleration of the bodies and the tension of the string. m1 is bigger than m2

asked by andrew on November 22, 2012
75. Math

in a certain city the temperature (in degrees fahrenheit) to hours after 9am was modeled by T(t)=50+14Sin((pi(t))/12. Find the highest temperature during the period from 9AM to 9PM. Indicate units

asked by Anonymous on November 29, 2018
76. calculus

The base of a solid is bounded by the curve y= sort (x+2) ,the x-axis and the line x = 1. The cross sections, taken perpendicular to the x-axis, are squares. Find the volume of the solid.

asked by Anonymous on August 29, 2015
77. Maths

Find the volume of wood required for making the closed box with internal dimensions of 20cm by 12.5cm by 9.5cm;wood 1.25cm thick.

asked by Priyanka on January 23, 2018
78. physics

a body is thrown vertically upward fron a certain height of pole and their velocity is 100m/s and then it returns to the ground in 6second then find the height of the pole ?

asked by Aryan on July 26, 2017
79. Precalculus

A builder has 600 feet of fencing to enclose three adjacent rectangular partioned areas. Find the largest possible enclosed area of the partioned areas.

asked by John on December 2, 2011
80. percentage

There are two distinct natural numbers. Each is first increased by 10 then by same percentage as each was increased for the first time. Each number finally results in 72 Find the difference between the numbers Please explained in simplified way

asked by vipul on October 4, 2016
81. ms.sue help!!! (math )

hi im doing surface area I wondering how do you get the answer . this is the question Find the total surface area of a rectangular prism having dimension 1) 45cm by 30cm by 20cm

asked by rian on February 3, 2014
82. thermodynamics

the mass of a fluid system is .311 slug, its density is 30lb.ft^3 and g is 31.90fps^2. a) find the specific volume, b) the specific weight, and c) total volume

asked by 18ms on December 8, 2012
83. math

pretty stuck on this one, any help apreciated: the angular displacement (feta) of a shaft is given by feta= 1/2 (cos-5t. Find the velcoity of the shaft w at t= 2s my apologies for the improper layout.

asked by Russ on November 19, 2012
84. Variation

Could you please help me with the following question? Find the variation equation for the variation statement. 31. z varies jointly as y and the cube of x; z=96 when x=2 and y=6 (I don't understand this one. My answer choices are: a.y=2x^3y,b.y=2xy^3,

asked by Soly on October 10, 2007
85. Physics

an empty truck weighs 4000N its engine can produce an accelerationof 1m/sif the truck is loaded with 2000N, find the acceleration the engine can prodeuce?

asked by syed on August 31, 2015
86. Algebra

The temperature y (in degrees Fahrenheit) after t months can be modeled by the function y=-3t^2+18t+53 where 1

asked by Kylet davis on March 4, 2016
87. trig

find the exact solutions (è in degrees) sin^2è+2cosè=-2 change the sin^2 to 1-cos^2, then rearrage the equation into quadratic form, use the quadratic equaion.

asked by Devon on April 16, 2007
88. Engineering

There is a shape that has a right triangle on top of a square, I need to find the area of the shape H1|\ | \ | \ | |H2 |___| B B=20Ft H2= 75lb/ft H1= 150 lb/ft I got 600 for the total area, am I close

asked by Victor on August 7, 2009
89. biology

Evidence of bacteria-like life has been found in fossils that date back between 3.4 and 3.5 billion years. Can you find out what the oldest evidence of multi-celled life is?

asked by Anonymous on September 27, 2011
90. trigonometry.

In a right triangle sinA= 3/5 and C=17. Find a and b. Be sure to draw a right triangle and letter it properly. how can i solve the math in this problem. i know i would have to use the Pythagoream Theorem but i don't know how to set the problem up first.

asked by anon on January 10, 2011
91. 5th math

find the missing numbers and landmarkd for the set of numbers below: 18,20,20,24,27,27,____,30,33,34,36,36,_ Range:22 Mode:27 Minimum______ Maximum:______ please! show me this problem so, i can do my next problem thank you!!

asked by pat on September 29, 2010
92. Trigonometry

Use a sine function to graph a sound wave with a period of 0.004 of a second and an amplitude of 3 cm. Find the frequency in hertz for this sound wave. (Enter only the number.)

asked by Mariah on October 1, 2014
93. math

Rose’s garden is in the shape of a trapezoid. If the height of the trapezoid is 16 m, one base is 20 m, and the area is 224 m2, find the length of the other base. How do I set up this problem so I can solve it? Thank you!

asked by Millah on September 29, 2007
94. Algebra

The temperature y (in degrees Fahrenheit) after t months can be modeled by the function y=-3t^2+18t+53 where 1

asked by Kylet davis on March 2, 2016
95. calculus

Verify that the hypotheses of Rolle’s Theorem are satisfied for f(x)=6cosx on the interval [9pi/2,11pi/2] and find all values of c in this interval that satisfy the conclusion of the theorem.

asked by Mely on August 1, 2010
96. algerbra 2

Lisa buys a carpet for \$230. The price is \$3.50 per square foot. If Lisa had a special discount of \$50 off, which linear equation could be used to find the area, A, of the carpet?

asked by hannah on October 24, 2013
97. algebra

A guy wire 70ft. long is stretched from the ground of the top of a telephone pole 50ft. high. Find the angle between the wire and the pole?

asked by Felicido on September 6, 2018
98. math

A nurse must give 1 12 milligram of a drug for each kilogram of patient weight. If Mr. Krisanda weighs​ (or has a mass​ of) 60 ​kilograms, find the amount of the drug Mr. Krisanda should be given.

asked by julie on February 17, 2018
99. Maths

A cone formed by bending a sector of a circle having an angle of 288 degrees. Find the radius of the base of the cone if the diameter of the circle is 18cm

asked by Anonymous on September 13, 2018
100. mathematics

Find I. Choose the correct answer. Amount Financed (m) = \$1,400 Number of Payments per year (y) = 12 Number of Payments (n) = 24 Total Interest (c) = \$200.50

asked by Anonymous on June 16, 2015