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 443
1. Maths

By picking a natural number randomly upto 100, find the probability of the number being a perfect cube

asked by Yash on March 21, 2017
2. calc

f(x)= x^3/x^2-16 defined on [-19, 16] How would you find the vertical asymptopes? and the inflection point? I think you take the derivative and set it to zero? but i cant figure out the correct derivative or something??

asked by Paisley on March 18, 2009
3. Math

The yearly returns of a stock are normally distributed with a mean of 5.1% and standard deviation of 2.7%. Find the probability of a yearly return being greater than 6%.

asked by Nick on April 15, 2014
4. Chemistry

Find the mass of urea (CH4N2O) needed to prepare 50.9 g of a solution in water in which the mole fraction of urea is 7.69×10−2.

asked by Nicole on February 24, 2016
5. maths

By picking a natural number randomly upto 100 find the probability of the number being perfect cube

asked by probability on March 21, 2017
6. Maths

Volume of cone with base radius 1cm is22√3/21cc.Find vertical angle of cone

asked by P.Vineela on November 7, 2018
7. Chemistry

For the reaction HCONH2(g) -->

asked by Kevin on May 30, 2018
8. physics

A 23.0 kg box is released on a 39.0° incline and accelerates down the incline at 0.268 m/s2. Find the friction force impeding its motion.

asked by md8 on March 1, 2011
9. physics

1. If one point charge is located at each corners of a right triangle, where q1=q3= 5.0μC, q2= 2.0 μC, and a= 0.10 m. Find the resultant force felt by the third charge.

asked by oishee on August 21, 2016
10. Math 203

At time t = 1,a particle is located at position (x, y) = (4, 3). If it moves in the velocity field F(x, y) = xy − 2, y^2 − 11 find its approximate location at time t = 1.06 (x, y) = ?

asked by hyuyre on April 13, 2014
11. Chemisrty

To what volume must 1.0 l of a 6.0 m solution of hcl be diluted in order to prepare a 0.2 m solution? I just need to find wht steps i need to take to get the answer

asked by Jacob on April 27, 2015
12. pre-cal

find the equation of a line that is perpendicular to the line y=1/6x+7 and contains the point (-5,0) y= (Type your answer in slope intercept form)

asked by ladybug on October 13, 2012
13. value

Aclass has 14 boys and 6 girls.suppose three students are selected at random from the class.find the probability that they are all boys

asked by value on August 17, 2016
14. Math

Find the approximate area of each circle. Use the value of pi that makes the math the simplest for you. In the example, it's a circle with 14cm written on it in the middle. I'm

asked by Kimm on April 30, 2015
15. Math

"Three of the coordinates of the parallelogram STUV are S(-2,-2), T(7,7) and U(5,15). State the vector ST and hence determine the coordinates of V." So I've figured out that ST = (9,9), but I don't see how that helps me find V.

asked by Stuck on May 5, 2010
16. Math

Find all complex zeros for the following polynomial function. Please show all of your work. f(x) = x^4 - 91x^2 - 900 Hi, I need help... I'm not understanding this complex zero..

asked by CheezyReezy on June 1, 2011
17. Math

Find an equation of the ellipse with its center at the origin. center(0,0) foci(2,0)(-2,0) major axis=8 My answer is x^2/16 + y^2/15 = 1. Is this correct?

18. Calculus

4. Find the volume of a pyramid of height 160 feet that has a square base of side 300 feet

asked by Maryam on June 5, 2013
19. math

In a survey, 480 people or 75% said they attened a movie at least a month. how many people were surveyed? i don't get how to find the answer

asked by Lilly on November 14, 2010
20. Pre-Calculus

Sorry to be a pest but I never got an answer and I'm really stuck Can you please check this equation. Find polar equation of x^2 + y^2 = 10y x^2 + y^2 = r^2 r^2 = 10sin(theta)

asked by Tonya on October 7, 2011
21. Calculus

Write the equation 4x + 5y – 3 = 0 in normal form. Then, find the length of the normal and the angle it makes with the positive x–axis.

asked by eddie on May 8, 2012
22. History

I don`t know the answer to this question. How did common criminals serve the NAZI Third Reich? I looked everywhere. I can`t find an answer. =[

asked by Sammie on November 26, 2007
23. chemistry

A 0.500M solution of a weak acid, HX, is only partially ionized. The [H+] was found to be 4.02 x 10^-3 M. Find the dissociation constant for this acid.

asked by kayla on August 5, 2008
24. Math

If the ratio of the areas of two squares is 8:25 and the side of the smaller square measures 28 cm, find the area of the bigger square?

asked by Jersey on December 12, 2016
25. Chemistry

Find the standard entropy (S^0) of ice at 25K. delta Hfus = 6009 J/mol and Cp of ice = 38 J/molK.

asked by Jessica on October 5, 2011
26. Algebra

A cashier has 26 bills consisting of three times as many ones as fives, one less ten than fives, and the rest twenties. If the value is \$120, find how many of each she has.

asked by Anonymous on September 11, 2017
27. calculus

find the points on the graph of y=secx where the tangent is parrallel to 6y-4x=8. (0 is less than or equal to x and x is less than or equal to 2pi). Use exact values.

asked by rachel on October 14, 2010
28. Chemistry

Find the pH of 1.0E-8 M H2S04 (H2SO4 2H^+ + SO4^2-) I have got answer to be 7.70, can you confirm the answer for me please? If it is not good, i'll be very grateful if you could leave some guides.

asked by Matt on September 6, 2014
29. CALCULLUS

Question 2: If is the position of a particle in space at time .Find the angle between the velocity and acceleration vectors at time

asked by NISARGILL on January 27, 2013

1) Find two values of o that satisfy the equation. Give your answers in degrees and radians. Do not use a calculator. (a) sec o = 2 (b) sec 0 = -2

asked by Hannah on January 15, 2010
31. math

find thedomain and range of {(7,-2), (-6,-4) (9-9,)-(5-5)}= evaluate f(x) +3x^2-4x-3at f(x-1)= evaluate f(x)= -5x+8 atf(-3)= it will be well appreciated of what how and help with these math problems plz thank you

asked by sherri on January 4, 2009
32. pre-calculus

A rectangular box has a perimeter of 36 inches. Find the length and width of the box that would give the maximum area. e. l = 9, w = 9 f. l = 81, w = 9 g. l = 27, w = 9 h. l = 18, w = 18

asked by Sam on December 12, 2016
33. cal

The function gives the distances (in feet) traveled in time t (in seconds) by a particle. Find the velocity and acceleration at the given time. s= √(t^2-5), t=3

asked by tony on November 23, 2013
34. Algebra

A cashier has 26 bills consisting of three times as many ones as fives, one less ten than fives, and the rest twenties. If the value is \$120, find how many of each she has.

asked by Judith on September 11, 2017
35. Algebra II

I sketched the graph for this but I don't know how to find B and C: x=t-2 Sketch the graph of: for -2¡Üt¡Ü5 Y=t^2-4t-3 B. State the domain of x and the range of y. c. Write y as a function of x.

asked by Sue on September 12, 2010
36. Geography

I am having A LOT of trouble locating river Severn on a map of the UK. I don't have and atalas with me and I can't find a map that shows me. Thank you!

asked by Anonymous on September 13, 2010
37. Math

Find the possible values of b,h and l for a triangular prism with volume 21 cubic meters. How many ways can you do this? Sketch a diagram of one possible prism.

asked by Anonymous on December 2, 2014
38. math

the area of a triangle is equal to 48 cm squared and two of its sides measure 12 cm and 9 cm, respectively. find the possible measures of the included angles of the given sides.

asked by hazel on November 23, 2013
39. History

Can someone help me find some websites speaking about the social, political, and economic compositions of the Reganomics and how it affected our political climate?

asked by Confused on August 3, 2008
40. math

a ball is dropped from a height of 3 meters. It bounces to 2/3 of the height from which it fell at each boune.find distance travelled

asked by Anonymous on September 4, 2014
41. Physics

Find the Time Constant for a 50 k resistor in a series with a 60 uF capacitor connected to a DC circuit. Also how long will it take for this capacitor to become charged?

asked by John on June 10, 2013
42. Algebra

For what real values of a is x^2 + ax + 25 the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.

asked by Zane on February 24, 2016
43. Algebra

The following equation has three solutions. Look for the greatest common factor, then use the quadratic formula to find all solutions. 10t^5 + 5t^4 = 50t^3

asked by Merty on April 27, 2015
44. value

IN PREPARING A RECIPE FOR CAKE ,THE RATIO OF FLOUR TO SUGAR IS 40:3 FIND THE REQUIRED QUANTITY OF FLOUR WITH 18KG

asked by value on August 25, 2016
45. Pre-cal

Find the vertex of y^2 + 4y + 2x +10 = 0. Use completing the square to put the equation into standard form as your first step. Could you show me how to get the vertex? Thanks

asked by Randy on May 6, 2010
46. physics

if an object has covered first 30 m distance in 5 sec and other 40 m distance in 20 min.find the average speed in cgs system.

asked by srishti on June 16, 2014
47. math's

find the compound interest of principal=rs 12,550, amount=?, rate of interest=9% semi annually, time= 2.5

asked by aryan on November 6, 2015

a n equailateral tringle has sides of equal length. find the domenwions of an equilateral tringle with perimeter of 45 inches

asked by safia on September 11, 2010
49. Chemistry

If I am given a titration curve with 3 pKas, pH values of an unknown acid, and volume of base used, how do I find out the concentration of the acid? Thanks.

asked by TA on September 27, 2013
50. algebra

The amount of rainfall in January in a certain city is normally distributed with a mean of 4.3 inches and a standard deviation of 0.3 inches. Find the value of the quartile Q1.

asked by steve handson on September 1, 2016
51. maths

find volume and curved surface area of a cone of radius 6.00cm and perpendicular height 8.00cm

asked by mark on October 16, 2012
52. Physics

Find the capacitance of a parallel plate capacitor if 1400 ìC of charge are deposited on its plates when 20 V are applied across the plates.

asked by Eren on December 1, 2014
53. physics

A ball rolling down an incline travels 6.0 m in the first 0.25 seconds, and 24 m in the first 0.50 seconds. Find: The average speed for the first time interval

asked by Kristi on January 16, 2012
54. Victoria Park

Algebra: Measurement One of the equal sides of an isosceles triangle is 3 m less than twice its base. The perimeter is 44 m. Find the lengths of the sides.

asked by Anthony on November 4, 2015
55. Physics

Two noises produce sound levels of 70 and 80 dB when acting separately. Find the sound level in dB when the sources act together.

asked by Suzanne on December 6, 2014
56. Chemistry

The half-life of Th-232 is 1.4E10. Find the number of disintegrations per hour emitted by 1 mol of Th-232.

asked by Nic on April 10, 2014
57. Math: Trig

What is Arcsec(-2) equal to and how can you find the correct answer? I got 2pi/3 but it was marked wrong on my test and I'm not sure why it's wrong. Can you please explain this to me? Thanks!

asked by Cici on June 16, 2014
58. Science

What are the EPA's standards for the maximum amount of cadnium per liter of water? I went on their website, but I did not find any specific amount. Thanks for looking into this.

asked by Bethany on March 20, 2009
59. writing

find information about a hurricane that occurred within the last week? A newspaper science journal science magazine encyclopedia

asked by Anonymous on May 10, 2012
60. Math

The perimeter of a rhombus is 40 cm and the distance between a pair of parallel side is 5.6 cm. If the length of one of its diagonals is 7 cm, find the length of the other diagonal.

asked by Kamal on January 2, 2012
61. calc

Consider the vector function given below. r(t) = 7t, 3 cos t, 3 sin t (a) Find the unit tangent and unit normal vectors T(t) and N(t). i found T(t) but I can't get N(t)

asked by sara on September 10, 2014
62. Calculus

Lines tangent to the curve y-1=2x^2+3x pass through the point A(2,-1). Find the x-coordinate(s) of the point(s) of tangency. The answer is 2+2^1/2, 2-2^1/2, I just don't know how to get there. Please help! Thank you!

asked by Ty on December 7, 2014
63. 7th grade math

what are the rules for these two problem? I can not figure it out. I spent 30 minutes trying to figure it out 1, 10 2, 9 3, 8 4, 7 lI know the left is increasing by one and the right is decreasing by one but I can't find an equation for this. and the

asked by hello on January 2, 2012
64. Chemistry

The half-life of 232Th is 1.4 * 10^10. Find the number of disintegrations per hour emitted by 1 mil of 232Th in 1 min.

asked by Nic on April 10, 2014
65. calculus

use the definition of the derivative to calculate f'(x), if f(x)= SQRT(2x) and find the equations of the tangent line and the normal line to the graph of f at x=2

asked by Raj on November 13, 2010
66. Calculus

A rectangle has a vertex on the line 3x + 4y = 12. Two of its sides lie along the positive x and y axes. Find the maximum possible area of such a rectangle.

asked by I on September 25, 2017
67. statistics

Suppose that a given population of trees have an average height of 10.2 ft and a standard deviation of 1.3 ft. Find the proportion of the population with heights above 11.8 ft.

asked by Erik on May 3, 2012
68. math

a cyclist is travelling with an average velocity of 5.9m/s [w]. what will be his displacement in 1.5 h? please show steps to answer-I tried but couldn't find the answer :(

asked by ash on December 1, 2014
69. Physics

A skater of mass 60 kg takes a 20 m radius turn at 12 m/s. Find the skater's angle of lean (between body and vertical)

asked by Rosie on January 6, 2012
70. math

The length of a shadow of a vertical flag mast 15.45 meters high is 22 meters.find the sun's altitude

asked by akhil on February 22, 2016
71. hindu arabic conversion

does anyone know where I can find a conversion chart of the Hindu Arabic numeral system? Everything I have searched just brings me to Roman numeral

asked by Anonymous on October 24, 2009
72. Math

P is a point outside of circle Γ. The tangent from P to Γ touches at A. A line from P intersects Γ at B and C such that m∠ACP = 120∘. If AC=16 and AP=19, find the radius of the circle.

asked by Leo on June 4, 2013
73. chemistry

3 moles each H 2 and I 2 are introduced into 1 lit box at temperature of 490'c. find concentration of H 2 in box at equilibrium is established?

asked by Anonymous on October 4, 2011
74. Analytic Geometry

Find the standard and general equation of a parabola with a vertex at (0,0) and graph passing through (3,5) Axis of Symmetry at x-axis.

asked by Meiza on August 17, 2016
75. math

The data in the table are linear. Use the table to find the slope. X| 2| 4| 6| 8 Y| 1|-2|-5|-8 A. 3/2 B. -3/2 C. -2/3 D. 2/3 Please help me work this out I don't know how to do this kind of stuff. Thank you in advance.

asked by blue on April 25, 2015
76. Math

Find the surface area of a right octagonal pyramid with height 2.5 yards, and its base has apothem length 1.5 yards.

asked by Jessica on June 1, 2011
77. math

In an isoceles triangle top vertex is twice the of the sum of the base angle.find all the exterior angles of the triangle?

asked by phani yej on March 21, 2017
78. algebra

the width of a credit card is 3 centimeters shorter than the length (L). The area is 46.75 square centimeters. Find the perimeter.

asked by help me plz on March 20, 2017
79. Math

Find the center, vertices, foci, and eccentricity of the ellipse. 9x^2 + 4y^2 - 36x + 8y + 31 = 0 My answer was: center=(2,1) v=(-2,10)(-2,-10) f=(-2,11)(-2,-11) e=11/3 Where did I make a mistake?

80. calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3 sqrt x,y=3 and 2y+1x=4

asked by webworks on April 24, 2015
81. math

The perimeter of an isosceles triangle is 16 in. The area of the triangle is 12 sq in. If the base is x in, the height is 4 in and the legs are y in, find the length of the three sides.

asked by Beatrice on January 5, 2012
82. Psychology

I need to find a historical person or a well-known person that is alive today who has a psychological disorder. I was wondering if I could get ideas on who to write about.

asked by Amanda on September 13, 2008
83. Maths

A person is appointed in the pay scale of RS 700-40-1500.find in how many years he will reach maximum of the scale

asked by Subham on February 20, 2019
84. math homework

use the limit process to find the slope of the graph of 'square root' x+8 at (8,4) a. 4 b. 1/4 c. the slope is undefined at this point d. 1/8 e. infinity

asked by jessie on August 31, 2016
85. MATH

the perimter of a rectangle is 20inches and its area is 16 square inches. Find the dimensions of the rectangle. I need help to set up the problem

asked by CRAIG on January 5, 2012
86. Muscular Energy

I am working on a project on energy and I can not find a definition of muscular energy. I am in the 4th grade. Can you help? i need the ans htht

asked by Jen on February 18, 2007
87. amath

The roots of the quadratic equation x^2-mx+n=0 ,where m and n are integers ,are a and 1/4a. (i)Find the sum and product of its roots (ii)show that 4m^2=25n How to do part 2 ?

asked by Candy on June 3, 2013
88. Quick Question

I am trying to find an online radio podcast that middle school students can use to host their own radio show. Can you help me research some?

asked by Max on April 11, 2014
89. English Language

Find the complete subject and complete predicate in the following sentence: His choice included land in both Maryland and vVirginia.

asked by Linda on October 27, 2015
90. math

a basketball team wins 77 games but had lost 63 games. haw do you find percent of of game won?

asked by booker on October 23, 2012
91. science

Hello. Please, help me do this. I would be really thankful! Find the mass of triacetate, which you can get from 1.62 ton of wood waste. The yield of process is 75% and there are 50% of cellulose in wood.

asked by eve on May 21, 2012
92. Physics

4 charges Q1=2C, Q2=3C, Q3=3C & Q4=-4C are placed at the vertices of a square of side 10cm. find the force on 5th charge Q5=1C placed at the center of square.

asked by Anonymous on April 14, 2015
93. science

A 2kg box is suspended from the ceiling by a rope that weighs 1kg.find the tension at the top of the rope?

asked by Sisay on April 23, 2014

An equilateral triangle is inscribed in a circle with a radius of 6". Find the area of the segment cut off by one side of the triangle.

asked by gayathri on October 5, 2015
95. math 9th grade

Find the angle of elevation of the of the sun when a 12.5 meter tall telephone pole cast a 18 meter shadow.

asked by candler on March 23, 2010
96. Physics

If the radius of curvature of the bump is r = 29 m, find the apparent weight of a 60 kg person in your car as you pass over the top of the bump at 12 m/s.

asked by Rachelle on January 7, 2010
97. calculus

verify that the function satisfies the hypothesis of the mean value theorem on the given interval. then find all numbers c that satisfy the conclusion of the mean value theorem. f(x) = x/(x+2) , [1,4]

asked by Sasha on November 7, 2010

Well I did a Pendulum lab. The length of my pendulum on a string was 95 centimeters and it took 19.15 seconds to complete the 10 cycles. Please help me to find the frequency.

asked by Tristan on May 4, 2013
99. Algebra

2. Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. x2+y2+8x+2y+8=0

asked by Jeannette on December 2, 2013
100. geometry

Find the area of the segment of the circle. Leave your answer in terms of pi. there is a circle with a 90 degree triangle and one side is 3 cm

asked by Hannah on May 4, 2013