# 1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find

93,754 questions, page 490
1. ## Math

Create a word problem about a triangle in any sports field. Write measures of all sides. Find area of the triangle by using Heron's formula

asked by Aish on August 11, 2016
2. ## Precalculus

Find all solutions to 2 cos(theta) = - 1 on the interval 0 less than or equal to theta less than 2 pi Give your answers as exact values, as a list separated by commas.

asked by Anonymous on April 7, 2013
3. ## science

20ml solution containing 0.2g of an impure sample of h2o2 reacts with 0.316g of kmno4 in the presence of h2so4. Find the purity of h2o2 in the mixture.

asked by Ram naresh panday on June 20, 2017
4. ## math

A jet A is flying above 2 ships B and C which are 18km apart. If the angles of depression of B and C from are 60 and 32 degrees respectively, find the height of the jet above the sea level, correct to the nearest m.

asked by someonestupid on March 5, 2016
5. ## math (trig)

For the following value of cos 0, determine the rad value of 0 for pi < 0 < 2pi (greater than or equal to pi and 2pi) -1/2 I don't understand I found out that the inner circle val is pi over 3. But I can't work out how to find 0

asked by Laura on January 28, 2018
6. ## math

find the product or quotient. write the strategy you used, write model, break apart, multiplication table, inverse operations, pattern, or doubles

asked by william on September 25, 2011
7. ## Math

Consider F and C below. F(x, y, z) = (2xz + y2) i + 2xy j + (x2 + 15z2) k C: x = t2, y = t + 2, z = 3t − 1, 0 ≤ t ≤ 1 (a) Find a function f such that F = ∇f. f(x, y, z) = x2z+xy2+5z3+C Correct: Your answer is correct. (b) Use part (a) to evaluate C

asked by Taylor on November 9, 2016
8. ## physics

3 identical charges each having charge 10 coulomb are placed at the corners of an equilateral triangle of side 20cm find the electric field at the centre of triangle

9. ## algebra ll

from a group of 6 men and 4 women , a committe of 3 is to be selected at random. find p(at least 2 woman)my answer is 1/6 if wrong give right answer and show the work please thank you

asked by Anonymous on October 26, 2008
10. ## physics

A subway train starts from rest at a station and accelerates at a rate of until it stops at the next station. Find the distance covered. xtot=1800m

asked by Light on August 14, 2016
11. ## scince

A man pushes a 50N box across a level floor at a constant speed of 2.0m/s for 10s. Find the average power output by a man.

asked by trina on July 26, 2013
12. ## calc

find derivative using limit definition: f(x) = x - sqrt(x) so f'(x) = lim h->0 [f(x+h) - f(x)]/h but I keep trying to solve by multiplying by the conjugate but I can't figure it out..there's nothing that can be cancelled or anything and I can't get the

asked by terra on September 26, 2011
13. ## algebra/trigonometry

A kite and a height of 75 meters from the ground is attached to a string inclined at 60 degrees to the horizontal. How do you find the length of the string to the nearest meter?

asked by Christie on May 15, 2016
14. ## math

By a unit fraction, we mean a rational number with a numerator of 1. Symbolically, 1 b where b is a nonzero integer. Find six distinct, positive unit fractions whose sum is 1.

asked by Omar on February 6, 2013
15. ## math

A "super ball" dropped from a height of x feet bounces to a height y that is 80% of x. Can anyone please teach me how to find its numerical, algebraic, and graphical representations? Thanks a lot!!!

asked by Lusi on March 1, 2008
16. ## pre-cal

A "super ball" dropped from a height of x feet bounces to a height y that is 80% of x. Can anyone please teach me how to find its numerical, algebraic, and graphical representations? Thanks a lot!!!

asked by Lusi on March 1, 2008
17. ## Chemistry

"There are two ions per formula unit in this compound. The -1 anion has 8 more electrons than the cation." I need to find the Chemical formula/name. Any suggestions on how to start? This can have more than one correct answer.

asked by Hanna on October 15, 2007
18. ## Osciallations

A harmonic oscillator has mass 0.530km and an ideal spring with force constant 146N/m . Find the period, frequency, and angular frequency.

asked by jack on April 15, 2010
19. ## calculus

Use a double integral to find the area of the smaller region bounded by the spiral rtheta=1, the circles r=1 and r=3, and the polar axis. I just need help with setting up the integral.

asked by siddh on November 15, 2012
20. ## precalculus

After 3 hours the number of bacteria in a culture is observed to have doubled. Find the time that it takes the culture to grow to 30 times its initial size.

asked by Bria on October 21, 2014
21. ## math

Find the equation of the line that passes through the points (2/3, -5/4)and (-3, -5/6). Write the answer in slope-intercept form and standard form with integer coefficients. Thank you.

asked by daniel on November 16, 2012
22. ## Math

A lorry travels at 50km/h. Given that the diameter of its wheel is 88cm, find how many revolutions per minute the wheel is turning. Given your answer to the nearest whole number.

asked by Emily on March 20, 2013
23. ## Math

Mr. Micthell invested \$16000, part at 8%, and the remainder at 6%. If the total yearly interest from these investments was \$1180, find the amount invested at each rate.

asked by Yakima on February 17, 2012
24. ## trig

Write the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression. 2tan 2pi/3 / 1-tan^2 2pu/3

asked by tony on June 21, 2013
25. ## calculus

Can someone help me understand how to find the derivative of these two problems: (t^2-1/t^2+2)^3=y and y=sin^32x? I think with the first one, I could just foil it maybe and cancel but I don't know what to do with the ^3...and then the second one I haven't

26. ## physics

7 pulles of 6 hanged with weighs 23kg,15kg,20kg,6kg,34kg,5kg then find the weight hanged to 7th pulley

asked by umapathi on August 30, 2015
27. ## math

Take 90 cm as the two sides of a triangle (Line B and C), with an angle of 32 degrees (Degree 'a'). Use the Law of Cosine to find out Line A's length. Round it up to the nearest digit.

asked by Anonymous on November 23, 2010
28. ## Physics

For safety in climbing, a mountaineer uses a nylon rope that is 55 m long and 0.9 cm in diameter. When supporting a 88-kg climber, the rope elongates 1.4 m. Find its Young's modulus.

asked by Dan on April 4, 2013
29. ## Math

As many 8cm diameter discs as possible are cut from a sheet of rectangular cardboard measuring 170cm by 90cm. Find the area of the sheet that is left.

asked by Emily on March 20, 2013
30. ## Calculus

Find y that satisfies the given condition dy/dx=20x(5x^2-1)^3; curve passes through (1,3) I took the antiderivative and ended up with 10x^2((5x^2-1)^4/4). I end up with a large number at the end, which I think might be wrong.

asked by Mike on December 2, 2017
31. ## Algebra

I am using a TI-83 calculator to find all the solutions to the quadratic equation (5x(Squared) - 80 = 0)by graphing. The answer is supposed to be (-4 and 4) but the calculator comes up with (ERR: NO SIGN CHNG). Can you tell me what I'm doing wrong?

asked by Deanna on December 2, 2011
32. ## MATH

A straight pipe carried water from reservoir(R) to a tap(T) and T are 2km a part horizontally and R 500m above the level.find lenght of the pipe.

33. ## Calculus I

Find the volume of the solid formed by rotating the region bounded by the graph of y equals 1 plus the square root of x, the y-axis, and the line y = 3 about the x-axis.

asked by Jer on April 22, 2016
34. ## math

a aquare pyrimid has a volume of 1280 cubic meters. the base side lengths are 16 meters. find the perpendicular height of the pyramid.

asked by maya on April 10, 2009
35. ## Math

Create a word problem of your own about a triangle in any sports field. Write measures of all sides. Find area of the triangle by using Heron's formula.

asked by Aish on August 13, 2016
36. ## math

Find equation of the line that passes through the points (2/3,-5/4) and (-3,-5/6). write your answer in slope-intercept form and standard form with integer coefficients.

asked by emmy on November 27, 2012
37. ## MATH

Consider F and C below. F(x, y, z) = 2xz + y2 i + 2xy j + x2 + 15z2 k C: x = t2, y = t + 2, z = 3t − 1, 0 ≤ t ≤ 1 (a) Find a function f such that F = ∇f. f(x, y, z) = x2z+xy2+5z3+C Correct: Your answer is correct. (b) Use part (a) to evaluate C

asked by Anon on November 9, 2016

Find the midpoint of the segment below and enter its coordinates as an ordered pair. If necessary, express coordinates as fractions, using the slash mark ( / ) for the fraction bar.

asked by kiandra on December 21, 2016
39. ## chemistry

How do I find Experimental KCl solubility with this data: Test tube solute: Crystalizing temp KCl 35g/100ml 23.97C 40 39.55 45 57.10 50 75.20

asked by linda on December 17, 2009
40. ## Calculus

A box with a square base and open top must have a volume of 4,000 cm3. Find the dimensions of the box that minimize the amount of material used.

asked by Anna on January 28, 2014
41. ## Math

Find the area of composite polygon shown below top 110cm. Angel side 50cm. Bottom 180cm. Side 140cm

asked by Raven on May 22, 2017
42. ## One Math

The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6)

asked by Sandy on February 25, 2016
43. ## mecancs

a projectile is fired with an inteal speed of 53m/s.find the angle of projection such that the maximum hight of a projectile is equal to its horizontal range.

asked by yibeltal on November 5, 2014
44. ## Chem

What is the volume occupied by 24.4 g of argon gas at a pressure of 1.31 atm and a temperature of 464 K? n=24.4g P=1.31atm T=464 Find V i tried working it out and i got 7091.98 and is inncorrect can i get some help?

asked by Amy on October 15, 2010
45. ## math

Khalid is now four times as okd as his daughter. Ten years ago,if the sum of their ages was sixty. Find the present age of his daughter?

asked by ramzan on April 19, 2016
46. ## geometry

I tired but answers don't make since. Problem is segment CD is perpendicular bisector of segment AB. Need to find lengths of AC (9y-6), AD (3x), and AE ((5x +6). Others: BE=(5x+ y), BD (x + 10) and CB (7y). Figure like a kite. HELPPPPPPPPPP.

asked by miranda on April 15, 2015
47. ## Calc 1

Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = 5th root(x), 0 ≤ x ≤ 32

asked by TayB on May 14, 2015
48. ## Math

A neighborhood garden that is 2/3 of an acre is to be divided into 4 equal size sections. Write and solve an equation to find the size of each section. 3/2 x 4/1 = 12/2 =6. But need help in explaning the 6. 6 what?

asked by Leeah on September 28, 2015
49. ## Calculus

18) Find all numbers c that satisfy the conclusion of the Mean Value Theorem for the following function and interval. Enter the values in increasing order and enter N in any blanks you don't need to use. f(x)=2x/6x+12,[1,4]

asked by Hailey on October 20, 2014
50. ## math

There are 10 different pairs of shoes in a wardrobe. Find the probability of the event that there is at least one pair among them in choosing 4 shoes by chance. Express your answer in rational form.

asked by jevan on March 27, 2014
51. ## chemistry

I read in a book that gas particles move rapidly in all directions. Somehow I find that random directions is better.The word "all" sounds a bit weird. What do you think?

asked by anne on February 9, 2009
52. ## trig

the terminal side of an angle theta in standard position coincides with the line y=5x and lies in quadrant 3. find the six trigonometric functions of theta.

asked by meg on November 29, 2010
53. ## Geometry Inscribed

line BC is tangent to circle A at B and to circle D at C (not drawn to scale) AB=11, BC=23,and DC=2. find AD to the nearest tenth. Image: i.imgur(dot)com/f4ThxTu.jpg

asked by Rose on March 9, 2013
54. ## Pre-calc

If llull=1 and llvll=3, and the vectors maek angles of 170 degrees and 130 degrees with the x-axis respectively, find the component form of the sum of u and V. Please help thanks!

asked by Casandra on February 13, 2012
55. ## psychology

how is erikson's development theory applicable to children today? Did he use science to back up his theory? Could you help me find a good site. None that I've looked at have been able to help me with my essay.

asked by Anonymous on February 22, 2010
56. ## Calculus

Find the distance, in meters, a particle travels in its first 10 seconds of travel, if it moves according to the velocity equation v(t)= 49 − 9.8t (in meters/sec) a) -49 b)0 c) 245 d) 441

asked by Alice on January 26, 2019
57. ## Algebra2/Trig

Find an equation of the parabola with vertex at the origin. Passes through the point (4,6); horizontal axis. I know it has to be y^2=4px. But I don't know what to do with (4,6). Please show step by step. Thanks.

asked by Vincent on February 3, 2009
58. ## Social Studies

Can anyone give me a link to a short article on immigration from Latin America. Whenever I search for one I only find really long articles. I need to easily summarize the article.

asked by huncho jack on January 20, 2018
59. ## Maths

The length of a fence of a trapezium ABCD is 130m side ab is perpendicular to each of the parallel side AD &BC.if BC =54cm,AD=19cm,&AD=42cm,find the are of the field

asked by Kritika Khanna on January 26, 2017
60. ## marine biology

Choose the plants from the following list that you would find in the lower shore area of the rocky shore. kelp lichens irish moss rockweed

asked by nyasia on March 21, 2011
61. ## Math

An object is acted upon by two forces, u and v, with direction angles €u and€v, respectively. Find the direction and magnitude of the resultant force. U= 30lb €u = 0degrees v= 90lb €v =60 degrees

asked by Jace on November 13, 2012
62. ## physics

two blocks of each mass m=3.75kg are fastened to the ceiling of an elevator. If the elevator accelerates upward at 1.6m/s^2. Find the tension in T1 and T2 in each upper and lower rope

asked by Rebecca on March 11, 2015
63. ## physics

a ball of mass of 4kg,of density 4000kg/m3 is completely immersed in water of density 1000kg/m3.find the force of buoyancy.[g=10m/s2]

asked by keerthiga on October 23, 2012
64. ## Math - Ratio

A map scale is 1:10,000. Find the actual distance in centimetres represented on a map by 5cm. Convert your answer to metres and kilometres.

asked by Jeff on January 13, 2015
65. ## maths

Find the probability of drawing a diamond card in each of the consecutive draws from a well shuffled pack of cards,if the card drawn is not replaced after the first draw

asked by Robert on December 14, 2012
66. ## music

Log on to MTVTr3s and answer the following question : What videos were voted Best of 2008 ? Name the artist and the Title of the Song ? mtvtr3s. com/music/ For some reason I could not find them?

asked by Kate on January 8, 2009
67. ## social studies

Did the North or the South have an increase in railroad construction during the Civil War? I think the North did. The section in our book where we are suppose to find the answer is not very clear.

asked by Reed on September 12, 2011
68. ## algebra

Find a formula for the amount A of CO2 a car produces in terms of the number n of miles driven and the gas mileage G mi/gal of the car

asked by Anonymous on September 13, 2011
69. ## calculus

A particle moves in a straight line with velocity given by v(t) =sin t metres per second. Find the total distance travelled by the particle in the first 4 seconds of motion

asked by jenna on February 14, 2012
70. ## ALGEBRA 2

In triangle ABC , angle C is a right angle. Find the remaining sides and angles. Round your answers to the nearest tenth. Show your work

asked by SAM on November 28, 2014
71. ## Subtraction equation

Please help The original acreage was 125,000, recentlly they expanded their boundaies by 93,533 areas, how do I write subtraction equation to find new acreage

asked by Jenny on December 4, 2014
72. ## Pre-Calculus Matrix

Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4x - y + 3z = 12 x + 4y + 6z = -32 5x + 3y + 9z = 20 4 -1 3 12 1 4 6 -32 5 3 9 20 I believe that the solution does not exist and

asked by Alexa on June 8, 2016
73. ## Calculus

Find the volume of the solid formed by rotating the region bounded by the graph of y equals 1 plus the square root of x, the y-axis, and the line y = 3 about the line y = 5.

my physics teacher asked the class to find a cool physics topic and write a summary and a reflection on it 1page.... any ideas im really stuck

asked by JESSICA!!!!!!!!!!!!!!!!! on October 5, 2008
75. ## Algebra 2

The area of a rectangular blanket in square centimeters is 40x^2+2x-65. The width is 4x-5 cm^2. Find the dimensions of the blanket in terms of x. What is this question? like a foreign language or something

asked by Christian on May 7, 2007
76. ## College Algebra

Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. x^2+y^2+16x-18y+145=25

asked by Amanda on February 18, 2013
77. ## math

Find the monthly payment for the loan. ( round your answer to the nearest cent.) Finance \$950,000 for a warehouse with a 7.50% 30 year loan

asked by shawanda on August 11, 2014
78. ## physics

A 90 kg mover climbs a ladder to a height of 8 m in 32 s. Find the power ratingof the mover. I solved by using P= mgh/t and came up with 220.5 watts. Is this correct or am I suppose to use P=w/t?

asked by Mack on December 4, 2011
79. ## PHYSIC

A BODY MOVING WITH A UNIFORM ACCELERATION. IT TRAVELS 84M IN FIRST 6 SEC AND TRAVEL 180M IN 5 SEC FIND ITS INITIAL VELOCITY AND ACCELERETION

asked by RAHIM on September 11, 2016
80. ## Research- psychology

Are there books written about the history of psychoanalysis? I have to write a paper about Sigmund Freud and how he was a turning point in history but I can't find sources that have to do with the BEFORE and AFTER. Any suggestions?

asked by Namrot on April 14, 2009
81. ## chemistry

titration of 50ml of 0.25ammonia with 0.5M HCL . a) find the initial PH value b) volume of HCL is required to reach the equivalent poinnt c)the ph at the equivalence point

asked by anne on November 29, 2014
82. ## math

Each letter of the alphabet is a written on a separate piece of paper and placed in a box. Find the probability of a drawing a vowel a,e,i,o,u or a letter in the word sum. Thank you

asked by Kay Kay on December 31, 2009
83. ## social studies

I need to answer the questions on my study guide, it is my homework but I forgot my book,I need to read chapter 3 it's about our earth,s renewable and non renewable resources.where else I find out about it

asked by lily on January 21, 2014
84. ## math

A stained glass window is composed of 20 triangular sections, each with sides 6, 8, and 7 in. Find the total area of the window (to the nearest square inch).

asked by pepe on March 31, 2010
85. ## Math

A trough has width w=4ft, length L=19ft, and height h=7ft. Find the work to pump all of the water over the top of the trough with units.

asked by Nat on February 14, 2018
86. ## math

Ex. 120 m of fencing is to be used to form three sides of a rectangular enclosure , the fourth side being an existing wall . Find the maximum possible area of the enclosure

asked by saman on February 7, 2014
87. ## algebra

Mary drove from Amity to Belleville at a speed of 50 mi/h. On the way back, she drove at 60 mi/h. The total trip took 4(2/5)h of driving time. Find the distance between there two cities

asked by sydney on December 19, 2011
88. ## math

a right triangle whose hypotenuse is h mm long is rotated about one of its legs to generate a circular cone.find the radius and altitude of the cone of greatest volume.

asked by gen on February 14, 2011
89. ## trig/math

A stained glass window is composed of 20 triangular sections, each with sides 6, 8, and 7inches. Find the total are of the window( to the nearest square inch).

asked by america on March 31, 2010
90. ## physics

2 point charges -9nC n 16nC are separated by distance 1m find the position along the line joining the charges on which the resultant electric intensity is zero

asked by supriya on April 14, 2016
91. ## physic

A water skier has a mass of 73 kg. Find the magnitude of the net force acting on the skier when she lets go of the tow rope and glides to a halt in 20 s.

asked by hy on December 4, 2010
92. ## Calculus 1

Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = cube root(x) , 0 ≤ x ≤ 27

asked by TayB on November 25, 2015
93. ## Algebra

Suppose \$A\$ and \$B\$ are digits for which the product of the two-digit numbers \$\underline{2A}\$ and \$\underline{AB}\$ is 1971. Find the sum of \$A\$ and \$B\$. Note: This is LaTeX, so if you need to render it, then go ahead

asked by Mr. Alexander on August 24, 2015
94. ## Trigonometry

A car with a wheel of radius 14 inches is moving with a speed of 55 mph. Find the angular speed of the automobile to the nearest mile per hour. I got 55/14

asked by Joe Smith on February 12, 2013
95. ## maths

1.Without using Pythagorus theorm, prove that the points (-4,-3), (-2,2),(8,-2)are the vertices of a right angled triangle. 2. The 3 vertices of a parallelogram taken in order are (3,4),(-2,3), (-3,-2).Find the coordinates of the fourth vertex ?

asked by kumar on January 28, 2017
96. ## Math

This is my sample: 29,083 ; 25,314, 31,920 ; 30,750 ; 32,302 I need to find the mean and standard deviation of this sample?! How can i assure the life spans are normally distributed?

asked by Aqueen on May 6, 2015
97. ## Physics

A monatomic ideal gas expands from 1.00m^3 to 2.50m^3 st a constant pressure of 2.00x10^5 Pa. Find the change in the internal energy of the gas.

asked by B on November 24, 2012
98. ## science

A body was moving with a velocity 60km/hour. It is brought to rest by applying a force of 200newton.Find the mass of body in5sec

asked by Aisha on November 19, 2017
99. ## math

find the interest rate to the nearest hundredth of a percent that will produce \$2500, if \$2000 is left at interest compounded semiannually for 4.5 year

asked by amber on October 23, 2012
100. ## math

so on one of my 6th grade practice test for the big test tomorrow and it said " which of the ratios below are equivalent to 10:12 circle all that may apply" and i was wondering how i find the equivalents

asked by skyler on April 30, 2019