# 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 435
1. ## science

machine fires 5 bullets per sec each of velocity 200m/sec. find power of the gun.

asked by spandana on September 28, 2012
2. ## alg 2

a rectangle is to be inscribed in a isosceles triangle of height 8 and base 10. Find the greatest area of such rectangle.

asked by keeter on January 17, 2011
3. ## hard core physics

A car is at motion.It horns an hears the echo of the sound after 6 sec.find the speed of the car.

asked by j on July 27, 2016
4. ## math

need to know how to find the distrbutive property of 50x62,159= (50x )+(50x )+(50x100)+(50x50)+(50x9)

asked by Alaina on March 28, 2013
5. ## arithmetics

what if they wanted me to find out what 1 and two thirds of 36 was or 2 and two thirds of 36?? "of" means multiply. If they say "what is 4 and 1/2 of 8?" You take 4.5 x 8 Matt Check down below ( at your first question) I answered it there.

asked by chrissy again on July 10, 2007
6. ## Pre-Calculus Help, thanks:)

Find the domain of f(x) = 1/ (square root 2x^2-7x-15) I tried setting 2x^2-7x-15 greater or equal to zero but I don't know where to go from there to solve for my domain. Help please!:)

asked by L.Bianchessi on March 11, 2012
7. ## Physics

Two spheres are cut from a certain uniform rock.One has radius 4.50 cm.The mass of the other is five times greater. Find its radius.

asked by Amy on September 24, 2011
8. ## algebra

6x+5y=17 find the equation, in slope-intercept form, for the line which is parellel to this line and passes through the point (-10,3)

asked by michael on September 27, 2012
9. ## Geometry

find the area of a parallelogram with diagonals of lengths 10 inches and 22 inches that intersect at a 65 degrees angle

asked by Joe on May 17, 2011
10. ## Math

The third angle in an isosceles triangle is 116° more than twice as large as each of the two base angles. Find the measure of each angle.

asked by Gabriel on September 30, 2014
11. ## math

The length of rectangular garden 5m longer than its breadth . If the perimeter is 150 than find its area of garden

asked by bhola on September 11, 2018
12. ## physics

a ball is thrown vertically upward with an initial velocity of 20 m/s? find the height attain by the ball?

asked by shubhum on September 19, 2014
13. ## maths

A rectangular feild 15m long and 9m. Width it has apath 1.5m width all around it find the area of the path

asked by suchitrs on February 22, 2017
14. ## algebra

Find a bound on the real zeros of the polynomial function f(x)=x^4+x^3-4x-6 Every real zero of f lies between ______ and______.

asked by Sharday on June 8, 2013
15. ## calculus

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2, y = 0, x = 0, x = 3, about the y-axis

asked by Matthew barlow on December 7, 2011
16. ## Math

two pyramids are similar with a ratio of surface areas of 25:64, find the volume of the second pyramid given that the first has a volume of 250 m

asked by Kelin on July 28, 2016
17. ## Calculus

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2, y = 0, x = 0, x = 3, about the y-axis

asked by Matthew barlow on December 7, 2011
18. ## chemistry

How would you find the empirical formula for this... a substance was found by analysis to contain 20% by mass calcium and 80% by mass bromine.

asked by Jamie Marie on October 29, 2009
19. ## math

Find the EXACT value of sin(2A) if cscA=5/4 Assume A is a Quadrant I angle in standard position. sin(2A)=

asked by math on July 30, 2019
20. ## trigonometry

Find all the angles between 0 degrees and 360 degrees which will satisf y the equation: 5tan^2 y +5 tan y = 2 sec^2 y

asked by lindsay on May 2, 2012
21. ## Trigonometry

How do I find all solutions to: tanx+3cotx=4? The answer choices are: a.) x=arctan3+nPi b.) x=arccot3+nPi

asked by Grace on January 1, 2010
22. ## geometry

asked by bob on September 23, 2011
23. ## math

Find the height of this cylinder given that the surface area is 628 square inches and the diameter is 10 inches.

asked by charlene on June 10, 2013
24. ## math

find the capacity of an oil tank if an addition of 15 gallons raises the reading from 1/4 full to 5/8 full

asked by sh on July 23, 2016
25. ## Algebra

The following functions are defined for all real values of x. Find the range of the funcion. 1) y=m^2-4m-5 2) y=-9v^2-18v-55. Thank you for your help. (Please step by step.

asked by HELPPPPP on November 9, 2016
26. ## maths-urgently

An arc of a circle is of length 5p cm and the sector is bounds has an area of 20p cm^2 find the radius of the circle.

asked by Anonymous on January 20, 2013
27. ## physics

A body travels with uniform acceleration.Its final velocity,v=180-7x,where x is the displacement.Then find its acceleration.

asked by go ramesh on September 30, 2014
28. ## Calculus [Finding volume of solid]

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2 y=0 x=3 about the y-axis

asked by Ali on November 30, 2012
29. ## math

find the principle that will yield a compound interest of rs-1632 in 2 years at 4% rate of interest per annum

asked by hdh on February 12, 2017
30. ## Precalculus

If sinu = -5/7 and pie

asked by joel on January 13, 2010
31. ## Math

In a parallelogram a diagonal of the length 20 cm is perpendicular to one of the sides. Find the longer side of parallelogram if its perimeter is 80 cm.

asked by Sam on March 3, 2019
32. ## alg 2

a rectangle is to be inscribed in a isosceles triangle of height 8 and base 10. Find the greatest area of such rectangle.

asked by keeter on January 17, 2011
33. ## maths

By making the substitution u=7^x and using part a, derive a hidden quadratic equation 7^(2x-1) +4×7^(x-1) -1/14 =0 and hence find all of the solutions to the above equation.

asked by Lauren on October 26, 2016
34. ## geometry

asked by bob on September 23, 2011
35. ## physics

find the mass of a ball on a roof 30 meters high, if the ball's gravitational energy is 58.8 joules.

asked by ella on November 3, 2014
36. ## Calc I

with finding the area under a line i need to find anti derviatives for: e^3x dx Cos^4 x Sinxdx e^(x^2) xdx e^x^2 dx Cos(3x)dx

asked by kenny on December 8, 2011
37. ## Math help

The perimeter of triangle RXA is 39, PX=49 and AP=9.Find RX and RA. P is at the middle. I think it's under triangle bisector theorem. Help me answer this guys. Thanks

asked by Jude on February 18, 2015
38. ## math

Find the EXACT value of sin(2A) if cscA=5/4 Assume A is a Quadrant I angle in standard position. sin(2A+=

asked by math on July 30, 2019
39. ## calculus

Find the volume that remains after a hole of radius 1 is bored through the center of a solid sphere of radius 2.

asked by Jane on December 8, 2011
40. ## math

the proportion of the wind's energy that can be obtained from a windmill is given e(x)=4x^3-8x^2+4x where x is slowed find proportion x that max interval (0,1)

asked by a on June 28, 2011
41. ## alg 2

a rectangle is to be inscribed in a isosceles triangle of height 8 and base 10. Find the greatest area of such rectangle.

asked by keeter on January 17, 2011
42. ## math

Verify that f(x) = x^3 − 2x + 6 satisfies the hypothesis of the Mean-Value Theorem over the interval [-2, 3] and find all values of C that satisfy the conclusion of the theorem.

asked by Ronnie on December 19, 2010
43. ## Statistics

I need to find the measures of spread and center for each data set in a problem I am doing. How do I do that? Also, is the center the mean(average)? Or the median?

asked by Jill on March 6, 2012
44. ## Geometry

Write the equation of the family of lines with slope -1/2 and find the two members of the family 5 units away from the origin.

asked by Hannah on July 31, 2019
45. ## chemistry

use dimensional analysis to find how many moles of nitrate ions are in 40.0 mL of a 0.75 M aqueous solution of aluminum nitrate

asked by M on August 22, 2011
46. ## geometry

Draw and label the following: segment AB intersects segment CD at point M. M is the midpoint of both segments. If AM = x2 + 8x + 17 and MB = 12x + 14, find AB.

asked by ana on September 29, 2012
47. ## maths

The sum of two consecutive counting numbers divided by their positive difference is 9. Find the larger numbers.

asked by anonymous on March 6, 2016
48. ## chemistry

plan and design an experiment which would allow you to find the percentage by mass of copper in a sample of impure copper

asked by kim on March 27, 2011
49. ## math

the price of wheat is decreased by 25% and its consumption increased by 25% find the new expenditure as ratio of initial expenditure

50. ## intermediate algebra

Two supplementary angles are such that one is 14 times larger than the other. Find the two angles. (Enter solutions from smallest to largest.)

asked by unique on February 4, 2012
51. ## math

if the lenght of rectangle is 20cm and bridth is 5cm find the side of square which is equiangular with the rectangle

asked by vaidehi on March 29, 2013
52. ## geometry

Geometry riddl How did they like the story about towel manufacturing? Also, where can I find geometry worksheets on plane and simple? ? ? ?

asked by Debra on September 26, 2006
53. ## maths

a fair is tossed 200 times. find the probability of getting a head an odd number of times.

asked by Ashish on March 7, 2016
54. ## algebra

the length of the top of a table is 6 m greater than the width. the area is 91m^2. Find the dimensions of the table.

asked by jane on December 19, 2010
55. ## Math

An account earns simple interest. Find the annual interest rate. I= \$30 P= \$250 t= 3 years

asked by Galaxie on March 14, 2019
56. ## calculus

Sketch the region enclosed by 2y=5sqrtx, y=5 and 2y+3x=8. Decide whether to integrate with respect to x or y, and then find the area of the region.

asked by ayee on May 4, 2012
57. ## chemistry

20.70 ml of .42 M HClO4 is required to neutralize .966g of an unknown base. Find the molar mass of the base .

asked by Cristina on May 7, 2014
58. ## MATHS

The compound interest on a certain sum for 5/2year at 5%per annum compounded annually is rs416.20.find the sum

asked by Vasif ansari on June 18, 2017
59. ## MATHS URGENT

By making the substitution u=7^x and using part a, derive a hidden quadratic equation 7^(2x-1) +4×7^(x-1) -1/14 =0 and hence find all of the solutions to the above equation.

60. ## Math

The x-axis, the y-axis, and the line through the point (1, 3) having slope -3 form a triangle, find the area. Is the answer 6

asked by Lilly on December 26, 2013
61. ## ap calc

let f(x)= bx^2+6x, if x< or equal to 2 ax^3, if x>2 find the values of a and b such that f(x)is differentiable at x=2 I need help with this question I know you have to set both functions equal to each other. but I don't know how to solve for a and b

asked by Anonymous on November 9, 2014
62. ## intermediate algebra

Two supplementary angles are such that one is 14 times larger than the other. Find the two angles. (Enter solutions from smallest to largest.)

asked by unique on February 4, 2012
63. ## calculus

Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find the angle their resultant force makes with the force of 14 lb.

asked by Jasmine on February 13, 2015
64. ## Science

What is time dilation refers: to increasing time factors as one's speed increases I can not find any information on this

asked by Anonymous on March 28, 2010
65. ## math

A pie is cut in to 10 equal sector find the measure of the central angle of one slice of pie

asked by princi on July 19, 2017
66. ## chemistry

What [I^-]should be maintained in KI(aq) to produce a solubility of 1.9×10−5mol PbI2/L when PbI2 is added? (sorry i cant find it under the posted questions )

asked by CHEMistry help on March 9, 2009
67. ## Math

How would I find the confidence level (in %) if I am given the standard deviation, size of the random sample, and confidence interval?

asked by C on April 3, 2013
68. ## chemistry

how do you find the moles of solute and the molarity if the molar mas is 98.07, mass of solute is 62.0, and the volume of solution is 1.00?

asked by denise on June 13, 2010

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=2+1/x^4,y=2,x=4,x=9; about the x-axis.

asked by archi on February 9, 2012
70. ## Pre-Algebra

For an account that earns interest compounded annually, find the balance on the account to the nearest cent.

asked by Anonymous on January 21, 2013
71. ## geometry

find the area of a parallelogram with diagonals of lengths 10 inches and 22 inches that intersect at a 65 degrees angle.

asked by Joe on May 17, 2011
72. ## Calculus

The total charge in an electrical circuit as a function of time is given by q=t/(t^2+1) coulombs. Find the maximum charge of q.

asked by Candy on March 10, 2012
73. ## precalculus

Find the focus, directrix, and focal diameter of the parabola. x = −4y2 I answered everything right except the directrix. which my ans was -1/16.

asked by amaa on December 1, 2012
74. ## math

A rectangular table top has a perimeter of 22 inches and an area of 28 square inches. Find its dimensions.

asked by bsjs on October 27, 2016
75. ## pre-algebra

Find the slope of the line containing the given pairs of points. If the line is undefined, state so. Please show all of your work. (-5, -2) and (-7, -2)

asked by cody on June 20, 2011
76. ## Haramaya univercity

A 0.5 kg ball is thrown straight speed of 15m/s find the momentum of the ball at its maximum hieght

77. ## MATHS

While selling 15 copies, a man gains the cost price of 5 copies. Find his profit percent.?

asked by Clive on March 18, 2016
78. ## chemistry

on my selected thermodynamic data i cant find delta H for SiCl4(L) (i can solve the reaction i just cant figure out what SiCl4(L) is.

79. ## Maths

By making the substitution u=7^x and using part a, derive a hidden quadratic equation 7^(2x-1) +4×7^(x-1) -1/14 =0 and hence find all of the solutions to the above equation.

asked by Lauren on October 27, 2016
80. ## Math

A peice of ribbon 63cm long to be cut into two peices in ratio 2:5.find the length of each peice ?

asked by shashi on February 21, 2017
81. ## Statistics

How would I find the confidence level (in %) if I am given the standard deviation, size of the random sample, and confidence interval?

asked by C on April 3, 2013
82. ## math

a wire of length 24cm is bent to form a square.find the area of the square formed.

asked by sss on January 30, 2015
83. ## math

Find the exact value of the shortest distance from the origin to each line. y=x-4 is the equation of the line. When i do the problem I keep on getting 0 but that's not the answer!!! please help me.

asked by Allison on October 22, 2008
84. ## science- physics

Find the x- and y-components of the vector d⃗ = (6.0 km , 31 ∘ left of +y-axis). I worked it out and got 5.14, 3.09 and apparently it's wrong, I don't know what I did wrong.

asked by Laura on October 8, 2015
85. ## biomath

given lengths of the a rectangle are x and y show that the greatest rectangle having a perimeter of 200 cm square and thus find at area

asked by niati on April 9, 2011
86. ## Math

The width of a rectangular garden is 2 feet more than 1/3 of its length. The perimeter is 52 feet. Find the dimensions of the rectangle.

asked by Shelby on November 15, 2017
87. ## Physics

Two spheres are cut from a certain uniform rock. One has radius 3.54 cm. The mass of the other is 3 times greater. Find its radius.

asked by Student on January 29, 2017
88. ## Physics

The radius of the earth is 6.37*10^6 m and its mass is 5.975*10^24 kg. Find the earth's average density to appropriate significant figure.

asked by Arif khan on February 26, 2013
89. ## Pre calc

If 250 mg of a radioactive element decays to 200 mg in 48 hours, find the half-life of the element

asked by Dom on April 28, 2010
90. ## Physics

The radius of the earth is 6.37*10^6 m and its mass is 5.975*10^24 kg. Find the earth's average density to appropriate significant figure.

asked by Arif khan on February 26, 2013
91. ## History

I am doing a research paper on the French and Indian war, and I can't find the environment that the French were in compared to the British.

asked by Alyonka on September 19, 2011
92. ## Physics

Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.

asked by Zach on May 29, 2012
93. ## biology

1) I can't finish my homework due to this one question, please tell me where I can find this question, thanks! What are levels of protein structure of Angiosperms?

asked by Jessica on February 14, 2012
94. ## more physics..

find the kinetic energy of an airplane traveling at a speed of 648 km/h if the mass of the airplane is 5,000 kg.

asked by wayne on June 8, 2010
95. ## Analytical Chemistry

What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA–, A2–) at pH 7.05? Not sure how to find k1 and k2 needed for the fraction formulas...please help :(

asked by Sam on February 26, 2013
96. ## physics

Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.

asked by Phil on May 30, 2012
97. ## Math

A standard number cubes with the numbers 1 through 6 is rolled. Find the probability of rolling a number greater than 2.

asked by Michelle on November 27, 2010
98. ## statistics

A company manufactures caclculators in batchers of 64 and there is a 5% rate of defects. Find the probability of getting exactly three defects in a batch

asked by autumn on April 26, 2010
99. ## math

The perimeter of a rectangle is 90 cm. Its width is half its length. Which equation could be solved to find the dimensions of the rectangle?

asked by Anonymous on October 8, 2014
100. ## alge

Find the probability of x=4 sucesses in n=9 trials for the probability of succes p=0.6 on each trial. Round to the nearest thousanth.

asked by jerson on May 12, 2008