# 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 440
1. ## trig

find to the nearesr degree, all values of x between 0 degrees and 360 degrees that satisfy the equation 2sinx + 4 cos 2x =3

asked by Clarkney on May 17, 2010
2. ## calculus

Let R be the region in the first quadrant bounded by the graphs of y=e^-x, y=1/2x+1, and x=2. Then find the volume of the solid when R is revolved about each of the following lines... the x axis, y=-1, y=2, the y axis, x=-1, and x=3.

asked by Drew on December 15, 2010
3. ## Calculus 2b

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2 x=y^2 about the axis x=–3 ? Having Trouble please help!!

asked by Mary on August 17, 2010
4. ## algebra

p(x)=x^3+2x^2-3x+20 one of this functions zeros is -4 When using synthetic division to find all the zeros of a polynomial function, would you plug in 4 or -4 into the actual equation?

asked by Sarah on April 7, 2011
5. ## Calculus

Find two positive numbers whose sum is 8 such hat when the cube of th first number is multiplied by the second number, the result is maximum.

asked by Ashley on April 16, 2013
6. ## 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
7. ## Math

A roller Coaster begins at 90 ft above ground level. Then it descends 105 ft. find the height of the coaster after the first descendent

asked by Miriam on September 11, 2016
8. ## Math

In right triangle ABC, altitude CD is drawn to hypotenuse AB. If AD equals 4 and AC exceeds DB by 1, find DB. It is from a worksheet about proportions in a right triangle.

asked by Emily on February 21, 2010
9. ## Calculus

The base of a solid is bounded by y=2sqrtx, y=2 and x=4. Find the volume of solid if cross sections perpendicular to y=2 are semicircles

asked by Alexandra on April 17, 2011
10. ## Physics acceleration

A car accelerates uniformly from rest to a speed of 91.4 mi/h in 7.68 s. Find the constant acceleration of the car. Answer in units of m/s

asked by Jackie on October 1, 2015

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
12. ## math

find the next time both buses will leave Central Station at the same time. Show or explain how you found your answer.

asked by houston on March 16, 2013
13. ## physics

The angle of refraction of a ray of light traveling through a piece of flint glass is 24°. Find the angle of incidence.

asked by lilybell on November 26, 2017
14. ## inflection points

How can I find the number of points of inflection for a function whose second derivative is .5 + cosx - e^-x on the interval x is greater than or equal to 0 and less than or equal to 20?

asked by Anonymous on December 9, 2010
15. ## Somanay high school

Two forces of magnetude 6N and 10N act on a particle.their resultant is of magnitude 12N.find the angle between the two forces.

asked by Amos on November 10, 2015
16. ## Chemistry

2g NaHCO3 + .6 mL HCL --> NaCl+CO2+H2O How much carbon dioxide do I get? How do I find out? I got 410 mL of CO2, is this correct?

asked by Michelle on March 19, 2011
17. ## calculus

Find the equation of the line tangent to the graph of the given function at the point with the indicated x-coordinate. f(x)=(4 sqrt(x)+7)/(sqrt(x)+2); text( ) x=4

asked by Beth on October 14, 2011
18. ## statistics

The mean of a normally distributed data set is 226.2. The data item, 230, has a z-score of 0.2. Find the standard deviation.

asked by Anonymous on January 16, 2013
19. ## math

Find the monthly payment for the loan. (Round your answer to the nearest cent.) \$700 loan for 12 months at 12%

20. ## geometry

A sign is in the shape of a rhombus with a 60° angle and sides of 2 cm long. Find the area of the sign to the nearest tenth.

asked by Anonymous on February 20, 2011
21. ## 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
22. ## math

find the height of a pyramid whose square base measures 30yd on each side and whose slant height it 45yd?

asked by clark on June 9, 2016
23. ## Math

John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equation in terms of to find

asked by Anonymous on September 8, 2016
24. ## 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
25. ## math

IF HOCKEYPUCK TOOK 0.8 SEC TO TRAVEL 89 FEET TO THE GOAL LINE,FIND THE AVERAGE SPEED OF THE PUCK IN FEET PER SECOND

asked by SAHIL on December 29, 2011
26. ## basic calculus

find a appropriate formula for the area of a narrow circular ring....wedding band made of circular wire

asked by elijeh on January 31, 2017
27. ## Math

John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equation in terms of to find

asked by Raegan on September 8, 2016
28. ## math

what is the rule for using diameter to find circumference? If the diameter is 2* the length of the radius then d/2 then C=2pie+r. CATCH YOU ON THE FLIP SIDE

asked by sal on November 26, 2006
29. ## 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
30. ## maths

a man goes 5m west and then 12m due south.Find the the distance of the man frm the starting point

asked by faris on September 30, 2015
31. ## math

What are the two quantities that should be measured to find the rate at which water flows out of a shower head and explain how the rate can be determined.

asked by Patty on September 28, 2015
32. ## Physics II

find the velocity of escape of water through a small opening in a broiler where the pressure is 10^6 Pa above atmospheric pressure, assumed h1=h2 and v1=0

asked by Precious on February 1, 2017
33. ## Math

How do you find the total earnings when given the salary, commission rate, and sales? EX question: \$1,ooo plus 6% on sales of 2,000

asked by Alexis on November 29, 2011
34. ## geometery

1.given the function y=x^2-4x+5,find the following: a.vertex b.maximum or minimum c.axis of symmetry d.y-intercept e.x-intercept(zeros) f.graph

asked by sophie on October 25, 2012
35. ## math

A ladder 20 m long touches a wall at the height of 10m find the angle made by the ladder with the horizontal?

asked by Anonymous on March 5, 2017
36. ## Math

A metallic pipe is 0.7 cm thick .Inner radius of the pipe is 3.5 cm and length is 5dm .Find it's total surface area?

asked by Raghu on June 9, 2016
37. ## geometry

Find the approximate surface-area-to-volume ratio of the Moon. The radius of the Moon is 1,080 miles

asked by victoria on October 24, 2014
38. ## 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=3sqrtx , y=3 , 2y+2x=5

asked by Dan on August 17, 2011
39. ## PreAlgebra

A square playground has an area of 1500 ft.² Find the length of one side of the playground to the nearest 10th of a foot

asked by Amanda on November 1, 2017
40. ## math

a gun is fired at a distance of 24.3km away from man. he hears the sound after 27 second. find the speed of sound at which it travels.

asked by ak on January 16, 2018

Find the break-even point for the firm whose cost function C and revenue function R are given. C(x) = 180x + 12,000; R(x) = 270x

asked by Skylar on September 4, 2012
42. ## Math!!!!!

Fanny invests \$12000 at 6% p.a. For 2 years. Find the amount she will obtain after 2 years if the interest is compounded monthly

asked by Nicole on March 26, 2012
43. ## General Science

A power boat accelerates along a straight path from 0km/h in 10.0s.Find the average acceleration of the boat in meters per second.

asked by K-Lynn on January 30, 2013
44. ## 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 XXX on June 24, 2015
45. ## Math

Hi John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equation in terms of to find

asked by Anonymous on September 8, 2016
46. ## math

using simple interest on a loan at 8.4% for one year making monthly payments. Find the APR on a \$5000 loan.

asked by Scott on July 31, 2013
47. ## college algebra

I need help bad. Don't know which formula to use. Please explain step by step. 2x^2-12x+19. Find the interval where f is increasing and decreasing.

asked by Jackie on March 18, 2013
48. ## UK

The velocity of an object t seconds after it started moving is t(t-9). Find the total change in the object's position in the 6th second.

asked by Anonymous on April 13, 2011
49. ## 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 XXX on June 23, 2015
50. ## calculus

find the volume of the solid of revolution obtained by revolving the region bounded above by the curve y=f(x) = √16-x^2 and below by the curve y=g(x) from x=0 to x=x√2 about the x-axis

asked by Anonymous on March 3, 2012
51. ## Algebra ll

Please help!! I do not understand any of this!! Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f. Degree 4; zeros: 8,-6-i

asked by Sherri on May 11, 2015
52. ## 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)

53. ## physics

A plane is moving east at 100. km/h while the air around it moves at 30. km/h east. Find VR and draw a vector sketch.

asked by Elizabeth on September 3, 2012
54. ## algebra

how do i find the greatest monomial factor of 4x^2-17? p.s. the ^ means the the number following in superscript((which is a tiny number above it))) it says 4x squared minus 17

asked by court on November 29, 2008
55. ## GEOMETRY

FIND THE LATERAL AREA OF A RIGHT PYRAMID WHOSE SLANT HEIGHT IS 18mm AND WHOSE BASE IS A SQUARE WITH AN AREA 121mm^2

asked by JOY on May 21, 2011
56. ## Physics

Each of +3micro C are placed at three corners of a square whose diagonal is 6 m long find feild intensity at the point if intersection of diagonal

asked by Manahil on October 5, 2018
57. ## Trig

Find all the solutions in the interval [0,2pi). 2sin2x - sqrt(2) = 0 sin2x = sqrt(2)/2 I'm confused by the double angle. Please help.

asked by Travis on December 2, 2008
58. ## prealgebra

Find the New amount. #4.) Increase 35 by 40% #5) Increase 125 by 8% I don't know how to solve this and show work. Please help me kind person

asked by vick on February 27, 2012
59. ## Algebra

Find the value of x^3+¡¼2x¡½^2-3 when x =3. I don't know how to type x to the 3rd power it keeps putting a little triangle there. How do I do this? When I type it here or in word it does the same thing. Help!

asked by lizzie on August 7, 2011
60. ## calc

find linear approximations for each of the following and put a bound on the error of the estimate. 1. (7.985)^1/3 using f(x)=x^1/3 and a=8 2. (.9997)^100 using f(x)=x^100 and a=1 please help

asked by C on December 9, 2010
61. ## 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
62. ## 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
63. ## Algebra

I am very confused about functions. I think if I could see this example, then I'll be good. f(x)=x^2 and g(x)=5x. I am supposed to find f (little circle that's used in Danish...what's it called in math terms?) g, and g little circle f. Thank you so much.

asked by Yentrouc AKA Court on October 28, 2008
64. ## pre alg.

In a pattern, the # of colored tiles used in row x is 3 to the power of x. Find the number of tiles used in rows a, 5, & 6. no one has responded to my question yet

asked by Anonymous on December 11, 2007
65. ## physics

in a slap shot,a hockey player accelerates the puck from a velocity of 5.5m/s to 36m/s. if the shot take 3.16*10^-2, find the distance

asked by Anonymous on September 30, 2015
66. ## 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
67. ## physics

ok the question is: consider a concave mirror with a focal length of 13.72 cm find the image distance when the object distance is 6.86 cm. ok so i did 1/6.86 + 1/q = 1/13.72 so 1/q = -.0728862974 is this right?

asked by Claudia on May 16, 2009
68. ## Algebra 1

What are the two quantities that should be measured to find the rate at which water flows out of a shower head? Explain how the rate can be determined. Thanks!

asked by Katie on September 28, 2015
69. ## 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
70. ## liberal arts math

A population of 240 animals decreases at an annual rate of 10%. Find the multiplier for the rate of exponential decay.

asked by denise on September 8, 2016
71. ## math

how do you find the reference angle of csc,sec, cot? for example: csc theta= 2 times square root of 3 / 2

asked by dave on February 4, 2008
72. ## math (SIMPLE INTEREST)

1.find a)simple interest earned b) simple amount for the following investment i)RM20000 for 4 years 6 months at 11% per annum

asked by fizz on April 22, 2014
73. ## vector calculus

(a)Find the work done by the field F= yi+zj+xk in travelling around the curve X^2+y^2=4, z=0. (b) state stokes theorem and verify it for the field F given in (a), over the disc x^2+y^2

asked by forest on August 5, 2011
74. ## Math

A right circular pole has a base radiur r and a vertical angle 2ydegrees.Find the height of the pole in terms of r and y

asked by Anonymous on March 3, 2012
75. ## Math

The cost of pulling a fence around a square field at Rs 15 per meter is 432. Find the length of each side of the field.

asked by Ashok on November 25, 2017
76. ## chem

Find the percent by mass of sodium chloride in a 1.15M NaCl solution. The density of the solution is 1.07g/mL.

asked by natash on October 1, 2008
77. ## Algebra ll

Please help!! I do not understand any of this!! Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f. Degree 3; zeros: 8, -6-i

asked by Sherri on May 11, 2015
78. ## math (SIMPLE INTEREST)

1.find a)simple interest earned b) simple amount for the following investment ii)RM15000 for 5 1/4 years 6 at 9 percent per annum

asked by fizz on April 22, 2014
79. ## geometry

a Street in san franscico has a 20% grade-that is it rises 20' for every 100' horizontally. Find the angle of elevation of the street?

asked by jerry on September 3, 2012
80. ## physics

given a right triangle with hypotenuse of 12.5 cm, side y of 7.2 cm? find length of side x and size of other two angles? so you set it up as pythagoreum theory? 12.5= x^2 + 7.2

asked by tim on October 20, 2009
81. ## Math

Write and solve an equation for each of the following. Triangle ABC is congruent to triangle DEF. AB = 2x - 10, and DE = x + 20. Find the value of x and AB. I don't even know where to begin, please help.

asked by Karlee on October 30, 2017
82. ## calculus

Find the volume of the solid obtained by rotating the region bounded by the given curves about the speciﬁed axis. x+y = 3, x = 4−(y−1)^2; about the y-axis.

asked by Sam on March 2, 2017
83. ## Algebra

Write each repeating decimal as the sum-of two fractions. Find the sum and simplify. Verify . 0.75483 = 0.127 =

asked by Carmen on October 17, 2012
84. ## 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?

85. ## Math

Find the number of vertices in a polyhedron if it contains 20 triangular faces and 12 pentagonal faces. a. 30 b. 32 c. 60 d. 120 * Also please show me how you got your answer, thanks

asked by Michelle on May 26, 2016
86. ## Science

A coach wants to find out the speed of the runners on the track team.Tell what simple equipment the coach need in order to do this and explain how it should be done.

asked by Mel on January 21, 2018
87. ## Algebra 1

The width of a rectangular prism is 30cm. This is 12 more than one-fourth of the length. Find the volume of the prism, given the height is 20cm.

asked by JRCampbell on November 15, 2015
88. ## College Algebra

If the sides of a square are lenthened by 7 cm, the area becomes 222 cm squared. Find the length of a side of the original square.

asked by Jacqueline on August 12, 2010
89. ## Math

Find the value of the variable the diagram is NOT to scale S / \ / \ R - - - - T-* --> U (bascially a triangle tried my best to replicate it)

asked by dfgwer on October 22, 2018
90. ## Chemistry

Find the mass of oxygen gas needed to react with 0.2 moles magnesium and the mass of the product? Working out please

asked by Babiinoob on April 16, 2011
91. ## chemistry

Find the mass of barium metal (in grams) that must react with O2 to produce enough barium oxide to prepare 1.1 L of a 0.10 M solution of OH^ -.

asked by Jessica on February 19, 2011
92. ## math

hi i startted the problem below by writing a sigma notation of sigma[(2^(n+1))/((n+1)!)] QUESTION: how do i find the sum of 2+(4/2!)+(8/3!)+(16/4!)+... was my attempt wrong, or how do i go from here? thank you!

asked by kiksy on March 17, 2011
93. ## 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
94. ## maths

cutting a circle into equal sections of a small central angle to find the area of a circle by using formulae

asked by meraj on June 15, 2016
95. ## Macroeconomic

Suppose we establish a \$10,000 fine for water pollution. Would some companies still find that pollution was economical? Under what conditions?

asked by Karen on February 23, 2012
96. ## Calculus

Find the absolute maximum and minimum values of f on the given closed interval, and state where those values occur. f(x)=5x-10sinx ; [-pi/4,pi/2]

asked by Mely on July 31, 2010
97. ## Algebra

Find the domain of the function. Write in interval notation. sqrt(x^2 − 64). For the answer, I got (-infinity, -8)u(8, infinity), but that's wrong, and I'm not sure what else to try?

asked by kelly on September 12, 2015
98. ## science

The electric field in the atmosphere is about 140 N/C, downward. (b) Find the electric force on a proton with charge +1.6 10-19 C. formula please??

asked by natasha on January 30, 2008
99. ## Ellipses

Given an ellipse; 8x^2+y^2+80x-6y+193=0, find center, major axis, minor axis, & distance from c to foci?

asked by Amber on March 27, 2013
100. ## Physics

I have a to find the frequency of "30 m radio waves" that have a given velocity. My question is does the "30 m" refer to wavelength? I think it does but am wondering could it also be taken to refer to amplitude.

asked by Brigid on May 19, 2009