# 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 542
1. ## math

the perimeter of some traffic sign must be 150 inches also its length is 15 inches longer than its width, find the dimensions of this sign

asked by De'andre on January 20, 2012
2. ## Chemistry

What compound forms when one molecule of HCl and one molecule of NH3 combine? It is an ionic compound. I am not sure how to find this out. I thought is was H3O but that is not right.

asked by Hannah on January 13, 2012
3. ## MATHS

ABCD is a cyclic quadrilateral in which angle BAD=70,angle ADC=80 and angle ABD=55,AC and BD intersect at M,find angle CMD

asked by BHAGWAN on December 21, 2014
4. ## physics

A block of mass m = 5.4 kg is pulled up a = 23 incline as in the figure with a force of magnitude F = 35 N. Find the acceleration of the block if the incline is frictionless.

asked by tash on March 1, 2012
5. ## calculus

Find the equation of the line tangent to at x=1. Give your answer in y=mx+b form as an equation. If b=0, make sure you put +0 after mx. For example, even if your answer is y=3x, type in y=3x+0.

asked by brandy on October 2, 2011
6. ## 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
7. ## Maths

A rectangle field is twice as long as its width and is surrounded by a fence 180 meters long, find the length of the field

asked by Keron on December 15, 2014
8. ## Math

Given triangleABC proportion to trianglePQR. If AB=4cm, BC=6cm, AC=9cm, and QR=4cm, find the perimeter of trianglePQR. What is the ratio of similitude?

asked by Raquel on January 27, 2018
9. ## Stats

A bag contains 13 marbles; 3 blue, 2 green and 8 red. Without replacement find the following probabilities. a) P(both have the same color) b) P(different colors) c) P(G2|R1) d) P(G2 or R2) e) P(no red marbles) f) P(G2 and B2)

asked by Nichole on March 2, 2012
10. ## math

You randomly choose 28 days for your work in March. Find the probability that you are o work on 8th and 16th and 24th March.

asked by dayyann on May 3, 2013
11. ## math

A double recipe of cookies calls for 5 cups of flour. Which of the following proportions could be used to find the amount of flour for a triple recipe? 5/2= f/3 2/5=f/3 2/3 = f/5 3/2=5/f

asked by Daniel on May 19, 2011
12. ## Algebra

I can't get this slope stuff. I'm trying to find the equation for a line. It has a slope of 1/2 and passes through (8,3). Using the equation y=mx+b, I know that it should be y=1/2x+b so y=1/2(8)+b. Now, I don't know what to do. Is the 3 in the b or y spot?

asked by Ty on May 14, 2008
13. ## Physics

The weight of an object is the same on two different planets. The mass of planet A is sixty percent that of planet B. Find the ratio of the radii of the two planets, rA/rB

14. ## physics

A power transmission line is made of copper that is 1.8 cm in diameter. If the resistivity of copper is 1.725 10-8 Ω · m, find the resistance of 7 mi of the line.

asked by Joe on July 7, 2016
15. ## Physics

The weight of an object is the same on two different planets. The mass of planet A is only sixty percent that of planet B. Find the ratio of the radii of the planets.

asked by Briana on September 20, 2013
16. ## Maths

The sum of two numbers is 21 .two-thirds of one number is added to three-quarters of the other number to give 15 .find the two numbers,showing clearly your workings.

asked by Anita on January 6, 2016
17. ## physics

A car with an initial speed of 23.5 km/h accelerates at a uniform rate of 0.98 m/s2 for 4.0 s. Find the ﬁnal speed of the car. Answer in units of m/s

asked by Anonymous on September 20, 2013
18. ## Math Statistics

A bag contains 13 marbles; 3 blue, 2 green and 8 red. Without replacement find the following probabilities. a) P(both have the same color) b) P(different colors) c) P(G2|R1) d) P(G2 or R2) e) P(no red marbles) f) P(G2 and B2)

asked by Nichole on March 2, 2012
19. ## geometry

Line segment AB has a midpoint C Help? If AC=17 and AB = 5x-6, then find the value of x A. 34 B.8 C. 23/5 D. 20 Answer: D 2. Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ?

asked by Victoria on January 9, 2013
20. ## CHEMISTRY

AMMONIA GAS OCCUPIES A VOLUME OF 5.00 L AT 4DEGREES C AT 760 TORR. FIND ITS VOLUME AT77DEGREES C AND 800 TORR

asked by CHEM CHEM on July 7, 2010
21. ## physics

a clock has its second hand 2 cm long. find the average speed and modulus of average velocity of the tip of the second hand in 15 seconds

asked by lavanya on July 24, 2011
22. ## 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
23. ## statistics

it has been reported that 40% of all internet users have been attacked by viruses. If 20 people are randomly surveyed, find the following probabilities: a. At least 3 have been attacked b. No more than 5 have been attacked c. less than 15 have been

asked by Jane on March 16, 2012
24. ## 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
25. ## black history

I have been searching for days my son is in the pre k and has to do a report on Jackie Johnson. I cant find anything other than some news reporter can someone help me WHO IS JACKIE JOHNSON?

asked by Anonymous on January 12, 2012
26. ## math

15th October 2007 is on Monday.Which day is on 15th October 2008?Find in the form of arithmetic progression.

asked by Nash on June 21, 2010
27. ## MATH

THE PARALLEL CHORD OFA CIRCLE ARE OF LENGTH 6CM,RADIUS OF THE CIRCLE IS 5CM FIND THE DISTANCEBETWEEN THE CHORD

asked by PROMISE on June 5, 2016
28. ## General Science

Would you expect to find more dissolved oxygen in ocean water around the North Pole or in ocean water nearer the equator?Why?

asked by Jen on February 19, 2008
29. ## Maths

A 3.8 m ladder making a 65° angle with the ground rests against a vertical wall. Find the distance of the foot of the ladder from the wall.

asked by IBM on August 9, 2016
30. ## Calculus

It took 1800 J of work to stretch a spring from its natural length of 2m to a length of 5m. Find the spring's force constant. Please help. Thanks in advance.

asked by JEUCD 37 on March 8, 2012
31. ## Geometry

in the diagram below of Circle of chord AB bisects chord CD at E. If AE equals 8 and BE equals 9 find the length of CD in simplest radical form

asked by Anushka on January 24, 2016
32. ## pre calc

Find all solutions of the equation 3sin^2 x -7sin x +2 = 0 in the interval [0,2pi). The answer is x_1= ?? and x_2= ?? with x_1

asked by james on April 14, 2013
33. ## Statistics

find the 90% confidence interval for the variance and standard deviation of a sample of 16 and a standard deviation of 2.1 Assume the variable is normally distributed.

asked by Anon on October 24, 2010

A right circular cone has a volume of 140 in^3. The height of the cone is the same length as the diameter of the base. Find the radius and height.

asked by Barb on February 17, 2013
35. ## 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
36. ## maths-urgently needed(probability)

A bag contains 5 red, 4 blue and an unknown number of m green balls. Two balls are drawn. If probability of both being green is 1/7 find m.

asked by Anonymous on February 18, 2013
37. ## algebra

Find an equation of the line containing the give pair of points. (-2, -1), and (-7, -4). The equation of the line in slope - intercept form is y= I 've tried this problem and can not seem to get could please help me.

asked by Johnnie on March 16, 2009
38. ## math

Room temperature ranges from 20^C to 25^C. Find the range of the room temperature in ^F. Use the formula F-32=1.8C to convert from the Celsius to the fahrenheit. (just need to know how to set this up)

asked by Anonymous on January 8, 2014
39. ## chem

The Ksp of PbI2 is 8.7x10^-9. Find the solubility of lead(II) iodide on mol/L. a. 1.3x10^-3 b. 9.3x10^-9 c. 6.6x10^-5 d. 1.6x10^-3

asked by dude on January 4, 2010
40. ## math

A Pythagorean triple is an ordered triple of positive integers(a,b,c) such that a^2+B^2=c^2.Find the number of the Pythagorean triples such that all the numbers a,b and c are prime?

asked by Pythagoras's triple on October 10, 2013
41. ## geometry

a point moves so that its distance from the origin is twice its distance from the point (3,0) show that the locus is a circle and find its centre and radius

asked by tundr on January 18, 2017
42. ## Algebra

There are 5 quadratics below. Four of them have two distinct roots each. The other has only one distinct root; find the value of that root. 4x^2+16x-9 2x^2+80x+400 x^2-6x-9 4x^2-12x+9 -x^2+14x+49

asked by Juliet on February 7, 2015
43. ## algebra based physics

A proton is held at a fixed position. An electron is placed 0.85m away and released. Find the electron's speed when it's 9.0mm from the proton.

asked by jrfannin on February 10, 2014
44. ## Ap calc

A particle moves on the x axis so that it's position at any time t is greater than or equal to 0 is given by x(t)=2te^-t. A) find velocity for any t is greater or equal to 0

asked by Jacob on December 19, 2011
45. ## AP Chemistry

What are the two half-reactions for the basic oxidized-reduction reaction Fe(OH)2+ H2O2 --> Fe(OH)3? If I can find out the two half-reactions, I'll be able to balance the equation myself. Thanks!

asked by Sara on September 11, 2010
46. ## maths

A ladder, leaning against a wall, makes an angel 60¡ã with the horizontal. If the foot of the ladderis 2.5 m away from the wall, find the length of the ladder

asked by Ayush Gupta on June 2, 2016
47. ## Math

Meda invested \$1,000 into a particular stock. In four months, her stock was worth \$3,000. Find the percent of increase in her investment.

asked by Mary on October 7, 2013
48. ## Maths

Please help me. P and Q are two gun placements 1250m apart. T is a target. The angles TPQ and TQP are 73 degree 24' and 68 degree 5' respectively. Find the distance P to the target T.

asked by Shane on April 15, 2013
49. ## 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
50. ## maths

Ram divided a sum of Rs.3873 among his three sons. His youngest son got 35% less than his oldest son who got 35% more than his second son. Find the share of his second son

asked by kumar on July 14, 2017
51. ## Bio

How do Schwann Cells initiate Myelination and is Myelination only initiated by these cells. Does anyone have any websites where i can find this information. I am confused on how it initiates it.

asked by Rebekah on April 15, 2013
52. ## Calculus Quiz Today

1. find the values of s for which each function is continous: f(x) = [ x if x less than or equal to 1] [2x-1 if x greater than 1] 2. determine all values of x at which the function is discontinuous: f(x) = (x^2-2x)/(x^2-3x+2) Could someone please tell me

asked by Jamie on February 8, 2011
53. ## electrical engineering

Input range: -100mV to +60mV Voltage supplies to the op-amp= ±15V how do we find the input offset voltage?

asked by eng on February 3, 2012
54. ## 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
55. ## Physics

A +2 uC and a +10 uC are 3cm apart a) Find the electrostatic force between the charges b) If the charges are brought together and touched, what would be the charge on each one? c) These spheres are then moved 3 cm apart. What would be the force between

asked by Betty on January 26, 2013
56. ## Mathematics

using the compound interest formula find the principal that will yield a compound interest of n\$410 in 2 years at therate of 5 % per annum

asked by Toni on April 15, 2013
57. ## math

The sides of a parallelogram are 15 ft and 17 ft. One angle is 40° while another angle is 140°. Find the lengths of the diagonals of the parallelogram (to the nearest tenth of a foot)

asked by ana on March 31, 2010
58. ## Geometry

Two spheres of copper, of radii is 1centimeter and 2centimeter respectively, are melted into a cylinder of radius 1centimeter. Find the altitude of the cylinder.

asked by Anonymous on September 11, 2016
59. ## Trigonometry

Since the radius of the wheel is 7 feet, point P goes 7 feet above and below the center of the wheel. From this information, you can find the amplitude. Write the value of this constant.

asked by Jessica on June 21, 2012

An airplane has an air speed of 112m/s [N 20 degrees W] and has a ground speed of 106 m/s [N 25 degrees W]. Find the velocity of the wind.

asked by Ella on September 28, 2014
61. ## physics

An airplane has an air speed of 112m/s [N 20 degrees W] and has a ground speed of 106 m/s [N 25 degrees W]. Find the velocity of the wind.

asked by Ella on September 28, 2014
62. ## Maths

If alpha&beta are the zeros of the cubic polinomial kx square-5x+k. If alphacub+beta cube +gama cube is 27.find the value of.k.?

asked by Navaneeth on June 2, 2016
63. ## vocabulary

I need to find a six letter word made from the letters in the word favorite. There can be no repetition of the letters. FAITOR TAIVER VIATOR

asked by Mary on October 24, 2006
64. ## math

find the vertex,focus and equation of the direction of y=-1/16(x-6)^2+3 Y=1/2p(x-h)^2+k p=8 h=6 k=3 so I now got (6,3) when doing it over again. I now got so vertex is (6,3), focus is (6,7) and directrix = y=-1 Is these corrections now right? Thank you for

asked by sara on October 21, 2018
65. ## math

Check ..... 1. Find 10% of \$500 and 10% of \$300.Since 6% is a little more than half of 10%, what is half of 10% of 500? Add this with 10% of 30, since 8% is close to 10%. Does you answer make sense ?

asked by Thomas on January 6, 2014
66. ## Math

Gopal pours 4/9 of milk from a jug equally into 4 cups .find the amount of milk ,in litres , (a) in each cup. (b)in 3 cups.

asked by Tabassum sultana on January 24, 2019
67. ## pre calculus

Find all of the solutions of the equation x4-625i=0 and represent the solutions graphically. what is the next step to answer the question? (x^2-25√i)(x^2+25√i) (x-5∜i)(x+5∜i)(x-5∜i i)(x+5∜i i) i = 1 cis π/2 ∜i = ∜1 cis π/8

asked by Anonymous on November 27, 2016
68. ## Math

Gopal pours 4/9 of milk from a jug equally into 4 cups.find the amount of milk ,in litres, (a)in each cup. (b)in 3 cups

asked by Tabassum sultana on January 24, 2019
69. ## physics

A body is thrown up with the velocity of 20 metre per second . It retards uniformly at the rate of 10 metre per second square. Find the velocity after 2 seconds?

asked by ..... on June 20, 2017
70. ## physics

two forces whose magnitude are in the ratio 3:5 give a resultant equal to 35 newton if the angle between them is 60 degrees find the magnitude if the resultant

asked by manish roy on July 13, 2011
71. ## Pre-Cal

Find all Real solutions of the Equation: (ENter as comma sparated answers, if there are no real solutions then just leave as NRS) x^(4/3)-9x^(2/3)+14=0 x=?

asked by Dom on May 25, 2016
72. ## Algebra

One skier covered the distance of 20 km 20 minutes faster than the other skier. Find the speed of both skiers if one of them is travelling 2 km/hour faster than the other one.

asked by Anish Panda on March 5, 2016
73. ## algebra

the length of a pool is 30 meters greater than the width. if the area is 1000 square meters, find the dimensions of the pool.

asked by mike on December 7, 2010
74. ## PHYSICS

The weight of an object is the same on two different planets. The mass of planet A is only thirty-five percent that of planet B. Find the ratio rA/rB of the radii of the planets.

asked by Steven on September 20, 2014

Given cos x = -3/5 , sin y =12/13 and 0º< x

asked by cianhuan on June 24, 2011
76. ## Geometry

The lengths of the sides of quadrilateral PQRS are PQ=x^2, QR=20-x, RS=x^2-4, PS=1-4x. Find a value of x that will make PQRS a kite (two pairs of congruent consecutive sides).

asked by Victoria on December 2, 2012
77. ## math

if alpha and beta are 2 different values of θ lying between 0 and 2π which satisfy the equation 6cosθ+8 sinθ=9 find the value of sin alpha + beta ...

78. ## college math

find the integral of x^2 e^-xdx with the limits of negative infinity to zero. so far, I have, lim as t approaches negative infinity of (-e^-x [x(x+2) + 2] from 0 to t does this converge or diverge?

asked by Laura on March 9, 2009
79. ## Education

what is a good website which provides educational games to play and learn. I am trying to find some neat educational games for my little brothers. plese help:-)

asked by Elina on June 16, 2009
80. ## calculus

Find an equation of the tangent(s) to the curve at a given point. Then graph the curve and the tangent(s). x = 6sin(t), y = t^2 + t; (0,0) How do I do this without the value of t? I don't see a way to eliminate the parameter.

asked by Daniel on December 16, 2011
81. ## Science

A small toy car moves around a circular track onces in every 8s. The radius of track is 3m. Find the speed of car.

asked by Rohan on June 16, 2017
82. ## Physics

Find the unit vector parallel to the vector : C=12i+24j-8k. A.9/7i+5/7j+1/7k B.3/7i+6/7j-2/7k. I think B is correct. Please tell me correct option and method of finding.

asked by ABC on June 14, 2017
83. ## physics

The weight of an object is the same on two different planets. The mass of planet A is only fifteen percent that of planet B. Find rA/rB, which is the ratio of the radii of the planets.

asked by megan on November 7, 2010
84. ## Math

Two numbers are in the ratio of 3 to 4. If the smaller number is increased by 10 and the bigger number is decreased by 10, the results are equal. Find the numbers?

asked by Anonymous on March 5, 2016
85. ## MATH

If 20% of population have blue eyes, and 5 people are selected at random, what is the probability that at least 4 of them have blue eyes? HOW DO I FIND THE SOLUTION TO THIS PROBLEM?

asked by STEPHANIE on March 25, 2011
86. ## math

1. find the values of s for which each function is continous: f(x) = [ x if x less than or equal to 1] [2x-1 if x greater than 1] 2. determine all values of x at which the function is discontinuous: f(x) = (x^2-2x)/(x^2-3x+2) Could someone please tell me

asked by Anonymous on February 8, 2011
87. ## math 115

1. determine whether the pair of fractions is proportional 4/6=8/12 yes, is this correct/ 2. find the unit price for the item.\$54.70 for 5 shirts \$10.94 unit. is this correct?

asked by Lea on September 5, 2009
88. ## math

a rectangular block has a square base of area 49cm square its height is 10 cm find its total surface area

89. ## physics/electrical circuits

a wire has a resistance of 1 ohm if the length is increased four times and the area is double the original, find the new resistance of the wire.

asked by dumon on March 3, 2018
90. ## math

find the ratio of the length of the blue rectangle, to the length of the green rectangle, repeat this for width, perimeter and area

asked by Anonymous on January 18, 2017
91. ## algebra

the perimeter of a rectangular field is 172 meters. double the width is 4 meters more than the length. find the area of the field.

asked by erika on February 4, 2012
92. ## Math

Let (7,-3) be a point on the terminal side of theta. Find the exact values of sin of theta, csc of theta and cot of theta?

asked by Justin on November 29, 2016
93. ## Stats

You take and SRS of size 25 from a population with mean 200 and standard deviation of 10. Find the mean and the standard deviation of the sampling distribution of your sample mean.

asked by Ryan on July 14, 2011
94. ## math

michael rides his bike 2 3/5 as long as jacob. find micheal's riding times if jacob rides for 45 minutes

asked by kamleen on July 28, 2010
95. ## maths

four cubes of volume 125cm3 are joined end to end .find the volume and surface area of the resulting cuboid

asked by simranpreet on December 3, 2012
96. ## Calculus

Determine if function is even, odd, or neither... f(x) = secx tanx I understand how to find if its even or odd, but the sec and tan, I don't understand. Can someone help?

asked by MW on September 6, 2009
97. ## science

A car covers 30 km at a uniform speed of 60km/h & next 30km at a uniform speed of 10km/h find the total time taken

asked by ft jcch on June 12, 2016
98. ## Math

The volume of a sphere is increasing at the rate of 5 cm.cm.per second .Find the rate of increase of the radious and surface area when the radious is 6cm.

asked by Manu on January 22, 2017
99. ## Maths

Convert the complex no. In polar form : 1-i rcosΘ =1 rsinΘ=-1 r=√a2+b2 r=√(1)2+(-1)2 r=√2 TanΘ=b/a =1/-1 =-1 After all this what i have to do to find out value of Θ? Please help me.. For polar form, =r(cosΘ+isinΘ)

asked by Ash on June 20, 2017
100. ## physics

Two charges of -5 x 10(power -6) C and 3 x 10(power -6) C are placed at distance of 200mm from each other , find point on the line joining the charges at which electric field is zero.

asked by paula on March 10, 2010