# 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 719
1. ## algebra

The numerator of a fraction is 7 less than the denominator if three is added to the numerator and 9 is subtracted from the denominator the new fraction is equal to 3/2. Find the original fraction.

asked by steph on September 27, 2012
2. ## Math

A pear contains 30 calories more than an apple. Ten apples have as many calories as seven pears. Find the number of calories in an apple and in a pear.

asked by Bennett on January 10, 2011
3. ## math

the length of a rectangle is 3 yds more than twice it width and the area of the rectangle is 77yds find the dimensions of the rectangle the length and width

asked by carmen on February 22, 2013
4. ## maths

The numerator of a fraction is two less than its denominator. When both numerator and denominator are increased by 3, the fraction is incre  ased by 3/20. Find the original fraction.

asked by Mushaf on January 30, 2018
5. ## algebra

a motorboat travels 22 mph with the current and 8 mph against the current. Find the speed of the boat in still water and the speed of the current.

asked by kia on June 19, 2013
6. ## Math

The length of a rectangle is 1 meter more than 5 times it's width. The perimeter of the rectangle is 98 meters. Find the length and width of the rectangle.

asked by Miah on October 29, 2013
7. ## physics/electrical circuits

five resistors each has a resistance R ohms and are connected in parallel. if the equivalent resistance is 20 ohms. find the ohmic resistance of each resistors.

asked by dumon on March 3, 2018
8. ## Calculus

Suppose f(x) and g(x) are functions of x differentiable at x = 4. Given that f(4) = 3, f'(4) = -2, g(4) = 6, g'(4) = -4, find the value of each of the following. a. Derivative of f(x) * g(x) My answer: -27 b. Derivative of (f(x))/(g(x)) My answer: 1/12 c.

asked by Anonymous on October 15, 2016
9. ## physics

The pressure of water on the ground floor is 40,000 Pascal, and at the first floor is 10,000 pascal. Find the height of the first floor.

asked by Manilyn on October 22, 2016
10. ## algebra

The equations are 6.5x + 8.3y + 7.1 = 0 and -7.2x + 3.4y - 6.6 = 0. Find the slope and x and y intercepts of each equation. For the first equation I got the x intercept as -10.92 and y intercept as -8.55 but I can't figure out the slope. For the second one

asked by robbie on September 23, 2010
11. ## Maths

6 lollies plus 3 ice creams cost £8.52. 3 ice creams plus 6 drinks cost £9.24. Find out individual cost of each item

asked by Shahana on December 18, 2010
12. ## college algebra

Mitsuko salary for next year is \$44490. This represents a 7% increase over this year's salary. Find mitsuko present salary.

asked by Chenita on March 3, 2014
13. ## Math

The measure of two complementary angles are 6y+3 and 4y-13. Find the measures of the angles. ( In this question, are they saying 2 different complementary angle? or two angle that make up a complementary? )

asked by Shadow on December 31, 2010
14. ## math

at 2 p.m., the level of the water in the pool was 10 feet. at 6 p.m., the level of water was 2 feet. find the constant rate of change in the water.

asked by macail on March 6, 2012
15. ## math

the width in cm of a rectangle is the same as the slope of the line 5x-6y=-14, and its length in cm is the same as the slope of the line that is perpendicular to the line 9x+4y=87. Find the perimeter of the rectangle.

asked by daniel on November 17, 2012
16. ## calculus

Find the point on the curve y=x^(1/2) that is a minimum distance from the point (4,0). My book says you use the distance formula. Then you let L = D^2 because the minimum value of D^2 will occur at the same value of x as the minimum value of D. What is L,

asked by kyle on January 16, 2011
17. ## Calculus - Integration

I ran across this one the other day. See what you can make of it. Find the integral of ecosxsinx - (sinx+cosx)esinx+cosx ----------------------------------------- esin2x-2esinx+1

asked by oobleck on May 22, 2019
18. ## Math

David is three years older than John.In 8years time, John age will be 7/8 of David's age.find their age.

asked by PHOSUDO on October 25, 2015
19. ## Calculus

Find an equation for the tangent line of the function y=x+(4/x) at the point (2, 4). The equation of the tangent line is . You may enter the equation in any form.

asked by Robin on June 12, 2013
20. ## MATH

a purse contains \$1.35 in quarters nickels and dimes There are 3 times as many dimes as quarters and 3 more nickels than quarters. find the number of each coin

asked by JAYLA on May 3, 2013
21. ## Physics

Vector A has a magnitude of 48 cm and is directed toward the East. Vector B has a magnitude of 21 cm and is directed toward the West. Find the resultant vector with direction. Help please!!!!

asked by Manuel on September 7, 2009
22. ## Math

Solve the integral from [0,pi] of x*sinx*cosx*dx I don't understand how to solve this problem because if I let u =x and du =1 and dv=sinx*cosx, I can't find v. How do you solve this?

asked by Dave on September 29, 2017
23. ## MATH

A TRIANGLE IS INSCRIBED IN A CIRCLE SUCH THAT ONE OF ITS SIDES IS A DIAMETER OF THE CIRCLE.IF THE RADIUS OF THE CIRCLE IS 30.5 CM AND ONE OF THE SIDES IS 60 CM, FIND THE AREA OF THE TRIANGLE?

asked by ROSIEFE on August 21, 2012
24. ## chemistry

if heat of dissolution dissolution of NaCl=1700K.J/mole find heat of dissolution 11.7gm of NaCl in water

asked by habiba on April 8, 2012
25. ## Calculus

Suppose f(x) and g(x) are functions of x differentiable at x = 4. Given that f(4) = 3, f'(4) = -2, g(4) = 6, g'(4) = -5, find the value of each of the following. a. Derivative of f(x) * g(x) My answer: -27 b. Derivative of (f(x))/(g(x)) My answer: 1/12 c.

asked by Anonymous on October 16, 2016
26. ## Math

Approximately 1 in every 10 people is left handed. How many left handed people would you expect to find in a group of 430 people?

asked by Amy on August 10, 2016
27. ## Calculus

Two forces of equal magnitude act to 60 degrees. If their resultant has a magnitude of 30N, find the magnitude of the equal forces.

asked by Ed on February 11, 2012
28. ## math

suppose a single die is rolled find: a) P(6, given that an odd number is rolled) b) P(5, given that ann odd number is rolled) is a) 0 and b) 1/6

asked by austin on November 1, 2008
29. ## math

six cards are numbered 1 1 6 7 11 and 12 cards are chosen without replacement until a card number 1 is chosen. find the probability that this happens before the third card is chosen

asked by Shruti on March 22, 2015
30. ## math

sum of two numbers is 40. the difference of 5 times the larger and 4 times the smaller exceeds 7 times the smaller by 8. Find the numbers

asked by jason on February 24, 2016
31. ## Exploring mathematics elementary algebra

The tens digit of a two-digit number is 3 less than the units digits. The number is four times the sum of the digits. find the number.

asked by Joe Mhar Plaza on January 6, 2011
32. ## Math

A man runs to a telephone and back in 15 minutes. His speed on the way to telephone is 15 m/s and his speed on the way back is 4m/s. Find the distance to the telephone.

asked by Adriana on August 29, 2011
33. ## maths

An equilateral triangle is inscribed in parabola y^2=4axsuch that the vertex of the triangle is at vertex of parabola find area of triangle

asked by ash on April 16, 2016
34. ## math

the sum of two different numbers is 40 . if the smaller number is divided by 4 and the larger number by 12 the sum of the quotients is 6.find the larger number

asked by ruth on September 1, 2018
35. ## geometry

Here is an equation for a sphere: (x-18)^2+(y-5)^2+(z+11)^2=36 give the coordinates of two points on the sphere. I know how to find coordinates on a circle using the equation (x-h)^2+(y-k)^2=r^2 but I can't figure out how t do it with a sphere.

asked by SoccerStar on March 29, 2012
36. ## Math Help

Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one boy.

asked by Bobbie on November 19, 2016
37. ## math

a daisy is 24 inches tall . the height of a sunflower 3 1/2 times the height of the daisy.find the height of the sunflower umm 20

asked by kamleen on July 28, 2010
38. ## pre-algebra

Nineteen members, or 38 members of the ski club are going on a ski trip. find the total number of members in the club.

asked by Token on November 19, 2009
39. ## math

three sisters shared some mangos in the ratio 5 : 3 : 2. if the one with smallest ratio received 25 mangos , find the number of mangos shared

asked by Anonymous on November 4, 2017
40. ## 9th grade

Given Circle D, find the length of segment DB if the measure of segment DE = 25 units and the measure of segment BC = 24 units. Explain your solution.

asked by john on April 22, 2010
41. ## physics

Find the ratio of the electrostatic to gravitational force between two electrons. 4.16×1042 What is this ratio for two protons? (Why is the ratio different for electrons and protons?)

asked by Joe on August 22, 2014
42. ## math (trig)

if cos 2 theta = -(1/3) and theta is in Quadrant 2, find sin theta, cos theta, tan theta, and draw triangle theta

asked by Jeff on January 20, 2011
43. ## calculususe the rational zeros theorem to list the

use the rational zeros theorem to list the potential rational zeros of the potential function. Do not attempt to find the zeros. f(x)=2x^5-x^3+8x^2+52

asked by Brock on December 27, 2012
44. ## Math

Find the least positive integer that leaves the remainder 3 when divided by 7, remainder 4 when divided by 9, and remainder 8 when divided by 11. Using the Chinese Remainder Theorem.

asked by Shaakira on August 1, 2012
45. ## physics

a 2.0 kg particle is given a displacement (delta)r= 2.0i+3.0j (m). During this displacement, a constant force, F=2.0i-5j (N) acts at the particle. find the work done by the force for this displacement.

asked by unknown on June 13, 2011
46. ## Algebra

Mike’s father is twice as old as he is. Seven years ago, the father was 7 years less than thrice as old as Mike was. Find Mike’s present age.

asked by Bebang Biskobengboom on January 21, 2014
47. ## 12th

an electron above the earth is balanced by the gravitational force and the electric field of the earth. find the electric field of the earth.

asked by priya on April 27, 2013
48. ## math

A two digit number is such that, the sum of its digits is 13. When the digits are interchanged, the original number is increased by 9. Find the original number.

asked by kd on April 27, 2019
49. ## Math

Three sisters shared some mangoes in the ratio of 5:3:2.if one with the smallest ratio received 25 mangoes, find the number of mangoes shared?

asked by OLUMIDE on May 19, 2018
50. ## Math

Triangle DEF with vertices D(2,5),E(1,-6), and F(-5,3) is translated 3 units right and 2 units down. Find the coordinates of D'E'F'. I added the x coordinates by 3 and added the y coordinates by -2 and got: D(5,3),E(4,-8),F(-2,1)

asked by Jon on February 26, 2008
51. ## Maths

The denominator of a fraction is5 more than the numerator. If the numerator is increased by 18 and the denominator is decreased by 4, the fraction becomes25/8. Find the fraction.

asked by Kavi on November 12, 2017
52. ## Algebra

Mike’s father is twice as old as he is. Seven years ago, the father was 7 years less than thrice as old as Mike was. Find Mike’s present age.

asked by Beth on January 21, 2014
53. ## Algebra

The units digit of a two digit number is 1 more than twice the tens digit. If the digits are reversed, the new number is 36 more than the original number. Find the number. Please help!!

asked by Logan on February 14, 2009
54. ## math

the numerator of a fraction is 3 less than the denominator. if 4 us added to the numerator and to the denominator, the resulting fraction is equivalent to 3/4. find the original fraction

asked by mm on September 23, 2016
55. ## MS. SUE - MATH HELP PLEASE

The sum of five times a number and twice a second number is 18, but the difference of three times the first number and seven times the second number is -22. Find the two numbers using the elimination method.

asked by Katalina on January 16, 2014
56. ## Derivatives- Math

Can someone explain how to find the derivative of : 1. y= 5^ãx / x And the second derivative of: y= xe^10x For this question I got up to the first derivative and got this y = e^10x + 10xe^10x but I can't seem to get the correct answer for the second

asked by Mae on April 19, 2010
57. ## geometry

find the length of ab & bc of a triangle abc having given the length of ac = 28inch, angle abc = 90, angle bac =30,, angle acb = 60

asked by Anonymous on January 4, 2012
58. ## math

town Q is on a bearing 210Â°from town P. R is on a bearing 150Â° from town P and R is east of Q. The distance between R and P is 10km. Find the distance between R and Q.

asked by Anonymous on July 7, 2018
59. ## algebra 1

Thelma wants to find the equation of a line that passes through the point (2, 2) and is perpendicular to the line Which equation best represents Thelma's equation?

asked by shay on April 29, 2013
60. ## physics

Three cities X,Y, and Z are connected by straight highways. City X is 6 km from city Y, city Y is 4 km from city Z, and city X is 5 km from city Z. Find the angle made by the highways XY and YZ?

asked by Gigz on June 14, 2017
61. ## chemistry

How many hydrogen atoms are present in 1.02 mg of aspartame? I already got that there are 2.08e18 molecules of aspartame in 1.02mg of aspartame but i am not sure how to find how many atoms of hydrogen there are

asked by rebekah on September 29, 2012
62. ## Algebra

The width of a rectangle is three fourths of the length. The perimeter of the rectangle becomes 50 cm when the legth and the width are each increased by two cm. Find the length and the width

asked by Anonymous on June 6, 2012
63. ## math

a picture 8 in. by 12 in. is placed in a frame which has uniform width. if the area of the frame equals the area of the picture, find the dimension of the frame

asked by joei on October 6, 2013
64. ## Calculus (Im I Doing This Right???? Im Unsure)

From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x. f(x)=2x^2−6x at x = 3 f(x)=2x^2-6x f(x+h)= 2(x+h)^2-6(x+h) =2x^2+4xh+2h^2-6x-6h lim h-->0 f(x+h)-f(x)/h =2x^2+4xh+2h^2-6x-6h -

asked by Marc on April 16, 2016
65. ## maths

If 6men can do a piece of work in 20 days and one man can do a work of 2 boys.Find how many days can 10 men and 5 boys do the same work ?

asked by kumar on January 9, 2018
66. ## Chemistry

I'm trying to calculate the enthalpy of the reaction Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2 (g) however I cannot find the enthalpy of the compound MgCl2 (aq) and I cannot calculate the total enthalpy without it

asked by Kirstie on March 27, 2011
67. ## plss answer fast math algebra

the ratio of the measure of the complementsof two angle is3:4while the ratio of the measure of their supplements is 9:10 find the measure of each angle.

asked by rhodora on October 11, 2013
68. ## Science

If I want to do an experiment to find which route to class is faster (route 1 or route 2), what would be my control group and what would be my treatment group in the experiment?

asked by Lori on January 29, 2018
69. ## math 116

find an equivalent equation with the given denominator 7/b= ?/b squared the expression that is equivalent to 7/b is ? if b is squared wouldn't the 7 also have to be squared to be equivalent? 7/b = 49/b squared? Am I correct? Thanks

asked by Amie on November 20, 2009
70. ## Math

A force of magnitude 15 N is the resultant of two forces, one of which has a magnitude of 8 N and acts at an angle of 30° to the resultant. Find the magnitude and direction of the other force.

asked by Joe on December 6, 2018
71. ## geometry

If the height of a triangle is one inch more than twice its base, and if the area of the same triangle is 20 square inches, find the base and height of the triangle.

asked by Lisa on October 3, 2011
72. ## algebra

Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 4/x-y , 5/2y-2x

asked by Joe on July 13, 2009
73. ## math

A number is chosen from the first 24 positive integers. Find the probability that: a) the number is divisible by 3 given that it is divisible by 4 b) the number is divisible by 6 given that it is divisible by 3 Just need help with either one, thank you for

asked by Anonymous on August 2, 2018
74. ## physics

Two charges of magnitude +2×10^–6 C each are 60cm apart. find the magnitude of the force exerted by these charges on a third charge of magnitude +4×10^-4C that is 50cm away from each of the charge.

asked by jay on June 10, 2016
75. ## algebra 1

find the slop-intercept equation of the line that has the given characteristics. Slope 6 amd y-intercept (0,7) The slope-intercept equation is y=?

asked by Need Help on September 23, 2009
76. ## 9th algebra

the sum of the digits of a two place fraction is 9. When its digits are reversed, the new fraction exceeds the original by 0.09. Find the original fraction.

asked by Summer on November 10, 2013
77. ## physics

A 2-C and a 4-C charge attract each other with a 10-N froce when placed a certain distance apart. With how much force will a 2-C charge and an 8-C charge attract each other when placed the same distance apart? ** I know the answer, but can't find out how

asked by Jen on July 27, 2010
78. ## Math

I have a problem find the number in a open number line , my multiplication is 28x6 =168 how can I do this in a open number line ?

asked by AnnaChavez on August 30, 2015
79. ## statistics

A lottery offers one \$10000 prize, one \$5000 prize and five \$1000 prizes. 1000 tickets are sold at \$30 each . Find the expectation if a person buys one ticket workings: 9970/1000+4970/1000+4850/1000-29790/1000 = -10000/1000 =-\$10

asked by Anonymous on July 26, 2015
80. ## Calc Help

demand = (p+1)sqroot(q+1)=1000. Find elasticity of demand at a price of \$39 per unit. I am really struggling with this problem is there anyone that can help me? i am not familiar with the terminology, but if you are trying to solve for p, it is not that

asked by Rob on April 29, 2007
81. ## chem

Consider the equation A in a 1L container. At 7.57C, the molar concentrations of A and B are 7.228M and 1.976 (respectively). Suddenly, 1.831 moles of A are added to the system. What is the change in deltaG of the system (Answer in kJ) At first, I thought

asked by Marisol on April 1, 2007
82. ## algebra

2. Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was \$1.26, and in January 2006, the price of regular unleaded gasoline was \$2.31 (“Consumer price index,” 2006). Use the coordinates (1997,

asked by Bubba on August 3, 2010
83. ## English & composition

We had to find rhetorical devices in this speech from a movie Lean On Me: I spotted personification, rhetorical question, and anaphora only. **Our teacher gave us a list of rhetorical devices that we could find but I can't find: ethos, pathos, logos,

asked by Emma on December 2, 2015
84. ## Math/Algebra

Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x- and y-intercepts.

asked by L on December 2, 2009
85. ## Math-due today, need a check

Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x- and y-intercepts.

asked by Lisa on December 2, 2009
86. ## math

Sam and markus are standing on level ground 100m apart. A large tree is due north of markus and on a bearing of 65degrees from sam. The top of the tree appears at an angle of elevation of 25degrees to sam and 15degrees to markus. Find the height of the

asked by putri on November 12, 2010
87. ## none

What is the busiest airport in the world? The "world" fights over the title of "World's Busiest Airport." Go to www.google.com and type in busiest airport. You will find many sites to read about. Atlanta, Chicago, and others are listed. Take your pick. i

asked by Harley on September 8, 2006
88. ## Math

Hello, I'm supposed to do the following questions for the equation y=cos(pi/3)x for intervals [0,6] a) For what values of x does the instantaneous rate of change appear to equal 0? b) For what value(s) of x does the instantaneous rate of change appear to

asked by Anne on August 24, 2016
89. ## English

Could someone read this paper for me and tell me if it is ok? It is the first time that I had to cite APA style and I wasn't really taught how to. I'm really not feeling confident about turning this in. Thanks Almost everyone lies, from a little white lie,

asked by Emily on March 31, 2008
90. ## Science

To find the current in a complex circuit, it is necessary to know the potential difference in each device in the circuit. current in each device in the circuit. equivalent resistance of the circuit. number of branches in the circuit. C

asked by Anonymous on January 15, 2012
91. ## Science

To find the current in a complex circuit, it is necessary to know the potential difference in each device in the circuit. current in each device in the circuit. equivalent resistance of the circuit. number of branches in the circuit. B

asked by Anonymous on January 15, 2012
92. ## Math

A 14 inch board is to be cut into 3 pieces so that the second piece is twice as long as the first piece and the third piece is 4 times as long as the first piece. If x represents the length of the first piece find the lengths of all three pieces

asked by Anonymous on September 18, 2016
93. ## math help

At the first tri-city meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from town B.

asked by Janet on December 5, 2009
94. ## math

Ben has 295 cents worth of nickels and 67 cents worth of pennies. Which equation can be used to find T,the total number of coins he has? A.T=295+67 B.T=(295+67)/5 C.T=(295/5)+67 D.T=295-5+67 B?

asked by ♫♫Colton♫♫ on May 21, 2012
95. ## Math

At the first tri-city meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from town B.

asked by Becca on October 29, 2009
96. ## math

find all solutions on 0 is greater than or equal to theta < 2pi cos theta= 2sqrt3/3 4-1/2sin theta= (-16+sqrt3)/4 3(sqrt3)= -3cot theta -2=-1-2sin theta

asked by bob on December 8, 2011
97. ## pre calc

find all solutions on 0 is greater than or equal to theta < 2pi cos theta= 2sqrt3/3 4-1/2sin theta= (-16+sqrt3)/4 3(sqrt3)= -3cot theta -2=-1-2sin theta

asked by satan666 on December 8, 2011
98. ## math

I am looking at an olympic event that has happened every 4 years (except for when the olympics didn't happen because of the wars). I found a line of best fit for this data and it is y = -0.0101x + 29.809 The questions are a) Does your graph have a

asked by Carly on May 16, 2019
99. ## To: Economyst - Can you please help me?

The demand curve for a monopolist is Qd = 500 - P and the marginal revenue function is MR = 500 - 2P. The monopoloist has a constant marginal and average total cost of \$50 per unit. a. Find the monopolist's profit maximizing output and price b.Calculate

asked by too old on November 11, 2009
100. ## chemisrty - ICE CHART DEPOSTION

How do i fill out an ICE chart when i am only given an initial concentration of one reactants and an equilibrium of another reaction? inital 0.045 HNO2(aq) Equilibrium 0.0043 H3O+(aq) NO2(aq) - no information my first thought was to sqaure root .0043 mol/l

asked by Tara on November 22, 2012