# 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 700
1. ## math

step by step how do we find the value of x and y in this matrices by the law of matrices (3 2 4 0) (x y)=(7 12)

asked by swendy on October 18, 2011
2. ## algebra

Find the sum of all positive integers c such that for some positive integers a and b {a!⋅b!=c!} {a+c+3}

asked by sa on September 8, 2013
3. ## Algebra, easy problem

Find the value of k so that the line containing the points (−4,1) and (k,−2) is perpendicular to the line containing the points (−9,5) and (−5,0).

asked by Larry on September 14, 2013
4. ## math

step by step how do we find the value of x and y in this matrices by the law of matrices (3 2 4 0) (x y)=(7 12)

asked by swendy on October 18, 2011
5. ## algebra

The volume of a sphere is given by V(r) = 4/3*pi*r3. Find the volume of the sphere when the diameter is 8 m.

asked by Anonymous on June 11, 2012
6. ## Math, HELP!! UGENT!

Find the value of k so that the line containing the points (−8,8) and (2,k) is perpendicular to the line containing the points (14,−8) and (9,−6).

asked by Max on September 14, 2013
7. ## Vectors Math

For any vector Vector a find Vector a × Vector a. Explain your result.

asked by Amy on February 22, 2015
8. ## Math 12

(2,1) is a point on the graph of y= f (x) . Find the corresponding point on the graph of each of the following functions a) y= -f (-x) +2 b) y= f (-2(x+9))-7 c) y= f (x-2) +2 d) y= 0.3f (5(x-3)) e) y= 1- f(1-x) f) y= -f (2(x-8))

asked by Tarkan on October 11, 2011
9. ## Math

Find the intercepts and use them to graph the equation. y=x-6 A)what are the intercepts B) how do I graph this?

asked by Anonymos on September 4, 2012
10. ## math

A number is 8 more than another number.If the product of the two numbers is 20.Find the numbers.

asked by night on June 20, 2016
11. ## geometry

B is the midpoint of AC. A has coordinates (-3,4), and B has coordinates (-1 1/2,1). Find the coordinates of C. Did i get the right answer? (2)-1 1/2=(2)-3+x(over 2) -3-3=3+x-3 -6=x (2)1=(2)4+y(over 2) 2-4=4+y-4 -2=y The coordinates of C are (-6,-2)

asked by kaitlyn on August 26, 2015
12. ## calculus

How do you differentiate the maclaurin series for 1/(1-x) twice to find the maclaurin series of 1/(1-x)^3.

asked by Paul on April 26, 2010
13. ## college algebra

Find Slope and y intercept for each line that has a slope and y intercept. x+2y=3

asked by BJ on April 23, 2010
14. ## Math Homework

1.) If f(x)=x^2 and g(x)=4x-5, then fg(x)=4x^3-5x^2? True or False? My answer: True 2.) If f(x) =1/x and g(x)=1/x^2, find (g/f)(x). My answer: I need help with this one.

asked by Molly on September 26, 2014
15. ## Math

Find the function rule (-2,9) (-1,4) (0,-1) (1,-6) (2,-11) I think the function rule is you subtract 5 from the y as you go on.

asked by math on March 1, 2018
16. ## maths

Find g := gcd(389; 222) and a; b 2 Z such that g = a  389 + b  222.

asked by Nithiya on October 19, 2012
17. ## calculus

find the derivative of: g(x) = interal(a=7x, b=6x) (u+5)/(u-5) du Hint: interal(a=7x, b=6x) (u+5)/(u-5) du = interal(a=0, b=6x) (u+5)/(u-5) du + interal(a=7x, b=0) (u+5)/(u-5) du

asked by Tom on January 28, 2013
18. ## geometry

Fiven the line F is parallel to line g, find the value of x. Line f is 3x Line g is 6x+45

asked by Ryan on November 27, 2011
19. ## Maths

If f(x)=sin(x)+sin^2(x+60)+cos(x)cos(x+60) and g(5/4)=1 then find g0f

asked by Anonymous on July 20, 2013
20. ## Calculus

Find the slope of the curve y=x^4 at x=4 The slope of the curve at x=4 is ___.

asked by Dominick on January 28, 2016
21. ## math

The side of a square is x+8 metre and other side of the square is 3x-18 find the value of x .

asked by sangya on November 20, 2016
22. ## chemistry

how to find which is quantum number and magnetic quantum number

asked by steve please solve this question on July 10, 2014
23. ## math

Find an equation of a line that is parrellel to the line of each equation: y=2x-7 y=-4x+5 y=x-3

asked by Marianna on April 25, 2008
24. ## math

The sum of two numbers is 10.The sum of their squares is 52.Find the numbers.

asked by Jack on February 2, 2012
25. ## trig

If 0 is less than or equal to 2theta less than or equal to pi and P(2theta)= (-7/25, 24/25), find P(theta)

asked by Johnathan on May 1, 2008
26. ## Math Homework HELP!

Find the value of k so that the line containing the points (k,−8) and (−3,−5) is parallel to the line containing the points (9,7) and (12,5).

asked by Kyle on September 14, 2013
27. ## Discrete Mathematics

Find x in the following expressions: 1. (111)10 = (x)3; 2. (111)3 = (x)10; 3. (2012)10 = (x)7; 4. (2012)7 = (x)10;

asked by Nisha on October 20, 2012
28. ## Math

One number is 9 more than another number. If the product of the two numbers is -20, find both numbers.

asked by Ben on March 17, 2008
29. ## GEOMETRY

the coordinates of point T are given. The midpoint of ST is (5,-8). Find the coordinates of point S. 18) T(10,18)

asked by matt on November 18, 2014
30. ## Vectors

For any vector Vector a find Vector a × Vector a. Explain your result.

asked by Zaynab on February 22, 2015
31. ## college algebra

find the vertex f(x)=3x^2-6x+8 I have an answer of -1 and 17 I believe that the correct answer is 1,5 is this correct

asked by Jake on April 23, 2010
32. ## math

The sum of the firest 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P

asked by Ahmad on October 28, 2011
33. ## Calculus

Find the RMS value of the function i=15[1-e^(-1/2t)] from t=0 to t=4 A. 7.5[sqrt(1+4e^-2 -e^-4)] B. 7.5[sqrt(4-2e^-2 +e^-4)] C. 7.5[sqrt(4+4e^-2 -e^-4)] D. 7.5[sqrt(5-2e^-2 +e^-4)]

asked by Summer on November 28, 2011
34. ## maths

Find the general solution of sin x + sin 2x + sin 3x + sin 4x = 0 ?

asked by Anonymous on February 18, 2013
35. ## Math

Help. If p and q are the roots of the equation 2x^2-x-4=0. Find the equation whose roots are p-(q/p) and q-(p/q). Working please

asked by Majek on March 16, 2017
36. ## Maths

Find tan(3 theta) in terms of tan theta

asked by Jake on February 12, 2007
37. ## precal

find the quotient z/w z=8(cospi/3+isinpi/3) w=4(cospi/18+isinpi/18)

asked by joe on May 20, 2011
38. ## basic math problem

the sum of three numbers is 8. the first number plus the second is 16 less than the third. the second number is 8 more than the third. find the numbers

asked by Anonymous on November 28, 2011
39. ## Trig

find sin(s+t), given that sin t=1/3, t in quadrant 2, and cos s = -2/5, s in quadrant 3

asked by SK on November 28, 2010
40. ## DPS/Maths

ab is parallel to pr and pq is parallel to AC and angle a is 90 degree.find angle p.

asked by harsh on July 17, 2016
41. ## Math

What is the difference between the range and the interquartile range? I can't find a difference

asked by Anonymous on November 8, 2009
42. ## Vectors Math

For any vector Vector a find Vector a × Vector a. Explain your result.

asked by Zaynab on February 22, 2015
43. ## Math

Find the value of k so that the line containing the points (k,−8) and (−3,−5) is parallel to the line containing the points (9,7) and (12,5).

asked by Nick on September 14, 2013
44. ## Math

One of the angles of a parallelogram is 36° greater then another one. Find the angles of the parallelogram.

asked by Anonymous on March 19, 2017
45. ## Calculus 1

Find the derivative of y with respect to x. y=(x^6/6)(lnx)-(x^6/36) So far this is what I've gotten: y=(x^6/6)(lnx)-(x^6/36) y=(1/6)x^6(lnx)-(1/36)x^6 y'=(1/6)x^5(1/x)+lnx(x^5)-(1/6)x^5 What do I do now?

asked by Alex on October 22, 2012
46. ## Precalc

Consider the function f(x)=2x^3 +1. Determine whether the inverse of F is a function. Find the inverse.

asked by Johni on August 26, 2015
47. ## Math I

How do you find whether a function is even or odd? Identify the odd function. A)f(x) = 5 B)f(x) = 8x C)f(x) = |x3| D)f(x) = x2 + 7

asked by Cline on February 8, 2010
48. ## Chemistry

How to find how many moles of water can be produced from 11 moles of water?

asked by AER on May 20, 2011
49. ## algebra

Find S25 for 1/2 + 1 + 3/2 + 2 +... A. 160 B. 162 C. 160.5 D. 162.5 I think D

asked by drew on March 5, 2013
50. ## physics

If i have 3 different uncertainties how do i get the average uncertainty of the three? For example ±.3 , ±.2 , ±.3 how do i find the average uncertainty of the three?

asked by Angie on October 12, 2010
51. ## survey of clac

g(x)={x+6, for x or equal to -2, find the limit: lim g(x)= lim g(x)= x-->-2^- x-->-2^+ lim g(x)= lim g(x)= x-->-2^+ x-->4^-

asked by samir on September 24, 2010
52. ## math

find the slope and the y-intercept f(x)=-7x-2 the slope is -7 the y-intercept is(0,-2) is this correct?

asked by jason on June 29, 2009
53. ## math

The sum of the firest 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P

asked by Ahmad on October 28, 2011
54. ## Physics

A pendulum consists of a sphere of mass 1.5 kg attached to a light cord of length 10.9 m as in the ﬁgure below. The sphere is released from rest when the cord makes a 58 degree angle with the vertical, and the pivot at P is frictionless. The acceleration

asked by Amanda and Leah on January 10, 2012
55. ## math

what's the quadratic form of 1/4(x+3)^2-4 I need it to find the intercepts of the parabola it describes. Check: I think the parabola is 1/4 scaled, moved 3 to the left and down 4 compared to a y=x^2 parabola. Is this ok? If you are looking for the

asked by charlie on March 20, 2007
56. ## Science

Are all of these true? 1. Ocean ridges are not associated with orogeny at convergent boundires. 2. At a convergent boundary involving two oceanic plates, you would expect to find a fault-block mountain. 3. Convergent plate boundaries are most often

asked by Angie on March 22, 2009
57. ## Math

I am having a problem with this question and need direction.A \$500 8% bond is purchased on Feb. 1,2004 to yield 10% compounded semi-annually. The interest on the bond is payable on Feb. 1 and Aug.1 each year. What is the purchase price if the bond is

asked by Jill on June 18, 2010
58. ## Child care

Financing and Budgeting 1. Which one of the following categories makes up the largest percentage of a child care operating budget? A. Supplies B. Salaries and benefits C. Food D. Mortgage or rent 2. Child care operating budgets generally contain a pro

asked by Tina on August 16, 2010
59. ## Financial information for management

ACCA Paper 1.2 Financial information for management Question 1 Preliminaries -Generating data (unit cost) for your version of the question -Using a scientific calculator,generate two 3-digit random numbers (hit the random number button twice {shift then

asked by evans on October 25, 2006
60. ## accounting

Andre has asked you to evaluate his business, Andre’s Hair Styling. Andre has five barbers working for him. (Andre is not one of them.) Each barber is paid \$9.90 per hour and works a 40-hour week and a 50-week year, regardless of the number of haircuts.

asked by Anonymous on August 16, 2009
61. ## physics

I am having some difficulty with a few problems on my homework and I'm hoping to get some insight. the first one: a robotic space probe of mass 7600 KG is traveling through space at 120 m/s. Mission control determines that a change in course of 30.0

asked by H.M. on April 13, 2009
62. ## Calculus

The rate of growth of a particular population is given by dP/dt=50t^2-100t^3/2 where P is the population size and t is the time in years. The initial population is 25,000. Find the population function. Estimate how many years it will take for the

asked by Anonymous on February 9, 2015
63. ## math

Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) . Find the exact value of cos theta. I assume I use the equation 1 / cos(theta)^2 = 1 + tan (theta)^2 However how does this work out algebraically?

asked by Adam on March 31, 2013
64. ## Math

Find the unit rate for a sponge cake that weighs 25 ounces and has 2750 calories. A. 0.009 calories per ounce B. 110 calories per ounce** C. 68,750 calories per ounce D. 115 calories per ounce

asked by Jack on December 6, 2017
65. ## quad. eq.

find 3 consecutive integers such that the product of the second and third integer is 20 Take three integers x, y, and z. The for xyz, we want y*z = 20 The factors of 20 are 20*1 10*2 5*4. 20*1 are not consecutive. 10*2 are not consecutive. But 5 and 4 are

asked by chrisw on January 31, 2007
66. ## math

use the clues to find the 7th digit mystery number. * Its is between 1 and 2 million * the first three digits are the same the least possible digit is in the thousands place. *the greatest possible digit is in the ones place * the hundreds digit is 1 more

asked by edwin on November 30, 2007
67. ## Math

Find the domain of the following functions. 1. y= radical(x-3) - radical(x+3) 2. y= [radical(2x-9)] / 2x+9 3. y= radical(x^2 - 5x -14) 4. y= [cubed root(x-6)] / [radical(x^2 - x - 30)] I'm terrible at finding domains.. so any help with these problems would

asked by April on July 12, 2013
68. ## Physics

At a height of 500km above earth, a satellite will orbit the earth once every 95 minutes. Find the mass of the earth based on this idea. B) How far above earth's surface would a satellite need to orbit so that it revolves at exactly the same rate as the

asked by Matt on November 7, 2016
69. ## 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. How would I show my

asked by Punkie on December 6, 2009
70. ## Chemistry

Using the compound for Ibuprofen C13H18O2 find molecules of Ibuprofen that contain 2.84 x10 23 atoms of Hydrogen So for every 1 mol of H= 6.022 x 10 23 molecules of H? (Not sure if Im going in the right direction?) Having trouble setting this up or 1 mol

asked by TMV on November 29, 2010
71. ## Physics

Two resistors connected in series have an equivalent resistance of 783.4 Ω. When they are connected in parallel, their equivalent resistance is 171.3 Ω. Find the resistance of each resistor. 1) small resistance (ohm) 2) large resistance (0hm)

asked by gita on September 8, 2013
72. ## Math

A box contains four red marbles, seven white marbles, and five blue marbles. If two marbles are drawn one at a time, find the probability that both marbles are white if the draws are made as follows: (a) With replacement ____________ (b) Without

asked by Star K on May 6, 2010
73. ## Math

A standard deck of cards is made up of four suits with 13 cards in each suit (total of 52 cards). If we randomly sample five cards from a standard poker deck, find the probability that all five cards selected are clubs.

asked by Jaime on June 21, 2010
74. ## Math

During peak season, a hotel room costs \$135 per night. During the off-season, it costs \$90 pernight. Find the percent of change from peak season to off-season.

asked by Brandon on February 7, 2008
75. ## Physics

A gun of mass 0.1kg has a bullet of mass 0.1kg the bullet leaves the piston when fired at a velocity of 200m/s find the final velocity?

asked by Mr:EL CHALPO on July 23, 2019
76. ## geometry

The volumes of two similar figures are given. The surface area of the smaller figure is given. Find the surface area of the larger figure. V = 5 in3 V = 40 in3 S.A. = 4 in2

asked by Anonymous on October 20, 2012
77. ## Pre Algebra

A wooden railing is 82 feet long. It is to be divided into 4 pieces. Three pieces will be the same length, and the fourth piece will be 2 feet longer than each of the other three. Find the length of each piece.

asked by Ruth on February 18, 2013
78. ## Algebra

Meryl needs to add enough water to 11 gallons of an 18% detergent solution to make a 12% detergent solution. Which equation can she use to find g, the number of gallons of water she should be added

asked by Que on December 14, 2015
79. ## math

A store mixes peanuts worth \$10 per pound and biscuit worth \$13 per pound. The mixture is to sell for \$12 per pound. Find how much of each should be used to make a 432 pound mixture.

asked by Kadie on March 20, 2015
80. ## trigonometry

two angle of a triangle are 38 degree 27 minutes and 48 degree 42 minutes, respectively. if the longest side of the triangle is 256.6 cm ong find the length of the shortest side.

asked by frances on March 22, 2017
81. ## Calculus

Find: (a) the interval(s) on which f is increasing, (b) the interval(s) on which f is decreasing, (c) the open interval(s) on which f is concave up, (d) the open interval(s) on which f is concave down, and (e) the X-coordinate(s) of any/all inflection

asked by Dan on November 29, 2010
82. ## algebra

Jason is designing a rectangular garden that has area of 300 square feet. The width of the garden is five feet less than its length. Find its length and width

asked by leyry on March 10, 2015
83. ## Calculus

Find: (a) the interval(s) on which f is increasing, (b) the interval(s) on which f is decreasing, (c) the open interval(s) on which f is concave up, (d) the open interval(s) on which f is concave down, and (e) the X-coordinate(s) of any/all inflection

84. ## math - y-intercept

hi, how would we find the y intercept , given slope of 11/2.54 and points (5,1.49). can you show me the steps so i can solve it. tnx y=ax + b where a is slope, b is y intercept. Put the points in the equation... 1.49=11/2.54 (5) + b solve for b. x + y = 1

asked by gorden on March 4, 2007
85. ## Math

Marlon has 4 baseball cards, Jake has 4 baseball cards and Sam has 3 baseball cards. Can you write a multiplication sentence to find how many baseball cards they have altogether? Explain.

asked by Tammy on November 12, 2013
86. ## chemistry

a gas sample is collected at 16 degrees c and 0.982 atm. if the sample has a mass of 7.40 g and a volume of 3.96 l, find the volume of the gas at stp and the molar mass?

asked by jessica on February 28, 2012
87. ## math

write a five digit number(s) that fits each description. use only the digits that the athletes are wearing. use each digit only once in each answer. The digits on athletes are: 4,1,8,3,6 1. find the greatest number less than 1.81.

asked by John Dosley on December 11, 2013
88. ## Algebra

The value V, in dollars, of a shopkeeper’s inventory software program is given by V=-50t+300, where t is the number of years since the shopkeeper first bought the program. Find the value of the software after 4 years.

asked by Mary on November 29, 2010
89. ## Algebra

Diagonal brace. The width of a rectangular gate is 2 meters (m) larger than its height. The diagonal brace measures sqrt6m. Find the width and height.

asked by Sandra on July 23, 2009
90. ## Math

Ok, 1 football equals 13 ounces. 10 footballs would equal 130 ounces (right?). In order to find out how many pounds 10 footballs equal, would you divide 130 divided by 16?

asked by Adaija on March 10, 2013
91. ## Statistics

In a Gallup poll of 1038 adults, 540 said that second-hand smoke is very harmful. What is the percentage of adults who said second-hand smoke is very harmful? I am not to sure how to find the anwser???

asked by Anonymous on July 1, 2010
92. ## Calculus

Suppose that the number of bacteria in a culture at time t is given by N = 4950 ( 28 + t*e ^(-t/24)) Find the LARGEST and SMALLEST number of bacteria in the culture during the time interval 0 ≤ t ≤ 140

asked by Elisa on November 29, 2010
93. ## calc

a circle is tangent to the y-axis at y=3 and has one x-intercept at x=1 1. determine the other x-intercept 2. find an equation for the circle so i know two points on the circle are (0,3) and (1,0) and the equation for a circle is (x-a)^2 + (y-b)^2 = r^2

asked by sammy on September 1, 2007
94. ## Math

A box contains 3 red marbles, 6 blue, and 1 white. The marbles are selected at random, one at a time, and are not replaced. Find the probability. 10. P (red and white and blue).

asked by R. on October 11, 2016
95. ## Graphs

The graph of y = f(x) is shown below. Assume the domain of f is [-4,4] and that the vertical spacing of grid lines is the same as the horizontal spacing of grid lines. The points (a,4) and (b,-4) are on the graph of y = f(2x) Find a and b.

asked by Les on April 12, 2016
96. ## statistics

If 8% of the population of trees are elm trees, find the probability that in a sample in a sample of 100 trees, there are exactly 6 elm trees. assume the distribution is approximately Poisson

asked by Michelle on May 16, 2011
97. ## Calculus

A building is to be braced by means of a beam which must pass over a wall. If the wall is 3 3/8 feet high and stands 8 feet from the building, find the shortest beam that can be used.

asked by Sandra on May 11, 2016
98. ## physics

A rock is dropped from a bridge to the water below. It takes 2.4s to hit the water. Find the final speed of the rock when it hits the water. How high is the bridge above the water