# 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

92,404 questions, page 211
1. ## linear algebra

which of the following sets of vectors span R^3? a.){(1, -1, 2), (0, 1, 1)} b.) {1, 2, -1), (6, ,3, 0), (4, -1, 2), (2, -5, 4)} c.) {(2, 2, 3), (-1, -2, 1), (0, 1, 0)} d.) {(1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 1)} can someone show the steps to check for

asked by chris on July 19, 2007
2. ## Math

I need help with number 19-21 I don't get it. 19. Workpad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work.

asked by Sorry no one here on November 26, 2018
3. ## precalculus

The acceleration acting on a falling object due to gravity varies inversely with the square of the object's distance from the center of Earth. At the surface of Earth, where x = 1 Earth radius, the acceleration is y = 9.8 m/s2 1. Use the multiply-multiply

asked by Anonymous on January 20, 2011
4. ## Please review

Question is what do the terms race and ethnicity man to you? Question is Why are these concepts important to United States Society? Answer: The term race to be means the way a person distinguishes how one looks at ones skin color, facial features, ancestry

asked by ann on July 1, 2007
5. ## Calculus

Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the? Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about y = 8. 27y = x^3, y = 0,

asked by John on January 31, 2012
6. ## Math

Suppose you deposit \$2000 in an account with an annual interest rate of 7% compounded quarterly. Use the formula A=P(1+r/n)^n*t and round each answer to 2 decimal places, if necessary. a. Find an equation that gives the amount of money in the account after

asked by Keonn'a on December 4, 2018
7. ## Math

A box contains 95 pink rubber bands and 90 brown rubber bands. You select a rubber band at random from the box. Find each probability. Write the probability as a fraction in simplest form... Can you guys explain part C. You repeatedly choose a rubber band

asked by JiaMT on April 18, 2018
8. ## geometry

You have looked at it two times before. There are 30 questions worth 30 points. Part 1 Multiple Choice: Select the best answer from the choices provided. (Each question is worth one point) 1. Determine how many wheels are turning clockwise. 1 2 none 2.

asked by joe on June 23, 2009
9. ## Orientalism

List two to three characteristics of Orientalism We've had many questions about Orientalism in the last year, but many of us don't really know what it means. Please post a definition of Orientalism, and we'll try to help you find its characteristics. These

asked by Anonymous on May 16, 2007
10. ## caluclus homework help

(1) A toy truck travels at a rate of 0.5t ft/sec after t seconds of travel (so after 6 seconds the truck is traveling 3 ft/sec). a) Graph the speed of the truck vs. time for 0

asked by Leslie on January 20, 2008
11. ## Calculus help!

(1) A toy truck travels at a rate of 0.5t ft/sec after t seconds of travel (so after 6 seconds the truck is traveling 3 ft/sec). a) Graph the speed of the truck vs. time for 0

asked by anonymous on January 21, 2008
12. ## ap calculus

The height s of a ball, in feet, thrown with an initial velocity of 112 feet per second from an initial height of 6 feet is given as a function of time t (in seconds) by s(t)=-16t^2+112t+20. 1. What is the maximum height of the ball? 2. At what time does

asked by muffy on September 18, 2009
13. ## Calculus

Consider the function f(x)=sin(5x)/x. (a) Fill in the following table of values for f(x): x= -0.1 -0.01 -0.001 -0.0001 0.0001 0.001 0.01 0.1 f(x)= ( I need the values of f(x) for each x) (b) Based on your table of values, what would you expect the limit of

asked by Abi on February 9, 2011
14. ## Finance

Company is planning to buy a machinery at a cost of \$20 million. This machine will be used for 10 years. The machine will bring additional revenue as follows: \$10 million for first 6 years and \$7 million for the last 4 years Expenses = 60% of revenue for

asked by Tanner on June 27, 2015
15. ## statistics

5) The lifetime of a medical device s a normally distributed rv with standard deviation of 2 years. An experiment is conducted to test 15 medical devices and find their lifetimes to be: a. If the population mean is known to be 15 years, what is the

asked by nur on December 8, 2012
16. ## Precalculus

I'm working on a project and I need some help with figuring out the equations to write. Here is all the information about the project: You and your friends decide to produce your own CD. After searching on the Internet, you find a low-cost CD duplication

asked by Courtney on November 18, 2007
17. ## Science

My physical science class is doing an experiment on the mass of pennies. I hypothesized that newer pennies would have less mass because cheaper materials are being used. I found that before 1982, pennies were made from 95% copper/5% zinc, and after 1982

asked by Beth on September 8, 2007
18. ## Iraq

can you find a site of a total # of troops that have died since the president's new plan http://siadapp.dior.whs.mil/personnel/CASUALTY/castop.htm I went to http://www.fedstats.gov to find this. =) I found this site that shows that 53 troops were killed in

asked by ConFuzzled on January 21, 2007
19. ## Math

Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a

asked by Tracy on February 20, 2014
20. ## ae

Complete the following: Many teachers leave the profession after their first year as an educator. Examine programs that encourage individuals to stay in the profession of teaching and lower the attrition rate. o How does a mentoring program differ from an

asked by scooby9132002 on June 28, 2009
21. ## Physics

A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A2 = 0.0700 m^2. The gas has a density of ρ = 1.80 kg/m^3. The

asked by Jim on November 19, 2012
22. ## Physics

A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A^2 = 0.0700 m2. The gas has a density of ρ = 1.80 kg/m3. The

asked by Sam on November 23, 2012
23. ## Statistics

A Swedish study used 1360 patients who had suffered a stroke. The study randomly assigned 684 patients to receive a placebo treatment and the rest to receive an aspirin treatment. Out of those who received the placebo treatment, 28 died due to heart attack

asked by Katerina on November 28, 2010
24. ## stats.

Based on data from the National Center for Health Statistics, N. Wetzel used the normal distribution to model the length of gestation for pregnant US woman ( Chance, Spring 2001). Gestation length has mean of 280 days with a standard deviation of 20 days.

25. ## statistics

Based on data from the National Center for Health Statistics, N. Wetzel used the normal distribution to model the length of gestation for pregnant US woman ( Chance, Spring 2001). Gestation length has mean of 280 days with a standard deviation of 20 days.

asked by lindsey on March 17, 2013
26. ## math check

A machine produces parts with lengths that are normally distributed with ó = 0.52. A sample of 16 parts has a mean length of 75.07. (a) Give a point estimate for ì. (Give your answer correct to two decimal places.) 75.07. (b) Find the 99% confidence

asked by TOM7 on June 19, 2013
27. ## Math

Hands on : Multiplication patterns with 10,100,and 1,000 1/ Rebecca has 4 boxes of 20 cookies . She wants to know the total number of cookies . Which basic fact must she know to compute the total? What is the total? Answer: 4*20= 80 2/ Jermy is at a

asked by NAwaf on February 24, 2014
28. ## Math sin/cos

On a piece of paper draw and label a right triangle using the given sides, solve for the unknown side and write the trigonometric functions for angles A and B, if a=5 and c=7. I already found side b which equals 2 sqrts of 6. Now I need to find the sin/cos

asked by Anonymous on March 10, 2007
29. ## Calc 1

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→∞ x^7e^−x^6 Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim

asked by TayB on April 20, 2015
30. ## Physics

An object has a initial velocity of 10 m/s in the positive x direction. Under a constant acceleration it stops after undergoing a displacement of 148.3 m in the positive x direction. Because it is still under the same acceleration it then travels back in

asked by Sammy on September 4, 2014
31. ## Physics

An object has a initial velocity of 10 m/s in the positive x direction. Under a constant acceleration it stops after undergoing a displacement of 148.3 m in the positive x direction. Because it is still under the same acceleration it then travels back in

asked by Samantha on September 3, 2014
32. ## Science

Could someone please explain to me in a simple way how FM, AM, and XM radio signals work? No one I ask seems to know. Thanks for the help. Radio waves are part of a general class of waves known as electromagnetic waves. In essence, they are electrical and

asked by Jenna on February 18, 2007
33. ## statistic

A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at random at an auto inspection station. a. If the inspector checks 10 drivers, what is the probability that at least one driver never

asked by sasha on January 5, 2013
34. ## stastics

A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at random at an auto inspection station. a. If the inspector checks 10 drivers, what is the probability that at least one driver never

asked by level crawford on May 3, 2011
35. ## Math 7B

A bag contains 4 white, 3 blue, and 5 red marbles. 1. Find the probability of choosing a blue marble, then a red marble if the marbles are not replaced. a. 5/44 b. 15/35 c. 2/3 (i pick this) 2. 1/15 2. Find the probability of choosing two white marbles in

asked by Sarah on February 29, 2016
36. ## Maths Percentage (6th Grade)

David has \$5 in his wallet. This was 10% of the amount that he received from his mother. Find the total amount of money that David received from his mother. 35% of the number of books Ibrahim owns are fiction boos, find: a.) the total number of books he

asked by Sam on October 11, 2012
37. ## science

Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 ∘ west of north, and the resultant of these two pulls is 530.0 N directly northward. Part A Use vector components to find the

asked by Dalal on September 15, 2015
38. ## accounting

Accounting 103 ScrawnyOcean2290 asked Dominic Hunter, a second-year business student at the University of Utah, will graduate in two years with an accounting major and a Spanish minor. Hunter is trying to decide where to work this summer. He has two

asked by dal on August 5, 2012
39. ## physics

A block of mass 4.0 kg is put on top of a block of mass M = 6.0 kg. To cause the top block to slip on the bottom one, while the bottom one is held fixed, a horizontal force of at least 19 N must be applied to the top block. The assembly of blocks is now

asked by tripp on February 18, 2010
40. ## Physics

A cannon is rigidly attached to a carriage,which can move along horizontal rails but is connected to a post by a large spring, initially unstretched, of force constant 60000 N/m. The cannon ﬁres a 305 kg projectile at a velocity of 174 m/s directed

asked by amanda and leah on January 29, 2012
41. ## Geometry

1. In the formula -2x-y=7, what is the slope? 2. An isoceles trapezoid has____pair(s) of parallel sides. 3. Is a triangle with sides of 6,8, and 10, a right triangle? yes or no. 4.Find the area of the rectangle(30cm, 40cm,40cm. 5. Use factoring to simplify

asked by Patricia on April 15, 2010
42. ## physics

1 A block of mass mb sits atop a at wooden plank of mass mp on a plane inclined an angle theta with respect to thehorizontal. The two are supported near the bottom of the plane by a spring of spring constant k that is in contactwith the plank but not the

asked by lala on October 18, 2011
43. ## Math

What is the solution of the following equation? 2 – 8x = -6 Is the ordered pair (-2, 9) a solution of the equation y = x - 7? Solve the following equation. 3(z – 2) – z = 4z – 20 Find the slope of the line that passes through the points (4, 8) and

asked by REEEEEEEEEE on January 16, 2018
44. ## SOC 101

Checking my Answers: 1. The Sociological insight can provide which of the following: (Points : 1) Knowledge of group behavior Insight into individual behavior Increased understanding of differences *All of these choices Question 2. 2. Which is the best

asked by anonymous on October 5, 2014
45. ## Math

Please help just get started Sarah went trick-or-treating for Halloween. Because of her braces, she could not eat of the candy she received since it was either sticky or chewy. Of the candy she could not eat, she gave 2/3 of it to her older brother Bradley

asked by Sam on January 31, 2019
46. ## Physics

A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A2 = 0.0600 m2. The gas has a density of ñ = 1.70 kg/m3. The

asked by kyle on November 17, 2008
47. ## Biology, Art

I was doing some research for a wildlife art contest in January and I can't seem to find a specific bit of information that is crucial to my painting. The contest requires me to paint a Greater Short Horned Lizard (Phrynosoma hernandesi) and I know that

asked by Harley on October 24, 2011
48. ## Statistics

For questions 1-5, write the null and alternative hypothesis. 1. Does the water temperature have an effect on the number of people in the pool? 2. Does the weather have an effect on the number of people at the beach? 3. A fitness center is running a

asked by Cam on May 3, 2013
49. ## Calculus

Find dy/dx in terms of x and y if (x−a)^9+y^9=a^9. Assume that a is a constant.

asked by Cesar on March 15, 2011
50. ## Math

Find the amount in each case. a) 8% is 56kg.

asked by *multi* on January 15, 2011
51. ## math

how do you find the derivative of square root of x

asked by Jin on August 19, 2010
52. ## pre algebra

Find the percent of the number. 10.5% of 250

asked by amy on May 29, 2012
53. ## Math

Find x-intercepts of x^4-9x^3+29x^2-40x+20

asked by Anonymous on November 15, 2011
54. ## Calculus

find dy/dx and d^2y/dx^2 of 3x(y^2) -2y=2 please give the answer not an example that dosent help me

asked by smokey on November 14, 2010
55. ## Math

Find the area of the triangle ABC given A = 30°, b = 5, and c = 2.

asked by Sally on February 20, 2011
56. ## Calculus

find the derivative of g(a)=sin(arcsin(9a))

asked by Sophie on February 20, 2011
57. ## Math

Find the area of a sq. Whose side is 2.5 cm in length ?

asked by Harsh Raj on July 14, 2017
58. ## pre algebra homework check

Find the product and simplify y(4y + 12) =4y^2+12y????

asked by amy on May 30, 2012
59. ## Calculus

Find the slope of the tangent to the curve y^2=x^3/(xy+6) at (6,3)

asked by Ana on March 15, 2011
60. ## pre-calc

find the equation of the circles described. tangent to 2x + 3y + 13 = 0 and 2x - 3y - 1 = 0 and contains (0,4)

asked by Kylie on March 18, 2012
61. ## calculus

Lim Tan^2(3x)/2x^2 X-0 Find the Limit?

asked by Roshan on September 8, 2011
62. ## pre cal

find the exact value of tan(2sin-1 3/5)

asked by Anonymous on November 2, 2010
63. ## Geometry

name the major arc and find its measure

asked by Anonymous on May 30, 2012
64. ## math

tell wich operation to do first then find the value of each expression

asked by bryanna on September 28, 2010
65. ## Algebra 1

Find the slope and y-intercept of the line 3x=7y+63 Thank you.

asked by Esther on January 16, 2011
66. ## Algebra

Use the quadratic formula to find the roots of x^2-6x=3

asked by Justine on January 15, 2011
67. ## Math

Find an equation of the line containing the points (-6,19) and (-15,28)

asked by Diana on February 17, 2012
68. ## Calculus

Find dy/dx in terms of x and y if xlny+y^6= (9)lnx

asked by Catherine on March 15, 2011
69. ## math

Find p(p^-1(x)) when p(x)=x^2-4 I tried solving this and I got x^4-x+20 but that has no solution so I'm a little confused.

asked by maath on September 15, 2018
70. ## Algebra 1

Find the coordinates of the vertex of the graph y= -x^2+2

asked by Mia on June 28, 2011
71. ## calculus

Find the second derivative of the function: y=e^-2t*cos^2(t+(pi/4))

asked by ireallyneedhelp on December 16, 2010
72. ## math

Find the missing value so that the two points have a slope of -11/7. (2,6) and (x,-5)

asked by Anonymous on April 23, 2018
73. ## math

If (x – 3) divides evenly into x3 – x2 – kx + k, find k. (2 marks)

asked by james on March 20, 2012
74. ## chemistry

Find the concentration of Cu+ in equilibrium with CuBr(s) and 0.10 M Br-.

asked by kelly on September 11, 2011
75. ## math

Find the slope of the line that goes through the points (-6, 3) and (2, 3).

asked by Rachel on October 12, 2017
76. ## calculus

FInd the integral of the infinite series of (2x)^n / n^2 I got (2x)^(n+1) / 2n^2(n+1) is this right ∫ from 0 to ∞ ∑ (2x)^n / n^2

asked by tom on April 1, 2019
77. ## 9/11

Can you find a good 9/11 current event please?

asked by andy on September 11, 2011
78. ## 10th grade

i have an equation; x^2+3x-18=0. i am given one of the roots, of which is 3, but how do i find the other root.

asked by isaiah on December 20, 2010
79. ## math

6-(x-1)=3(x+9) find x how do I do the part before the equal sign?

asked by raluca on November 12, 2011
80. ## algebra II

Using the given equations, find the point of intersection. 6x - 2y = 5 and 3x - y = 10

asked by benjamin on March 16, 2011
81. ## geometry

Points A, B and C are collinear with B between A and C. If AB=3x-4 and BC=4x+7 and AC=12x-12, find the value of x?

asked by Brianna on September 12, 2011
82. ## GVCS

how do u find the standard numeral for 9.3x10^-4

asked by lexie on March 16, 2011
83. ## chemistry/stiochiometry

can someone explain to me how to find the concentration of a liquid

asked by "anonymous" on March 16, 2011
84. ## math

find the slope of the y intercept y=1.7x-3? I have the answer as 1.7,3

asked by Anonymous on September 10, 2011
85. ## math

how do you find the derivative of square root of 5 /t^5

asked by Jin on August 20, 2010
86. ## chem

How to find the %(W/V) of 134mL of a 0.610 M solution of Mg(OH)2

asked by chem on February 16, 2012
87. ## Calculus

Find dy/dx in terms of x and y if (x−a)^9+y^9=a^9. Assume that a is a constant

asked by Cesar on March 15, 2011
88. ## math

how do you find sin7x/4x when lim x goes to 0 the answer is 7/4

asked by Jin on August 19, 2010
89. ## algebra

need to find square root 292

asked by chris on November 14, 2010
90. ## Algebra

find the slope.If it is not defined state this..(0,1)(3,-3)(5,-6)(-1,3)(-3,6)

asked by sherry on March 18, 2012
91. ## geometry

Find the perimeter of a triangle who's vertices are X(-6,2), Y(8,2), and Z(3,14).

asked by Anonymous on September 9, 2011
92. ## MATH

A is the midpoint of BC. BA=2x+5 and BC=5x-3. solve for x and find the length of BC

asked by BOB on January 16, 2011
93. ## Algebra

find the slope.If it is not defined state this..(0,1)(3,-3)(5,-6)(-1,3)(-3,6)

asked by sherry on March 18, 2012
94. ## Algebra 1

A line contains (9,y) and (-6,3). It has slope 2/3. Find y. Any help would be appreciated.

asked by Gamzee :o) on May 28, 2012
95. ## Math

Find the rule for these ordered pair: (1,4) (2,6) (3,9) and (4,13)

asked by Fred on July 9, 2017
96. ## calculus

find the derivative of t=(Sqroot of X^2+1/2)+a-2/3 please help fast!!

asked by Farehapleae fast on December 14, 2011
97. ## Physics

How can i find the area of the triangle vertices (2,-3,1), (1,-1,2)&(-1,2,3)

asked by Lorry on November 13, 2011
98. ## maths

Consider the 4 points A(1,5), B(-4,6), C(0,0), D(-12,12). Find the gradients of the lines: (b) CD; (c) BD.

asked by Henry on November 3, 2016
99. ## maths

Consider the 4 points A(1,5), B(-4,6), C(0,0), D(-12,12). Find the gradients of the lines: (a) BD

asked by Michael on November 3, 2016
100. ## Algebra 1

Find Each Sum Or Difference. Its addition. 3a+2b - 7c -4a+6b+9c -3a - 2b - 7c

asked by Diana on June 29, 2011