# Which value of r represents data with a strong negative linear correlation between two variables? 1) -1.07 2) -0.89 3) -0.14 4) 0.92

26,129 questions, page 50
1. ## Linear Algebra

Suppose T: R^2->R^2 is a linear transformation with T(1,2)=(2,-1) & T(3,-1)=(-1,2). What is T(-12,11)?

asked by Brody on March 5, 2014
2. ## Algebra 2

how can i found out if y=2/3X + 1/2 is a linear equation

asked by bob on August 24, 2008
3. ## math

linear matrices? how to solve?

asked by me on May 7, 2009
4. ## discrete math

how do i solve linear equations? -4(k-2)+3(k+1) =7.

asked by kennedy on September 11, 2008
5. ## math algebra 1

is y + 2xy =3 a linear equation?

asked by laila01 on May 9, 2009
6. ## calculus

The linear approximation at x=0 to f(x)= sqrt (7+6x) is y=

asked by jenny on November 5, 2009
7. ## math

How do you know that an equation is linear or nonlinear?

asked by Bobby on September 18, 2008
8. ## Calculus

The linear approximation to 1/sqrt(3-x) at x=0 is y=

asked by That Guy on October 6, 2012

is the equation linear or nonlinear?? y= - 3/8x - 14

asked by Ayriana on March 1, 2014
10. ## algebra

Graph the linear equation. -3x + y = -6

asked by zach on May 5, 2010
11. ## Calculus

The linear approximation to (1/sqrt(9-x)) at x=0. What is y?

asked by Nate on October 10, 2013
12. ## Math 10

solve this linear system 2/3m + 3/4n = 16 -1/2m + 3/8n = 18

asked by Chanel on June 14, 2013
13. ## graphing lines in the form

graph linear equation 3x-6y-9=0

asked by daniel on December 2, 2008
14. ## Physics

Define linear momentum.

asked by Jeconiah on August 29, 2012
15. ## math

what is linear measure and precision

asked by Brianna on November 15, 2010
16. ## precalc

Determine whether the equation is linear in x. 5-3x=0 5=10/2 x+3=x-5

asked by kate on September 14, 2009
17. ## calculus

The linear approximation at x = 0 to f(x) = \sqrt { 5 + 4 x } is y =

asked by Alessandra Romano on October 31, 2014
18. ## algebra

how do you do the linear equation y + 9 =1/5x and 45 - 3y = 15x

asked by Reen on April 28, 2013
19. ## calculus

The linear approximation at x = 0 to f(x) = \sin (5 x) is y =

asked by Alessandra Romano on October 31, 2014
20. ## Math

how do you solve a linear system. 7. x-y=8 x+y=-2

asked by Christina on May 31, 2011
21. ## Calculus

Which of the following is the best linear approximation for f(x)=cos(x) near x= π/2 ? a) y= x - π/2 b) y= -x + π/2 c) y= -x + π/2 + 1 d) y= x - π/2 +1

asked by Alice on December 20, 2018
22. ## math

Graph the linear equation. -3x + y = -6

asked by zach on May 5, 2010
23. ## algebra

solve for linear equation: -2x-2+7(x+1)=2x

asked by Johnny on June 22, 2014
24. ## College Math

1. Graph the linear inequality. y≤4x 2. Graph the linear inequality. 4x+5y≤20

asked by Anonymous on September 13, 2017
25. ## Algebra

1. Graph the linear inequality. y≤4x 2. Graph the linear inequality. 4x+5y≤20

asked by Laura on September 14, 2017
26. ## Calculus

Which of the following is the best linear approximation for f(x)=cos(x) near x= π/2 ? a) y= x - π/2 b) y= -x + π/2 c) y= -x + π/2 + 1 d) y= x - π/2 +1

asked by Alice on December 20, 2018
27. ## Calc

The linear approximation at x = 0 to f(x) = \sqrt { 3 + 3 x } is y = Please Help!

asked by Anonymous on August 5, 2013
28. ## algebra

how do you do standard from linear equations

asked by abby on March 31, 2008
29. ## Math

Solve the linear system: 4x-4y=4 3x+4y=-18

asked by tinkwink on December 6, 2009
30. ## math

Suppose f is a linear function such that f(1) = -1 and f(3)=2. Then f(4)=?

asked by Kiki on October 22, 2012
31. ## math

The equation of linear funtions

asked by Polly on November 8, 2011
32. ## math

In the linear equation: y =-4x + 5 what is the y intercept?

asked by heidy on April 4, 2010
33. ## geometry

how do you do linear measure and precision

asked by kim on February 26, 2009
34. ## Math

Are all linear equations functions? Why or why not?

asked by Diana on June 8, 2010
35. ## Algebra 1

is this a linear equation 4xy + 2y = 9

asked by Kayla on November 17, 2007
36. ## Algebra 1

I'm graphing linear inequalities...it says I need to do: y5 How do I do this?

asked by Rachel on January 27, 2011
37. ## Math

Suppose that P(x) is a linear polynomial with P(6)-P(2)=12. What is P(12)-P(2)?

asked by bryan on April 7, 2018
38. ## math

How many solutions are there for the linear system x – y = –5 and x + y = 1?

asked by clary on May 27, 2012
39. ## ALGEBRA

how do you solve a linear equation?

asked by TRACY on March 21, 2011
40. ## Algebra

Linear Function graphing. y=-x ???

asked by Greg on February 7, 2013
41. ## Math

Need Help Please Solve the linear equation 2x/5-x/3=3

asked by Roxanne on February 13, 2011
42. ## pre algebra

How do you solve linear equations like -4x-5y-5 and or -5y-25=-x

asked by alliah on January 20, 2011
43. ## math

5x-4y=-7 3x-3y=-21 (linear combination method)

asked by Jas on March 11, 2016
44. ## algebra

How many solutions do the linear equations x-y=2 -2x+2y=-1 have?

asked by Samantha on February 11, 2012
45. ## Math, Differential Equation

3ydx= (3(x^2) -1)(dx-dy). Solve by Linear. Thanks!

asked by Jhun on September 28, 2015
46. ## Math

Working with linear equations: 3(2x+1) - 4 (x+2) = 9

asked by John on January 25, 2013
47. ## math

solve each linear equation.. y=x+4 y=-2x+1 I just need help on one of them.

asked by tina on September 17, 2015
48. ## Math

4x+3y=5 x-3y=5 solve by linear equations

asked by LaSalle on March 17, 2009
49. ## math

factorize z^4 + 2z^3 - 2z^2 + 8 into linear factors

asked by isha on February 24, 2009
50. ## math/algebra

i cant find out how to do linear equations

asked by lucky wright on August 29, 2007

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

asked by anonymous on December 5, 2012

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

asked by anonymous on December 5, 2012

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

asked by anonymous on December 5, 2012

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

asked by anonymous on December 5, 2012

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

asked by anonymous on December 5, 2012
56. ## differential equation

solve using linear 3ydx=(3x^2-1)(dx-dy)

asked by rekl on September 28, 2015
57. ## Algebra

whats a linear function?

asked by HI on March 25, 2015
58. ## Math help

what does a and b represent in linear regression Y=aX+b.

asked by Tim on June 19, 2010

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

asked by anonymous on December 5, 2012
60. ## math

10x + 7 - y= 0 This equation would be linear right?

asked by jess on January 16, 2010
61. ## Algebra

Linear equations and inequalities

asked by Jewel on June 5, 2012
62. ## algebra

Graph the linear function f(x)=3−6x.

63. ## Calculus

Use a linear approximation to estimate (8.2)^(2/3)

asked by Ben on January 19, 2015
64. ## calculus

use a linear approximation to estimate (8.2)^(2/3)

asked by Roger on January 19, 2015
65. ## differential eqautions

linear equations of order one 1. (x^2-1)dy/dx+2y=(x+1)^2

asked by skorge on February 22, 2018

How do you do linear function tables?

asked by Brittany on March 27, 2009
67. ## math

if i am solving a linear combanation nd it is y=-2+5 and 2x+7y

asked by lasharon on April 6, 2011
68. ## Linear or nonlnear

how do i tell if my graph is linear or nonlinear...

asked by LT on December 8, 2007
69. ## math

The linear approximation at x = 0 to sin(8x) is L(x) = A+Bx where A = B=

asked by bobby on March 28, 2012
70. ## Math Calc

Find the linear approximation of f(x)=ln x at x=1 where L(x)=

asked by Manny on March 27, 2009
71. ## Math

Graph linear inequality y

asked by Bob on June 6, 2010
72. ## precalc

Let f(x) be linear f(16)=-5 f(20)= -17 Find f(x) Calculate f(12)

asked by Reema on April 25, 2010
73. ## Algebra

how do you solve linear combinations?

asked by Mandy on January 6, 2008
74. ## grammar/sentence structure

would someone please check over my paragraphs for any grammatical errors, and more importantly, correct sentence structure? I was told I was bad at both... thank you so much in advance! The case of scientific fraud I would like to discuss extensively is

asked by melinda on October 13, 2007
75. ## Check my precalc

1. find without a calc log base 5 of cubed root of 25. I got x=(2/3) 2. ln base e of 3 I got 3 3. find the domain of y= log base 3 of (x/x-1) I got (negative infinity, 0)union (1, infinity) 4. y= (1/ln x) find the domain i got ( negative infinity, 1) but

asked by Rebekah on November 15, 2012
76. ## physics

The flywheel of a steam engine runs with a constant angular velocity of 220 rev/min. When steam is shut off, the friction of the bearings and of the air stops the wheel in 2.7 h. (a) What is the constant angular acceleration, in revolutions per

asked by greg on March 5, 2008
77. ## Linear Approximation

Use linear approximation, i.e. the tangent line, to approximate 1/0.104 as follows: Let f(x)=1/x and find the equation of the tangent line to f(x) at a "nice" point near 0.104 . Then use this to approximate 1/0.104 . L(x)=f(a)+f'(a)(x-a)...i think. You're

asked by Jojo on October 14, 2006
78. ## Edit/Revise

Both the USB flash drive and the DVD are data storage devices, but they both have numerous differences. Both can contain insane amounts of data and add to our storage making it even easier to store your photos, videos, and many more types of files.

asked by Editing on January 4, 2017
79. ## English

I forgot to include these other sentences. I hope you can check them, too as I need them for tomorrow. 1) This obviously represents the secret and evil side of nature. Hyde is only ever seen here, never at the front of the house. 2) Furthermore, the most

asked by Franco on March 14, 2011
80. ## Chemistry

Can someone check my answers? These are based off of an experiment which is determining the proportionality constant, R, in the ideal gas equation. 1. Suppose a student runs into some procedural and calculation difficulties. State the effect the following

asked by Brandon on April 1, 2007
81. ## Math Ms. Sue please

2. Find the outlier in the data set and tell how it affects the mean. 4, 4, –6, –2, 14, 1, 1 (1 point) –6; it raises the mean by about 1. –6; it lowers the mean by about 1. 14; it raises the mean by about 1.9. 14; it lowers the mean by about 1.9.

asked by Delilah on March 8, 2013
82. ## Algebra1

Can you check my answers? 1. Table modeling a linear relationship is shown below. What is the rate of change of nails to birdhouses? 2 birdhouses to 22 nails 3 birdhouses to 33 nails 4 birdhouses to 44 nails 5 birdhouses to 55 nails a. 55 nails per

asked by Alexis on September 6, 2016
83. ## Algabra 1

Buying a Home For most people, buying a house is a great investment that can offer security in an uncertain world, but buying a house is also a commitment. Application Practice Answer the following questions. Use Equation Editor to write mathematical

asked by Luna on August 13, 2011
84. ## Pre-Calculus

Carmen rides her bicycle at a constant rate to the market. When she rides her bicycle back home along the same route, she bikes at three-quarters the rate she biked to the market. At any given time, t, the distance biked can be calculated using the formula

asked by P on August 29, 2016
85. ## ALGEBRA 1 HELP

The description below represents Function A and the table represents Function B: Function A The function is 2 more than 5 times x. Function B x y -1 2 0 5 1 8 Which statement is correct about the slope and intercept of the two functions? Their slopes are

asked by Tony on August 1, 2017
86. ## algebra

Simplify using only positive exponents. (2r^-1s^2t^0)^-2 ---------------- 2rs Thanks in advance! Working this out: (2^-2 r^2 s^-4)/ (2 r s) = r^2/8rs^5 Note: Anything to the 0 power is equal to 1. I hope this will help. Sorry but can you help me please I

asked by Yvonne on February 24, 2007
87. ## english..

Can someone help me change up the words? A positively charged drum has the image drawn on it with a laser. The areas touched by light become negatively charged. Positively charged toner particles are attracted to the negative areas on the drum. The drum

asked by thez on February 16, 2015
88. ## Science

I really need help on this project. I am not asking for all of the answers, I just need someone to explain what I should do for this experiment. And how to make a data table. Directions: 1. Design an experiment to support the hypothesis that light travels

asked by Melinda May on November 11, 2016
89. ## CHEMISTRY

A BUFFER SOLUTION IS MADE FORM 0.10 MOLES NaF AND 0.25 MOLES OF HF IN 1 LITER OF WATER ----WHAT WILL THE BUFFER CAPACITY BE IF 1.0M HCL IS ADDED -----WHAT IF 2.0 M OF NAOH IS ADDED?? PLEASE HELP I HAVE NO CLUE WHERE TO EVEN BEGIN!!! Calculate the pH of the

asked by BRITTANY on February 27, 2007
90. ## Economics

Please help me on this one! You are planning to estimate a short-run production function for your firm, and you have the following data on labor usage and output: Labor Output 3 1 7 2 9 3 11 5 17 8 17 10 20 15 24 18 26 22 28 21 30 23 A- Does a cubic

asked by TrickyEconomics on July 22, 2009
91. ## Crt 205

I need some help with a few questions on my homework. 1)The Lakers almost didn't beat the Kings. They'll never get past Dallas. (Assume that in fact, the Lakers beat the Kings.) a. Valid. b. Sound. c. Inductive (strong). d. Inductive (weak). e. This is an

asked by NancyM on March 20, 2010
92. ## PLZ HELP MT MIND WILL EXPLODE I DONT UNDERSTAND!!!

4. Explain the data you will want to collect on your mission, and list the instruments that you’ll need so that you can collect and store samples while on your mission. Describe how any collected data will be used when you return from your mission. 3

asked by I NEED HELP ASAP on May 9, 2016
93. ## Social Studies

Which of the factors best help explain why a strong navy and a large fleet of trading ships have been an important part of the UK's history.

asked by Victoria on September 2, 2009
94. ## History

Why might a president's legislative proposal receive strong public support from around the nation yet still encounter opposition in Congress?

asked by Jonathan on November 14, 2012
95. ## Social Studies

(blank) taught that people need a strong ruler to maintain order -daoism (i picked) -legalism -buddhism -none of these

asked by little dark one on February 6, 2016
96. ## Chemistry

Which of the following solutions of strong electrolytes contain the largest number of ions: 100.0 mL of 0.30 M AlCl3, 50.0 mL of 0.60 M MgCl2, 200.0 mL of 0.40 M NaCl?

asked by Summer on August 31, 2011
97. ## chemistry

List the following strong electrolytes solutions in order of increasing boiling point. a. 0.1 M CaCl2 b. 0.1 M AlCl3 c. 0.1 M CaS

asked by carlos on October 1, 2016
98. ## chemistry

Thallium(I) hydroxide is a strong base used in the synthesis of some organic compounds. Calculate the pH of a solution containing 2.13 g TlOH per liter.

asked by crystal on August 8, 2008
99. ## chem

what are ways to increase the solubility of SnF2 at constant temperature and pressure. I think adding a strong acid will work not sure what else.

asked by jeff on December 8, 2015
100. ## Psychology

In what ways can the BATNA approach be helpful when dealing with a powerful negotiator or strong personality, such as an agency or the clients themselves?

asked by Linda on July 14, 2009