Wednesday

January 28, 2015

January 28, 2015

Number of results: 277

**English**

Are these correct? The beginning of the sentences before "the skiers" are they still considered part of the noun phrase, or are they considered a prepositional phrase, or something different? I believe they are part of the noun phrase, but not sure. The part in the [ ] is what...
*November 16, 2008 by Megan*

**pre-calc**

determine if the following lines are parallel, perpendicular or neither. Explain your reasoning. -2x+3y=3 2x+3y=3 Rewrite them in y = mx + b form to get the slopes, m. The lines are parallel of the slopes are the same. They are perpendicular if the product of the slopes is -1 ...
*January 10, 2007 by britteny*

**Statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*November 8, 2012 by John*

**statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*November 14, 2012 by joey*

**statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*November 15, 2012 by joey*

**Statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*November 16, 2012 by John*

**Statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*November 18, 2012 by John*

**Statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*December 17, 2012 by Jill*

**Statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*December 18, 2012 by Jill*

**Economis**

A demand curve that is unit elastic everywhere is a. linear and slopes downward b. linear and slopes upward c. vertical d. horizontal e. nonlinear
*January 19, 2010 by Rosa*

**Geology/Glaciers**

Why do north facing slopes on mountains support glaciers today while south facing slopes do not?
*November 12, 2008 by Charlie*

**alg.**

Determine which two equations represent perpendicular lines. a) y=2x - 6 b) y=1/2x + 6 c) y= -1/2x + 6 d) y= 1/2x - 6 I know that perpendicular lines have negative recipricals, but I'm having trouble with this problem. I think the answer is b & c because they are both 1/2 and ...
*July 30, 2007 by lacy*

**calculus**

The slopes of the tangent lines to the graph of the function f(x) increase as x increases. At what rate do the slopes of the tangent lines increase? f(x) = x2 – 1 Thanks for the help.. really need it.
*September 21, 2010 by john*

**calculus**

The slopes of the tangent lines to the graph of the function f(x) increase as x increases. At what rate do the slopes of the tangent lines increase? f(x) = x2 – 6 PLZZ help
*September 21, 2010 by Amanda*

**math helper plese**

2 isosceles triangles have the same height. The slopes of the sides of triangle A are double the slopes of the corresponding sides of triangle B. How do the lengths of their bases compare? A. The base of A is quadruple that of B. The base of A is double that of B. C. The base ...
*January 17, 2011 by Kelly*

**MATH**

For the floor plans given in exercise27, determine whether the side through the points (2, 3) and (11, 6) is perpendicular to the side through the points (2, 3) and (-3, 18). Compute the slopes of the two lines. If the product of the slopes is -1, then te lines are ...
*February 14, 2007 by stacy*

**Math - PreCalc (12th Grade)**

Which statement is true for any linear system of two equations in two variables? A) The system is independent if the slopes of the two lines are equal. B) The system is inconsistent if the y-intercepts of the two lines are equal. C) The system is independent if the graphs of ...
*March 20, 2014 by Shawna*

**Geometry**

Can someone show me how to solve this? Someone tried to explain it to me-I didn't get it.A line contains the points (3, -4) and (5, 2). Another line graphed in the same coordinate plane contains the points (0, 5) and (-2, -1). Based on the slopes of these lines are they ...
*July 24, 2007 by Jim*

**math**

this problem seems with too many numbers that i don't know where to start. or even how.I have to answer the problem on top not the one that says number 27. The problem: Geometry. For the floor plans given in exercise 27, determine whether the side through the points (2,3) and...
*December 22, 2006 by jasmine20*

**math**

how do i make slopes?
*December 10, 2008 by khadidrah*

**slopes**

what is the slope of the line (4,9) and (2,9)?
*October 1, 2014 by Sara*

**physics**

You and your friend are sledding on two sides of a triangle-shaped hill. On your side, the hill slopes up at 30.0° from the horizontal; on your friend's side, it slopes down at the same angle. You do not want to climb up the hill, so you tell your friend to thread a rope ...
*September 15, 2011 by Anonymous*

**precalc**

what are the slopes of the asymptotes of the hyperbola: (x^2)/9 - (y^2)/4 = 1
*February 24, 2008 by Kristen*

**I NEED HELP AND FAST!**

can anyone help me on finding slopes of a line?
*February 11, 2009 by anonymous*

**english**

The slopes of the mountain are covered with trees.
*November 11, 2010 by neshia*

**Physics**

I have a few questions to answer and I don't know how to start answering them. 1. On a position time graph, compare the instantaneous velocities of an object when the tangent to the curve slopes upward to the right, when the tangent slopes downward to the right, and when the ...
*February 3, 2011 by Sups*

**CALCULUS**

X2 + Y4 = 16 find the slopes of the 2 tangent lines to the curve from (5,1)
*October 8, 2010 by Michael*

**Calculus (derivatives)**

find the slopes at the indicated points y = 3 + 5x - 3x^3 (0,3), (1/2, 41/8), (2,-11)
*October 13, 2011 by Nemo*

**10th grade**

find the slopes for all four side J(-4,-1) K(-7,-4) L(2,-10) M(5,-7)
*January 21, 2010 by jake*

**geometry**

how do you find the perpendicular lines if on the graph are undefied and 0 slopes?
*February 2, 2011 by Jezebell*

**Math**

Since the slopes are the same in the below problem what does that mean? x= 4y - 1 x + 1 + 4y y= 1/4x + 1/4
*June 6, 2014 by Emily *

**Geometry**

Which pair of slopes could represent perpendicular lines? 1/7, 7 * 1/2, 2/4 –3/4, 4/3 (my answer or not?) 1/3, 1/3
*October 30, 2014 by Anonymous*

**economic**

Why do the production possibility frontier curve slopes downward and why it could be a line?
*January 11, 2008 by Dorin*

**math 10 slopes eqaution!!! HELP! please**

solve and comparison: a)4x-9y+4 6x+15y=-13 im so lost!!!!!
*March 15, 2009 by helpme!!!!!!!!!*

**Geometry**

Use the slopes of AB and CD to determine whether AB and CD are parallel, perpendicular, or neither. A(-8,5) B(-2,-4) C(6,0) D(0,-4)
*January 11, 2012 by Courtney*

**Math please check my answers?**

1) The linear function f(x) contains the points (-10, -29) and (-2, 83). If g(x) = 25x - 50, which statement is true? A. The functions f(x) and g(x) both have positive slopes. <<< B. The functions f(x) and g(x) both have negative slopes. C. The function f(x) has a ...
*May 22, 2014 by David*

**geometry**

The points L(4, 0),M(10, 0), and N(7, 5) form #LMN.What is the sum of the slopes of the three sides of the triangle?
*November 12, 2010 by jamie*

**Algebra**

The points L(4, 0),M(10, 0), and N(7, 5) form LMN.What is the sum of the slopes of the three sides of the triangle?
*December 7, 2010 by Raylon*

**geometry**

what is true about the slopes of two perpendicular lines niether of which is vertical?
*March 8, 2011 by sandy*

**pre-calculus**

tangents are drawn from the point (-4,0) to the circle x^2 +y^2 =1. find the slopes of the tangent.
*February 25, 2013 by yuia*

**geometry**

If two line are parallel and the slope of one of the lines is m, what is the product of thir slopes?
*November 11, 2009 by Anonymous*

**maths**

I don't understand exactly how you get the slopes of the graphs. May you please get it into details till the end.
*August 8, 2010 by MTHOMBENI BAFANA*

**Math**

A. L1: (0,-1), (5,9) L2: (0,3), (4,1) The lines are perpendicular because there slopes product equal -1. The point they intersect is (1.6,2.2).(Is this true and how do you solve it)
*February 9, 2011 by Khylisha*

**pre-calc**

True or false: Perpendicular lines have slopes that are reciprocals of one another.
*January 8, 2012 by nelly*

**Earth Science (Geography)**

In what way can the soils, geology and slopes affect river flow?
*October 28, 2013 by Faith*

**Geometry**

The three coordinate points are collinear. Use slopes to write aproportion to find the value of a. #38. (-4,1),(-1,2),(5,a) #39. (4,5),(1,2),(a,0)
*November 29, 2010 by chica*

**math**

Consider the function g(x)=x/x-7. a) Summarize the increasing and decreasing intervals. b) Compare the slopes of the tangents at the points where i) x=7.5 and x=20 ii) x=6.5 and x=-20
*December 15, 2013 by kavi*

**math**

*Consider the function g(x)=x/x-7. a)Summarize the increasing and decreasing intervals. b)Compare the slopes of the tangents at the points where i) x=7.5 and x=20 ii) x=6.5 and x= -20
*January 6, 2014 by kavi*

**Algebra**

Use slopes and intercepts to determine if the following system is consistent, inconsistent, or dependent. -4x - 5y = 20 -12x - 30y = 60
*November 3, 2011 by Christina*

**math**

Consider the function g(x)=x/x-7. a) Summarize the increasing and decreasing intervals. b) Compare the slopes of the tangents at the points where i) x=7.5 and x=20 ii) x=6.5 and x=-20 Do it for me please...
*December 27, 2013 by Krish*

**Geometry**

how do you find the orthocenter of a triangle with the vertices A(4,0) B(-2,4) C(0,6)? Please explain to me how you get x after doing point slope form for the two slopes.
*December 4, 2011 by Melanie*

**math-slopes**

>wat is an equation of the line that passes through the point (4,-6) >and has a slope of -3??? some one plzzz help me those are the choices >y= -3x+6 >y=-3x-6 >y=-3x+10 >y=-3x+14
*February 1, 2010 by nahla taher*

**Analytic Geometry**

Please help me to solve this problem. Find the equation of the locus of a moving point if the sum of the slopes of the line joining it to (1,3) and (4,-2) is 1.
*December 13, 2012 by xavier*

**algebra 1**

if you go from one point to the other do you subract the a and b or do you do all points in between to find the elevation? I'm not sure what this question refers to. Are you trying to calculate slopes?
*September 5, 2006 by jamie*

**geography **

why does the best place for a reservoir have to be a river valley in an upland area with steep sided slopes to act as natural walls. Why cant is be flat?
*March 12, 2011 by anonymous*

**Math**

Are the lines 3x-14y=9 and 14x+3y=3 parallel, perpendicular, or neither? Is it perpendicular because the slopes are -14/3,3/14
*February 3, 2010 by Jaison*

**Slopes**

How can I find the slope of a line when given two points??? slope=(y1-y2)/(x1-x2)
*August 22, 2006 by Anonymous*

**algebra**

compare the slopes and tell whether the lines are parallel. y = x + 2 and y = -x -3 can you tell me how to set up the problem so that I can do it.
*February 4, 2008 by Seth*

**Algebra**

If two lines are parallel and the slope of one of the lines is 3d, what is the product of their slopes?: a. -1 b. - d c. 9d2 d. 6d
*March 11, 2008 by Mike*

**science**

coralreefs are found on a continental shelves b trenches cabyssal plains d continental slopes
*February 22, 2009 by lisa*

**9th grade(math)**

if two lines are parallel and the slope of the lines is m,what is the product of their slopes?
*October 23, 2009 by Anonymous*

**algebra 1**

1. The points L(4, 0),M(10, 0), and N(7, 5) form Triangle LMN. What is the sum of the slopes of the three sides of the triangle?
*December 10, 2010 by C.*

**Lines and Slopes Math**

A line is perpendicular to x+3y-4=0 and has the same y-intercept as 2x+5y-20=0. Find an equation for the line
*January 6, 2011 by Mathew*

**Algebra 2**

a hyperbola is centered at (3,7). The vertices are (9,7) and (-3,7). The slopes of the aymptotes are m==/-5/6. Enter the equation of the hyperbola in the form: (x-h)^2/a^2-(y-k)^2/b^2=1
*May 14, 2012 by Nancy*

**science 1 question!!!**

1. How are continental glaciers different from valley glaciers? (1 point) Valley glaciers can flow in all directions as they move, while continental glaciers move down slopes already cut by rivers. Continental glaciers flow in all directions as they move, while valley glaciers...
*June 5, 2014 by TTR+S<3*

**math**

The slopes of the two lines are given. Conclude whether the lines are parallel, perpendicular, or neither. a)m=2/3,m=4/6 b)m=3/4,m=-4/3 c)m=2,m=-2 d)m=1,m=-1 e)m=1/5,m=0.2 f)m=2 1/4, m=-4/9
*January 24, 2010 by dylan*

**calculus**

The parametric curve x(t)=3cos(t) y(t)=7sin(2t) intersects itself at a point P=(x0,y0) where x0= y0= The slopes of the 2 tangents at this point are? THANK YOU!
*March 20, 2011 by leon*

**slopes**

Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). can you tell me how to do it and show the answer Thanks!
*April 26, 2013 by Mr.Brain*

**science**

Gentle slopes and rounded mountains are most often the result of 1 shifting of fault blocks 2 the age of the bedrock 3 coditions of climate 4 volcanoes and meteorites
*February 17, 2009 by Anonymous*

**ALgebra**

use slopes to show that the triangle with vertices (-2,7), (6,9) and (3,4) is a right triangle. write an equation of the line that has y-intercept 5/7 and is parallel to the graph of 6x-3y=1
*October 19, 2010 by jose*

**math**

Determine which tow equations represent perpendicular line. (a) y= 3/8 x -4 (b) y= 4x - 3/8 (c) y= - 1/4 x + 3/8 (d) y= 1/4 x - 3/8 b and c. Perpendicular lines have slopes which are negative reciprocals of each other. So 4 and -1/4 work.
*May 26, 2007 by Dee*

**chemistry**

explain why the pure solvent shows a level horizontal curve as solidification occurs, but the curve for the solution slopes downward slightly. ??
*December 16, 2007 by christianne*

**Pre Algebra**

I am having a problem with slopes and intercepts problems. Write each equation in slope-intercept form. Find slope and y-inercept. 3x - y = 14
*November 28, 2011 by Rosalind*

**Gr 10 math - finding slopes in shapes**

Is the slope 3/4 the same as -3/-4? In other words, do the negatives cancel each other out and become a positive number? Thanks!
*March 23, 2014 by iza*

**Algebra**

A building code regulation requires that the slope of the riser to the tread of a staircase be 60% with an absolute deviation of 10%. Find the maximum and minimum slopes of the staircase.
*August 3, 2012 by Kiri*

**calculus**

how would you find the median of a pdf picture it basically is a triangle with points (0,0) (6,.2) (10,0) do i need to find the slopes to find equations for the lines? thanks!
*April 7, 2008 by tia*

**Precalc**

A hyperbola has this Cartesian equation: -((x-2)/5)^2 + ((y+1)/3)^2 = 1 A. Find direction in which it opens. Horizontal? B. Find the coordinates of the center. I think it's (-2,1) or (1,-2)? C. Find the slopes of the asymptotes: m=+- ?
*January 20, 2012 by Grace*

**geomotry**

the quadrilateral named in parts a through d are parallelograms formed on the diagram at the right.give the coordinates for the fourth vertex.then calculate the slopes of the sides to show that the oppisite sides are parallel. how do you do that
*January 9, 2008 by bre*

**algebra**

Write the equation of the line satisfying the given condition. Perpendicular to y = 4x + 2 and passing through the point (0, -4) (Hint: Slopes of non-vertical perpendicular lines are negative reciprocal of each other.)
*July 17, 2011 by grace*

**General Science**

when comparing the force that is required to climb a mountain by walking up a tril that slopes gently upward to the top, vercus getting there by scaling a sheer vertical clifff face what's the best thing todo ?
*November 26, 2010 by any*

**geography**

natural banks which are sometimes built up by a river along the edges of its channel are called: a.river bluffs b.river cliffs c.levees d.slip-off slopes
*February 22, 2010 by Dina*

**Help 6!!!**

6. What happens to the graph of the line y = 3x -2 when the equation is changed to y = 3x +6? What do you think happens...how do the slopes compare? The y intercept changes, does it move the line up or down?
*October 13, 2006 by Margie*

**pre-algebra help**

Determine which two equations represent perpendicular lines. (a) y = 3/10x -3 (b) y= - 10/3x -3 (c) y = -1/5x + 3/10 (d) y = 1/5x – 3/10 Equations (a) and (b) are perpendicular t one another, because the product of the slopes is -1.
*June 10, 2007 by carol*

**Geometry**

m∠1 = 6x and m∠3 = 120. Find the value of x for p to be parallel to q. The diagram is not to scale. *114 *126 *120 *20 Find the values of x, y, and z. The diagram is not to scale. (38*, 56*,19*,x*,z*,y*) *x = 86, y = 94, z = 67 *x = 67, y = 86, z = 94 *x = 67, y = ...
*November 12, 2010 by Anonymous*

**math**

Explain the difference between the slopes of two parallel lines and the slope of two perpendicular lines.
*January 24, 2009 by Anonymous*

**Calc-slopes & concavity**

1. Let f(x)=x^3-3x+2 a.) Find the equation of the line tangent to the graph of y=f(x) at x=2 b.) For what values of x is the function increasing? c.) For what values of x is the graph concave down?
*January 23, 2011 by Andy*

**rate of change / slopes**

A line connecting (5, 6) to another point has an undefined slope. What is the closest point on this line with whole number coordinates below (5, 6)?
*May 27, 2011 by Chelsea *

**rate of change / slopes**

A line connecting (5, 6) to another point has an undefined slope. What is the closest point on this line with whole number coordinates below (5, 6)?
*May 27, 2011 by Chelsea *

**math 8**

Martin graphed the lines for a system of equations. His graph resulted in 2 lines with different slopes. Which of the following is true about this graph?
*July 1, 2011 by rober*

**Algebra 2**

Soo the equation is 25y^2-9x^2-200y-36x+139=0 and for the center is got (2,4) and the vertices I got (2,7) and (2,1) But i cant figure out how to find the slopes of the asymptotes and it wants the answer is reduced fraction please explain
*May 13, 2012 by Nancy*

**Math**

Let A, C be the endpoints of the diameter of a circle and B an arbitrary point on the circle. Using the slopes of secant lines show that \ABC is a right angle. You can assume the circle is centered at the origin.
*October 2, 2012 by Kole*

**Algebra**

3x - 2y = 6 , 2x + 3= 6 are perpendicular lines but i need 3 ordered pairs for each. I used the m= y2-y1/x2-x1 method to establish that the slopes = -1. Any suggestions for ordered pairs for each line is much appreciated.
*March 4, 2009 by Keisha*

**Math 9th grade slopes**

A line connecting (5, 6) to another point has an undefined slope. What is the closest point on this line with whole number coordinates below (5, 6)?
*May 27, 2011 by Chelsea *

**reading **

I KNOW what the caged bird feels, alas! When the sun is bright on the upland slopes; When the wind stirs soft through the springing grass, And the river flows like a stream of glass; When the first bird sings and the first bud opes, And the faint perfume from its chalice ...
*November 6, 2014 by 2phoneeeeee *

**Math - Slopes **

A carpenter is building a stairway. The depth of each stair is 10 inches. The height of each riser is 8 inches. WHat is the steepness (slope) of the stairway? Please show work.
*November 1, 2009 by Lila*

**Volcanoes**

Need some help on answering questions... 1. Arrange corn syrup, water, and vegetable oil in order of low to high visocisity. 2. Why do silica-poor magmas produce broad volcanoes with gentle slopes?
*October 24, 2007 by Wenmar*

**chemistry**

When titrating a strong acid with a strong base, which is true? 1. the titration curve slopes upward 2. an indicator that changes at pH 8 would be acceptable 3. the pH changes slowly at the equivalence point
*June 11, 2008 by bill*

**Math-Geometry**

I'm having trouble with these two questions about slopes and equation of a line: (A)-Find the slope of each segment (B)-Write an equation of the line that is determined by each pair of points 1. (0,0) and (6,-4) 2. (-3,2) and (7,-4) Thank you!
*February 20, 2010 by Sammi*

**science**

large, flat surfaces in which continental sediments settle are called _______. a) mid - ocean ridges b) continental slopes c) continental shelves d) abyssal plains e) continental margins c
*September 3, 2010 by pam*

**Physics**

Two blocks rest on slopes of unequal angles, connected by a rope passing over a pulley. If the blocks equal masses, will they remain at rest? Why? Neglect friction.
*October 14, 2012 by Anthony*