
pre calculus
In the rectangular coordinate system, each point (x, y) has a unique representation. Explain why this is not true for a point (r, Θ) in the polar coordinate system.
asked by john on December 7, 2016 
Math
Which of the following is another representation of the polar coordinate 9, 90 degrees? Is it 9,270 degrees
asked by Anonymous on January 9, 2015 
precaculus
Convert the rectangular coordinate (2,2) to polar form and find two additional representations of this point. Can you check my work and explain how to finish the question? r=√(2)2+(2)2 r=2√2 tan theta = (2)/2 theta = 1 polar coordinate= (2√2, 1)
asked by Anonymous on December 12, 2016 
Precalculus URGENT
Convert the rectangular coordinate (8,i (square root of 3) into polar coordinates. How do I do this?? I tried every way I knew of to convert the y coordinate (i (square root of three)) to polar form, but it didn't work. I think that the polar form of the
asked by Ellie on September 13, 2015 
PreCalc
I posted yesterday and didn't get a response so I'm hoping someone can check these todayThank you they are polar coordinate questionsMy answers are her I just need them checked 1.Which of the folowing is another representation of (3,pi)? (3,120degree)
asked by Jonathan on September 28, 2011 
math
plot the given polar coordinate and find three additional polar representations of the point. (3, (5*pi) /6))
asked by gowthami on March 7, 2011 
Trig
Find three additional polar representation of the point (3, pie over 6) given in polar coordinates,using 2 pie
asked by Sasha on May 20, 2010 
pre calc.Math
Please help me any one of these please! Thank You to any one r=26 cos(θ) convert this polar coordinate equation into an equation in rectangular coordinates(x,y) given (8,8) convert this point into polar coordinates with 6 >= 0 and 0
asked by Ann on July 12, 2011 
chemistry
Determine if it is polar or nonpolar molecule: C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar polar Nonpolar nonpolar polar Nonpolar are my answers correct???? No one has answered this question yet.
asked by nadira on March 5, 2013 
CHEMISTRY
Determine if it is polar or nonpolar molecule: C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar polar Nonpolar nonpolar polar Nonpolar are my answers correct????
asked by nidscorection on March 5, 2013 
calculus
for what value of r=4sinè have vertical tangent? In polar coordinates? Theta=90 deg is vertical. I do not know if you know how to differentiate polar coordinate equations so I changed your equation from polar to rectangular form, I don't know if that is
asked by mary on April 26, 2007 
bio (plasma membrane)
I understand that the plasma membrane is composed of a polar head and non polar tail. I read in my textbook that small nonpolar molecules readily pass through and that polar and nonpolar repel. so how do nonpolar substance pass the the polar head?
asked by lou on February 19, 2011 
CHEMISTRY
Determine if it is polar or nonpolar molecule: C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar Nonpolar polar Nonpolar are my answers correct????
asked by nidscorection on March 5, 2013 
Maths  Polar Coordinate Systems
I've received an assignment to investigate the polar coordinate system compared to the cartesian one. Theres a question that asks you to investigate into how to convert polar coordinates into cartesian. From my text book, I know in Polar coordinates, that
asked by BM on October 25, 2008 
Maths
Find the polar representation of √2 ¡√2
asked by Nomis on March 30, 2018 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by raja harishchandra on June 13, 2013 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by Anonymous on June 13, 2013 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by raja harishchandra on June 11, 2013 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by anonymous on June 14, 2013 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by raja harishchandra on June 12, 2013 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by raja harishchandra on June 13, 2013 
science
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by Abhishek on June 13, 2013 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by rishabh on June 10, 2013 
science
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by raja harishchandra on June 14, 2013 
physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is
asked by Anonymous on June 14, 2013 
Chem
Is a CH bond polar or nonpolar? Is a CCl bond polar or nonpolar? I have different sources giving me different ranges. One says that anything with an electronegetivity of 0.5 or less is nonpolar and I have anothre source saying anything 0.3 and less is
asked by Lena on July 8, 2009 
History
Which of the following issues was resolved by a major compromise at the Constitutional Convention? A. representation in the executive branch B. representation in the legislative branch C. representation in the judicial branch D. representation in
asked by U DONT KNOW ME on March 15, 2019 
Drawing polar curve
How do you draw a polar curve? For example, r=2+cos2(thetha) You need to plot points where theta varies from 0 to 2pi, unless you have a graphing program (which I do). Your example looks like 2 overlapping circles. so u mean that it can't be drawn by hand?
asked by J. on September 26, 2006 
Chemistry
can you please tell me if I have the correct molecule type PO4 3 polar SO3 polar NO2 polar BrCl polar
asked by Dory on June 2, 2014 
AP Physics
Consider the vectors A = 2.00 i + 7.00 j and B = 3.00 i  2.00 j. (a) Sketch the vector sum C = A + B and the vector subtraction D = A  B. (b) Find analytical solutions for C and D first in terms of unit vectors and then in terms of polar coordinates,
asked by Paige on August 30, 2012 
math
Evaluate(2+j4)*(3j4) and express in polar coordinate fform
asked by saurabh on July 27, 2015 
calculas
Write following equations in polar coordinate then graph them Y=4X
asked by preet on March 5, 2013 
calculus
find the volume of solid inside the paraboloid z=9x^2y^2, outside the cylinder x^2+y^2=4 and above the xyplane 1) solve using double integration of rectangular coordinate. 2) solve using double integration of polar coordinate 3)solve using triple
asked by AIRA on May 10, 2014 
Chemistry
Are all/most organic compounds non polar? Not all, certainly. Many are nonpolar. Most, I don't know. It all depends upon how you define most. Acids, acid chlorides, amines, phenols, ketones, aldehydes, and the like are polar. There are a bunch of those
asked by Gabriela on April 26, 2007 
Math
Give three additional polar coordinate pairs for the Point B: (3,2π/3). 2 < π < 2
asked by Taylor on May 12, 2015 
american politics
The Great Compromise: A. established representation based on population in the Senate. B. allowed state legislatures to choose House members. C. created the mechanism to end slavery. D. solved the problem of representation by big and small states through
asked by Bev on September 3, 2015 
Trigonometry
consider the polar coordinates (3,4pi/3). Find the equivalent rectangular coordinate.
asked by Hailey Lepire on May 15, 2017 
PreCalc
Please check my answers;This are polar coordinates we're studyingI'm almost positive the first two are correct. 1.Which of the folowing is another representation of (3,pi)? (3,120degree) (3,0 degree)I think it is this one?? ((3,0 degree) 2.Which is not
asked by Jonathan on September 27, 2011 
PreCalc
Please check my answers I really need to do my homeowrk!;This are polar coordinates we're studyingI'm almost positive the first two are correct. 1.Which of the folowing is another representation of (3,pi)? (3,120degree) (3,0 degree)I think it is this
asked by Jonathan on September 27, 2011 
PreCalcPlease check I'm desperate
Please check my answers I really need to do my homeowrk!;This are polar coordinates we're studyingI'm almost positive the first two are correct. 1.Which of the folowing is another representation of (3,pi)? (3,120degree) (3,0 degree)I think it is this
asked by Jonathan on September 27, 2011 
precalc
what does multiplying a complex number by a real number do to its polar representation?
asked by Lindsay on February 21, 2008 
Trig
Find the polar coordinates of (8, –8) for r ≥ 0. I am getting 8 square root of 2 as the first coordinate. I am not sure if I am finding the arctan correctly.
asked by Dara on August 15, 2011 
Math (Trig)
Convert the Cartesian coordinate (1,2) to polar coordinates, 0≤θ
asked by Giovanni on May 16, 2016 
Trigonometry
1)Find the polar coordinates of the point whose rectangular coordinates are (4, 4). 2)Find the polar coordinates of the point whose rectangular coordinates are (3,3). 3)Find the rectangular coordinates of the point whose polar coordinates are (4, ð/6)
asked by Theresa on July 4, 2007 
Orgnic chemistry
Some molecules w/ non polar bonds like CS and CI when exposed to a highly polar environment may assume polarity Due to vacant d orbitals of S (i don't get this. So if it has a lot of vacant orbitals it will be polar?) big atomic radius of I (please
asked by jane on July 10, 2015 
Chemistry polarity
Is 2,4Hexadiyne1,6diol a polar or nonpolar compound? I think it is nonpolar, based on the the high retention factor (0.89) I got from the TLC.
asked by Sally on May 1, 2016 
college chemistry
If i have a highly polar mobile phase, what will happen to the nonpolar or less polar compounds during chromatography? will they move less up the TLC plate or actually even more because the mobile phase itself is so polar.
asked by Anonymous on February 12, 2013 
chem
choose the compound below that contains at least one polar covalent bond, but is nonpolar a. ICl3 b SeBr4 c. CF4 d. HCN Im stuck between C and D C is a tetrahedral which has no net dipole so is non polar, and D is linear which also makes it non polar.
asked by natash on May 1, 2008 
ALGEBRA
Find the coordinates of the midpoint for the following equation: y = 2x^2 + 20x + 1. Your answer should be in the form (xcoordinate, ycoordinate). (Hint: Find the xcoordinate by using the Midpoint Formula [b / (2a)]. Then find the ycoordinate by
asked by GGIFT on March 28, 2010 
Chemistry
Find the polar coordinate of the following. (0,6) I know r = sq.root of 6 but tan theta = 6/0 doesn't exist so how will I find the degree? Thanks
asked by Shadow on May 19, 2013 
Chemistry
Which of the following statements is (or are) true? I. All polar molecules have dipole moments. II. All polar molecules have oppositely charged regions. III. A polar molecule is attracted to other molecules because of electrostatic forces. IV. All polar
asked by Cortney on March 18, 2015 
PreCal
A surveyor records the polar coordinates of the location of a landmark as (40, 62°). What are the rectangular coordinates? Round each coordinate to the nearest hundredth.
asked by Jack on September 3, 2011 
math,algebra II
can someone show me examples of what is a practical application of matrices or matrix operations that can be used in a realworld situation. Simple example: Coordinate transformation. An object is located at coordinates (x,y,z) in your coordinate system,
asked by jas on June 5, 2007 
Chemistry
I would like to make sure these answers are correct, the question is what kind of molecule are the following H2 nonpolar HBr polar BrCl polar NH3 polar CCl4 nonpolar
asked by Dory on June 2, 2014 
CHEM
Which statement best describes the polarity of SF_4Cl_2?? (or: SF4Cl2, if that helps more) 1. Always polar. 2. Always nonpolar. 3. Depending on the arrangement of outer atoms, this molecule could be polar or nonpolar. & how can you tell for certain??? I
asked by K on November 26, 2007 
calculus
Find the surface area of the part of the sphere x^2+y^2+z^2=a^2 inside the circular cylinder x^2+y^2=ay (r=a*sin(θ) in polar coordinates), with a>0. First time posting on this website, sorry for the lack of details on my attempts but I am really not sure
asked by Johnnie on March 10, 2014 
Social Studies
Which of the following was a reason that nationalism spread through Europe in the 1800s? • A. new territorial borders • B. resistance to Napoleon • C. the spread of Christianity • D. establishment of democratic governments** What was the main
asked by Demon Queen on November 19, 2018 
Chemistry
If the gas chromatograph is polar, and a mixture of a polar compound and a nonpolar compound is injected. Which one of the two compounds will have a higher retention time? Why?
asked by Ella on April 3, 2012 
Geography
What is not an example of Reapportionment? A. Rust Belt states losing representatives B. Sunbelt states gaining representatives C. Redistricting with equal representation D. Gerrymandering without equal representation E. MajorityMinority district with
asked by Anonymous on April 2, 2016 
Geography
What is not an example of Reapportionment? A. Rust Belt states losing representatives B. Sunbelt states gaining representatives C. Redistricting with equal representation D. Gerrymandering without equal representation E. MajorityMinority district with
asked by Anonymous on April 2, 2016 
math
A,B are two points on a given line L.L is the midpoint of the section AB. find the coordinate of point B if the coordinate of A=7 and the coordinate of L=4
asked by Sabra on December 5, 2010 
math
A,B,C are points on the line L, the coordinate of B=2, c is a point that divides AB in the ration 2:3.if the coordinate of C=4, find the coordinate of A
asked by Sabra on December 5, 2010 
chemistry
what is the difference between polar bonds and polar molecules. i know a polar bond is a bond between two dipoles? what are polar molecules? wouldnt it be the same?
asked by tran on September 21, 2009 
chemistry
2. Create a visual representation of ionic substances to connect the microscopic structure of ionic substances to each of the following macroscopic properties. a. Solubility in polar compounds (1 point) b. Brittleness (1 point)
asked by Morgan on February 6, 2015 
Math 6th grade
I do not understand verbal representation. Graphic re presentation? Numerical representation?
asked by Nicole on November 15, 2015 
chemistry
2. Create a visual representation of ionic substances to connect the microscopic structure of ionic substances to each of the following macroscopic properties. a. Solubility in polar compounds (1 point) b. Brittleness (1 point) Please explain how to do
asked by Morgan on February 7, 2015 
Math ! Please Help !
1.Graph the polar equation r=32sin(theta) 2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular coordinates of (7, 30°). 4. Write the rectangular equation in polar form. (x – 4)2 + y2 = 16 5. Write the equation –2x + 6y =
asked by Becca on February 26, 2013 
Calculus please help !
1.Graph the polar equation r=32sin(theta) 2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular coordinates of (7, 30°). 4. Write the rectangular equation in polar form. (x – 4)2 + y2 = 16 5. Write the equation –2x + 6y =
asked by Becca on February 26, 2013 
Precalculus; urgent ! Please help !
1.Graph the polar equation r=32sin(theta) 2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular coordinates of (7, 30°). 4. Write the rectangular equation in polar form. (x – 4)2 + y2 = 16 5. Write the equation –2x + 6y =
asked by Becca on February 26, 2013 
chemistry
Is 3:1:1 hexane/acetone/acetic acid a more polar or nonpolar solvent? more polar or nonpolar solvent than what? 3:1:1 hexane/acetone/acetic acid would be considered quite a polar solvent mix. But as DrBob says more polar than with what?
asked by sue on April 25, 2007 
CHEMISTRY PLEASE HELP!!!
Hello, I am wondering what exactly characterizes a polar molecule. Are all polar molecules charged? How do you tell if an uncharged molecule is polar? Thank you so much!
asked by Bobbi on May 15, 2010 
CHEMISTRY
Hello, I am wondering what exactly characterizes a polar molecule. Are all polar molecules charged? How do you tell if an uncharged molecule is polar? Thank you so much!
asked by Bobbi on May 14, 2010 
Precalculus
Every point in the plane has exactly two polar coordinates. A)The statement is true because every point in the plane has a unique polar representation. B)The statement is false because left parenthesis r comma theta right parenthesis equals left
asked by Brian on January 12, 2017 
Chemistry (Chromatography)
Comment on the order of elution of the following solutes in (a) normal phase and (b) reversed phase liquid chromatography. Give reasons why. Solute X  nonpolar Solute Y Polar, a dipole Solute Z  Polar, more polar than solute Y I understand that
asked by Joshua on January 13, 2015 
anonymous
what atoms usually form coordinate covalent bonds i couldn't find this anywhere also i just want to make sure is the electronegativity difference range for polar covalent bonds .4  2.1 paulings?
asked by lyne on June 7, 2009 
chemistry
my teacher told me that polar bonds have a difference in elecronegativities of .42.1 is that the only way to find if a bond is polar? also how would you find out if the MOLECULE is polar or not?  i think i remember my teacher saying something about
asked by lyne on May 5, 2009 
Science
To make a largescale representation of a hydrogen atom in its ground state, you start with a super ball (D=3.78 cm) to represent the nucleus. How far away, R, in km will you have to put the representation electron?
asked by phylh on September 7, 2012 
Physics
To make a largescale representation of a hydrogen atom in its ground state, you start with a super ball (D=3.78 cm) to represent the nucleus. How far away, R, in km will you have to put the representation electron?
asked by serin130 on September 7, 2012 
physics
To make a largescale representation of a hydrogen atom in its ground state, you start with a super ball (D=3.74 cm) to represent the nucleus. How far away, R, in km will you have to put the representation electron?
asked by arcos15 on September 7, 2012 
physics
To make a largescale representation of a hydrogen atom in its ground state, you start with a super ball (D=3.74 cm) to represent the nucleus. How far away, R, in km will you have to put the representation electron?
asked by arcos15 on September 7, 2012 
Math homework help
Check out the polar coordinate pairs that label the same point. Several pairs may be possible. A) (2, 2pi/3) B) (2, pi/3) C) (3, pi) D) (2, 7pi/3) E) (3,0) F) (3,0) G) (2, pi/3) H) 3, 2pi)
asked by Don on May 17, 2014 
Physics
To make a largescale representation of a hydrogen atom in its ground state, you start with a super ball (D=4.00 cm) to represent the nucleus. How far away, R, in km will you have to put the representation electron? R=____km
asked by Natalie Delgado on September 7, 2012 
science(chem)
statement from my text says: "like disolves like", This rule is most commonly applied to polar and nonpolar compounds. According to this rule, a polar solvent will dissolve polar(or ionic) compounds and non polar solven will dissolve nonpolar compounds.
asked by ~christina~ on September 2, 2007 
Math (Calculus)
Given any Cartesian coordinates, (x,y), there are polar coordinates (r,theta) with –pi/2< theta < pi/2. Find polar coordinates with –pi/2 < theta < pi/2 for the following Cartesian coordinate: If (x,y) = (11,–7) then (r, theta)=( ____, _____ ) I was
asked by Amy on June 2, 2011 
precalculus
Let z1= 33sqrt 3i and z2= 11+i. write all answers in polar form with 0< theta< 2pi A. what is z1 in polar form? B. what is z2 in polar form? C. what is z1z2 D. what is z1/z2 E. what is (z1)^5 F. what is (z2) ^1/4
asked by JGF on March 22, 2015 
precalculus
Let z1= 33sqrt 3i and z2= 11+i. write all answers in polar form with 0< theta< 2pi A. what is z1 in polar form? B. what is z2 in polar form? C. what is z1z2 D. what is z1/z2 E. what is (z1)^5 F. what is (z2) ^1/4
asked by JGF on March 22, 2015 
Chemistry
How does the three dimensional structure of SP3 bonds of Carbon, Nitrogen, Oxygen and Fluorine cause them to form polar or nonpolar molecules? The answer must include a 3d diagram of the molecules, and a discussion of the effect of their electron
asked by Carl on November 16, 2017 
5th grade math word problems
abby has been practicing for her soccer game. She has been running 5/8 of a mile every day for 4 days. How many total miles does she run?Use a representation and write an equation. I do not understand what a representation is and would I multiply fractions
asked by reid on November 18, 2015 
geometry
The coordinate of the midpoint of segment AB is (3, 2). Find the coordinate of A if the coordinate of B is (0, 2). A = (6,2) (3/2,2) (3,2)
asked by dana on January 16, 2012 
Math
Point T is the midpoint of line JH. The coordinate of T is (0, 5) and the coordinate of J is (0, 2). The coordinate of H is: (0, 8) (0, 3) (0, 7) (0, 11)
asked by Della on January 16, 2012 
Physics
An 80 kg hunter gets a rope around a 400 kg polar bear. They are stationary and on frictionless level ice, initially 60 m apart. When the hunter pulls the polar bear to him, the polar bear will move: 1. 10 m 2. 30 m
asked by Anonymous on April 7, 2016 
Physics
An 80 kg hunter gets a rope around a 400 kg polar bear. They are stationary and on frictionless level ice, initially 60 m apart. When the hunter pulls the polar bear to him, the polar bear will move: 1. 10 m 2. 30 m
asked by PLS HELP!! on April 9, 2016 
Chemistry
How do you know if a molecule is polar? Would CH2Cl2 be polar or nonpolar?
asked by Katie Y. on November 8, 2009 
Chemistry (Chromatography)
Comment on the order of elution of the following solutes in (a) normalphase and (b) reversedphase liquid chromatography. Give reasons for the difference. Solute X nonpolar Solute Y polar, a dipole Solute Z polar, more polar than Solute Y
asked by Jacob on January 24, 2015 
PreCalc
Can anyone direct me to learn more about polar coordinates. I'm in online college course and really am confused. In high school, I never heard of polar coordinates. Like they say is the following the graph of point (3,15) and show it on polar gridI don't
asked by Thomas on September 24, 2011 
chemistry
hi, I am wondering if benzyl acetate is polar or nonpolar? because it has a non polar benzene ring but also it has the ester bit attached so i am confused. Also i cant seem to understand the vander waal forces that are in it. if anybody could help that
asked by steff on December 18, 2006 
Art
Discuss the representation of the human body by the Egyptians and the Greeks. What are the similarities and differences between the two? What does the sculptural representation of the human form say about each culture?
asked by Amberina on August 18, 2009 
Art
judging from this architectural structure, which of the following is not one of its main roles of art? A. creation of entertainment B. aesthetic representation C. financial incentive D. historical/ cultural representation what is the main role of this
asked by Adri help ASAP on January 27, 2016 
biology
polar molecule are soluble in water. how does this activity demonstrate polarity of molecule that contain the OH group. our activity was to do an experiment mixing 2 diff liquids together to see if they dissolve and tell if its polar or nonpolar. 1. water
asked by Reina B. on November 12, 2013 
Calculus Please Help
Let f(x)=e^(2x)kx, for k greater than 0. Using a calculator or computer, sketch the graph of f for k=1/9, 1/6,1/3,1/2,1,2,4. Describe what happens as k changes. f(x) has a local minimum. Find the location of the minimum. x= ____ Find the ycoordinate of
asked by Eva on April 6, 2011