Thursday
December 18, 2014

Posts by Hayden


Total # Posts: 136

Calc. Help
Simplify. #1. 5(2-i) - 3(4+3i) ..my work: 10-5i-12-9i -2-14i Do you leave this as the answer or can you simplify it further? #2. (2-i√2)²
August 26, 2010

Chemistry
What is the freezing point of a solution of AlCl3 that contains 55.0 g AlCl3 dissolved in 390 g of water?
June 16, 2010

4th grade math
Meg's dog Angel eats 4 1/4 c of food each day. Explain how Meg can determine how much food to give Angel if she needs to feed him only 2/3 as much. Need help solving.
March 24, 2010

math
How do I get a fraction to it's simplest form?
March 23, 2010

sew
What would life be like without Textiles
February 2, 2010

3rd grade English
the greatest City in the Midwest Is the words above capitalized correctly?
September 8, 2009

Science
Explain why the inside of cans are coated with a thin layer of tin or plastic.
July 23, 2009

4th grade
begin run ________________ begins runs began ran beginning running Read each column of words. Underline the root word in each word where an ending haas been addedmand circle the ending. Draw a box around the irregular form of the verb given. Can someone please help.
February 26, 2009

trig!!
sin^4 x (cos^2 x)=(1/16)(1-cos 2x)(1-cos4x) work one 1 side only!
February 23, 2009

TRIG!
Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6 x=1 - (3/4)sin^2 2x work on one side only! Responses Trig please help! - Reiny, Monday, February 23, 2009 at 4:27pm LS looks like the sum of cubes sin^6 x + cos^6 x = (sin^2x)^3 + (cos^2x)^3 = (sin^2x+cos...
February 23, 2009

trig help again i cant get any of these
sin^4cos^2x=(1/16)(1-cos 2x)(1-cos4x) work one 1 side only!
February 23, 2009

Trig please help!
(sin^2x+cos^2x)(sin^4x - (sin^2x)(cos^2x) + sin^4x) I DONT AGREE WITH THIS SHOULDNT IT BE (sin^2x+cos^2x)(sin^4x - (sin^2x)(cos^2x) + COS^4 X ??
February 23, 2009

Trig please help!
sin^6 x + cos^6 x=1 - (3/4)sin^2 2x work on one side only!
February 23, 2009

precalc and trig
i posted a sorry. i posted this twice on that one. And i dont understand how RS=LS and thanks
February 22, 2009

precalc and trig
cos^2 (a+x) -sin^2 a=cos x * cos(2a+x)
February 22, 2009

Precalc and trig
how does cos^2x(cos^2a – sin^2a) - 2sinacosasinx = cos^2x(cos^2a – sin^2a) – 2cosxcosasinxsina
February 22, 2009

Precalc and trig
thanks! i accidentally posted this twice
February 22, 2009

Precalc and trig
cos^2 (x+a)-sin^2(a)= (cos x)(cos (2a+x)) prove using only side i worked on the left side...
February 22, 2009

spanish help quick!!! i have to submit my answers!
so we are learning the pred. v imperfect but i dont know when to use which i sort of have an idea like habitual inturrupting etcetc but i get them all wrong El lunes pasado yo _tuvé__ una discusión con un compañero de clase. La discusión ...
February 21, 2009

AP Spanish
so we are learning the pred. v imperfect but i dont know when to use which i sort of have an idea like habitual inturrupting etcetc but i get them all wrong El lunes pasado yo _tuvé__ una discusión con un compañero de clase. La discusión ...
February 21, 2009

trig
find sin 2x if tan x=2 cosx>0
February 18, 2009

Trig
given sin(4x)=5/13 in Q II find Tan(2x) and cos(2x)
February 18, 2009

4th grade english
Blue whales and fin whales ( get or gets) to be over 80 feet long. Would the correct answer be get.
February 5, 2009

4th grade spelling
witness's witnesses' Is this the correct spelling for the two words above?
January 13, 2009

4th grade English
Would the word an be capital or lower case in an Apple a Day
November 23, 2008

4th grade English
Would an be capital or lower case an Apple a Day
November 23, 2008

4th grade English
a book titled an Apple a Day, would an and a be lower case or capital?
November 23, 2008

Physics help again!
A ball is thrown horizontally off a 35 m tall building. It hits the ground 80 m from the bottom of the tower. a. what is the balls time in the air [i got 2.67] b. what is its initial velocity? [i got 0] c. What is the magnitude and direction of its velocity as it strikes the ...
October 20, 2008

physics help!!
thank you!!
October 20, 2008

physics help!!
a plane moving horizontally at 120 m/s drops a package from an elevation of 240 m. How far did the package go before it hit the ground? Step by step directions please!
October 20, 2008

Finance
Which security offers a higher effective annual yield? a) a three month bill selling at $9764 b) a six month bill selling at $ 9539 And calculate the bank discount yield on each bill.
September 7, 2008

music
did the rich watch musicals when they first came out? who invented musicals?
June 9, 2008

art
can anyone help? i need to find out what relief means for my art homework
April 13, 2008

music
i need to find out what makes a good composer,i'm in year 11
April 4, 2008

science
what are the 5 branches of physics?
August 29, 2007

English
what is kravadar
April 23, 2007

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