Sunday
December 21, 2014

Posts by Shen


Total # Posts: 11

algebra
a) let the width be a letter i.e. any letter of the alphabet, it doesn't matter although preferably w. b) w+3 for the new width, 2w+3 for the new length c) new width is 2+3 new length is 4+3, multiply together for the new area
July 16, 2012

Math
3x+7y=-5 (i) 4x-3y=8 (ii) (i)x 4: 12x+28y=-20 (iii) (ii)x 3: 12x-9y=24 (iv) (iv)-(iii): -37y=44 y=-44/37 subs y into (i): 3x+7(-44/37)=-5 3x= -5+308/37 x=148/37
July 16, 2012

English
They are all correct
July 16, 2012

English
I helped my mother iron some clothes. (iron not ironing) I went to a PC room and played Star Craft with others online. (online should be one word)
July 16, 2012

orgenic
n=m/M n=117/22.99+35.45
July 16, 2012

Trigonometry
1) (cos^2x+1+2sinx+sin^2x)/cosx(1+sinx) = 2+2sinx/cosx(1+sinx) = 2(1+sinx)/cosx(1+sinx) = 2/cosx = 2secx i'm going to assume you know the identities i.e. cos^2x+sin^2x=1 2) (cosx x cosx/sinx)/-sinx = cos^2x/sinx/sin^2x = cos^2x/-sin^2x = -cot^2x
July 16, 2012

Anthropology
Describe the correlation between bride wealth and stability of marriage. How is your understanding of this relationship impacted by the status of women in pastoral societies?
May 26, 2011

math
you are playing a card game with a full deck of 52 cards. you win if you draw a red card that is a multiple of 5. what are your chances of winning on your first draw?
March 24, 2011

math
probably
March 1, 2011

Trigonometry
How do you simplify these equations: 1.)(2/cot^3(x) - cot^2 (x)) + (2/cot (x)-2) 2.) (2/ tan^2 (x)) + (2/ tan(x) -2)
October 18, 2010

spanish
how do you talk obout you daily routine
June 18, 2008

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