Friday
July 29, 2016

Posts by Amira

Total # Posts: 25

vulindlela s.s.s
no becouse i don't think they read too much about ather countries
May 20, 2016

Math
A student reads 45 pages in 2 h and x pages in 3 h.
January 27, 2016

math
A spring is attached to the ceiling and pulled 6 cm down from equilibrium and released. After 4 seconds the amplitude has decreased to 3 cm. The spring oscillates 15 times each second. Assume that the amplitude is decreasing exponentially. Find an equation for the distance, D ...
November 2, 2015

math
A spring is attached to the ceiling and pulled 12 cm down from equilibrium and released. The amplitude decreases by 8% each second. The spring oscillates 17 times each second. Find an equation for the distance, D the end of the spring is below equilibrium in terms of seconds, t.
November 2, 2015

math
Mbali has to add the following numbers but her calculator does not have a fraction key, help her to add numbers using her calculator 3 1/9;2 5/6-21/4;1 1/5
August 19, 2015

Math
Jane used one fifths on her shoes and two thirds on her dress and she was left with R60.00 how much did she have altogether
August 14, 2015

math
The terms 4x + 36, 2x - 6, and 3x - 27 are consecutive terms in an arithmetic sequence. What is the value of x ?
October 25, 2013

math
anni bought 4 bags of grapes. each bag has 19 grapes how many are in all . PS use multpulcation to solve
December 28, 2012

c++
Distance between two 3-D points. Given two points in space (3-dimensional), find the distance between them. The user will input the coordinates (x,y,z) of the two points and your program will calculate and display the distance between the points.
October 24, 2012

CHEM
why should the maximum percent yield never be above 100%
August 5, 2012

reiny
reiny why are you so smart thanks for aswering my question
July 25, 2012

algebra 1
how do you know when the line crosses the y axis while doing y interept, slope
July 25, 2012

physics
mercury has a density of 1.36x10^4 kg/m. what is the density of mercury in units f g/cm?
September 5, 2011

nutrition
nutration difintion invituminsc and folate
May 17, 2011

chemistry
calculate the heat required to raise the temperature of 100g HCl gas (m.wt = 36.5) from 300k to 800k at constant pressure (Cp=30k/j.mol
January 4, 2011

chemistry
calculate the heat required to raise the temperature of 100g HCl gas from 300k to 800k at constant pressure Cp = 30j/k mol
January 4, 2011

12th grade
Thank you! you are correct @carey
November 29, 2010

5th grade
mat ran 1/5 mile less on monday then on tuesday. he ran 1/2 mile less on wednesday than he did on monday. he ran 7/10 mile more on friday than on wednesday. if matt ran 4/5 mile on friday, how far did he run on tuesday?
October 15, 2010

chemistry
what is diamond a homogeneous or heterogeneous
September 4, 2010

math
657
May 9, 2010

geometry
BD is a perpendicular bisector of triangle ABC. XZ is a perpendicular bisector of triangle WXY. Triangle ABC is similar to triangle WXY with a scale factor of 1:2. Part I. Find BD, AB, WZ, XZ and WX. Part II. What is the scale factor of the perimeters of triangle ABC and ...
April 29, 2010

trig
find the value of cosec(-120 degrees)
April 10, 2010

Math, please check work
A bag contains 4 yellow marbles and 6 green marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn. What is the probability that the first marble is green and the second one is yellow?
February 21, 2010

3rd grade
answer c
November 11, 2008

Social Studies
whatis the characterictics of a civilization?
October 9, 2007

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