Posts by amira

Total # Posts: 29

Math
Amira is painting a rectangular banner 2 1/2 yards wide on a wall in the cafeteria.The banner will have a blue background.Amira has enough blue paint to cover 1 1/2 square yards of a wall.

Science
I need help too. Are you in CCA?

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

Math
A student reads 45 pages in 2 h and x pages in 3 h.

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 ...

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.

Is this right Ms Sue ???
I think the answer is C

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

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

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

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

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.

CHEM
why should the maximum percent yield never be above 100%

reiny
reiny why are you so smart thanks for aswering my question

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

Chemistry
Di 3.456+*(9)

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

nutrition
nutration difintion invituminsc and folate

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

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

12th grade
Thank you! you are correct @carey

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?

chemistry
what is diamond a homogeneous or heterogeneous

math
657

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 ...

trig
find the value of cosec(-120 degrees)

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?

3rd grade
answer c

Social Studies
whatis the characterictics of a civilization?