# 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?