Dead leaves accumulate on the ground in a forest at a rate of 5 grams per square centimeter per year. at the same time, these leaves decompose at a continuous rate of 75 percent per year. a. write a differential equation for the total quantity qof dead leaves (per square centimeter) at time t: dqdt=equation editorequation editorb. sketch a solution to your differential equation showing that the quantity of dead leaves tends toward an equilibrium level. assume that initially (t=0) there are no leaves on the ground. what is the initial quantity of leaves? q(0)=equation editorequation editorwhat is the equilibrium level? qeq=equation editorequation editordoes the equilibrium value attained depend on the initial condition? a. yesb. no

the mean and mad

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i think the answer is seven, for if i'm being useless °ω°

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answer:

total cost for tiles and paints is $924.  

step-by-step explanation:

we have been given that a community hall is in the shape of a cuboid. the hall is 40m long 15m high and 3m wide.

the paint will be required for 4 walls and ceiling.

let us find area of walls and ceiling.

therefore, the area of walls and ceiling is 1410 square meters.

given: cost for 10 litre of paint is $10 and 10 litre paint covers 25 square meter. therefore,

therefore, the total painting cost is $564.

tiles will be required for floor. let us find the area of floor.

given: 1m squared floor tiles costs $3. so,

therefore, the total tiles cost is $360.

now let us find combined total cost of tiles and paint.

therefore, the combined total cost of tiles and paint is $924.

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