Acube has side length aa. the side lengths are decreased to 20% of their original size. write an expression in simplest form for the volume of the new cube in terms of aa.

Volume of cube = 0.0008a³ unit³                        

Step-by-step explanation:

Let the side length of the cube be a units

Now, The side length of the cube is decreased by 20%

So, New side length of the cube = a - 20% of a

⇒ New side length of the cube = a - 0.20 × a  

⇒ New side length of the cube = a - 0.2·a

⇒ New side length of the cube = 0.8·a

Now, volume of the cube is given by the formula : Volume = (Edge)³

⇒ Volume of cube = (0.8a)³

⇒ Volume of cube = 0.0008a³ unit³                        

answer: it's d

step-by-step explanation:

1. x> -5

2. x< 8

step-by-step explanation:

1. 2x> -10

divide by 2 from both sides of equation.

2x/2> -10/2

simplify, to find the answer.

-10/2=-5

x> -5 is the correct answer.

2. 3x< 24

divide by 3 from both sides of equation.

3x/3< 24/3

simplify, to find the answer.

24/3=8

x< 8 is the correct answer.

i hope this you, and have a wonderful day!