Remember you can' do anything to boht sides, but when times negative, flip sign
distributive property
a(b+c)=ab+ac

distribute the -4
-8+4x

now we have
2x<8-8+4x
2x<4x
minus 2x both sides
0<2x
therefor
0<x

answer is x>0

5 0

4 years ago

12 m/min equals how many cm/s?

victus00 [196]

Equals meter minute 20 cm/s

7 0

3 years ago

The mean radius of earth is 6,371.0 kilometers and the mean radius of Earth's Moon is 1,737.5 kilometers.What is the approximate

Dmitrij [34]

D≈2π(6371-1737.5)

d≈9267π

d≈29113.1km (to nearest tenth of a kilometer)

4 0

4 years ago