Step-by-step explanation:
Solutions, colloids and suspensions are the three main classifications of a mixture based on sizes of the particles.
- A solution is a homogeneous mixture of solutes and solvents.
- Suspensions are mixtures of small insoluble particles of a solid in a liquid or gas.
- Colloids are homogeneous mixtures of two phases.
Solutions have the following characteristics:
- The size of particles is small
- The particles do not settle on standing.
- The particles pass through ordinary filter papers.
- They are clear and do not have color.
- They do not scatter light
Suspensions have the following properties:
- The particles dispersed are large
- They settle on standing.
- The particles do not pass through ordinary filter papers
- They do not pass through permeable membrane
- They are visible with microscope or naked eyes.
- They are cloudy
- Scatters light.
Colloids have the following properties:
- Their particles are between those in solutions and suspensions.
- Their particles do not settle on standing.
- Their particles pass through ordinary filter paper.
- They do not pass through permeable membranes.
- Scatters light
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Let the smaller number be x.
larger number: 22+x
x+(x+22)=62
2x+22=62
2x=62-22
2x=40
x=40/2
x=20
The smaller number is 20 and the bigger number is 22+20= 42
Hope I helped :)
Set up a proportion; the percentage is always over a 100. then, cross multiply.
90 180
? 100
Answer: x = 0
Step-by-step explanation: x+5=−5x+5
Add 5x to both sides.
x+5+5x=5
Combine x and 5x to get 6x.
6x+5=5
Subtract 5 from both sides.
6x=5−5
Subtract 5 from 5 to get 0.
6x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since 6 is not equal to 0, x must be equal to 0.
x=0
