Life cycle
The life cycle of the star is the transitions it undergoes from the time it start to function until the the time it stops functioning.
Answer:
Explanation:
Now for some explanations.
- sqrt(90)/sqrt(20) can be put under 1 square root sign.
- When you do that, 10 divides into both numerator and denominator.
- The sqrt(9) = 3
- The square root of 2 cannot be reduced, but you can rationalize it by multiplying top and bottom by sqrt(2)
3 sqrt(2)
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sqrt(2)*sqrt(2)
Answer
3 * sqrt(2)
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2
Answer:
20
Explanation:
number of protons+ number of neutrons= mass of atom
19+n=39
n=39-19=20
number of neutrons=20
It is the CARPATHIAN MOUNTAIN RANGE.
This 1,500 km-long range stretches west to east in an arc from the Czech Republic to Romania.
It passes through the countries of Czech Republic in the northwest through Slovakia, Poland, Hungary and Ukraine, to Romania and Serbia.
California has 3 cities with more than a million people.
Hope this helps.
:)