Let's find all the prime numbers.
1,3,5,7,9,11,13,15,17,19
They are not divisible by 2.
Put that into a fraction, where the amount of numbers is the numerator and the total amount of numbers is the denominator.
10/20
That is half of 20.
So, 50% of the 20 first natural numbers are prime.
I hope this helps!
~cupcake
Answer: 47 feet
Step-by-step explanation:
Originally the scuba driver was 31 feet below the surface of the water.
She then dives down a further 16 feet. The depth below the surface is now:
= 31 + 16
= 47 feet
The Scuba driver is now 47 feet below the surface of the water so if she had to come back to the surface, she would have to rise that 47 feet to get to the surface.
The arc would be 95 because of the vertical angle
<span>This is the term used to describe economic systems in which the basic economic questions are answered based on a socially, pre-established way.</span>
Answer:
Step-by-step explanation:
Pythagorean theorem
a² = 5² - 3² = 16
a = √16 = 4
