Answer:
6
Step-by-step explanation:
Answer:
36.5%
Step-by-step explanation:
36.46 but rounded to the nearest 10th tehe
This is the concept of arithmetic. To calculate the percentage of time life has existed we proceed as follows;
According to history:
The age of earth is 4.6 billion years
the age of life is as it appeared from unicellular is 3.8 billion years.
thus the percentage of the above will be:
3.8/4.6 x 100
=0.82609x100
=82.609%
Answer:
infinite solutions
Step-by-step explanation:
Hello!
Since 3r - 5 is on both sides of the equation we can put any number in for r and it would still be true so the answer is infinite solutions
The answer is infinite solutions
Hope this helps!
Answer:
Area: 38 cm^2 Perimeter: 28 cm
Step-by-step explanation:
blegh
