Answer: 720
Step-by-step explanation:
From the question, we are informed that cthe researches counted 400 turtles, of which 20 were marked. This implies that 20/400 = 1/20 were marked.
If the researchers wanted to track the reptile population around a lake, and the researchers marked 36 turtles, the estimate of the total population will then be:
1/20 × x = 36
x/20 = 36
x = 20 × 36
x = 720
The turtle population is 720
2mn - 3m + 8n - 12
Let's group the first two terms together and the last two:
2mn - 3m and 8n - 12
In the first group, m is the greatest common factor.
m(2n - 3)
In the second group, 4 is the greatest common factor.
4(2n - 3)
Therefore, (m + 4) and (2n - 3) are our factors. Our missing term is 2n.
Answer: 1/2, 4/8...
Step-by-step explanation: because the least factor is 1/2 so all the numbers and their multiplicity of 2.
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