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3 years ago

6

Using six random samples, the average number of catfish in the samples was 5.7. If the total population of fish in the pond is 2

00, the proportion of catfish in the pond will be 5.7 20 = x 200 . What is the predicted number of catfish in the pond? 50 POINTS

2 answers:

lutik1710 [3]3 years ago

5 0

Answer:10

Step-by-step explanation:

larisa [96]3 years ago

4 0

Answer:

57

Step-by-step explanation:

Just took the assignment

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3 years ago

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ExtremeBDS [4]

Answer:

$x=\frac{3}{4}+i\frac{\sqrt{7}}{4},\:x=\frac{3}{4}-i\frac{\sqrt{7}}{4}$

Step-by-step explanation:

simplify $\frac{-3}{x-2}$ by putting the negative sign on the outside. $\frac{2x}{x-1}-\frac{2x-5}{x^2-3x+2}=-\frac{3}{x-2}$

find the LCM of the denominators. It is (x-1)(x-2). Multiply by the LCM:

$\frac{2x}{x-1}\left(x-1\right)\left(x-2\right)-\frac{2x-5}{x^2-3x+2}\left(x-1\right)\left(x-2\right)=-\frac{3}{x-2}\left(x-1\right)\left(x-2\right)$

Simplify:

$2x\left(x-2\right)-\left(2x-5\right)=-3\left(x-1\right)$

solve: $x=\frac{3}{4}+i\frac{\sqrt{7}}{4},\:x=\frac{3}{4}-i\frac{\sqrt{7}}{4}$

3 0

3 years ago