4 years ago

(02.01 LC)

1 answer:

4 0

Answer:

B. Number the students on the school roster. Use a table of random numbers to choose 160 students from this roster for the survey.

Step-by-step explanation:

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13 squared? how does it mean and what is the solution?

Brut [27]

$13$ squered it means that $=13$ to the second power
$13^{2}=13*13=169$

6 0

3 years ago

Read 2 more answers

Find the area bounded by the curves x = y2 - 4y and x = 2y - y2. Your work must include an integral in one variable.

kaheart [24]

<span>The curves x = y^2 - 4y and x = 2y - y^2 are two parabolas with vertices (-4,2) and (1,1), respectively.
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The solutions (0,0) and (-3,3) of system $\left \{ {{x = y^2 - 4y } \atop {x = 2y - y^2 }} \right.$ give the common points of these parabolas.
The area is calculated in the image.
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