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Deffense [45]
4 years ago
9

Jeremiah conducts a survey and finds that the first variable in his survey

Mathematics
1 answer:
Tanzania [10]4 years ago
4 0

Answer:

Negative association

Step-by-step explanation:

Positive association is when both variables increase. On a graph, the line would be going up from left to right.

No association is when the two variables don't make a line, and the data is scattered all over a graph.

There is enough information to determine this question.

That leaves B, negative association. Negative association is when one variable increases as the other decreases. On a graph, the line would be read as a line going down from left to right.

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Answer:

B

Step-by-step explanation:

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3 years ago
Work out the total surface area of this hemisphere which has a radius of 8cm.
Masja [62]

\bf \textit{surface area of a sphere}\\\\ SA=4\pi r^2~~ \begin{cases} r=radius\\ \cline{1-1} r=8 \end{cases}\implies SA=4\pi (8)^2\implies SA=256\pi \\\\\\ \stackrel{\textit{half of that for a \underline{hemi}sphere}}{\cfrac{256\pi }{2}\implies 128\pi \implies }\stackrel{\textit{rounded up}}{402.1}

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Arte-miy333 [17]

Answer:

Depends

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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Which of the following is a conjugate for 7 + i Square root of 2? (2 points) − 7 + i Square root of 2 7 − i Square root of 2 i S
hammer [34]

Answer:

7-\sqrt{2}i

Step-by-step explanation:

Given number is 7+\sqrt{2}i. We need to find the complex conjugate of the given number.

We will use the general rule to find out the complex conjugate of the number.

The complex conjugate of a+bi will be a-bi

And the complex conjugate of 7+\sqrt{2}i\ became\ 7-\sqrt{2}i

So, the complex conjugate of 7+\sqrt{2}i is 7-\sqrt{2}i

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