3 years ago

Find the standard deviation of 243, 259, 246, 235, 240, and 253.

Mathematics

1 answer:

Westkost [7]3 years ago

3 0

The answer to your question is 8.9

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Shape A can be transformed to shape B by a reflection in the x-axis followed by a translation (c/d). Find the value of c and the

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Answer:

$c = -6$

$d = -1$

Step-by-step explanation:

Given

See attachment for grid

Required

Find c and d

From the attachment, we have:

$a = (3,5)$ --- Point on A

$a' = (-3,-6)$ --- Corresponding point on B

When A is reflected across the x-axis, the rule is:

$(x,y) \to (x,-y)$

So, we have:

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This is calculated using:

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and

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So, we have:

$3 + c = -3$

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---- i.e. Shift by 6 units to the left

$-5 + d = -6$

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