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Nady [450]
3 years ago
10

What is the rule for finding the coordinates of an image reflected over the line y=-x

Mathematics
2 answers:
joja [24]3 years ago
8 0
You can find the coordinates of any graph by using a coordinate table, which looks as so in the chart provided below.

What you do is you, put in the letter x and then put what y is equal to in the second box. You plug in any number for x and you solve in order to find the y coordinate. Once you do, for example for plugging in -1 into x you get 1. So your coordinate would be (-1,1).

Anettt [7]3 years ago
7 0

Answer:

the correct answer is A.


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Last week Andi had exams in Chemistry and in Spanish. On the chemistry exam, the mean was µ = 30 with σ = 5, and Andi had a scor
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Answer:

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Step-by-step explanation:

To solve the above question, we use the z score formula

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a) Chemistry Exam

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where x is the raw score,

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z = (x-μ)/σ

z = (45 - 30)/5

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b) On the Spanish exam, the mean was µ = 60 with σ = 6 and Andi had a score of X = 65.

z-score is given as: z = (x-μ)/σ

where x is the raw score,

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Comparing the z score of both Exams,

Andy had a z score of 3 in the Chemistry exam and 0.8333333333 in the Spanish exam.

Therefore, Andy should be expecting a better grade in the Chemistry exam because his z score in the Chemistry exam was higher than that of the Spanish exam.

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