What is (+,+) reflected over the x axis?

Mathematics

2 answers:

elena55 [62]3 years ago

6 0

Answer:

If a coordinate point that has both positives is reflected over the x axis it goes into the bottom right corner. For example, if (4,4) is reflected over the x axis, it goes over the x axis into the bottom right corner and becomes (+4, -4).

Step-by-step explanation:

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sleet_krkn [62]3 years ago

5 0

Answer:

means the the x-axis is positive and the y-axis is positive so it is located in the first quarter of the cariesian corrdenates

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Answer:

14.63% probability that a student scores between 82 and 90

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 72.3, \sigma = 8.9$