What is the slope between the points and

Mathematics

1 answer:

Mice21 [21]2 years ago

8 0

The distance between 4 and -1 is -5, and the distance between -2 and 0 is +2, so for every 5 units backwards it moves 2 units up, which is the same as moving 2 units down for every 5 units forward, so using rise/run, the answer is -2/5.

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Step-by-step explanation: brainliest pls

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According to the College Board website, the scores on the math part of the SAT (SAT-M) in a recent year had a mean of 507 and st

Leviafan [203]

Answer:

The actual SAT-M score marking the 98th percentile is 735.

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:

$\mu = 507, \sigma = 111$