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Veronika [31]
3 years ago
12

Let A(1,13) and B (6,11) be two points. Find the slop of the line which passes through M(5,8) and is perpendicular to the line A

B
Mathematics
1 answer:
Vadim26 [7]3 years ago
4 0

Answer: 5/2

Step-by-step explanation:

First, we need to find the slope of AB. To do that, I will use the equation

y2 - y1/x2 - x1

Plug in the coordinates.

11 - 13/6 - 1

Simplify.

-2/5

<u>Our slope for line AB is -2/5</u>. Now we can find the slope that is perpendicular to it that passes through the point (5, 8).

To do that, just take the slope from AB and make it an opposite value and reciprocal.

Our slope is 5/2.

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IQ scores on the WAIS test approximate a normal curve with a mean of 100 and a standard deviation of 15. What IQ score is identi
riadik2000 [5.3K]

Answer:

IQ scores of at least 130.81 are identified with the upper 2%.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Mean of 100 and a standard deviation of 15.

This means that \mu = 100, \sigma = 15

What IQ score is identified with the upper 2%?

IQ scores of at least the 100 - 2 = 98th percentile, which is X when Z has a p-value of 0.98, so X when Z = 2.054.

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

2.054 = \frac{X - 100}{15}

X - 100 = 15*2.054

X = 130.81

IQ scores of at least 130.81 are identified with the upper 2%.

7 0
3 years ago
If UV = 6 and TV = 12, what is TU?
love history [14]

Answer:

TU = 6

Step-by-step explanation:

Using the Segment Addition Postulate, we know that TU + UV = TV, and since UV = 6 and TV = 12, we know that TU + 6 = 12, therefore, TU = 6.

3 0
3 years ago
A number x divided by 36
drek231 [11]

Answer:

x/36 is what you're looking for my guy

7 0
1 year ago
I really think it’s B ...Help?
kvv77 [185]
The correct answer is c y-5=4(x-7)
7 0
2 years ago
What is the measure of the angle?
harkovskaia [24]

Answer:

20 degfress

Step-by-step explanation:

8 0
2 years ago
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