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Murrr4er [49]
3 years ago
9

Graph y = tanx for -pi/4 ≤ x ≤ pi/4. What is the range?

Mathematics
2 answers:
Anettt [7]3 years ago
8 0

Answer:

Step-by-step explanation:

The graph is below(picture)

● tan Pi/4 = 1

● tan -Pi/4 = -1

So the range is [-1;1]

Debora [2.8K]3 years ago
3 0

Answer:

( -1, 1 )

Step-by-step explanation:

For f ( x ) = tan x ;   Range = R (real no.)

Range in interval = ( -1, 1 )

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Find the length of AB, given that DB is a median of the triangle and AC = 44.
pychu [463]

The length of the AB is 22 units if the length of AC is 44 units and DB is the median of the triangle.

<h3>What is the triangle?</h3>

The triangle can be defined as a three-sided polygon in geometry, and it consists of three vertices and three edges. The sum of all the angles inside the triangle is 180°.

The figure is missing.

The figure is attached to the picture, please refer to the picture.

We have a triangle shown in the picture.

As we know, the median bisects the side length into two equal parts.

AB = AC/2

AC = 44 units

AB = 44/2

AB = 22 units

Thus, the length of the AB is 22 units if the length of AC is 44 units and DB is the median of the triangle.

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brainly.com/question/25813512

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6 0
1 year ago
For an intramural sports program at a particular college, the time to run one mile is recorded for 200 male students in the prog
jeka57 [31]

Answer:

Devon has the lower z-score, so he was faster relative to his gender.

Step-by-step explanation:

Z - score

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.

Who ran the mile faster relative to their gender?

Who runs in less time the mile is faster, so whoever has the lower z-score is faster relative to their gender.

Devon participates in the intramural program for men. His best time to run the mile is 6.6 minutes.

For men, these times are approximately normal with mean 8 minutes and standard deviation 1 minute.

So we have to find Z when X = 6.6, \mu = 8, \sigma = 1

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

Z = \frac{6.6 - 8}{1}

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Kendall participates in the intramural program for women. Her best time to run the mile is 5.7 minutes.

For women, these times are approximately normal with mean 7.5 minutes and standard deviation 2 minutes.

So we have to find Z when X = 5.7, \mu = 7.5, \sigma = 2

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

Z = \frac{5.7 - 7.5}{2}

Z = -0.9

Devon has the lower z-score, so he was faster relative to his gender.

5 0
3 years ago
Determine if x=2 is a solution.
Marrrta [24]

Answer:

Do you have a picture for the problem that you want to be solved?

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