3 years ago

I NEED HELP PLEASE!!!

Mathematics

1 answer:

miss Akunina [59]3 years ago

3 0

Answer:

Step-by-step explanation:

cosine function, cos(ax) gets it period reduced by a factor of a, period is 2*pi/(4)=pi/2

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The actual lengths of Wall A, Wall B, and Wall D are 2.5 m, 2.75 m, and 3.75 m. If 1 m = 4 cm then determine how long these wall

Helen [10]

Step-by-step explanation:

1 m = 4 cm

therefore,

A = 2.5 m = 2.5×1 m = 2.5×4 cm = 10 cm

B = 2.75 m = 2.75×1 m = 2.75×4 cm = 11 cm

D = 3.75 m = 3.75×1 m = 3.75×4 cm = 15 cm

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A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 50 and 52 mi

daser333 [38]

The required probability of giving class period run between 51.5 and 51.75 is 0.125.

The lengths of her classes are uniformly distributed between 50 and 52 minutes.

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

Probability, can be define as the ratio of favorable events to the n number of total events.

since,

$p(r) = \frac{51.75-51.5}{52-50}$

p(r) = 0.125

Thus, the required probability of class period runs between 51.5 and 51.75 is given by 0.125

Learn more about probability here:
brainly.com/question/14290572

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Step-by-step explanation:

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