2 years ago

Whats the answer for this

Mathematics

1 answer:

marysya [2.9K]2 years ago

6 0

The answer is c hope this helps

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Find the cotangent of angle B. <br> 1. 12/5<br> 2. 12/13<br> 3. 13/12<br> 4. 5/12

labwork [276]

Cot = Cos/Sin

Cos = 12/13
Sin = 5/13

Therefore, 12/3 divided by 5/13 equals 12/5

Answer is 1.

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18.5185%

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Consider the following proability density function: f(x) = { kx. 0<= x< 2, k(4-x). 2<= x <=4, 0. otherwise. find the

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The value of K for which f(x) is a valid probability density function is 1/4.

<h3>How to solve for the value of K</h3>

$\int\limits^4_0 {fx(x)} \, dx =1$

$\int\limits^2_0 {Kx} \, dx +\int\limits^4_2 {K(4-x)} \, dx =1$

$K[\frac{2^2}{2} -0]+[K[4(4-2)-(\frac{4^2}{2} -\frac{2^2}{2} )]=1$

open the equation

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$2K+K[\frac{4}{2} ]=1$

2K + 2K = 1

4K = 1

divide through by 4

K = 1/4

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lapo4ka [179]

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3 years ago

Whats the answer for this ​

Whats the answer for this