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vlada-n [284]
4 years ago
12

How do I find the value of X

Mathematics
2 answers:
sesenic [268]4 years ago
5 0
You could either:
a) Use the Pythagorean Theorem
b) Use Sine/Cosine/Tangent Inverse to find one of the angles, and then use that angle to find x.
Valentin [98]4 years ago
3 0
X^2 = 20^2 - 8^2
x^2 = 400 - 64
x^2 = 336
x = 18.3

hope it helps
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What is the domain of f(x) = 2^x?
hammer [34]

The given function has no undefined points nor domain constraint. Thus, the domain is: -\infty \: < x < \infty.

<h3>Domain and Range</h3>

The domain of a function is the set of input values for which the function is real and defined. In the other words, when you define the domain, you are indicating for which values x the function is real and defined. An example, there is a restriction for the domain of fractions. The variable x in the denominator should be different of zero.

While the domain is related to the values ​​of x, the range is related to the possible values ​​of y that the function can have.

In this question, the function 2^x has no undefined points nor domain constraint. Therefore, the domain is: -\infty \: < x < \infty

Learn more about  the domain here:

brainly.com/question/10197594

#SPJ1  

3 0
2 years ago
May someone please help me out please?
Zanzabum

Step-by-step explanation:

First, we need to find that top angle, which we'll call angle x. We can say 26 is the hypotenuse, and 12 is the adjacent, so we know that:

\cos(x)  =  \frac{12}{26}

Let's solve this, to find X:

x =   { \cos }^{ - 1}( \frac{12}{26} )

Now that we know what X is, we can use trig to find the missing side, which we'll call y. 48 is the adjacent, and y is the hypotenuse, therefore:

\cos(x)  =  \frac{48}{y}

To find y, let's rearrange:

y =  \frac{48}{ \cos(x) }

And now let's figure out calculate the value of y (I'm leaving the value of X as just X for the equations, but you will need it to calculate first):

y = 0.767833242

8 0
2 years ago
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