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2 years ago

Find the value of X round to the nearest degree

Mathematics

2 answers:

Reptile [31]2 years ago

6 0

Answer:

Hi there!

The correct answer is: 0.01°

Step-by-step explanation:

Since you are given two sides and you need to find the missing angle, all you need to do is inverse of SOH CAH TOA

so since the side with 10 is opposite of the angle, and 20 is the hypotenuse.

the problem will be a arcsine problem, so the equation will be arcsin(10/20)

therefore the value for x is: 0.01

sweet [91]2 years ago

5 0

Answer:

This a 45 degree angle

Step-by-step explanation:

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3 years ago

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3 years ago

For the polynomial function ƒ(x) = x4 −25x2, find the zeros. Then determine the multiplicity at each zero and state whether the

AfilCa [17]

<u>ANSWER</u>

The zeros are $x=-5,x=0,x=5$

EXPLANATION

Given;

$f(x)=x^4-25x^2$ .

We can rewrite the function as

$f(x)=x^2(x^2-25)$

$\Rightarrow f(x)=x^2(x^2-5^2)$

$\Rightarrow f(x)=x^2(x-5)(x+5)$

The zeros are found by equating the function to zero.

$\Rightarrow x^2(x-5)(x+5)=0$

$\Rightarrow (x-5)=0$

The multiplicity is 1, since it is odd the graph crosses at this intercept. which is $x=5$

$\Rightarrow (x+5)=0$

The multiplicity is 1, since it is odd the graph crosses at this intercept. which is $x=-5$

$\Rightarrow x^2=0$

This last root has a multiplicity of 2.

That is

$x=0$ repeats two times.

Since the multiplicity is even, the graph touches the x-axis at the point $x=0$ .

See graph.

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3 years ago