All categories

3 years ago

Find the exact value of cos A in simplest radical form.

Mathematics

1 answer:

sergeinik [125]3 years ago

3 0

S O/H C A/H T O/A

You're finding cos - so take the adjacent side and hypotenuse which is 10 over 12

Then take 10 divided by 12 cos

A = 0.1

You might be interested in

HALP URGENT PLS im dum <br><br><br>x =x=x, equals <br><br>^\circ <br><br>∘

deff fn [24]

Considering the angle of the ray, it is found that the value of x is of x = 55º.

<h3>What is the angle of the ray?</h3>

The ray has an angle of 180º. It is composed by:

Angle x.

An angle of 35º.

An angle of 90º.

Hence:

x + 35 + 90 = 180

x = 180 - 125

x = 55º.

More can be learned about angles and rays at brainly.com/question/25770607

#SPJ1

7 0

2 years ago

Read 2 more answers

In Ms. Craig’s class, 75% of the students are boys. There are 18 boys in the class. What is the total number of students in Ms.

topjm [15]

Answer:

Step-by-step explanation:

75% of x = 18

75/100 * x = 18 (x = total number of students)

solving

x = 24

total number of students = 24

Checking:

75/100 * 24 = 18

5 0

3 years ago

How do I write three and one fourth as a percent

tatiyna

U can write 3 and one fourth as 325

3 0

3 years ago

Read 2 more answers

Which one is it please tell me quick

natulia [17]

Answer:

I'm sorry I just need points!

Step-by-step explanation:

5 0

3 years ago

Transform the given quadratic function into vertex form f(x) = quadratic function into vertex form f(x) = quadratic function int

melisa1 [442]

Answer:

Vertex form: $f(x) =(x +\frac{7}{2})^2 -\frac{53}{4}$

The vertex is $(-\frac{7}{2},-\frac{53}{4})$

Step-by-step explanation:

For a general quadratic function the form is:

$ax ^ 2 + bx + c$

For the function

$f(x) = x ^ 2+ 7x -1$

The values of the coefficients for the function are the following: $a = 1$ , $b =7$ , $c = -1$

Take the value of b and divide it by 2. Then, the result obtained squares it.

$\frac{b}{2}= \frac{7}{2}$

$(\frac{b}{2})^2=(\frac{7}{2})^2=\frac{49}{4}$

Add and subtract $\frac{49}{4}$

$f(x) = (x ^ 2 +7x +\frac{49}{4}) -\frac{49}{4}- 1$

Write the expression of the form

$f(x) = (x+\frac{b}{2})^2 +k$

$f(x) =(x +\frac{7}{2})^2 -\frac{53}{4}$

The vertex is $(-\frac{7}{2},-\frac{53}{4})$

6 0

3 years ago

Find the exact value of cos A in simplest radical form. ​

Find the exact value of cos A in simplest radical form.