Answer: -1
Step-by-step explanation:
First change tan(315) to:
 
Then evaluate the sine and cosine function. What is the y component of 315 degrees? What is the x component of 315 degrees?

 
        
             
        
        
        
Answer:
f(3) = 6
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
f(x) = 1/3x + 5
f(3) is x = 3
<u>Step 2: Evaluate</u>
- Substitute:                    f(3) = 1/3(3) + 5
- Multiply:                        f(3) = 1 + 5
- Add:                              f(3) = 6
 
        
             
        
        
        
Puede ser el 2 creo pero espera a q algien más responda
        
             
        
        
        
Answer:

Step-by-step explanation:
we know that
To find out the area of the sidewalk, multiply the length by the width of the sidewalk
The width of the sidewalk is equal to

or

The area is equal to
