Answer:
25π
Step-by-step explanation:
1) for whole circuit: A=π*r², where r - radius of the given circle;
2) for a quater of the circuit: A=πr²/4;
3) finally, A=π*100/4=25π.
That’s the correct answer
Answer:
$2273.19
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Compound Interest Rate Formula: 
- A is final amount
- P is principle amount
- r is rate
- n is compound rate
- t is time (in years)
Step-by-step explanation:
<u>Step 1: Identify Variables</u>
P = $1900
r = 3% = 0.03
n = 4
<u>Step 2: Solve for </u><em><u>A</u></em>
- Substitute [CIRF]:

- (Parenthesis) Divide:

- (Parenthesis) Add:

- (Exponents) Multiply:

- Exponents:

- Multiply:

Answer:
20.1168 meters
Step-by-step explanation: