Answer:
i = 7
Step-by-step explanation:
13 - 3i = -8 -> -3i = -21 -> i = 7
Answer:
101.91
Step-by-step explanation:
The central angle is 77 degrees mate.
Answer:
y² + 18y + 81
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Terms/Coefficients
- Expand by FOIL (First Outside Inside Last)
Step-by-step explanation:
<u>Step 1: Define</u>
(y + 9)(y + 9)
<u>Step 2: Expand</u>
- FOIL: y² + 9y + 9y + 81
- Combine like terms: y² + 18y + 81
Answer:
Good luck
Step-by-step explanation:
maybe try bing cause I cant even read the question but again GOOD LUCK