Answer:
12n + 60
General Formulas and Concepts:
<u>Pre-Algebra</u>
Distributive Property
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
(n + 12) × 5 + 7n
<u>Step 2: Simplify</u>
- Distribute 5: 5(n) + 5(12) + 7n
- Multiply: 5n + 60 + 7n
- Combine like terms: 12n + 60
Sonal went to school for 219 days in a full year. if her attendance is 75 percent find the number of days on which the school was open
Answer:
Step-by-step explanation:
<u>Area of trapezoid formula:</u>
<u>Substitute the values on the sketch and find the area:</u>
- A = (9 + 13)*10/2 = 110 in²
0.00003471 is the correct answer I believe