This is very simple to do. Take out your calculator and insert 14.4. However, move the decimal two places to the left to get .144, and multiply it by 72.5 to get your answer of 10.44.
Answer:
x = 14
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
<u>Geometry</u>
- Congruency
- All angles in a triangle add up to 180°
Step-by-step explanation:
<u>Step 1: Define</u>
3(x + 7)° = 63°
3(x + 7)° + 63° + y° = 180°
<u>Step 2: Solve for </u><em><u>x</u></em>
- Divide 3 on both sides: x + 7 = 21
- Subtract 7 on both sides: x = 14
It is 8.5! Just plug it into the calculator