A - b is NOT always natural. Eg 4 - 7 = -3 therefore not in the natural number set.
ab is always natural
a/b is NOT always natural. Eg 4/7
So the answer to the question is (b) only II must be a natural number answer.
You would want to add 5.2 to both sides to get 4.2y by itself on one side. Then you would divide both sides by 4.2 to get y by itself. Whatever y equals is the answer. Hope this Helps!
Since she makes $13 per hour, she would have to work 5 hours to make $65.
Answer:
40
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
8 ÷ 2(3 + 7)
<u>Step 2: Evaluate</u>
- (Parenthesis) Add: 8 ÷ 2(10)
- Divide: 4(10)
- Multiply: 40