Answer:
It's four.
Step-by-step explanation:
Doesn't require an explanation buuut.... Imagine you have two apples, and a friend gives you two more, you then have four apples.
Answer:
Step-by-step explanation:
If C=2πr
r=C/2π (change of sbject)
Answer:
k = -50
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality<u>
</u>
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
0.8k - 20 = -60
<u>Step 2: Solve for </u><em><u>k</u></em>
- [Addition Property of Equality] Add 20 on both sides: 0.8k = -40
- [Division Property of Equality] Divide 0.8 on both sides: k = -50
