The correct answer is c=5. hope this helps.
Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra II</u>
- Distance Formula:
Step-by-step explanation:
<u>Step 1: Define</u>
Point (-2, -5)
Point (3, -6)
<u>Step 2: Find distance </u><em><u>d</u></em>
Simply plug in the 2 coordinates into the distance formula to find distance<em> d</em>
- Substitute in points [DF]:
- (Parenthesis) Simplify:
- (Parenthesis) Add:
- [√Radical] Exponents:
- [√Radical] Add:
Lets train1 be y and train2 be x.
time = distance * speed
time = (distance of x+y) (speed x+y)