In a controlled scientific experiment, the variable is manipulated by the researcher.
2 answers:
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<u>Answer: </u>
In 3 hour 15 minutes Dennis will walk 9.2072 miles.
<u>Solution: </u>
It is given that Dennis can walk 2.833 miles each hour. We have to find how far will he walk in 3 hours 15 minutes.
We first convert 15 minutes in hour. To convert 15 minutes in hour we divide 15 by 60.
Therefore 3 hours 15 minutes can be written as
Now,
In 1 hour dennis can walk 2.833 miles
Thus in 3 hour 15 minutes Dennis will walk 9.2072 miles.
Answer:
x = 8/5
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
Equality Properties
Step-by-step explanation:
<u>Step 1: Define</u>
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<u />
<u>Step 2: Solve for </u><em><u>x</u></em>
- Cross multiply: 5x = 8
- Isolate <em>x</em>: x = 8/5