Step-by-step explanation:
The answer is B and C
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After x years the value (V) is:
<span>Original - 4000x </span>
<span>so, after 3 years we have: </span>
<span>Original - 12000 = 18000 </span>
<span>b: Original = $30,000 </span>
Answer:
grax
Step-by-step explanation:
...
612+C=2000 then just subtract 612 from 2000 and get the value of C.
Answer:
-3 is a solution.
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>
3 - 4r ≥ 15
<u>Step 2: Solve for </u><em><u>r</u></em>
- [Subtraction Property of Equality] Subtract 3 on both sides: -4r ≥ 12
- [Division Property of Equality] Divide -4 on both sides: r ≤ -3
<u>Step 3: Compare</u>
- Substitute in <em>r</em>: -3 ≤ -3
This is true. -3 is less than <em>or equal to</em> -3.