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gladu [14]
3 years ago
5

If 3 pounds of apples cost $3.85, how much will 18 pounds of apples cost?

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
8 0

Answer: $23.10

Step-by-step explanation:

18/3 = 6

3.85 x 6 = $23.10

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What is the inverse of the function f(x) = x +3?
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Answer:

f⁻¹(x) = x - 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  2. Parenthesis
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  4. Multiplication
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  • Left to Right  

Equality Properties

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<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = x + 3

<u>Step 2: Find</u>

  1. Swap:                                                                                                                 x = y + 3
  2. [Subtraction Property of Equality] Isolate <em>y</em>:                                                      x - 3 = y
  3. Rewrite:                                                                                                             f⁻¹(x) = x - 3
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Step-by-step explanation:

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