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V125BC [204]
3 years ago
9

anonymous one year ago Andrew bought 3 baseball cards for $240. After a few months, he got an offer from his friend Jack to buy

the first card for double its original value, along with either the second or third card. Andrew decided to sell the first card (at double its original value) along with the second card (at its original price) and got $320 for it. Or, selling the first card (at double its original value) card along with the third card (at its original price) would have only got him $280. What were the original prices for each of the 3 baseball cards? Mathematics
Mathematics
1 answer:
erik [133]3 years ago
4 0
The answer is 80 you divide 240.00 into 3 and get 80
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On a coordinate plane, a line goes through points (2, 0) and (3, 3). This graph displays a linear function. Interpret the consta
mario62 [17]

Answer:

Rate of change = 3

Step-by-step explanation:

The rate of change is the slope.

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-8y = -2x + 32
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5 0
4 years ago
What is the solution to 0.4(12 – 3x) = 0.3(12x – 16)?
TiliK225 [7]

Answer:

x = 2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

Step-by-step explanation:

<u>Step 1: Define</u>

0.4(12 - 3x) = 0.3(12x - 16)

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute:                                4.8 - 1.2x = 3.6x - 4.8
  2. Add 1.2x on both sides:          4.8 = 4.8x - 4.8
  3. Add 4.8 on both sides:           9.6 = 4.8x
  4. Divide 4.8 on both sides:       2 = x
  5. Rewrite:                                   x = 2
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3 years ago
A _____ consists of two or more inequalities. At least one of these is nonlinear
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Answer:

Nonlinear system of inequalities

Step-by-step explanation:

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