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Sav [38]
3 years ago
15

If y=2 Evaluate the following expression 4(2y-3)

Mathematics
2 answers:
Alex3 years ago
8 0

Answer:

4

Step-by-step explanation:

Substitute y for 2

4((2×2)-3)

Simplify

4(4-3)

Simplify further

4×1

4×1=4

Nookie1986 [14]3 years ago
7 0

Answer:

4

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

Step-by-step explanation:

<u>Step 1: Define</u>

4(2y - 3)

y = 2

<u>Step 2: Evaluate</u>

  1. Substitute in <em>y</em>:                    4(2(2) - 3)
  2. Multiply:                               4(4 - 3)
  3. Subtract:                              4(1)
  4. Multiply:                               4
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One group (A) contains 435 people. One-third of the people in group A will be selected to win $20 fuel cards. There is another g
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Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

People in group A = 130

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People in group B that will be selected to win US$ 50 fuel cards = same amount that group A

2. What will be the ratio of non-winners in group A to non-winners in group B after the selections are made?

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If winners are 2/5, non-winners will be 1 -2/5

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Now, let's calculate the number of winners:

2/5 * 130 = 52 winners ⇒ 78 non-winners

Group B

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Ratio of winners = 52/579

Ratio of non-winners = 1 - 52/579 = 579/579 - 52/579 = 527/579

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Step-by-step explanation:

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Step-by-step explanation:

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