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Orlov [11]
3 years ago
12

Jack took a test and got 13/17. He took a retest and got 12/15.

Mathematics
2 answers:
4vir4ik [10]3 years ago
8 0
His grade increased. 
If you divide 13 by 17, you get 0.7647, and if you multiply that by 100, that's 76.47%, which was is grade on the test.
If you divide 12 by 15, you get 0.8, or 80%.
ololo11 [35]3 years ago
7 0
It increased to an 80
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Hunter-Best [27]

Answer:

Step-by-step explanation:

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3 years ago
2 x (3^3-5+8) pemdas
Pavel [41]

Answer:

60

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 Expression</u>

2 × (3³ - 5 + 8)

<u>Step 2: Evaluate</u>

  1. [Parenthesis] Exponents:                    2 × (27 - 5 + 8)
  2. [Parenthesis] Subtract:                        2 × (22 + 8)
  3. [Parenthesis] Add:                               2 × 30
  4. Multiplication:                                      60
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Blizzard [7]

Answer:

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Step-by-step explanation:

Did it on a notebook and check if it was correct on my calculator. Please like and rate my answer.

7 0
4 years ago
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JulijaS [17]
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3 years ago
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