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Zarrin [17]
3 years ago
12

60% of a number is 90 what is 50%of the same number

Mathematics
1 answer:
exis [7]3 years ago
4 0
To get the answer we can use proportion
60% -----------90
50% -----------x
Crossmultiply now
50*90=60*x
4500=60x          /:60 (divide both sides by 60)
4500:60=x
75=x - its the result
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What is the output value of (4x+2)(x-5)/2 using input value of x=2
Firdavs [7]

Answer:

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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>

(4x + 2)(x - 5) / 2

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<u>Step 2: Evaluate</u>

  1. Substitute:                             (4 · 2 + 2)(2 - 5) / 2
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  3. Parenthesis - Add:                10(2 - 5) / 2
  4. Parenthesis - Subtract:         10(-3) / 2
  5. Multiply:                                 -30 / 2
  6. Divide:                                    -15
6 0
3 years ago
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Step-by-step explanation:

stem = 2

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