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artcher [175]
3 years ago
7

Evaluate the expression when m=9 and n=7. 5m +n

Mathematics
2 answers:
lozanna [386]3 years ago
7 0

Answer:

52

Step-by-step explanation:

5m +n

Let m =9 and n=7

5*9 +7

Multiply first

45+7

Add

52

NemiM [27]3 years ago
4 0

Answer:

52

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<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

<em>m</em> = 9

<em>n</em> = 7

5m + n

<u>Step 2: Evaluate</u>

  1. Substitute in variables:                                                                                     5(9) + 7
  2. Multiply:                                                                                                             45 + 7
  3. Add:                                                                                                                   52
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