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melomori [17]
3 years ago
10

Simplity 82 - 6(7 - 4) + 2

Mathematics
1 answer:
Arlecino [84]3 years ago
8 0

Answer:

66

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>

82 - 6(7 - 4) + 2

<u>Step 2: Evaluate</u>

  1. (Parenthesis) Subtract:                    82 - 6(3) + 2
  2. Multiplication:                                   82 - 18 + 2
  3. Subtraction:                                      64 + 2
  4. Addition:                                           66
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two points where the line goes through is (5,-4) as mentioned and (0,-16)

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. Anne is pushing a wheelbarrow filled with mulch to place in her garden. She is pushing the wheelbarrow with a force of 70 N at
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<u>Answer:</u>

When Anne pushes the wheelbarrow 25 meters the work done is 1120 joules

<u>Solution:</u>

We know \text { Work }(\mathrm{W})=\text { Force }(\mathrm{F})\times\text { Distance (D) }

Anne is pushing the wheelbarrow with a force of 70 N at an angle of 50^{\circ} with the horizontal

So the force of Anne will be F=70 \cos 50^{\circ}=(70 \times 0.64)=44.8 \mathrm{N}

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Anne has done total 1120 joules work.

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