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Anarel [89]
3 years ago
6

A student said that 42% of 78 is 45. Is this answer reasonable? Explain.

Mathematics
1 answer:
hoa [83]3 years ago
6 0

Answer:

nope

Step-by-step explanation:

.42*78 is 32.76, not 45

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General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property
  • Equality Properties

<u>Algebra I</u>

Standard Form: Ax + By = C

Point-Slope Form: y - y₁ = m(x - x₁)  

  • x₁ - x coordinate
  • y₁ - y coordinate
  • m - slope

Step-by-step explanation:

<u>Step 1: Define</u>

[PS]   y - 11 = 3(x - 2)

<u>Step 2: Rewrite</u>

<em>Find Standard Form</em>

  1. Distribute 3:                                  y - 11 = 3x - 6
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  4. Factor -1:                                       -1(3x + y) = 5
  5. Divide -1 on both sides:                3x + y = -5
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3 years ago
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750+20(30)=1350
Or do you need to explain it?
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