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garik1379 [7]
4 years ago
15

Kim walks 347 mile in 3/10 of an hour what is her speed in miles per hour

Mathematics
1 answer:
lara [203]4 years ago
8 0
Speed = distance / time
Distance = 347 miles
Time = 3/10 of an hour -> 0.3 hour

Speed = 347 / 0.3
Speed = 1156.7 miles / hour
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4 years ago
Help would be much appreciated! :)​
Tju [1.3M]

Answer:

\displaystyle \frac{x^4 + 10x^3 + 25x^2 + 3x - 24}{x^2 + 5x - 4} = x^2 + 5x - 4 + \frac{3x - 8}{x^2 + 5x - 4}

General Formulas and Concepts:

<u>Algebra I</u>

Terms/Coefficients

  • Expanding

<u>Algebra II</u>

Polynomial Division

  • Long Division
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Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify.</em>

<em />\displaystyle \frac{x^4 + 10x^3 + 25x^2 + 3x - 24}{x^2 + 5x - 4}<em />

<em />

<u>Step 2: Long Division</u>

<em>See attachment.</em>

  1. Multiply quotient <em>a</em> and divisor, then subtract from dividend:                      \displaystyle x^2(x^2 + 5x - 4) = x^4 + 5x^3 - 4x^2 \leftarrow \text{red 1}
  2. Multiply quotient <em>b</em> and divisor, then subtract from new dividend:              \displaystyle 5x(x^2 + 5x - 4) = 5x^3 + 25x^2 - 20x \leftarrow \text{red 2}
  3. Multiply quotient <em>c</em> and divisor, then subtract from new dividend:              \displaystyle 4(x^2 + 5x - 4) = 4x^2 + 20x - 16 \leftarrow \text{red 3}
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<em>Please excuse the bad handwriting.</em>

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The triangle below has a total perimeter of 450 cm.
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I hope this helps you

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