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Molodets [167]
3 years ago
14

Helppppp pleaseeeeeeeeee​

Mathematics
1 answer:
Misha Larkins [42]3 years ago
8 0

These are just multiplications.  For percents we have to move the decimal point two places. I assume calculators are OK.

2.

19.6% of 244 = .196(244) = 47.824

3.

20% of 75 = .2 (75) = 75/5 = 15

Didn't need a calculator for that one.

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\displaystyle m=\frac{-3}{4}

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>

<u>Algebra I</u>

  • Coordinates (x, y)
  • Slope Formula: \displaystyle m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point A(0, 2)

Point B(4, -1)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

  1. Substitute in points [Slope Formula]:                                                             \displaystyle m=\frac{-1-2}{4-0}
  2. [Fraction] Subtract:                                                                                         \displaystyle m=\frac{-3}{4}
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