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Nastasia [14]
3 years ago
10

Out of a total of 300 animals in the zoo, 45 are birds. What percent of animals in the zoo are birds

Mathematics
1 answer:
Ulleksa [173]3 years ago
4 0
The answer above isn't right- lol.

15% of the animals in the zoo are birds.

[45/300 is .15, or 15%.]
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Aleksandr-060686 [28]

Answer:

f(2x + 4) = -4x² - 16x - 15

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>

Distributive Property

<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = 1 - x²

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                          f(2x + 4) = 1 - (2x + 4)²
  2. Expand [FOIL]:                                                                                                  f(2x + 4) = 1 - (4x² + 16x + 16)
  3. (Parenthesis) Distribute negative:                                                                   f(2x + 4) = 1 - 4x² - 16x - 16
  4. Combine like terms:                                                                                          f(2x + 4) = -4x² -16x - 15
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3 years ago
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Norma-Jean [14]

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7.25 per drink.

Step-by-step explanation:

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7 0
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What is the midpoint of the segment shown below?
RSB [31]

Answer:

(C) (2,0)

Step-by-step explanation:

The mid point of the line segment is defined as the point on that line that divides the line segment in to two congruent segments and is denoted as:

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Now, the line segment having the points (-2,4) and (6,-4) has the mid point:

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