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Setler [38]
3 years ago
12

Major help i will make u brainllest

Mathematics
1 answer:
stealth61 [152]3 years ago
6 0

Answer:

d

Step-by-step explanation:

Using the Altitude- on- hypotenuse theorem

(leg of big Δ )² = (part of hypotenuse below it ) × (  whole hypotenuse), that is

x² = (30 - 6) × 30 = 24 × 30 = 720 ( take square root of both sides )

x = \sqrt{720} = \sqrt{144(5)} = \sqrt{144} × \sqrt{5} = 12\sqrt{5} → d

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Answer:

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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>

Step-by-step explanation:

<u>Step 1: Define</u>

y = 4x - 10

x = 3

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                                                                                                y = 4(3) - 10
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  3. Subtract:                                                                                                          y = 2
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