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anastassius [24]
3 years ago
13

Write an equation for each:

Mathematics
1 answer:
liraira [26]3 years ago
4 0
1. AB \cong CD
congruent means equal

2. AB \cong BC
bisect means to cut a line segment in two equal parts

Above the AB, CD, AB, and BC there has to be a line. I could not write that because LaTeX doesn't allow it.

3. 2x + 5 = 4x-8
You set both equal to each other

4. PA \cong AT
midpoint means that both line segments are equal

Same thing goes for PA, and AT. You need to draw a line above it.

Hope that helped :)

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The area of a square garden is 1/49 km ^2. How long is each side?
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ludmilkaskok [199]

Answer:

x = 8√2

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

Equality Properties

<u>Trigonometry</u>

  • [Right Triangles Only]: Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

<u>Step 1: Define</u>

We are given a right triangle. We can use PT to solve for the missing length.

<u>Step 2: Identify Variables</u>

Leg <em>a</em> = 8

Leg <em>b</em> = 8

Hypotenuse <em>c</em> = <em>x</em>

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Substitute [PT]:                    8² + 8² = x²
  2. Exponents:                           64 + 64 = x²
  3. Add:                                      128 = x²
  4. Isolate <em>x</em>:                               8√2 = x
  5. Rewrite:                                x = 8√2
4 0
3 years ago
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