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Roman55 [17]
2 years ago
5

2Find the distance betweenthe points A (3.5) and B (78)​

Mathematics
2 answers:
Bad White [126]2 years ago
6 0

Answer:

5

Step-by-step explanation:

Calculate the distance using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = A(3, 5) and (x₂, y₂ ) = (7, 8)

AB = \sqrt{(7-3)^2+(8-5)^2}

     = \sqrt{4^2+3^2}

     = \sqrt{16+9} = \sqrt{25} = 5

Reptile [31]2 years ago
6 0

<em>Answer</em>: 74.5

<em>Step-by-step explanation:</em> Whenever you see the words <u>distance </u>or <u>difference </u>in a problem, it means to subtract. So, we know that we need to <u>subtract </u>3.5 from 78.

78 - 3.5 = 74.5

So, the distance between points A and B is 74.5.

Hope this was helpful! :) Let me know if you have any further questions.

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tankabanditka [31]

Answer:

x ≈ 25.5°

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
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  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Trigonometry</u>

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Step-by-step explanation:

<u>Step 1: Identify Variables</u>

Angle θ = <em>x</em>°

Opposite Leg = 10

Hypotenuse = 21

<u>Step 2: Solve for </u><em><u>x</u></em>

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  2. Inverse trig:                                  x° = tan⁻¹(10/21)
  3. Evaluate:                                      x = 25.4633°
  4. Round:                                          x ≈ 25.5°
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