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Scilla [17]
3 years ago
12

Find the solution set of 3x +2y = 12 if each variable represents a positive integer.

Mathematics
2 answers:
zvonat [6]3 years ago
7 0
3x+2y=12
(3/2)x-6=y

All real numbers
Vsevolod [243]3 years ago
6 0
3×2 = 6
2×3 = 6
6+6 = 12
X = 2
Y = 3
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PQR is a right angled triangle calculate the size of angle marked x
romanna [79]

Answer:

\displaystyle x \approx 37.4^\circ

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  2. Parenthesis
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  4. Multiplication
  5. Division
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Angle θ = <em>x</em>

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

  1. Substitute in variables [Cosine]:                                                                    \displaystyle cosx^\circ = \frac{5.8}{7.3}
  2. [Fraction] Divide:                                                                                             \displaystyle cosx^\circ = 0.794521
  3. [Equality Property] Trig inverse:                                                                    \displaystyle x^\circ = cos^{-1}(0.794521)
  4. Evaluate trig inverse:                                                                                      \displaystyle x = 37.39^\circ
  5. Round:                                                                                                             \displaystyle x \approx 37.4^\circ
8 0
2 years ago
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