2

Set 4: Trigonometry

Explanation

Answer: D

Solve for xx: 6(x+3)=486(x + 3) = 48

A.

2

B.

10

C.

15

D.

5

✓ Correct

Detailed Explanation

Choice D is correct. 1. Start: 6(x+3)=486(x + 3) = 48 Divide by 6: x+3=8x + 3 = 8 Subtract 3: x=5x = 5 Therefore, x=5x = 5.

Key Steps:

Apply the appropriate mathematical formula

The correct answer is 5

Why others are wrong:
A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.
B: This would give an incorrect result. Choice B is incorrect and may result from a calculation error.
C: This would give an incorrect result. Choice C is incorrect and may result from a calculation error.

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