Sound

question 1 of 1 Grade: Eleven - G11

Q: Sound travels fastest in which state of matter: solid, liquid, or gas?

Did You Know?

From second equation: y = 4x - 3. Substitute into first: 2x + 3(4x - 3) = 7 → 2x + 12x - 9 = 7 → 14x = 16 → x = 8/7. Then y = 4(8/7) - 3 = 32/7 - 21/7 = 11/7. Solution: (8/7, 11/7)

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