Answer:
i dont undrstand .
Step-by-step explanation:
Answer:
x = -1.6
Step-by-step explanation:
Original equation:
5x + 9 = 1
Subtract 9 from both sides
5x = -8
Divide both sides by 5
x = -1.6
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Noah ran faster because he ran more distance then lin
Answer:
6.9
Step-by-step explanation:
Let x be the length of the remaining side.
By the Pythagorean theorem,
4² + x² = 8²
x² = 8² - 4² = 48
x = √48 = 4√3 ≅ 6.9