Solve the inequality for z-9< 15. Simplify your answer as much as possible.
1 answer:
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Answer:
18,432 Km/ h
Step-by-step explanation:
Using the conversions
• 1 Km = 1000 m
• 1 hour = 60 × 60 = 3600 seconds
Then
5120 m = = 5.12 Km and
5.12 Km × 3600 = 18,432 Km / hour
Answer:
d. x = -3
Step-by-step explanation:
<u />÷ (x+8)(x-2) = 0
f(x) / g(x) = 0
Variable x cannot be equal to any of the values −8,2 since division by zero is not defined. Multiply both sides of the equation by (x−2)(x+8).
<u /> = 0 ------ square both sides
x + 3 = 0
solve for x:
x = -3