Explain whether rounding or compatible numbers gives a closer estimate for 48x123=5,904
1 answer:
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Answer:
The slant of the ladder is 5 ft
Step-by-step explanation:
Look at the attached figure to understand this situation
∵ a represents the distance from the edge to the top step
∵ The distance from the edge to the top step is 4 ft
∴ a = 4 ft
∵ b represents the distance to the house's edge from the bottom step
∵ The distance to the house's edge from the bottom step is 3 ft
∴ b = 3 ft
∵ c represents the slant of the ladder
∴ We need to find c
→ By using the Pythagoras Theorem
∵ c =
∴ c =
∵ = 5
∴ c = 5 ft
∴ The slant of the ladder is 5 ft
Answer:
Step-by-step explanation:
2 4/5 + 2 3/5 = 4 7/5 = 4+1+2/5 = 5 2/5