How long of a chain Can Jill make by attaching a 13 3/4 inch chain to a 15 2/4 in chain?
1 answer:
Answer:
A - 28 5/4
B - 29 1/4
D - 117/4
Step-by-step explanation:
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The answer correct answer is 80.5
2 × c ÷ 7 ÷ 2. This better?
I’m sorry I don’t know but I need the points:(
Cosα=x/L
x=Lcosα, we are told the ladder is 10ft and α=42.5 so
x=10cos42.5° ft
x≈7.37 ft (to nearest hundredth of a foot)
