I think its B. correct me if wrong
Putting a ribbon around a picture
⇒ Looking for perimeter
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Given information
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Width = 300mm
Length = 150mm
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Find Perimeter
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Perimeter = 2(Length + Width)
Perimeter = 2(300 + 150)
Perimeter = 2(450)
Perimeter = 900mm
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Convert mm to m
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900mm = 90cm
90cm = 0.9m
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Answer: She will need 0.9m of the ribbon
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K=4pq^2
k/4p=q^2
q=(k/4p)^2
Answer:
91
Step-by-step explanation:
This is the answer, I took a pic of the work
10^2+b^2=15^2
100+b^2=225
b^2=125
b= 11.18