Any help with this?!! I would really appreciate it!
2 answers:
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Answer:
68 pounds.
Step-by-step explanation:
Find the total weight when there are 10 boys and when there are 9 boys then calculate the difference.
I'll let x = total weight.
Therefore, the youngest boy weighs 68 pounds.
Answer:
<h2>d = 52 in</h2><h2>C = 6π mm²</h2>Step-by-step explanation:
The formula of a circumference:
r - radius
d - diameter
We have .
Calculate the diameter using :
<em>divide both sides by π</em>
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If a circle inscribed in a square, then the diameter of a circle and a side of a square are congruent (have the same length).
We have the area of the square:
The formula of an area of a square:
s - side
Substitute:
The formula of a circumference
d - diameter
d = s → d = 6 mm
Substitute: