4 weeks at 7 days per week = (4 x 7) = 28 days
28/-14 = - 2....so the average change is -2 per day
2(1b × t) ÷ 2 = b
or
2b × 2t ÷2 = b
PLEASE GIVE BRAINLIEST
Answer:
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Answer:
5 cm
Step-by-step explanation:
Given a semicircle with perimeter 25.71 cm, we are required to find the radius of the circle.
Circumference of a Semicircle
=Length of the Circular part+Length of the diameter