Aestheticblue
09.04.2021 •
Mathematics
Ben's Parents give him a 10% raise in his weekly allowance. His new allowance is $22.00. what was his old allowance?
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Ответ:
Ответ:
20
Step-by-step explanation:
20 dollars plus 10% = 22
Ответ:
It is Circle B
It is 3.14 m
Step-by-step explanation:
1.The diameter is twice the radius so the diameter of Circle b is 2 x 5 = 10 cm.
This diameter is larger and will have a larger circumference.
2.The circumference is the product of π and the diameter. Then the difference between the two circumferences is (circle B circumference) - (circle A circumference) = π·(10 cm) - π·(9 cm)
= π·(10 -9) cm = π·1 cm ≈ 3.14 cm