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24-02-2021
Mathematics

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PLEASE HELP!! THIS IS MY LAST QUESTION!! WILL GIVE BRAIN!!

PLEASE HELP THIS IS MY LAST QUESTION WILL GIVE BRAIN class=

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thebecks thebecks

24-02-2021

Answer:

0.60 cm increase in volume

Step-by-step explanation:

200/Pi(30) = r^2 = 2.12

r = 1.46

400/Pi(30) = new r^2 = 4.24

new r = 2.06

2.06-1.46 = 0.60 cm

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