5 times a number decreased by thirteen. Not sure if there should be the =12, so I didn't include it in the verbal description. Hope it helps!
Answer:
13a) You need to find the Circumference =
=
x 50
= 2500
=7853.98 around 7854 inches
Answer:
10 seconds
Step-by-step explanation:
using the formula we can see that since 30 seconds have passed we divide this by 3 to get 10.
Therefore the answer is 10 seconds
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