How do you write 21/30 as a percent? Please show how to do it :D
2 answers:
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Answer:
a)
b)
c)
d)
Step-by-step explanation:
We know that the circle is increasing its radio from an initial state of r=0 cm, at a rate of 5 cm/s.
This can be expressed as:
a) Radius of the circle, r (in cm), in terms of the number of seconds, t since the circle started growing:
b) Area of the circle, A (in square cm), in terms of the circle's radius, r (in cm):
c) Circle's area, A (in square cm), in terms of the number of seconds, t, since the circle started growing:
d) Expanded form for the area A:
Answer:
1.31
Step-by-step explanation:
Hi!
<em>First remove parenthesis.</em>
<em>Factor or
</em>
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-Charlie