Mathematics, 02.02.2020 20:04, preservations
The radius of a circle is increasing at a nonzero rate, and at a certain instant, the rate of increase in the area of the circle is numerically equal to the increase in its circumstance. at this instant, the radius of the cirle
here is what i did: (unsure) pi(r^2)=2pi(r) r^2-r=0 r(r-2)=0 r=2
Answers: 2
Mathematics, 21.06.2019 16:00, rosehayden21
Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost. swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit
Answers: 3
The radius of a circle is increasing at a nonzero rate, and at a certain instant, the rate of increa...
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