maxr7198
10.11.2020 •
Mathematics
HURRY PLEASE Courtney biked 8 laps around a park. The app on her phone showed she biked 11.12 miles. What is the constant of proportionality that relates the distance, y, to the number of laps, x? A. 11.12 B. 1.39 C. 8 D. 3.12 Reset
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Ответ:
diameter of the base of a cylindrical can= 4 in> r=2 in
h=6.5 in
[surface area]=2*[pi*r²]+[2*pi*r*h]
then
[surface area]=2*[pi*2²]+[2*pi*2*6.5]=[ 25.13 ]+[ 81.68 ]=106.81 in²
the answer is 106.8 in²