Which circles have a circumference of 18pi units?
choose all answers that are correct.
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Mathematics, 30.11.2019 03:31 athenajames1221
Which circles have a circumference of 18pi units?
choose all answers that are correct.
a. a circle with a radius of 9 units
b. a circle with a radius of 18 units
c. a circle with a diameter of 18 units
d. a circle with a diameter of 36 units
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Ahigh-altitude spherical weather balloon expands as it rises, due to the drop in atmospheric pressure. suppose that the radius r increases at the rate of 0.02 inches per second, and that r = 36 inches at time t = 0. determine the equation that models the volume v of the balloon at time t, and find the volume when t = 360 seconds. v(t) = 4ฯ(0.02t)2; 651.44 in3 v(t) = 4ฯ(36 + 0.02t)2; 1,694,397.14 in3 v(t) = four pi times the product of zero point zero two and t to the third power divided by three.; 4,690.37 in3 v(t) = four pi times the quantity of thirty six plus zero point zero two t to the third power divided by three.; 337,706.83 in3
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