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relationships between variables and equations - tutorial - level f
how much would sweet t's paycheck
be if he worked 1.5 hours?
$ to
key
p = 8t
t = amount of time sweet t works
p = paycheck
dependent
variable
independent
variable
(in hours)
(in dollars)
paycheck
(in dollars)
16
24
32
40
0
8
9 10
1 2
1.5
sweet t's pay rate: $8.00 per hour
3 4 5 6 7
time
(in hours)
12

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) = 4π(0.02t)2; 651.44 in3 v(t) = 4π(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