The APR of Caesar's savings account is 3.6% and interest is compounded monthly the principal and Cesar savings account with $6,6
2 answers:
Answer:
$6841.56
Step-by-step explanation:
formula for compound interest is
P is the initial amount= 6600
r is the rate of interest = 0.036
t is the number of years = 1
n = compounded monthly = 12
plug in the values in the formula
A= 6841.55986990
$6841.56 is the balance of his account after the interest is paid for the year
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Answer:
both fireworks will explode 4.5 seconds after Firework B launches
Step-by-step explanation:
Given;
speed of firework A, = 360 ft/s
speed of firework B, = 340 ft/s
If the two fireworks explodes at the same height, then the height attained by the two fireworks are equal.
let the distance traveled by each firework before explosion = d
Distance = speed x time
Distance A = Distance B
speed A x time = speed B x time
let the time both fireworks explodes after Firework B launches = t
() t = (
) t
360t = 340t
if firework B is launched 0.25 s before Firework A, for the time of the two fireworks to be equal since we are considering time (t) after 0.25 seconds, we will have;
360(t-0.25) = 340t
360t - 90 = 340t
360 t - 340 t = 90
20 t = 90
t = 90/20
t = 4.5 seconds
Therefore, both fireworks will explode 4.5 seconds after Firework B launches