59+61+63 is a possibility
This is the concept of algebra; given that the height of the house at time t is given by:
h(t)=<span> 400 − 39t − 157e−t/4
the velocity of the house is given by:
dh/dt
velocity of our object is:
dh/dt=-39+1/4*157e^-(t/4)
=-39+157/4 e^(-t/4)
thus the velocity at h=0 will be as follows:
at h=0, the value of t will be:
0=400-39t-157e^(-t/4)
solving for t we get:
t=-5.4 or t=10.1
since we don't have negative time, t=10.1
thus the velocity at this point will be:
dh/dt=-38+1/4*157e^(-10.1/4)
=-38.86 sec
this means that the object dropped by a velocity of 38.86 sec</span>
Simple......
1.) Angelo earns $2,080... 30% is taken off...
2,080*30%=$624
Thus, $624 is taken off from his pay....answer choice A.
2.) Calculating Percent Markup...
Use these 2 formulas:
Finding Markup%...
Markup=New-Original
Markup%=
Now...start plugging in what you know!! ^-^
567 vacuums were sold this year.....540 were sold last year...
Markup=567-540
Markup=27
Now...Markup%...
Markup%=
Markup%=0.05*100
Markup%=5
Markup%=5% (Choice D)
Thus, your answer.
Check the picture below.
recall, the bearing is always starting from the North line clockwise.