Amanda wants to attend Baylor University for her 4-year college. She is a National Merit Scholar and scores a 1500 on her SATs.
1 answer:
Answer:
$58,544
Step-by-step explanation:
Given that Baylor charges tuition fees at $41,194, Room at $13038 and Required fees at $4598 p.a. We also know that the scholarship pays $44194 p.a.
#The additional money for the four years is the total minus the scholarship multiplied by 4 yrs:
The additional cost to attend the college for the next four years is:
Hence, Amanda needs an additional $58,544 to attend Baylor for the 4 years.
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So lets write down what we have a(t) = 66 and v(0) = 0 and s(0) = 0
a) Determine the position function.
To do this we have to integrate our acceleration function twice, or we have to integrate the acceleration function to get our velocity function and then integrate that to get our position function.
So:
= 66t + c
This means that v(t) = 66t + c
We know that v(0) = 0, so:
v(0) = 66(0) + c
c = 0
So v(t) = 66t (This will be helpful for us later)
Now we have to integrate again.
*note that both of these integrands are done with the reverse power rule for integration*
So we can say that
But we know that s(0) = 0
So
s(0) = 33(0)^2 + c
c = 0
So... s(t) = 33t^2
b) Now we can answer this question using our position function!
All we have to do is plug in t=5 for s(t)
So...
s(5) = 33(5)^2
s(5) = 825 ft
c) So this is essentially the same problem as b except now we are solving for the time instead of the distance.
We know that in 1 mile there are 5280 ft
So in 1/3 a mile there are 5280(1/3) ft or 1760 ft
Now we can set 1760 equal to s(t) and solve for t
1760 = 33t^2
t^2 = 53.33
t = 7.30s (we only consider positive answers for time)
d) This is the same question as c just a different distance so:
Setting 300 for s(t)
300 = 33t^2
t^2 = 9.091
t = 3.015s
e) So for this question we have to approach it in terms of the velocity function not the position function. Then we will solve for the time it took to travel with that velocity and then plug that time value into the position function.
So:
v(t) = 66t
We know that in this case v(t) = 178 ft/s
So: 178 = 66t
t = 2.6969 // t = 2.7s
Now we can use this time in our position function to solve for the distance traveled.
s(t) = 33t^2
s(2.7) = 33(2.7)^2
s(2.7) - 240.57 ft
Hope this helped!
Answer:
d. about 50 times larger
Step-by-step explanation:
The given expressions for magnitude (M) can be solved for the intensity (I). Then the ratio of intensities is ...
The larger earthquake had about 50 times the intensity of the smaller one.