Determine whether a conclusion can be drawn about the existence of uniqueness of a solution of the differential equation (7 minus t )y double prime plus 5 t y prime minus 7 y equals sine t, given that y (0 )equals 7 and y prime (0 )equals 7. If a conclusion can be drawn, discuss it. If a conclusion cannot be drawn, explain why.

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right

a

step-by-step explanation: