At time , a particle is located at the point ​(8​, 1​, 6​). It travels in a straight line to the point ​(1​, 9​, 2​), has speed 6 at ​(​8, 1​, 6​) and constant acceleration -7i+8j-4k. Find an equation for the position vector r​(t) of the particle at time t.

a box 3 3/4 feet long or 4+ feet.

step-by-step explanation:

37/3

step-by-step explanation:

step 1: simplify both sides of the equation.

7x+8(x+

1

4

)=3(6x−9)−8

7x+(8)(x)+(8)(

1

4

)=(3)(6x)+(3)(−9)+−8(distribute)

7x+8x+2=18x+−27+−8

(7x+8x)+(2)=(18x)+(−27+−8)(combine like terms)

15x+2=18x+−35

15x+2=18x−35

tep 2: subtract 18x from both sides.

15x+2−18x=18x−35−18x

−3x+2=−35

step 3: subtract 2 from both sides.

−3x+2−2=−35−2

−3x=−37

step 4: divide both sides by -3.

−3x

−3

=

−37

−3

x=

37

3

answer: 12   they all have at least 28 days

step-by-step explanation: haha

b. f(x) = –√x + 3this is the correct answer