Answer:
12
Step-by-step explanation:
Perimeter of a square:
4(L)
L = Length
=> 4(L) = 48
=> 4L = 48
=> 4L/4 = 48/4
=> L = 12
The length of the square is 12 cm.
Answer: the velocity and position vector is given by;
v(t) = 3i + 2j + (1-32t)k
r(t) = (3t)i + (5-2t)j + (2+t-16t^2)k
The position at time t=2; r(2)
r(2) = 6i + j - 60k
Step-by-step explanation:
Shown in the attachment.
" the difference " means subtract
6x - 7 = -49 <== ur expression
6x = -49 + 7
6x = - 42
x = -42/6
x = - 7 <== solution