The minute hand on a clock is 15cm long. what area does it pass over in 1 hour (pls show working)

the 12 on the clock

Step-by-step explanation:

94.2cm in 1 hour.

Step-by-step explanation:

In 1 hour, minute hand completes one round means makes a circle.

Radius of the circle(r)=15cm

Circumference of circular clock=2πr

=2×3.14×15=94.2cm

Therefore, the tip of the minute hand moves 94.2cm in 1 hour.

the answer is mc^1-1jpeg

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,