1. 7/8 - 1/2

2. A security camera rotates 30° every 10 seconds. how long does it take the camera to rotate 360°?

Question

Gina Wolfe

Mathematics

14 November, 01:46

1. 7/8 - 1/2

2. A security camera rotates 30° every 10 seconds. how long does it take the camera to rotate 360°?

+1

Answers (2)

Know the Answer?

Pedro Harding · Answer 1

For your first question: find a common denominator first

for your second question : whats 360 divided by 30?

Joyce Morse · Answer 2

1.

make denom same

7/8 and 1/2

8 is common

1/2 times 4/4=4/8

7/8-1/2=7/8-4/8=3/8

2.

time/degrees

10/30=t/360

1/3=t/360

times both sides by 360

120=t

120 seconds or 2min

1. 7/8 - 1/22. A security camera rotates 30° every 10 seconds. how long does it take the camera to rotate 360°?

1. 7/8 - 1/2

2. A security camera rotates 30° every 10 seconds. how long does it take the camera to rotate 360°?