12. The equation 4c + 12 - 2c = 5c - 3 is solved in the table below. What is the reason for Step 4? Steps
1
Process
Given
Solution Steps
4c + 12 - 2c = 5c - 3
2c + 12 = 56 - 3
12 = 30 - 3
2
Combine Like Terms
3
4
15 = 3c
5
5 = c
Division Property of Equality

Answer: d. 39 cmin the diagram, the approximate length of the minor arc de is 39 centimetres.step-by-step explanation: the formula for the length of an arc in a circle is as displayed below.let the length of the minor arc de = xx = 2( pi )r × angle of sector / 360°from this, we will substitute the values given from the problem into the formula to obtain the length of the minor arc de.x = 2( pi )r × angle of sector / 360°r = radius = 25cmpi as an approximate value = 3.14angle of sector = 120°x = 2( 3.14 )( 25 ) × 120° / 360°x = 157 × 1 / 4x = 39.25x = 39 ( rounded to the nearest whole number as an approximate value )