Answer:
2n - 3
Step-by-step explanation:
twice a number means to multiply it by 2
difference of a number and 3 is a number being reduced by 3 so the 3 comes after the subtraction sign
Lines of symmetry in regular polygons can be formed from a vertex to an opposite vertex or a vertex to an opposite midpoint.
Answer:
50989.68
Step-by-step explanation:
add 100 to 1.75% then multiply by 12 then multiply by 42
hope that helps :)
Answer:
3.24%
Step-by-step explanation:
Percentage error =[ (|calculated value - actual value) / actual value] x 100
calculated area = length x width
6.5 x 7.8 = 50.7
[(|50.7 - 52.4|] / 52.4] x 100 = 3,24
