N= 13*c+8
n=15*c
15c=13c+8
15c-13c=8
2c=8
c=8:2
c=4 children
n= 15*4=60 notebooks
Answer:
9 + 2j is the required algebraic equation.
(3x + 13) + (8x + 14) + 109 = 180°
(3x + 13) + (8x + 14) = 71°
11x + 27 = 71°
11x = 44°
x = 4
x = 180° - 67° - 52°
x = 61°
So, the value of x is 61°
Answer:
12 m
sorry if its wrong i did my best
