Answer:
15
Step-by-step explanation:
Answer:
At first, we have 3 expressions that are equal.
This is not true.
Answer:
76°
Step-by-step explanation:
by definition, supplementary angles sum up to 180°
hence,
104° + supplementary angle = 180°
supplementary angle = 180° - 104°= 76°
Answer:
mean age of women
(x+y+z)/3=27
mean age of men
(x1+x2+x3+x4+x5+x6)/6=34
mean age of all people in the office
x+y+z=27*3=81
x1+...x6=34*6=204
so
mean age( x+y+z+x1+x2+..x6)/(3+6)=(27*3+34*6)/9
=(81+204)/9=285/9=32 approximately
