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54 * (2/3) = 36 students were on the bus.
54 - 36 = 18 chaperones were on the bus.
Answer:
A. proper fraction
Step-by-step explanation:
Improper fraction = 11/10
Proper fraction = 5/10
Mixed fraction = 1 2/10
Answer:
25°
Step-by-step explanation:
In 
BD = CD .....(Given)

(By isosceles triangle theorem)


Now,

(Angles in linear pair)



Next, in 

(By interior angle sum postulate of a triangle)




Answer:
true
Step-by-step explanation:
2log2 6- log2 9+ 1/3log2 27 =
= log2 6² - log2 9 + log2 27^(1/3)
= log2 36 - log2 9 + log2 3
= log2 [(36 × 3)/9]
= log2 12
The statement is true.