Answer:
Step-by-step explanation:
Answer:-42
Step-by-step explanation:
-12*7/2
Is also represented like this
-12/1*7/2 proper fraction
Multiple -12*7 and divide by 2
-84/2= -42
Answer:
1/20
Step-by-step explanation:
In Scarlette grade 1/5 of the students have a sister.
Of the students who have a sister 1/4 also have a brother
Therefore fraction if students in Scarlet's grade who had both brothers and sister can be calculated as follows
= 1/5 ×1/4
= 1/20
The answer is the square root of 3