−3/4+(1/10÷2/5)
parenthesis first
1/10 divided by 2/5
copy dot flip
1/10 * 5/2
5/20
1/4
−3/4+(1/10÷2/5)
-3/4 + 1/4
-2/4
divide top and bottom by 2
-1/2
Answer:
just rate this 5 stars so i can get 10 points
Step-by-step explanation:
type
Answer:
The answer is option 1.
Step-by-step explanation:
Firstly, you have to elaborate the expression :


Next you have to take out the common factors and factorize it :



Answer:
480
Step-by-step explanation:
If a person blinks every 3 minutes, there is 60 minutes in 1 hour. So, multiply 60 by 24 (hours a day), 60 x 24 = 1440 minutes.
1440/3 = 480