Answer:
-4m-3
Step-by-step explanation:
I think that it is 9 because 14-10=4 so 3+2+4=9 I’m not that sure tho let me know if I’m wrong
Answer:
x=7.8
Step-by-step explanation:
take 49 degree as reference angle
using cos rule
cos 49=adjacent/hypotenuse
0.65=x/12
0.65*12=x
7.8=x
Answer:
The time taken by both boys to complete work = 2.73 hours
Step-by-step explanation:
Time taken by rayan to dig hole
= 5 hours
Time taken by castel to dig hole
= 6 hours
Now the time taken by both persons working together

Put all the values in above formula we get


T = 2.73 hours
Therefore the time taken by both boys to complete work = 2.73 hours