-4x+3 and -2y idk if that's completely right tho
Answer:
109 - -37 = 146
Step-by-step explanation:
since you are subtracting a negative, the negative number and the sign cancel each other out. So all you have to do is add.
Just use teh same numbers as the perimeter and times it by 7 and 5
Answer:
3
Step-by-step explanation:
it will be 3 if you want to find the positive number
Answer:
0.5* sin(x)
Step-by-step explanation:
As well known sin (2A)= 2sin(A)*cos(A)
As in our case A=x/2 => cos(x/2*sin(x/2)=1/2*sin(x)=0.5*sin(x)
