Answer:
0.4
Step-by-step explanation:
2/5 =0.4
The unit cost =0.4
Answer:
Yeah
Step-by-step explanation:
Answer is the second option, the one that says X+1/1
We have: x ×
÷
= x ×
×
= x ×
= x ÷
ANSWER: E. 4/5
Ok done. Thank to me :>
Answer:
x=30o+n90on∈Z
Step-by-step explanation:
cos2x=sin(90o−2x)=sin(2x−30o)
Which mean 90o−2x=2x−30o+n360o
or 90o−2x+2x−30o=(2n+1)180o
The later cannot be true.
so x=30o+n90on∈Z