Answer:
sinx = √2/3
Step-by-step explanation:
cos2x = 1-2sin²x
5/9 = 1-2sin²x
2sin²x =1-5/9
2sin²x = 4/9
sin²x = (4/9)/2
sin²x = (4/9)*(1/2)
sin²x = 2/9
sinx = √2/3
Answer:
(A)
Step-by-step explanation:
ZxZ-8=
Z-7
Note* Z-8=Z in the power of - 8 and Z-7=Z in the power of - 7
Answer:
Exact Form: 5/2
Decimal Form: 2.5
Mixed Number Form: 2 1/2
Step-by-step explanation:
It is the first statement. It is positive two, so it’s above sea level. We can immediately get rid of the last two statements. Then, it is negative 20. The is 18 feet below sea level, because 2-20 is -18. Positive 8 shows rising up by 8 feet. The correct statement is the first one.
Fifty , 50 20+30=50, not sure if its asking much else
