Find all solutions in the interval [0, 2?).sin2x - cos2x = 0
A. x = 
, 
B. x = 
C. x = 
, 
, 
, 
D. x = 
, 
Answer: C
Mathematics
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Use a calculator with a square root key to find a decimal approximation for the square root. Round the number displayed as indicated.
to the nearest thousandth
A. 19.771 B. 19.779 C. 391.000 D. 19.774
Mathematics
Add or subtract as indicated.
+ 
A. 
B. 
C. 
D. 
Mathematics
Compute the compound interest.$5000 is invested at 9% compounded quarterly. In how many years will the account have grown to $10,500? Round to the nearest tenth of a year.
A. 8.3 yr B. 8.6 yr C. 12.1 yr D. 1.1 yr
Mathematics
Find the area enclosed by the given curves.Find the area between the curves y = ln x and y = ln 2x from x = 1 to x = 5.
A. ln 16 - 8 B. ln 16 C. ln 32 D. ln 2
Mathematics