Answer:
Step-by-step explanation:
Convert the mixed number into improper fraction
To multiply one fraction by another, multiply the numerators for the numerator, and multiply the denominator for its denominator and reduce the fraction obtained after multiplication into lowest term
Convert the improper fraction into mixed number
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Answer:
B
Step-by-step explanation:
25 x 25= 625
625-1= 624
B= y= -(200 + 1) which to the square root = 625
Diversification is putting more money into more then one investment
Answer:
A
Step-by-step explanation:
just take the parenthesis off because in this equation you can just ignore them.
Answer:
A = 0 +/- nπ radians , where n is an integer.
Step-by-step explanation:
cos 2A = cos^2 A
Use the identity cos 2A = 2 cos^2 A -1 :
2cos^2 A - 1 = cos^2 A
cos^2 A = 1
Cos A = +/-1
When cos A = 1, A = 0 +/- 2nπ radians.
when cos A = -1, A = π +/- nπ radians.
