Solve the equation.0.05y + 0.09(700 - y) = 0.21y
A. 157.5
B. 504
C. 15.75
D. 252
Answer: D
Mathematics
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Use the fundamental identities and simplify the expression to get a numerical value.cot x sec x sin x
A. 0 B. -1 C. 1 D. sec2?
Mathematics
Factor the expression completely.
?
What will be an ideal response?
Mathematics
Evaluate the radical expressions or indicate that the root is not a real number.
A. -5 B. 5 C. 625 D. Not a real number
Mathematics
Explain why 
is not a basis for 
.
?
A. S is linearly dependent and does not span .
B. S is linearly dependent and spans .
C. S is linearly independent and spans .
D. S is linearly independent and does not span .
E. none of these choices
Mathematics