Solve using the elimination method. Use a graphing calculator to check your answer.0.2x + 0.9y = -0.1 x - 0.7y = 4.7
A. (0.4, -0.1)
B. (-1, 4)
C. (4, -1)
D. No solution
Answer: C
Mathematics
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- 1
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A. 10-7 B. -107 C. -70 D. no solution
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Establish the identity.
= cos x + cot x
What will be an ideal response?
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A point on the terminal side of an angle ? is given. Find the exact value of the indicated trigonometric function of ?.(-4, -1)Find csc ?.
A. -17
B. -4
C. -
D. 
Mathematics