Establish the identity.tan ? ? csc ? = sec ?
What will be an ideal response?
tan ? ? csc ? = 
? 
= 
= sec ?
Mathematics
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Use the pH scale to answer the question.What is the pH of a solution with a hydrogen ion concentration of 10-12 mole per liter? Is this solution an acid or a base?
A. pH = 12; base B. pH = 6; acid C. pH = 7; neutral D. pH = 13; base
Mathematics
Write the spreadsheet expression in ordinary algebraic notation. Let cell A1 represent the variable x.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Perform the indicated operation.(5x4 - 4x3 + 5x2 + 9) + (7x4 + 9x3 + 7x2 + 4)
A. 12x4 + 5x3 + 12x2 + 13 B. 18x4 + 18x3 + 9x2 + 3 C. 12x8 + 5x6 + 12x4 + 13 D. 29x18 + 13
Mathematics
Translate the statement into a linear inequality.The difference of a number x and 8 is positive.
A. x - 8 < 0 B. 8x ? 0 C. x + 8 > 0 D. x - 8 > 0
Mathematics