Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 3
B. x = 0.75
C. x = 1.3
D. x = 30
Answer: A
Mathematics
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Evaluate the iterated integral.
A. 13? B. 7? C. 6? D. 12?
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Write the statement indicated.State the converse of the following:If you study hard, then your grades will be good.
A. If your grades are not good, then you did not study hard. B. If your grades are good, then you studied hard. C. If you study hard, then your grades will not be good. D. If you do not study hard, then your grades will not be good.
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Write the word phrase as an algebraic expression. Use x to represent the unknown number.The quotient of a number and 4, decreased by 9
A. 
B. 
- 9
C. 
D. 
- 9
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Add.-12 + (-10)
A. 22 B. -22 C. -2 D. 2
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