Answer the question or complete the sentence to make a true statement.When the absolute value of a positive number equals the absolute value of a negative number, the sum of the positive and the negative number is .
A. Not known
B. Negative
C. Positive
D. Zero
Answer: D
Mathematics
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Solve the problem.In designing a type of tubing, the expression (D + 0.1)4 is used. Expand this expression.
A. D4 + 0.004D3 + 0.06D2 + 0.004D + 0.0001 B. D4 + 0.4D3 + 0.06D2 + 0.004D + 0.0001 C. D4 + 0.4D3 + 0.06D2 + 0.4D + 0.0001 D. D4 + 0.4D3 + 0.6D2 + 0.4D + 0.1
Mathematics
Find a positive angle less than 360° or 2? that is coterminal with the given angle.-1169°
A. 271° B. 809° C. 91° D. 89°
Mathematics
Evaluate the definite integral.
A. 
e - 
B. 
e
C. 5e
D. 5e - 5
Mathematics
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
Mathematics