Identify the equation as an identity, contradiction, or conditional equation.7(x - 1) + 3 = 9x - 2(x - 7)
A. identity
B. conditional equation
C. contradiction
Answer: C
Mathematics
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Determine all values for the digit x that make the first number divisible by the second number. If none exist, so state. 43x2 is divisible by 9.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Compute the compound interest.At what interest rate must $4000 be compounded annually to equal $9639.38 after 13 yr? (Round to the nearest percent.)
A. 6% B. 8% C. 7% D. 9%
Mathematics
Use factoring techniques to solve the equation.x2 - x = 30
A. {1, 30} B. {5, 6} C. {-6, -5} D. {-5, 6}
Mathematics
Perform the indicated operation. Assume that all variables represent nonnegative real numbers.-2
- 2
A. -6
- 2
B. -14
C. -14
D. -182
Mathematics