Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
- 
B. 
C. 
+ 
D. 
- 
Answer: A
Mathematics
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Solve the equation.0.43x + 0.4(8,000 – x) = 3350
A. x = 5,000 B. x = 3,000 C. x = –3,000 D. x = 8,000 E. no solution
Mathematics
Give an appropriate answer.Let
f(x) = -9 and
g(x) = 4. Find
[f(x) ? g(x)].
A. -4 B. 4 C. -5 D. -36
Mathematics
Factor, if possible.x3 - x2 - 72x
A. (x2 + 1)(x - 72) B. Prime polynomial C. x(x + 9)(x - 8) D. x(x + 8)(x - 9)
Mathematics
Write the decimal in word form.856.04
A. eight hundred fifty-six and four hundredths B. eight hundred and fifty-six and four tenths C. eight hundred fifty-six and four thousandths D. eight hundred and fifty-six and four hundredths
Mathematics