Solve the logarithmic equation. Give an exact answer.log7 x + log7(x + 8) = 1
A. {-4 - 
}
B. {-1 + 
}
C. {4 + 
}
D. {-4 + 
}
Answer: D
Mathematics
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Illustrate Goldback's conjecture for the following number.30
A. 2 ? 3 ? 5 B. 5 + 25 C. 15 + 15 D. 7 + 23
Mathematics
Find all real solutions of the equation.
?
What will be an ideal response?
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Factor completely. If the polynomial is prime, so state.7x2 + 17x - 12
A. (x - 4)(7x + 3) B. (x - 3)(7x + 4) C. (x + 3)(7x - 4) D. prime
Mathematics
Divide by using long division.
A. 468 B. 325 R468 C. 325 R488 D. 325
Mathematics