Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log3(x - 5) - log3(x + 1)
A. log3
B. log3(x2 - 4x - 5)
C. log3 -6
D. log3
Answer: D
Mathematics
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Add.-8 + (-7)
A. 15 B. -15 C. -1 D. 1
Mathematics
Solve.The crushing load of a square wooden post varies directly as the fourth power of its thickness and inversely as the square of its length. If a post 
thick and 
high is crushed by a load of 
what is the crushing load of a post 
thick and 
style="vertical-align: -4.0px;" /> high? A. 900,000 tons B. 500 tons C. 4,000 tons D. 10 tons
Mathematics
Solve.A computer compiles a program in 5.347 × 10-6 seconds. Write this in decimal notation.
A. 0.0000005347 B. 0.00005347 C. -5,347,000 D. 0.000005347
Mathematics
Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log7 0.562
A. 12.4555 B. -0.2503 C. -3.3768 D. -0.2961
Mathematics