Change the exponential expression to an equivalent expression involving a logarithm.2.3x + 5 = 15
A. log2.3 15 = x + 5
B. log2.3 x = 10
C. log15 (x + 5) = 2.3
D. log(x + 5) 15 = 2.3
Answer: A
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (-5, 0), (5, 0); asymptotes: y = 
x, y = - 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
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Find the present value for the given future amount. Round to the nearest cent.A = $3300, 11 yearsr = 6% compounded quarterly
A. $1713.99 B. $1738.40 C. $6353.60 D. $1586.01
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Estimate by rounding.
A. 305 B. 310 C. 240 D. 265
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Solve the problem.Frank can type a report in 6 hr. James can type it in 5 hr . How long will it take the two of them working together?
A. 30 hr
B. 2
hr
C. 
hr
D. 
hr
Mathematics