Rewrite as a single logarithm using the product rule for logarithms. Assume all variables represent positive real numbers.log7x + log7y
A. log7(xy)
B. log14(x + y)
C. log7(x + y)
D. log14(xy)
Answer: A
Mathematics
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Solve.The distance to the horizon (in miles) of a satellite h miles above Earth's surface is given by the expression 
. What is the distance to the horizon from a satellite that is 25 miles above Earth? Express the answer in radical form.
A. 20
mi
B. 250
mi
C. 25
mi
D. 10 mi
Mathematics
Provide an appropriate response. Solve the system of equations using the addition method:x - 3y = 7 2x + 3y = 5
A.
(4, -1)
B.
(19, 4)
C.
(1, -2)
D.
Mathematics
Provide an appropriate response.Determine the point elasticity ? of the demand equation p = -
+ 30, where p > 0 and q > 0.
What will be an ideal response?
Mathematics
Write in decimal notation.7.0714 × 10-7
A. 0.00000070714 B. 0.0000070714 C. -707140,000 D. 0.000000070714
Mathematics