Solve the equation.log (5 + x) - log (x - 4) = log 4
A. 
B. {-7}
C. {7}
D. ?
Answer: C
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Solve the problem.Find the optimum number of batches (to the nearest whole number) of an item that should be produced annually (in order to minimize cost) if 180,000 units are to be made, it costs $3 to store a unit for one year, and it costs $340 to set up the factory to produce each batch.
A. 30 batches B. 22 batches C. 28 batches D. 20 batches
Write the polynomial in descending order of degree.-2x + 6 + 6x2
A. -6x2 - 2x + 6 B. 6x2 - 8x C. -2x2 - 6x + 6 D. 6x2 - 2x + 6
A point on the end of a tuning fork moves in simple harmonic motion described by
?
?
Find ? given that the tuning fork for middle C has a frequency 270 of vibrations per second.
?
A. 
?
B.
?
C.
?
D.
?
E.
?
A simple economy consists of three sectors: agriculture (A), manufacturing (M), and transportation (T).The inputoutput matrix for this economy is given by
Find the value of goods and transportation consumed in the internal process of production to satisfy a consumer demand
for $200 million worth of agricultural products, $100 million worth of manufactured products, and $20 million worth of
transportation. Round each number to two decimal places, if necessary.
$__________ million worth of agricultural products
$__________ million worth of manufactured goods
$__________ million worth of transportation