Convert the decimal to percent notation..645

A. 645%
B. 64.5%
C. .0645%
D. .645%


Answer: B

Mathematics

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Solve the problem.Evaluate the integral  given that x = 4t and y = (2 + t2) .

A. - 
B. - 
C.
D. - 

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Solve.The number of pets (measured in thousands) living in Springfield homes can be approximated by the equation N(x) = 0.16x2 - 0.26x + 189.7, where x is the number of years after 1990. Find 

A. N(5) = 192,400 B. N(5) = 193,440 C. N(5) = 988.4 D. N(5) = 2700

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The supply equation for a certain brand of radio is given by , where x is the quantity supplied and p is the unit price in dollars. Use differentials to approximate the change in price when the quantity supplied is increased from 10,000 units to 10,500 units. ? 

A. $0.50 B. $1.00 C. $7.00 D. $0.75 E. $6.50

Mathematics

Evaluate. ÷  ? 

A. - 28
B. - 
C. 1
D. - 

Mathematics