Solve.A boat moves 7 kilometers upstream in the same amount of time it moves 17 kilometers downstream. If the rate of the current is 5 kilometers per hour, find the rate of the boat in still water.

A. 5 km/hr
B. 11 km/hr
C. 3 km/hr
D. 12 km/hr


Answer: D

Mathematics

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Simplify the expression.(-2x5y)2

A. -4x5y2 B. (-2)2x7y2 C. -4x5y D. (-2)2x10y2

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Simplify the radical expression by factoring out the largest perfect nth power.  

A. 4
B. 2
C. 2 +  
D. Not a real number

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Express the equation in logarithmic form. ? 

What will be an ideal response?

Mathematics

Solve.A rectangle that is x feet wide is inscribed in a circle of radius 26 feet. Express the area of the rectangle as a function of x.

A. A(x) = x
B. A(x) = x(2704 -x2)
C. A(x) = x
D. A(x) = x2

Mathematics