If a projectile is fired with an initial speed of ft/s an angle ? above the horizontal, then its position after t seconds is given by the parametric equations and where x and y are measured in feet.

Suppose a gun fires a bullet into the air with an initial speed of 1024 ft/s at an angle of 30° to the horizontal. What is the maximum height attained by the bullet?


4096 ft

Mathematics

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Evaluate the expression.(-4)-1

A. -4 
B. - 
C.
D. 4 

Mathematics

Write the equation of the graph after the indicated transformation(s). The graph of y = x2 is shifted 4 units to the right. This graph is then vertically stretched by a factor of 6 and reflected across the x-axis. Finally, the graph is shifted 8 units upward.

A. y = -6(x + 4)2 + 8 B. y = -6(x + 8)2 + 4 C. y = -6(x - 4)2 - 8 D. y = -6(x - 4)2 + 8

Mathematics

Use a percent proportion to answer the question.What is 80% of 500 universities?

A. 40,000 universities B. 4000 universities C. 400 universities D. 40 universities

Mathematics

Solve.A recipe calls for  cup of milk. How much milk should be used to make  of the recipe?

A.  cup
B.  cup
C.  cup
D.  cup

Mathematics