A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of 40 ft/s. At what rate is his distance from second base decreasing when he is halfway to first base? Round the result to the nearest hundredth.
What will be an ideal response?
17.89 ft/s
Mathematics
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 3, u '(1) = -6, v(1) = 7, v '(1) = -3.
at x = 1
A. - 
B. - 
C. - 
D. - 
Mathematics
Find the requested value.Find sin ? if tan ? = - 
and cos ? = 
.
A. 
B. 
C. - 
D. - 
Mathematics
Solve the equation.
+ 9 = 18
A. 370
B. 
C. no solution
D. 
Mathematics
Add or subtract as indicated. Write the answer in simplest form.6 - 
A. 
B. 
C. 
D. 
Mathematics