Write the sum as a product. cos 4x + cos 5x
What will be an ideal response?
cos 4x + cos 5x = 2cos(9x / 2)cos(x / 2)
Mathematics
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Multiply.[x + (y + 6)][x - (y + 6)]
A. x2 + 12x - 12y + y2 - 36 B. x2 + 2xy + y2 - 36 C. x2 - 2xy - 12y - y2 + 36 D. x2 - y 2 - 12y - 36
Mathematics
Provide an appropriate response.If Z has a standard normal distribution, find P(-0.65 < Z < 1.92).
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the equation.
(10x - 
) - 
= 
A. 
B. 
C. 
D. 
Mathematics
Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = - 3f(x + 5) + 4
A. 
B. 
C. 
D. 
Mathematics