Solve the problem.Insulation must be put into the space between two concentric cylinders. Write a completely factored polynomial whose values give the volume between the inner and outer cylinder if the inner cylinder has radius 7 meters the outer cylinder has radius x meters, and both cylinders are 11 meters high.
A. 18 ?(x - 11)(x + 11)
B. 11?(x - 7)(x + 7)
C. 11?(x - 7)2
D. 18 ?(x - 11)2
Answer: B
Mathematics
You might also like to view...
Solve.5x3 + x2 - 5x - 1 = 0
A. -1 , 5
B. 1 , 
C. 1 , -1 , - 
D. 1 , -1
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."5 times a number
A. 5 + x
B. 5x
C. 
D. 5 - x
Mathematics
Solve the problem.Assume that the half-life of Carbon-14 is 5700 years. Find the age (to the nearest year) of a wooden axe in which the amount of Carbon-14 is 30% of what it originally had.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the logarithmic equation in exponential form.ln x = 7
A. 7e = x B. e7 = x C. ex = 7 D. x7 = e
Mathematics