Provide an appropriate response.In extreme temperatures, concrete can experience a ±1.2% change in length after it is laid. Considering this, if 20 ft sections of concrete are laid for a bridge during cold weather, what width of expansion joint must be allowed so that the bridge will not buckle in hot weather? Round your answer to the nearest hundredth of a foot.
Fill in the blank(s) with the appropriate word(s).
0.24 ft
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Simplify the expression. Assume all variables represent nonnegative real numbers. Write the answer in exponential form when necessary.(256x4y-16)1/4(x2y-1/3)
A. 
B. 
C. 4x3y13/3
D. 
Starting in the year 2000, the number of crimes committed each year in Middletown is predicted to grow according to a linear growth model. During the year 2000, Middletown recorded 2 crimes (P0 = 2). During the year 2001, Middletown recorded 6 crimes (P1 = 6).During the 50 years 2000-2049, the total number of crimes recorded in Middletown predicted by the model is
A. 2000. B. 5004. C. 4996. D. 5000. E. none of these
Write four additional terms of the geometric sequence.6, 18, 54, . . .
A. 162, 486, 1458, 4374 B. 108, 216, 432, 864 C. 162, 486, 1468, 4399 D. 216, 864, 3456, 13,824
Provide an appropriate response.A shipment of 20 digital cameras contains two that are defective. A random sample of three is selected and tested. Let X be the random variable associated with the number of defective cameras in a sample. Find the probability distribution of X and the expected number of defective cameras in a sample.
What will be an ideal response?