Factor by any method.t3 + 512
A. (t - 8)(t2 + 8t + 64)
B. (t + 8)(t2 + 64)
C. (t - 512)(t2 - 1)
D. (t + 8)(t2 - 8t + 64)
Answer: D
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Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 1.17x + 18.9 B. y = 1.17x + 16.4 C. y = 1.03x + 18.9 D. y = 1.03x + 16.4
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?
Solve.The function A = A0e-0.0077x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 800 pounds of the material are initially put into the vault, how many pounds will be left after 40 years?
A. 900 lb B. 168 lb C. 588 lb D. 178 lb
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 