Question 6
1 pts
A circular column has a safe load that varies directly as the fourth power of its diameter
and inversely as the square of its length. A 10-foot long pillar with a 4-inch diameter can
safely support a 16-ton load. Find how long a beam with a 3-inch diameter needs to
maintain a 10-ton load safely. Round to the nearest hundredth.
Question 7
1 pts
What if we are trying to find the height

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit