Q and T are two towns on the same parallel of latitude 50 N. Q is on Longitude 150E and T on Longitude 75 E. Taking the earth as a sphere of radius 6400km and 1 = 3.142. Calculate, correct to three significant figure a)the Radius of the parallel of latitude on which Q and T lie
b) Shorter distance QT measured along the parallel of latitude
c) Distance of T from the equator measure along the line of longitude

Which graph of a hyperbola represents the equation 16x^2-y^2=16

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

For the functions f(x) = -922 – 2x and g(x) = -32? + 6x – 9, find (f - g)(x) and (f - ).