Find the coordinates of the points which divide the line segment AB in the given ratio in each of the following cases . 1.A(2,4) ,B(-3,9) 1:4 internally 2.A(-3,-4),B(3,5) 3:2 externally 3.A(5,1) ,B(8,-2) 4:3 internally 4.A(1,6),B(3,-2) 3:1 internally 5.A(1,2),B(6,-1) 4:2 internally

a) what number, when added to negative four, is equal to negative five?

step-by-step explanation:

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation:

step-by-step explanation: