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2cos(2x)

This is a multi step question that requires both good understanding of probability and maniuplating algebraic fractions.PROBABILITYThe first step is recognizing that as there are 6 orange sweets out of a ...

We should eliminate one of the variables. We do this by writing them on top of one another.3x + y = 10x + y = 4 -
2x = 6 We want to know what X is and what Y is. We currently know what 2x is...

Thinking about each term individually, we can rewrite the equation as:3 x a x 4 x a x b = then we can multiply the numbers: 3 x 4 = 12then multiply the letters: a x a = a2 (a squared) x bnow join everythi...

label equation 5x + y = 21 as (1) and equation x - 3y = 9 as (2) multiply equation (2) by 5 to get : 5x - 15y = 9 (3) then subtract equation (1) from equation (2) in order the eliminate the x variable -1...