-24x. This is an example of a "telescoping series". If you notice, the last and first part of each term cancel out. Take away the parenthesis and you'll see it. x-3x+3x-5x+5x-7x+7x... everything goes away except x-25x so it's -24x.
Answer from: Quest
step-by-step explanation:
the first 5 right here the next 5 i will upload as separate question
Answer from: Quest
6.9
step-by-step explanation:
simple math really
6 1/2 times 0.6 = 3.9
but if you are just doing 6 and not 6 1/2 then the answer is 3.6
White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.
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