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mhayslett
16.12.2020 •
Mathematics
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Answers on questions: Mathematics
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- M Mathematics The distance between two points A and B on latitude 60°S along their parallel of latitude is 2816km. Calculate the angular difference in their longitudes. If A is due west of B...
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- M Mathematics Apples with mass 90 grams or less cost 32p each. Apples with mass more than 90 grams cost 39p each. Estimate the total cost of the 200 apples. (3 marks)...
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Ответ:
it's a little bit confusing and not too clear but the third one should be correct
Ответ:
So firstly, solve the parentheses, then combine it with the exponent. Your equation will look like this:
.
Next, divide both sides by 25, and your equation should be![2y=-8](/tpl/images/0091/1779/7306d.png)
Lastly, divide by 2, and your answer should be![y=-4](/tpl/images/0091/1779/4f480.png)