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Mathematics, 14.10.2019 20:00 tyshunstephens0
Prove that: cos2pi/7+cos4pi/7+cos8pi/7=-1/2
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Mathematics, 22.06.2019 03:30, lancaster4977p8mk46
Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.
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Mathematics, 22.06.2019 08:20, shyanne5276
Choco pies are cookies made from chocolate (c), sugar (s), and flour (f). chocolate costs $5 per pound, sugar costs $3 per pound, and flour costs $2 per pound. you spend $50 on 18 pounds of food and buy twice as much flour as sugar. calvin wants to invest $12,000 in deposits. for tax purposes, he wants his total interest to be $600. he wants to put $1000 more in a 2-year deposit than in a 1-year deposit and invest the rest in a 3-year deposit. how much money should he invest in each deposit?
Answers: 1
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Prove that: cos2pi/7+cos4pi/7+cos8pi/7=-1/2...
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