Mathematics, 12.04.2020 19:45 4Tris
12. Caroline and Nicholas go to a sale at the bookstore. Caroline buys 4 nonfiction books and 7 fiction books. Nicholas buys 8 nonfiction books and 11 fiction books. Which of the two bought a greater percentage of nonfiction books?
13. Marcus also goes to the sale and buys 6 nonfiction books. What is the fewest number of fiction books he would need to buy for his percentage of nonfiction books to be less than Caroline's?
Answers: 3
Mathematics, 21.06.2019 17:30
If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 Γ 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)
Answers: 1
Mathematics, 21.06.2019 19:30
Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20
Answers: 2
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