Mathematics, 05.02.2020 13:52 annafran89
There are 100 students each enrolled in at least one of three science classes. of those students, 60 are enrolled in chemistry, 45 in physics, and 30 in biology. some students are enrolled in two science classes, and 10 students are enrolled in all three. (a) how many students are enrolled in exactly two science classes? (b) there are 9 students taking both chemistry and physics (but not biology), and 4 students taking both physics and biology (but not chemistry). how many are taking both chemistry and biology (but not physics)? lewis, harry. essential discrete mathematics for computer science (p. 57). princeton university press. kindle edition.
Answers: 2
Mathematics, 21.06.2019 15:30, megancrader11
Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198
Answers: 1
Mathematics, 21.06.2019 18:00, SunsetPrincess
Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}
Answers: 1
Mathematics, 21.06.2019 18:10, lulustar13
Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin
Answers: 3
There are 100 students each enrolled in at least one of three science classes. of those students, 60...
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