B. ab < 0
Mathematics, 13.06.2020 22:57 tami490
If a > 0 and b < 0, which of the following must be true?
A. ab > 0
B. ab < 0
C. a + b > 0
D. a + b < 0
Answers: 2
Mathematics, 21.06.2019 17:00, charitysamuels
Can someone pls ! pls answer all. no explanation needed..
Answers: 1
Mathematics, 21.06.2019 19:00, ale1910
Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?
Answers: 3
Mathematics, 21.06.2019 19:30, Dillpickle3322
Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.
Answers: 1
If a > 0 and b < 0, which of the following must be true?
A. ab > 0
B. ab < 0
B. ab < 0
Social Studies, 05.02.2020 07:50
Social Studies, 05.02.2020 07:50