Mathematics, 18.10.2020 15:01 melanysanson11
Is the statement true or false? If false, give a counterexample.
For all real numbers a, b and c, a(b + c) = ab + bc.
A. true
B. false; a(b + c) = ab − ac
C. false; if a = b = c = 1, then 1(1 + 1) ≠ 1(1) + 1(1)
D. false; if a = 1, b = 2, and c = 3, then 1(2 + 3) ≠ 1(2) + 2(3)
Answers: 2
Mathematics, 21.06.2019 16:30
Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form
Answers: 1
Mathematics, 21.06.2019 19:00
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, 22.06.2019 00:00
The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume
Answers: 1
Is the statement true or false? If false, give a counterexample.
For all real numbers a, b and c, a...
Geography, 16.01.2020 01:31
Geography, 16.01.2020 01:31
Mathematics, 16.01.2020 01:31
Biology, 16.01.2020 01:31
Health, 16.01.2020 01:31
Mathematics, 16.01.2020 01:31
Mathematics, 16.01.2020 01:31
Health, 16.01.2020 01:31
History, 16.01.2020 01:31
Social Studies, 16.01.2020 01:31