Which of the following statements are true? select all that apply.
1. for all real numbers a...
Mathematics, 20.12.2019 16:31 mjessen119
Which of the following statements are true? select all that apply.
1. for all real numbers a and b, a+b=b+a
2. for all real numbers a and b, ab=ba
3. for all real numbers a and b, a-b=b-a
4. for all real numbers a, b and c, (a+b) + c = a + (b+c)
5. for all real numbers a, b and c, (a-b) - c = a - (b-c)
6. for all real numbers a, b and c, a(b+c)= ab+ac
Answers: 1
Mathematics, 21.06.2019 18:00
Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?
Answers: 1
Mathematics, 21.06.2019 19:30
Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.
Answers: 2
Mathematics, 21.06.2019 19:30
Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.
Answers: 1
Biology, 15.07.2019 12:50
History, 15.07.2019 12:50
Biology, 15.07.2019 12:50
English, 15.07.2019 12:50
English, 15.07.2019 12:50
Mathematics, 15.07.2019 12:50
History, 15.07.2019 12:50