subject
Mathematics, 30.10.2020 05:50 latresyn

Find the sum (5a { }^{2} +7ab - 3b {}^{2} ) + (3a {}^{2}  - ab - 6b {}^{2})

possible answers:
A:
B:
C:
D:


2a {}^{2}  + 8ab + 3b {}^{2}
8a {}^{2}  + 7ab - 3b {}^{2}
8a {}^{2}  + 6ab - 9b {}^{2}
12a {}^{2}  + 2ab - 9b {}^{2}

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.
Answers: 1
question
Mathematics, 21.06.2019 23:00
Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?
Answers: 1
question
Mathematics, 22.06.2019 03:00
The sum of four times a number and three is two times the number minus twenty nine
Answers: 2
question
Mathematics, 22.06.2019 04:10
Which statement describes the slope of the line?
Answers: 1
You know the right answer?
Find the sum

possible answers:
A:

B:

C:

D:
Questions
Questions on the website: 13722363