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AleksandrR [38]
2 years ago
5

Help mee plz... i ' m in troubleans 2,3&4

Mathematics
1 answer:
motikmotik2 years ago
5 0

Step-by-step explanation:

2) a= -3/8 and b= -5/3

a×b= b×a

<u>-3</u><u> </u>× <u> </u><u>-5</u><u> </u> = <u> </u><u>-5</u><u> </u> × <u> </u><u>-3</u><u> </u>

8. 3. 3. 8

<u> </u><u>1</u><u>5</u><u> </u> = <u> </u><u>1</u><u>5</u><u> </u>

24. 24

3)a=8/11 and b= -6/11

a×b=b×a

<u> </u><u>8</u><u> </u> × <u> </u><u>-6</u><u> </u> = <u>-6</u><u> </u> × <u> </u><u>8</u><u> </u>

11. 11. 11. 11

<u> </u><u>-48</u><u> </u> = <u> </u><u>-48</u><u> </u>

121. 121

4) a= -9/15 and b= -7/2

a×b=b×a

<u> </u><u>-9</u><u> </u> × <u> </u><u>-7</u><u> </u> = <u> </u><u>-7</u><u> </u> × <u> </u><u>-9</u><u> </u>

15. 2. 2. 15

<u> </u><u>6</u><u>3</u><u> </u> = <u> </u><u>6</u><u>3</u><u> </u> , let's divide both by 3

30. 30

<u> </u><u>2</u><u>1</u><u> </u>= <u> </u><u>2</u><u>1</u><u> </u>

10. 10

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