Question

1)-7,2:(-9)=0,8; 2) 48:(-8)=6; 3) -5,6:7=-8; 4) 4,2:(-1)=-4,2?​

Answer 1

Ответ:

1) -7,2÷(-9)=0,8

2)48÷(-8)= -6

3) -5,6÷7= -0,8

4) 4,2÷(-1)= -4,2

Answer 2

Ответ:

-7,2:(-9)=0,8

48:(-8)=-6  ответ -6

-5,6:7=-0.8   ответ -0.8

4,2:(-1)=-4.2  ответ -4.2  

Answer 3

Let's evaluate each expression one by one:

1. -7 + 2 × (-9) = 0 + 8

First, we perform the multiplication: 2 × (-9) = -18. Then, we add -7 to -18: -7 + (-18) = -25. On the other side, 0 + 8 = 8.

So, the equation -7 + 2 × (-9) = 0 + 8 is not true. The correct equation would be -7 + 2 × (-9) = -25.

2. 48 ÷ (-8) = 6

When we divide 48 by -8, we get -6. Therefore, the equation 48 ÷ (-8) = 6 is not true. The correct equation would be 48 ÷ (-8) = -6.

3. -5.6 ÷ 7 = -8

When we divide -5.6 by 7, we get approximately -0.8. Therefore, the equation -5.6 ÷ 7 = -8 is not true. The correct equation would be -5.6 ÷ 7 = -0.8.

4. 4.2 ÷ (-1) = -4.2

When we divide 4.2 by -1, we get -4.2. Therefore, the equation 4.2 ÷ (-1) = -4.2 is true.

To summarize:

1. -7 + 2 × (-9) = -25
2. 48 ÷ (-8) = -6
3. -5.6 ÷ 7 = -0.8
4. 4.2 ÷ (-1) = -4.2