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lisov135 [29]
2 years ago
14

Who understands this sum?

Mathematics
1 answer:
Ahat [919]2 years ago
6 0

Answer:

$31728

Step-by-step explanation:

sorry if I'm wrong

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What is -6x-7x? i don't understand how to do it please teach me how to solve this
Aloiza [94]

<u>How to do Negative Addition</u>

Negative Addition is almost like Positive addition. The only catch in Negative Addition is that it is like subtracting. Let me make this clearer. If you draw a number line, with the positives and the Negatives, it will look somewhat like this. (Attachment down below). As you see, the Positives are increasing to the right, but the Negatives are increasing to the left.

When you do addition, you increase right? Like you have 8+4 which is 12. In positive addition you increase to the right, (look on number line). So, if you reverse it to -8+4 you would have to increase to the right, not the left. -8+4 is not -12 because when you add, you increase not decrease. (-12 is smaller than -8 and 4).

So that means -8+4 is -4.

Trick: Subtraction

Another way to think about it is replacing the addition sign to a minus sign then make the negative go away. So, we get 8-4 which is 4. And then we put the negative sign at the 4, so we get -4.

If you don't understand this, plz tell me

<u>Solving your Problem</u>

1) Take out the X to make it simple (Later we are going to add it back

2)Draw a number line to help you (Optional)

3) Use the subtraction Trick (Optional, but imma use it)

4) 6-7= -1 (Make that positive)  

5) The answer is 1x

I hope this helped if you want here is some practice questions to get you ready and comfortable with this skill

Ps. Brianlist Would help

Practice Work~

1) -3+2

2) -10+9

3)-150+100

4) 60+-200

3 0
2 years ago
one of the crystals is a rectangular prism. the length is 26 millimeters, a width of 8.5 millimeters, and a height of 7 millimet
maxonik [38]

Answer:

Hi how are you doing today Jasmine

3 0
2 years ago
Anyone know this i need help this is for a final
Nuetrik [128]
For every week that goes on, the tiger’s weight increases by 4 lbs.

(1+4=5, 5+4=9, 9+4=13, 13+4=17)

hopefully this helps, good luck on your final! <3
5 0
3 years ago
14. The current of a river is given by the
BaLLatris [955]

Answer:

27 Degree

Step-by-step explanation:

First Draw the graph (If you want)

Tan is what we have to use because TAN = Opposite / Adjacent

TanA=2/4

TanA=1/2

TanA=0.5

Tan^-1 x (0.5)

<A= 26.565...

ROUND TO THE NEAREST DEGREE = 27 Degrees

3 0
3 years ago
Help is a quizz !!!! The question is what mistake did the make in simplifying the expression ? (explain )
stepladder [879]
5^4 / 5 = 5^4 * 5^(-1) = 5^(4-1) = 5^3 = 125
4 0
3 years ago
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