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jek_recluse [69]
3 years ago
8

Can someone explain positive and negatives to me

Mathematics
1 answer:
Alex777 [14]3 years ago
8 0

(I will do my best to entirely explain the subject) To understand Positives and Negatives you need to have a number line.

<u>-3 -2 -1 0 1 2 3</u>

Your whole life you have been using positives and negatives when you subtract or add a number. 9 - 2 is really just 9 + -2

With the number line it should be easier to understand that for every single time you add or take away you change the value. The more you take away (Negative numbers, 5 + -6) the farther down the value goes to the left, more towards the negative side (5 + -6 = -1). The same goes for addition (-6 + 9 = 3).

To multiply all you need to do is count how many times you see a negative number. If you see an even number of negatives then the answer will be positive because on the number line you went from one side to the other multiple times, left right left right and all that jazz. Hopefully i made this make more sense to you, if there is anything i need to clarify on please make it known so i can edit my answer.

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Step-by-step explanation:

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6 0
3 years ago
Which situation represents the greatest percent of change?
ra1l [238]
The answer is B!!!!!
5 0
3 years ago
Graph the line whose y-intercept is -7 and whose x-intercept is 1
vesna_86 [32]

Answer:

y=7x -7

Step-by-step explanation:

We are given two points, the y - intercept and the x - intercept.

The y - intercept being: ( 0, -7 )

The x - intercept being: ( 1, 0 )

The equation of a line in slope - intercept form is:

y = mx + b, where m is the slope and b is the y - intercept.

We already have the y - intercept. So far we have:

y = mx - 7

What we're missing is the slope.

To find the slope, we can use this formula:

\frac{y_{2}-y_{1}  }{x_{2}-x_{1}}, where x_{2} and x_{1} are the x - coordinates of both points and y_{2} and x_{1} are the y - coordinates of both points.

m=\frac{0-(-7)}{1-0} \\\\m=\frac{7}{1}\\m=7

We now have the missing piece, the slope, so the equation now is:

y=7x -7

3 0
3 years ago
Please help me i'm being timed
Evgen [1.6K]

To Find :-

  • The algebraic equations to solve the above problem .

Solution :-

Let ,

  • Large number = L
  • Small number = S

— According to first statement ,

  • L - S = 4
  • L - S - 4 = 0

— According to second statement ,

  • 3L + 4S = 54
  • 3L + 4S - 54 = 0 .

These equations matches with the second option b .

Option b is the correct answer.

7 0
3 years ago
Solve for x. x + 1/2 = 3/4 x = 1/4 x = -1/4 x = -1/2 x = 1/2
DanielleElmas [232]
<span>x + 1/2 = 3/4
</span><span>x + 2/4 = 3/4
x = 3/4 - 2/4
x = 1/4

answer
</span><span>x = 1/4</span>
7 0
3 years ago
Read 2 more answers
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