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sasho [114]
3 years ago
11

A rectangle has a perimeter of (12x+8y). If one side of the rectangle is (4x-2y), write an expression of the other side.

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
3 0

Answer:4x+12y

Step-by-step explanation:

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2y = 4x - 8 <br>3x + 2y = 6<br>graph​
Vinvika [58]

Answer:

  see attached

Step-by-step explanation:

I find it convenient to let a graphing calculator draw the graph (attached).

__

If you're drawing the graph by hand, there are a couple of strategies that can be useful.

The first equation is almost in slope-intercept form. Dividing it by 2 will put it in that form:

  y = 2x -4

This tells you that the y-intercept, (0, -4) is a point on the graph, as is the point that is up 2 and right 1 from there: (1, -2). A line through those points completes the graph.

__

The second equation is in standard form, so the x- and y-intercepts are easily found. One way to do that is to divide by the constant on the right to get ...

  x/2 +y/3 = 1

The denominators of the x-term and the y-term are the x-intercept and the y-intercept, respectively. If that is too mind-bending, you can simply set x=0 to find the y-intercept:

  0 +2y = 6

  y = 6/2 = 3

and set y=0 to find the x-intercept

  3x +0 = 6

  x = 6/3 = 2

Plot the intercepts and draw the line through them for the graph of this equation.

___

Here, we have suggested graphing strategies that don't involve a lot of manipulation of the equations. The idea is to get there as quickly as possible with a minimum of mistakes.

8 0
3 years ago
−13 − (−27) <br> pls help-
sergij07 [2.7K]

Answer:14

Step-by-step explanation: minus *minus = + so its +27

and then you just do the maths 27-13=14

3 0
3 years ago
Work out (3.6 x 10^-5) ÷ (1.8 x 10^2) give your answer in standard form
tatuchka [14]

.000036/180=.0000002

3 0
3 years ago
What adds to make -4 but times to get -12
dimulka [17.4K]
3 because 4×3=12 and if you divide12÷3/4 it helps you check
6 0
3 years ago
For the right triangle find the missing length. Round your answer<br> to the nearest tenth.
Drupady [299]

Answer:

5.8

Step-by-step explanation:

tangent = opposite over adjacent

10*tan(30) ≈ 5.774

round to the nearest 10th

5.8

5 0
3 years ago
Read 2 more answers
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