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beks73 [17]
4 years ago
15

List your answer as an ordered pair ..please helpy= 4x - 3 y= -3x + 4

Mathematics
2 answers:
Kay [80]4 years ago
8 0
To solve this, you know that both values listed (4x - 3 and -3x + 4) are equal to y, so you know that they also must be equal to each other! Therefore you can form the following equation:

4x - 3 = -3x + 4

Now you can add -3x to both sides to combine like terms:

7x - 3 = 4

Now add 3 to both sides:

7x = 7

Now if you divide everything by seven, you see that x = 1. Now that we have out x value, we can go ahead and plug it into one of the equations. This gives us:

y = 4(1) - 3

If we multiply out, we get:

y = 4 - 3
y = 1

So y also equals 1! Now that we have our answers, we can simply put them into an ordered pair which should be in the form of (x value, y value.)

Our final answer will be (1, 1).

Hope this helps!
Natasha2012 [34]4 years ago
7 0
The coordinates are (1,1)
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How to teach two digit multiplication in a fun way?
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The problem 10x10

10
X10
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100

The top 0 has lots of friends so 0 goes over to the other 0’s house and they times each other. And 0 times any number is 0 so you put a 0 under the answer line.
Then the top 0 goes over to the bottom 1’s house and they times each other. And 0 times any number is 0 ( because if you have 0 of anything then you don’t have any) so you put a 0 under the answer line next to the 0 YOY put before so now you have 00
Then the top 1 goes over to the bottoms 1’s house and they times each other. And 1 times any thing is the other number ( because if you have 1 of anything then you don’t add anything)
So the you put a 1 by the 00

So your answer is 100!!!


Idk I tried
8 0
4 years ago
Find the solution of the system of equations<br> shown on the graph.
Ivan

Answer:

(-4, 3)

Step-by-step explanation:

From the graph, it looks like the two lines intersect at pint (-4, 3).

5 0
3 years ago
Classify -2x4 - x3 + 8x2= 12 by degree.
scoray [572]

Answer:

Step-by-step explanation:

Zero in on the highest power of x.  It's 4.  Thus, this polynomial is of the 4th degree.

Note:  Please use " ^ " to indicate exponentiation:

-2x^4 - x^3 + 8x^2 - 12

7 0
3 years ago
Which expression is equivalent to 3 to the fourth power times 3 to the 9th power
Viefleur [7K]
3 to fourth power=3^4
3 to ninth power =3^9
Now,
3 to fourth power times to the ninth power=3^4*3^9
the basis same so the powers will add:
3^(4+9)=3^13=1594323
6 0
4 years ago
The cost of 3 notebooks and 4 pencils is $8.50. Determine the cost of one notebook and one pencil
Assoli18 [71]
Call the notebooks x, and the pencils y. 
<span>3x + 4y = $8.50 and 5x + 8y = $14.50 </span>
<span>Then just solve as simultaneous equations: </span>
<span>3x + 4y = $8.50 </span>
<span>5x + 8y = $14.50 </span>

<span>5(3x + 4y = 8.5) </span>
<span>3(5x + 8y = 14.5) </span>

<span>15x + 20y = 42.5 </span>
<span>15x + 24y = 43.5 </span>

<span>Think: DASS (Different Add, Similar Subtract). 15x appears in both equations so subtract one equation from the other. Eassier to subtract (15x + 20y = 42.5) from (15x + 24y = 43.5) </span>

<span>(15x + 24y = 43.5) - (15x + 20y = 42.5) = (4y = 1) which means y = 0.25. </span>

<span>Then substitue into equation : </span>
<span>15x + 20y = 42.5 </span>
<span>15x + 5 + 42.5 </span>
<span>15x = 42.5 - 5 = 37.5 </span>
<span>15x = 37.5 </span>
<span>x = 2.5 </span>

<span>15x + 24y = 43.5 </span>
<span>15(2.5) + 24(0.25) </span>
<span>37.5 + 6 = 43.5 </span>

<span>So x (notebooks) are 2.5 ($2.50) each and y (pencils) are 0.25 ($0.25) each.</span>
6 0
3 years ago
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