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Alex73 [517]
3 years ago
7

Find the solution to the system of equations.

Mathematics
1 answer:
frutty [35]3 years ago
8 0
(-1, 1)
Find the coordinates of the intersection between the lines.
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Can somebody please help me, i really didnt understand my teacher at all
Kamila [148]

Answer:

Step-by-step explanation:

It is a solution because if you plug in 84 for b you get 84/12 = 7

4 0
3 years ago
WILL GIVE BRAINLIEST IF CORRECTT
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And then Matt and Adam ending up falling in love
6 0
3 years ago
Which of the following is the complete factorization of 3x2-6x-240?
AURORKA [14]
1.  Reduce  <span>3x2-6x-240   to    x^2 - 2x - 80

2.  Use " ^ " to indicate exponentiation

3.  Factor  </span>x^2 - 2x - 80 using completing the square:

     x^2 - 2x + 1^2 - 1^2 - 80

         (x+1)^2 - 1  - 80
          (x+1)^2 - 81
          (x+1)^2 - 9^2  = (x+1-9)(x+1 +9), or (x-8)(x+10)

Final answer, with all factors shown:      3(x-8)(x+10)
4 0
3 years ago
Find each missing lengths to the nearest tenth PLEASE HELP
alisha [4.7K]

Answer:

For #1, 8.9.

Step-by-step explanation:

I can attempt to answer it, but I can't promise anything.

Alright, so, the equation for this should be A²+B²=C²

C is usually the longer side, which for you is the side that is missing.

Let's try the first one. If what I see is right, the 2 sides are 4 and 8. A is 8 and B is 4.

That means that the equation would be 8²+4²=C²

That would be 64+16=80

The equation is now 80= c²

The opposite of "to the power of 2" is a square root. So, now you're going to find the square root of 80, which is 8.9 to the nearest tenth.

So, for the first question, the answer should be 8.9

I hope this helps you solve the rest.

6 0
3 years ago
What is the value of the expression 5x − y when x = 3 and y = 1?<br><br> 14<br> 10<br> 7<br> 0
12345 [234]
5x-y
=5(3)-1
=15-1
=14

Therefore, the answer is 14.
5 0
3 years ago
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