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11111nata11111 [884]
3 years ago
14

For which system of equations is (5, 3) the solution?

Mathematics
1 answer:
skad [1K]3 years ago
8 0
What are the systems equations listed?
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I think ik the answer but I’m not so can someone help me
Pavlova-9 [17]

Answer:

25%

Step-by-step explanation:

I would think its 25

hope this helps, good luck :)

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5. Based on its table of values, which graph has the greatest slope?
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D they all have the same slope. 

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H=2 and h>1, hope that helps
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Triangle A B C is shown. Angle A B C is a right angle. The length of hypotenuse A C is 9, the length of B C is 2, and the length
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2 years ago
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Check whether x² +4x +4 is prefect spuare expression or not . if so factorise the expression<br>​
irinina [24]

Answer:

It is a perfect square expression.

It factors to (x+2)^2

===========================================================

Explanation:

The general format for a perfect square is

(a+b)^2 = a^2 + 2ab + b^2

Which can be seen through the use of the FOIL rule.

Compare x^2+4x+4 with a^2+2ab+b^2, and we have these three equivalences:

  • x^2 = a^2 .... first terms
  • 4x = 2ab .... middle terms
  • 4 = b^2 .... last terms

Since x^2 = a^2, we can apply the square root to both sides to get a = x. Similarly, 4 = b^2 leads to b = 2. We could get b = -2, but that would mean 2ab = 2x*(-2) = -4x instead of 4x. So we'll stick with b = 2 instead.

Because a = x and b = 2, we then can say:

(a+b)^2 = a^2 + 2ab + b^2

(x+2)^2 = x^2 + 2*x*2 + 2^2

(x+2)^2 = x^2 + 4x + 4

Showing that x^2+4x+4 factors to (x+2)^2.

7 0
2 years ago
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