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vfiekz [6]
3 years ago
9

What number should be added to both sides of the equation to complete the square? X^2+126= 11

Mathematics
1 answer:
OverLord2011 [107]3 years ago
8 0

Answer:

126/2 = 63^2

Step-by-step explanation:

You might be interested in
ABC ~ DEF and the scale factor from ABC to DEF is 1/2, what are the lengths of DE
Likurg_2 [28]

Answer:

13

Step-by-step explanation:

ABC ~ DEF means that ABC and DEF are the same triangle either expanded or contracted.

In this case the scale factor is 1/2. That means DEF is half ABC.

Since AB = 26 then DE must be 26/2 = 13

6 0
3 years ago
Axis of symmetry y=x^2-4x+1
Andrei [34K]

Answer:

So for a quadratic function, the axis of symmetry is the line that divides the curved line in the middle, which is the h value, it can be found by using the formula -b/2a, so for here it would be 4/2(1) = 2, so x =2

Hope that answers your question

Step-by-step explanation:

6 0
2 years ago
Solve each inequality below. Represent the solutions on number lines. 7x − 2 < 3 + 2x
LekaFEV [45]
Hi, I would be glad to help you here. 

<span>7x − 2 < 3 + 2x 

Move terms 

7x - 2x - 2 < 3 

Collect the like terms

(7x - 2x) = 5x (<3 + 2 stays the same) 

Calculate 

5x (<3 + 2 = 5) 

5x <5 

Divide both sides of the inequality by (5) giving you, 

x < 1 

So, finally in a total the correct answer here is (x < 1)  

</span>
6 0
3 years ago
Give an example of an event for which the probability equals 1. Justify your answer
velikii [3]

Answer:

If it is Thursday, the probability that tomorrow is Friday

Step-by-step explanation:

8 0
4 years ago
Solve: 3(-x+2) &lt; 15<br> A<br> X&gt;7<br> B<br> x &lt; 3<br> C x&lt;-&gt;<br> D x&gt;-3
sukhopar [10]

Answer:

D x>-3

Step-by-step explanation:

3(-x+2) < 15

-3x + 6< 15 (Subtract 6 from both sides)

-3x < 9 (Divide 3 on both sides)

x>-3 (Flip the inequality because the variable was negative)

7 0
3 years ago
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