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Ghella [55]
3 years ago
5

Solve by completing the square. ​ x2+12x+4=0

Mathematics
1 answer:
docker41 [41]3 years ago
6 0
Your answer is X= -2/7.
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Below is the graph of equation y= |x+2| −1. Use this graph to find all values of x such that y<0
Juliette [100K]

Answer:

The value of x\in (-3,-1).

Step-by-step explanation:

The graph of y=|x+2|-1 in attachment.

Using graph to find the value of x such that y<0

y<0, It means all the values of y are negatives.

As we know, negative value of y always below x-axis.

In the graph, we can see between -3 to -1 graph shown below x-axis.

Therefore, all the values of y as x\in (-3,-1) are negatives.

Hence, the value of x\in (-3,-1).

4 0
4 years ago
Will has 24 t-shirts; 1/4 are yellow and 1/3 are white. How many t-shirts are not white neither yellow
N76 [4]

Answer:

The answer would come to be 10 shirts are not white nor yellow, but six are yellow and eight are white,

Step-by-step explanation:


6 0
3 years ago
What is the value of the exponential expression 24?<br> O A. 8<br> B. 32<br> O C. 64<br> O D. 16
adelina 88 [10]

Answer:

16

Step-by-step explanation:

2^4 is the same thing as 2*2*2*2*2. 2 times 2 is 4, times 2 is 8, times 2 again is 16.

4 0
2 years ago
In a school the number of girls exceeds the number of boys by 15%. Find the ratio of the numbers of boys to girls,​
Artemon [7]

Answer:

3x-x+2=4

Step-by-step explanation:

Number of boys = x

Number of girls = x plus 15% of x = 1.15x

Ratio of boys to girls x:1.15x = 1:1.15 = 20:23\\

\\\\

4 0
2 years ago
Can anyone solve this real quick? (It's pretty easy but my brain has melted today)
Nonamiya [84]
The answer would be 66.5 sq :)!
4 0
3 years ago
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