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Rasek [7]
2 years ago
12

Can you please help?

Mathematics
1 answer:
mina [271]2 years ago
6 0
(-3,4) (-1,4) (-3,7) are the co ordinates
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PLS HELP!<br> solve by completing the square<br> x²+4x=8
masya89 [10]

Step-by-step explanation:

x²+4x=8

rearrange

x² + 4x - 8 = 0

half of 4 is 2

so

x² + 4x + 2² - 2² - 8 = 0

do x² + 4x + 2²

multiplies to give 4 adds to give 4

2+ 2

(x + 2)²

(x + 2)² - 2² - 8

(x + 2)² - 4 - 8

(x + 2)² - 12

(x + 2 + √12) (x + 2 - √12)

√12 = √4 * √3 = 2 √3

(x + 2 + 2√3) (x + 2 - 2√3)

4 0
2 years ago
Can someone please help me understand how to answer for x, y? Thank you so much!
kodGreya [7K]

Answer:

X = 45°

Y = 72°

Step-by-step explanation:

There is a supplementary angle (an pair of angles that create a straight line is equal to 180°) and there is the rule that all three angles in a triangle equal 180° as well.

4 0
3 years ago
Read 2 more answers
What is always true about a linear pair?
kicyunya [14]

Answer:

Two angles are said to be linear if they are adjacent angles formed by two intersecting lines.

Step-by-step explanation:

3 0
3 years ago
Which 30°-60°-90° triangle is labeled with the correct side length ratio?
Allushta [10]

Answer:

o

Step-by-step explanation:

         90

-        60

__________

     30

-   30

________

  00

5 0
3 years ago
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PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!
MAXImum [283]

The last option is the answer. You can double check by substituting the -3 for the x values and the 17 for y values and the statements would be true.

4 0
3 years ago
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