3 years ago

Can someone help me with this? Thank you!

1 answer:

3 0

The correct answer should be the third option. YOU'RE WELCOME :D

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Burka [1]

$x^2 + 4y^2 + 6x-40y+9 =0\\x^2 + 6x+9+4y^2-40y=0\\x^2+6x+9+4y^2-40y+100-100=0\\(x+3)^2+(2y-10)^2=100$

P.S. Hello from Russia

7 0

3 years ago

Anna35 [415]

half means 2

90 divided by 2

90/2

Answer: 45

3 0

3 years ago

Luba_88 [7]

Answer:

5 units

Step-by-step explanation:

If DG, EG and FG are perpendicular bisectors of the sides of triangle ABC, then point G is the circumcenter of the triangle ABC and

BG = AG = CG as radii of the circumcirle.

Consider right triangle BEG. By the Pythagorean theorem,

$BG^2=EG^2+BE^2\\ \\BG^2=4^2+3^2\\ \\BG^2 =16+9\\ \\BG^2=25\\ \\BG=5\ units$

This gives us that

AG = BG = 5 units

3 0

3 years ago

katen-ka-za [31]

6.12 is Irrational

3 0

3 years ago

jeka57 [31]

4/10 and 10/10:

7/10.

5 0

4 years ago