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kenny6666 [7]
2 years ago
15

Could someone please help me with this one

Mathematics
1 answer:
Dvinal [7]2 years ago
8 0
The answer is a because when they are added that's what they equal then divide by 5
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Which equation represents the circle described? (in picture)
Sedaia [141]
You are right. In circle equation we have =r² so the correct answer will be C od D.  But we have to calculate the center of a circle.

x^2+y^2-8x-6y+24=0\quad|-24\\\\(x^2-8x)+(y^2-6y)=-24

Complete the square:

x^2-8x+a^2\implies a=\dfrac{8x}{2x}=4\implies x^2-8x+4^2\\\\\\y^2-6y+b^2\implies b=\dfrac{6y}{2y}=3\implies y^2-6y+3^2

And we have:

(x^2-8x)+(y^2-6y)=-24\\\\(x^2-8x+4^2)-4^2+(y^2-6y+3^2)-3^2=-24\\\\
(x-4)^2+(y-3)^2-16-9=-24\\\\(x-4)^2+(y-3)^2-25=-24\quad|+25\\\\\boxed{(x-4)^2+(y-3)^2=1}

So the answer is C (the same left side of equation).
6 0
3 years ago
If f(x)=2xsquared+3x-2/x+2 is continuous at x=-2, then f (-2)=
Svet_ta [14]
F(x) = (2x-1)(x+2)/ (x+2)
f(x) = 2x-1
f(-2) = 2(-2)-1
f(-2) = -5
6 0
2 years ago
6.3m = how many ft? please hurry​
kondaur [170]

Answer:

20.6693

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Estimate 2000 ÷3.67​
inysia [295]

Answer:

1.30

Step-by-step explanation:

2000^3.67 =1.3025071e+12

3 0
3 years ago
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Half an avocado has about 160 calories. how many calories do a dozen avocado have
deff fn [24]
160 * 2 = 320 * 12 = 

3,840 calories

<em><u>I hope this helped!</u></em>
5 0
3 years ago
Read 2 more answers
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