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Svetlanka [38]
3 years ago
9

What 2 fun facts did you learn about the inauguration

Mathematics
1 answer:
bekas [8.4K]3 years ago
8 0
1-there were a huge amount of firsts yesterday
2-first ever inauguration the ex president didn’t go
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What is the general form of the equation of the given circle with center A?
liberstina [14]
You'll want to work with the center-radius form of a circle equation for this. the center formula is <span>(x – h)</span>²<span> + (y – k)</span>²<span> = r</span>², where (h, k) is your center and r is your radius. plug in the information your circle gives you: A(-3, 12), radius = 5

(x + 3)² + (y - 12)² = (5)²  ... simplify the right side
(x + 3)² + (y - 12)² = 25 ... from here, you need to foil both of your binomials to convert this to the "general form" that your answer choices are in.
(x + 3)² = (x + 3)(x + 3) = x² + 6x + 9
(y - 12)² = (y - 12)(y - 12) = <span>y² - 24y + 144
</span>
x² + 6x + 9 + y² - 24y + 144 = 25 ... combine like terms
x² + 6x + y² - 24y + 153 = 25 ... subtract 25
x² + 6x + y² - 24y + 128 = 0 is your equation. reorder it so that it's from the highest degree to the lowest: x² + y² + 6x - 24y + 128 = 0 is your result (C).
7 0
3 years ago
Read 2 more answers
How many times does 4 go in to 82 evenly
vodomira [7]

use division;

82 ÷ 4 = 20.5

so 4 goes into 82 only 20 times evenly.

hope that helps :D

4 0
4 years ago
Daniel bought 2 boards of wood for a school project. one board is 24 inches long, and the other board is 20 inches long. he want
lisov135 [29]

Answer:

48 inches (i tried)

3 0
2 years ago
Ronnie cuts 3/5 -inch sections of wood to make a birdhouse roof. He cut 35 sections. How many inches did he cut?
Umnica [9.8K]

Answer:

If all of the sections are the same well it is 21

Step-by-step explanation:

35 x 3/5 = 21

8 0
3 years ago
Read 2 more answers
Please solve this proportion with steps (I'm stuck)<br> (9x+6)/18= (20x+4)/3x
guapka [62]
\frac{9x+6}{18}=\frac{20x+4}{3x}

Cross multiply. Distribute...
3x(9x+6)=18(20x+4)\\27x^2+18x=360x+72\\27x^2-342x-72=0\\3x^2-38x-8=0

OH GOD IT'S A QUADRATIC
<em>(our equation is in ax² + bx + c = 0 form. a=3. b= -38. c= -8.
</em><em>plug these values into the quadratic formula and simplify.)</em>
x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}=\frac{-(-38)\pm\sqrt{(-38)^2-4(3)(-8)}}{2(3)}=\frac{38\pm\sqrt{1444+96}}6\\\\\sqrt{1444+96}=\sqrt{1540}=\sqrt{4\times345}=2\sqrt{345}\\\\\frac{38\pm2\sqrt{345}}6=\boxed{x=\frac{19\pm\sqrt{345}}3}

Approximate values for x: -0.20714 or 12.874

7 0
3 years ago
Read 2 more answers
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