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sweet [91]
3 years ago
10

Which equation represents the general from circle w

Mathematics
1 answer:
aev [14]3 years ago
8 0

d. \:  {x}^{2}  +  {y}^{2}  - 4x - 6y - 3 = 0 \\  \\ x = 2 +  \infty  \sqrt{(y - 7)(y + 1)} 2 -  \infty  \sqrt{(y - 7)(y + 1)}

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Contains the x intercept of 4x-y=8 and the point (-4,3)
nydimaria [60]
<span>1.       </span><span>4x –y = 8, the point (-4, 3)
Let’s say y = 0
=> 4x – 8
=> 4x / 4 = 8 /4
=> x = 2
So the point is (2 , 0).
Now, we have 2 forms, the (2,0) and the (-4, 3)
=> (y2 – y1)(x2 – x1) = m
=> m = (0 - 3)(2-(-4))
=> m = (0 - 3)(2+4)
=>  m = (-3)(6)
=> m = -1/2
Thus,
y = -1/2x + a
=> 0 = -1 + a so a = 1
y = -x/2 + 1</span>



7 0
3 years ago
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The total cost C for p pounds of lithium if each pound cost $5.44
Vikki [24]

c + p = $5.44

That's the equation


3 0
3 years ago
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You ride your bike x miles per hour up a mountain for 45 minutes. On the way down the mountain, you ride your bike 3 miles per h
denpristay [2]

Answer:

18/5 miles

Step-by-step explanation:

let d be the mountain dist path

upward biking

x miles - 1 hr

d 45 mins

3x/4 = d

riding down

x+3 - 60 min

d. - 20

(1/3)(x+3) = d

(x+3)/3 = 3x/4

4x+12 = 9x

x = 12/5

d =( 12*3)/(4*5)= 9/5

upward+downward = 2*(9/5) = 18/5

7 0
3 years ago
What numbers multiply to 20 &amp; add up to 9.
Fantom [35]

Answer:

4 and 5

Step-by-step explanation:

4 x 5 = 20

4 + 5 = 9

5 0
3 years ago
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Consider this expression
Vilka [71]

Answer:

I hope it will help you..

3 0
3 years ago
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