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Eduardwww [97]
3 years ago
12

Easy algebra question below first correct answer gets brainliest

Mathematics
1 answer:
kondor19780726 [428]3 years ago
7 0

Answer:

8.06 is the correct answer

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A circle is centered at the point (5, -4) and passes through the point (-3, 2).
zepelin [54]

Answer:

(x-5)^2+(y+4)^2=100

Step-by-step explanation:

As we know the given points

Center = (5, -4)

and

Point on circle = (-3,2)

The distance between point on circle and center will give us the radius of circle

So,

The formula for distance is:

\sqrt{(x_{2}-x_{1} )^{2}+(y_{2}-y_{1})^{2}}\\Taking\ center\ as\ point\ 1\ and\ the\ other\ point\ as\ point\ 2\\d=\sqrt{(-3-5)^{2}+(2-(-4))^{2}}\\d=\sqrt{(-8)^{2}+(2+4)^{2}}\\d=\sqrt{(-8)^{2}+(6)^{2}}\\\\d=\sqrt{64+36}\\d=\sqrt{100} \\ d=10\\So\ the\ radius\ is\ 10

The standard form of equation of circle is:

(x-h)^{2}+(y-k)^{2}=r^{2}

where h and k are the coordinates of the center. So putting in the value:

(x-5)^{2}+(y-(-4))^{2}=(10)^{2}\\(x-5)^{2}+(y+4)^{2}=100

8 0
3 years ago
Work out the reciprocal of 0.4
Bond [772]

Answer:

1/0.4=10/4=5/2...............

4 0
3 years ago
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Need helpp fastt plss will give brainliest to who is correct plss helpp
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112? kxkdjejeiidisiskskdkks
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3 years ago
celina measured the height of a window frame as 5.55 feet, but the actual height was 6 feet. What is the percentage of error in
skad [1K]
(6/5.55) * 100 = 108.11 %

The percent error is 108.11 %
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3 years ago
Simplify the expression.<br> c-6 • 2c7<br> A 2с<br> В Зc-42<br> c3c<br> D2c 42
Aleks04 [339]
The answer is that c3x was the answer
4 0
3 years ago
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