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Readme [11.4K]
2 years ago
6

Can someone please help me answer this

Mathematics
2 answers:
maria [59]2 years ago
8 0

Answer:

(-2,6)

Step-by-step explanation:

bogdanovich [222]2 years ago
4 0

Answer:

The center is at (-2,6) and the radius is 7

Step-by-step explanation:

The equation of a circle can be written as

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

where (h,k) is the center and r is the radius

(x+2)^2 +(y-6)^2 = 49

( x- -2)^2 +(y-6)^2 = 7^2

The center is at (-2,6) and the radius is 7

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Step-by-step explanation:

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                                            high   low

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content    low                       47      30                77

 Total                                   60      40              <u> </u><u>100</u>

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a) Total skin samples has low melanin content = 10+30=40

P(A)=\dfrac{40}{100}=0.40

b) Total skin samples has high moisture content = 13+10=23

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c) A ∩ B =  Total skin samples has both low melanin content and high moisture content =10

P(A ∩ B) =\dfrac{10}{100}=0.10

Using conditional probability formula , P (A|B)=\dfrac{P(A\cap B)}{P(B)}

P (A|B)=\dfrac{0.10}{0.23}=0.434782608696\approx0.435

d)  P (B|A)=\dfrac{P(A\cap B)}{P(A)}

P (B|A)=\dfrac{0.10}{0.40}=0.25

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3 years ago
What is the value of x?<br><br> x + 13 = 59
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Answer:

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Step-by-step explanation:

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