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1 year ago

I need to know the answer

Mathematics

1 answer:

grandymaker [24]1 year ago

3 0

Answer: $f(x)=-(x-5)^{2}(x+2)$

Step-by-step explanation:

There is a double root at x=5 and a single root at x=-2, so we know f(x) is of the form $f(x)=a(x-5)^{2}(x+2)$ for some constant a.

To find a, we can substitute the coordinates of the y-intercept, (0, -50).

$-50=a(0-5)^{2}(0+2)\\\\-50=50a\\\\a=-1$

So, $f(x)=-(x-5)^{2}(x+2)$

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Here we're given
p=0.10 [ success = defective ]
n=3

(a) x=0
$P(x)=C(n,x)p^x(1-p)^{n-x}$
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(b) x=2
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(c) x ≥ 2
$P(x)=\sum_{x=2}^3C(n,x)p^x(1-p)^{n-x}$
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$=C(n,2)p^2(1-p)^{n-2}+C(n,3)p^3(1-p)^{n-3}$
$=C(3,2)0.1^2(1-0.1)^{3-2}+C(3,3)0.1^3(1-0.1)^{3-3}$
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3 years ago

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3 years ago

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goldfiish [28.3K]

Answer:

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Step-by-step explanation:

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Since we are giving the diameter (14) we must divide by 2 to find the radius.

14 ÷ 2 = 7

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V = ?

Time to plug these values in!

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We have to distribute pi to 7 square that term and then multiply the value by 9.

V = 1385.44

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3 years ago

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Answer:

Step-by-step explanation:

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3 years ago