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Fudgin [204]
2 years ago
10

Simplify completely quantity 3 x squared plus 21 x minus 54 all over x squared plus 3 x minus 54 . (1 point) a 3 open parenthese

s x minus 2 close parentheses over quantity x minus 6 b 7 x over x minus 1 c 1 d 10
Mathematics
1 answer:
Veronika [31]2 years ago
4 0

Answer:

3(x-2)/x-6

Step-by-step explanation:

Hope this helps!

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If the function is continuous on (a,c), it has a maximum at b. if it is not continuous, nothing can be said.
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when comparing salaries,which unit rate is better is better: $3,250/month or $4,000/momth? explain answer
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Lots of 40 components each are deemed unacceptable if they contain 3 or more defectives. The procedure for sampling a lot is to
MrRissso [65]

Answer:

The probability of founding exactly one defective item in the sample is P=0.275.

The mean and variance of defective components in the sample are:

\mu=0.375\\\\\sigma^2=0.347

Step-by-step explanation:

In the case we have a lot with 3 defectives components, the proportion of defectives is:

p=3/40=0.075

a) The number of defectives components in the 5-components sample will follow a binomial distribution B(5,0.075).

The probability of having one defective in the sample is:

P(k=5)=\binom{5}{1}p^1(1-p)^4=5*0.075*0.925^4=0.275

b) The mean and variance of defective components in the sample is:

\mu=np=5*0.075=0.375\\\\\sigma^2=npq=5*0.075*0.925=0.347

The Chebyschev's inequality established:

P(|X-\mu|\geq k\sigma)\leq \frac{1}{k^2}

6 0
3 years ago
A cone is placed inside a cylinder as shown. The radius of the cone is half the radius of the cylinder. The height of the cone i
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Given:
Volume of the cone = π r² h/3

radius of the cone is half the radius of the cylinder ⇒ r/2
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V = 3.14 * (r/2)² * r/3
V = 3.14 * r²/4 * r/3
V = 3.14r³ / 12

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3 years ago
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The answer is c i believe
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2 years ago
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