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kodGreya [7K]
3 years ago
13

What are the values of a, b, and c in the quadratic equation 0=1/2x^2-3x-2

Mathematics
1 answer:
VMariaS [17]3 years ago
8 0
A= 1/2 b= -3 c= -2
that's it.
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With one method of a procedure called acceptance sampling, a sample of items is randomly selected without replacement and the en
GuDViN [60]

Answer:

P = 0.1447

Step-by-step explanation:

Given

n = 7000 -- total

d = 180 --- defective

r = 6 --- selected

Required

The probability of rejecting the batch

This means that at least one of the selected piece is defected.

So, we first calculate the probability that all the selected piece are accepted.

So, we have:

Pr = \frac{7000 - 180}{7000} * \frac{6999 - 180}{6999}* \frac{6998 - 180}{6998}* \frac{6997 - 180}{6997}* \frac{6996 - 180}{6996}* \frac{6995 - 180}{6995}

The denominator decreases by 1 because it is a probability without replacement; 180 is subtracted from the numerator to represent the number of non-defective CDs

So, we have:

Pr = \frac{6820}{7000} * \frac{6819}{6999}* \frac{6818}{6998}* \frac{6817}{6997}* \frac{6816}{6996}* \frac{6815}{6995}

Pr = 0.8553

Using the complement rule, the probability that the batch will be rejected is:

P = 1 - 0.8553

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8 0
2 years ago
If p(x)= 2^x, what is the value of p(3) - p(2)?
rjkz [21]

Answer:

4

Step-by-step explanation:

p(3) = 2³ = 8

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4 0
3 years ago
Can you do this 3(2x-6)-7x+4?
Serjik [45]
3(2x-6)-7x+4
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