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2 years ago

PLEASE HELP WILL GIVE BRAINLIEST I don't understand this at all

Mathematics

1 answer:

castortr0y [4]2 years ago

4 0

Answer:

y= -x(x+2)(x-1)².

Step-by-step explanation:

the graph and equation is in the attached picture.

The zeros of function y are: -2; 0 and 1 - they help to determine the required equation.

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Use the diagram to find the value of the median of the figure. 15.25 22.25 13.64 19.64

MariettaO [177]

Answer:

your median is 17.445

Step-by-step explanation:

put them in order least to greatest

13.64,15.25,19.64,22.25

15.25+19.64=34.89

34.89/2=17.445

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3 years ago

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3 years ago

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At camp 32 children are swimming, 25 are fishing and 28 are canoeing. How many children are swimming, fishing or canoeing?

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105 students in the camp in total.

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Price is $166.30 she has $7.08 how much more is needed

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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:

$P = 1 - 0.8553$

$P = 0.1447$

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3 years ago