Find AB

Mathematics

1 answer:

Pavel [41]3 years ago

7 0

A) 24 because it a very simple

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(2h3 + 6h) + (3h3 - 7h - 3) standard form sum or difference.

worty [1.4K]

Answer:

$5h^3- h - 3$

Step-by-step explanation:

Given

$(2h^3 + 6h) + (3h^3 - 7h - 3)$

Required

Standard form

We have:

$(2h^3 + 6h) + (3h^3 - 7h - 3)$

Remove bracket

$(2h^3 + 6h) + (3h^3 - 7h - 3) =2h^3 + 6h + 3h^3 - 7h - 3$

Collect like terms

$(2h^3 + 6h) + (3h^3 - 7h - 3) =2h^3 + 3h^3+ 6h - 7h - 3$

$(2h^3 + 6h) + (3h^3 - 7h - 3) = 5h^3- h - 3$

Hence, the standard form is:

$5h^3- h - 3$

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Answer:

Step-by-step explanation:

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a certain pharmaceutical company know that, on average 4% of a certain type of pill has an ingredient that is below the minimum

FinnZ [79.3K]

Using the binomial distribution, it is found that there is a 0% probability that fewer that 5 in a sample of 20 pills will be acceptable.

For each pill, there are only two possible outcomes, either it is acceptable, or it is not. The probability of a pill being acceptable is independent of any other pill, which means that the binomial distribution is used to solve this question.

Binomial probability distribution

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$