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2 years ago

Which of these ia an example of gene flow?

1 answer:

7 0

In population genetics, gene flow (also known as gene migration) is the transfer of alleles or genes from one population to another. Migration into or out of a population may be responsible for a marked change in allele frequencies (the proportion of members carrying a particular variant of a gene).

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Two machines can finish a job in StartFraction 20 Over 9 EndFraction hours. Working alone, one machine would take one hour long

Alborosie

<em><u>Answer</u></em>

5 hours

<em><u>Explanation</u></em>

The two working together can finish a job in

$\frac{20}{9} \: hours$

Also, working alone, one machine would take one hour longer than the other to complete the same job.

Let the slower machine working alone take x hours. Then the faster machine takes x-1 hours to complete the same task working alone.

Their combined rate in terms of x is

$\frac{1}{x} + \frac{1}{x - 1}$

This should be equal to 20/9 hours.

$\frac{1}{x} + \frac{1}{x - 1} = \frac{9}{20}$

Multiply through by;

$20x(x - 1) \times \frac{1}{x} +20x(x - 1) \times \frac{1}{x - 1} = 20x(x - 1) \times \frac{9}{0}$

$20(x - 1) +20x = 9x(x - 1)$

$20x - 20+20x = 9{x}^{2} - 9x$

$9{x}^{2} - 9x - 20x - 20x + 20= 0$

$9{x}^{2} - 49x + 20= 0$

Factor to get:

$(9x - 4)(x - 5) = 0$

$x = \frac{4}{9} \: or \: x = 5$

It is not feasible for the slower machine to complete the work alone in 4/9 hours if the two will finish in 20/9 hours.

Therefore the slower finish in 5 hours.

8 0

2 years ago

This is an example of ______________ of variables:

Sedbober [7]

Answer:

Encapsulation is an example of variables

6 0

2 years ago

Is a class of software used to meet organization-wide business needs and typically shares data with other enterprise application

yuradex [85]

Answer:enterprise

Explanation:

5 0

1 year ago

Read 2 more answers

domain controllers store local user accounts within a sam database and domain user accounts within active directory. true or fal

Natalka [10]

Answer:

True

Explanation:

The domain controller is a server that responds within windows server domains to request for security authentication. It enforces security for windows and they are useful for storing the account information of users, that is local users within a Security Account Manager. Therefore the answer to this question is true.

Thank you!

5 0

2 years ago

Quality answers will be appriciated! :)

Naddika [18.5K]

________

A
B
D5*E5
A

6 0

2 years ago

Read 2 more answers