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3 years ago

Me pueden ayudar ordenando estas oraciones es que es de ingles y no entiendo :p

Social Studies

1 answer:

Bogdan [553]3 years ago

8 0

Answer:

Ok intentare:

1-Will their people screens ready on everything

2-Will everyone have a smartphone

3-Will people have space in vacation

4-People won't get sick

Explanation:

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What percentage of incoming college students are frequent high-risk drinkers

Vlad1618 [11]

Answer:

11%

Explanation:

5 0

3 years ago

Suppose you find a rock that contains 10 micrograms of radioactive potassium-40, which has a half-life of 1.25 billion years. By

attashe74 [19]

Answer:

The rock is 3.75 billion years ago.

Explanation:

Given that:

Half life = 1.25 billion years

1 billion years = 10⁹ years

So,

Half life = 1.25 × 10⁹ years

$t_{1/2}=\frac {ln\ 2}{k}$

Where, k is rate constant

So,

$k=\frac {ln\ 2}{t_{1/2}}$

$k=\frac {ln\ 2}{1.25\times 10^9}\ year^{-1}$

The rate constant, k = 5.5452 × 10⁻¹⁰ years⁻¹

Initial amount [A₀] = 80 micrograms

Final amount $[A_t]$ = 10 micrograms

Using integrated rate law for first order kinetics as:

$[A_t]=[A_0]e^{-kt}$

So,

$10=80\times e^{-5.5452\times 10^{-10}\times t}$

$80e^{-5.5452\times \:10^{-10}x}=10$

$\frac{80e^{-5.5452\times \:10^{-10}x}}{80}=\frac{10}{80}$

$\ln \left(e^{-5.5452\times \:10^{-10}x}\right)=\ln \left(\frac{1}{8}\right)$

$x=\frac{10^{10}\times \:3\ln \left(2\right)}{5.5452}=3.75\times 10^9$

So,

<u>The rock is 3.75 billion years ago.</u>

8 0

3 years ago

Why does the book Justin is reading say that black people was still not free even though slavery was officially over

miskamm [114]

Answer:

Assuming that he is saying it metaphorically, it most likely means that segregation was still going on and that they still were forced too be different people.

3 0

3 years ago

According to your text, the greatest problem with all of the employee comparison methods is that they do not provide information

Alexeev081 [22]

I believe the answer is: how well an employee is actually doing

Unlike in education environment, workplaces do not adopt GPA system do measure how well an employee perform, since there are a lot of factors that could determine employees'performance, depending on the position that they're in. Because of this, it is hard to develop a comparison method that could objectively measure employees' worth.

5 0

3 years ago

Answer correctly asap

horsena [70]

Answer:

D makes the most sense

Explanation:

Hope I helped

8 0

3 years ago

Read 2 more answers