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3 years ago

HELP PLZ

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1 answer:

Aloiza [94]3 years ago

8 0

Answer:

i don't understand your question

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Can you please help me with 1

enot [183]

Answer:

The Whiskey Rebellion was a tax protest in the United States beginning in 1791 and ending in 1794 during the presidency of George Washington, ultimately under the command of American Revolutionary war veteran Major James McFarland. The so-called "whiskey tax" was the first tax imposed on a domestic product ... The alarm was raised, and more than 500 armed men attacked

Explanation:

5 0

3 years ago

In 1903 teddy roosevelt landed troops in panama from the u.s.s. nashville supporting a pro american rebellion against what count

Yuki888 [10]

Im pretty sure Panama..but its most likely wrong..lol

5 0

3 years ago

Which country does not belong to the free-trade zone created by NAFTA?

liraira [26]

D china just took the test on edge

4 0

2 years ago

23. Find the exact value of cos(20) knowing that: *

Kaylis [27]

Answer:

$\cos(2\theta) = 0$

Explanation:

Given

$\sin(\theta) = -\frac{\sqrt 2}{2}$

$270^o < \theta < 360^o$

Required

$\cos(2\theta)$

Recall that:

$\sin^2(\theta) + \cos^2(\theta) =1$

Substitute: $\sin(\theta) = -\frac{\sqrt 2}{2}$

$(-\frac{\sqrt 2}{2})^2 + \cos^2(\theta) =1$

$\frac{1}{2} + \cos^2(\theta) =1$

Collect like terms

$\cos^2(\theta) =1-\frac{1}{2}$

$\cos^2(\theta) =\frac{1}{2}$

$\cos(2\theta)$ is calculated as:

$\cos(2\theta) = \cos^2(\theta) - \sin^2(\theta)$

So, we have:

$\cos(2\theta) = \frac{1}{2} - (-\frac{\sqrt 2}{2})^2$

$\cos(2\theta) = \frac{1}{2} - \frac{2}{4}$

$\cos(2\theta) = \frac{1}{2} - \frac{1}{2}$

$\cos(2\theta) = 0$

7 0

3 years ago

How have computer models expanded biological research?

Misha Larkins [42]

Using computer models for modelling biological we can get information on whether certain mathematical models from one animal will hold true also for another animal. This is very important because it allows for the creation of generalized models that we can use to see whether certain qualities and characteristics are true for more than one species and actually represent a general truth about biological organisms.

8 0

3 years ago