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Shalnov [3]
3 years ago
12

Mischka is an amateur astronomer. Using her telescope, she looks out past the Earth’s atmosphere and observes an object with a l

ong, bright, cloud-like tail behind it. What is Mischka observing?
an asteroid
a meteorite
a comet
a meteoroid
SAT
1 answer:
Lera25 [3.4K]3 years ago
8 0

mishchka is observing a comet

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Many countries use gdp per capita to compare the - in
morpeh [17]

Answer:

Many countries use GDP per capita to compare the quality of life in different countries.

Explanation:

GDP per capita is gross domestic product divided by the number of inhabitants of a country. GDP is the sum of all goods in a country, and the higher the GDP, the more it demonstrates how developed that country is, and can be classified among poor, rich or developing countries.

Per capita GDP is used as an indicator of a country's quality of life, because the richer the country is, the more its citizens benefit. For this reason, we can conclude that many countries use per capita GDP to compare the quality of life of different countries.

6 0
3 years ago
What is the ph of a 0. 300 m solution of aniline (c₆h₅nh₂, kb = 4. 3 × 10⁻¹⁰)?.
yawa3891 [41]

The pH of the solution of aniline is; pH = 4.64

<h3>pH of aniline solution</h3>

According to the question;

  • We are required to determine the hydrogen ion concentration, pH of the given aniline solution.

Since, the given Kb is kb = 4. 3 × 10⁻¹⁰.

Hence, it follows that;

  • Ka = 10-¹⁴/4. 3 × 10⁻¹⁰.

  • Ka = 2.3 × 10⁻⁵.

On this note, the pH of aniline solution is;

  • pH = -log {2.3 × 10⁻⁵}

pH = 4.64.

Ultimately, the pH of the aniline solution given is; 4.64

Read more on pH of solutions;

brainly.com/question/25639733

3 0
2 years ago
Brianna is working on her homework. her assignment is to come up with four representations for an exponential function of her ch
mash [69]

Brianna is working on her homework. using an exponential function in the form y = abˣ

<h3>What is an exponential function?</h3>

An exponential function is in the form:

y = abˣ

Where y, x are variables, a is the initial value of y and b is the multiplication factor.

Brianna is working on her homework. using an exponential function in the form y = abˣ

Find out more on exponential function at: brainly.com/question/12940982

3 0
2 years ago
If ∠1 ≅ ∠2 ≅ ∠3, ∠4 ≅ ∠5, and m∠4 = m∠3 + 10, what is m∠5?.
Pachacha [2.7K]
I'm assuming you're comparing two triangles? If not, then this is probably wrong. Triangle = 180 degrees 180 divided by 3 = 60 degrees since ∠1 ≅ ∠2 ≅ ∠3, each angle equal 60 degrees ∠4 ≅ ∠5 m∠4 = m∠3 + 10 m∠3 + 10 = m∠5 we know that m∠3 is 60 degrees. 60 + 10 = 70, so m∠5 is 70 degrees 70 degrees is the answer.
7 0
3 years ago
If x is between a and b, what would the inequality look like
marissa [1.9K]

Answer:

a<x<b

Explanation:

A is less than X, which is less than b. Could also be a>x>b

4 0
3 years ago
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