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Mila [183]
3 years ago
12

BRAINLYEST TO WHOEVER ANSWERS FAST

Mathematics
1 answer:
inn [45]3 years ago
6 0
It is E because I did the test and it was easy so txt me if you need help
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Is -(-3) = 3 . i know its simple but I need it
Inga [223]

Answer:

Yes

Step-by-step explanation:

- ( - 3)

- 1 \div  - 3

3

<h3>Hope it is helpful....</h3>
8 0
2 years ago
Guys please help..... If the angle of O is 34 degree, AC = 12 feet, solve the AOC sector area.
9966 [12]

Answer:

Step-by-step explanation:

6 0
3 years ago
During two years, the population of birds of an island became 7 times more than before. If the first year increase in the popula
nordsb [41]

Answer:

The percent increase of the second year is 400%.

Step-by-step explanation:

Consider the provided information.

Let the population of birds was x.

After 2 years the population becomes 7 times more than before.

Therefore, after 2 years population is 7x.

In first year increase in the population was 40%.

Population after 1st year = x + 40% of x

Population after 1st year = x + 0.40x

Population after 1st year = 1.4x

The population increase from 1st year to 2nd year is: 7x-1.4x=5.6x

Thus the percentage increase is:

\% increase=\frac{5.6x}{1.4x}\times100=400\%

Hence, in second year the population of birds increase by 400%.

6 0
3 years ago
In 2011, the Institute of Medicine (IOM), a non-profit group affiliated with the Select one US National Academy of Sciences, rev
Sergio [31]

Answer:

B. Yes, there are at least 10 people with weak bones and 10 people with strong bones in each group.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation \frac{\sigma}{\sqrt{n}}

The correct answer is:

B. Yes, there are at least 10 people with weak bones and 10 people with strong bones in each group.

7 0
3 years ago
What is the solution of the inequality x/3 &gt; 1?
Alika [10]
If you would like to know what is the solution of the inequality x/3 > 1, you can calculate this using the following step:

x/3 > 1    /*3
x > 1 * 3
x > 3

The correct result would be x > 3.
6 0
3 years ago
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