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Black_prince [1.1K]
3 years ago
8

Helppp meeeeeeee plsssssss you got till nine

Mathematics
1 answer:
damaskus [11]3 years ago
3 0

Answer:

3/20 of the cover page is text about endangered species.

Step-by-step explanation:

We know that 3/8th of the page is text, and 2/5ths of that text is about endangered species.

So all we have to do is find out how much 2/5ths of 3/8ths are, which can be done simply via fraction multiplication.

3/8 * 2/5 = ?

For multiplying fractions, we multiply the top parts together, and then the bottom parts together. So 3/ 8 * 2/5 would be equal to (3*2) / (8*5). This gives us 6 / 40 which can be simplified to 3/20.

So 3/20ths of the cover page is about endangered animals.

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How long would it take to walk 1.6 miles if you were walking at 2 miles per hour​
LekaFEV [45]

Answer:

48 minutes

Step-by-step explanation:

First, we divide 1.6 by 2 to see how much out of the hour we will walk. This equals 0.8. We have walked for 0.8 of an hour. An hour is 60 minutes. 60 minutes multiplied by 0.8 is 48. It takes 48 minutes to walk 1.6 miles at 2mph.

7 0
3 years ago
Soundtronics is a company that manufactures inexpensive headphones. Due to the high volume some of the headphones are defective
Simora [160]
Ta3 l3able fi bi idek l ndaf li ba3dak mghassalon
5 0
2 years ago
To estimate the average salary among people in a certain district, a marketing team obtains a simple random sample of 100 people
bogdanovich [222]

Answer:

The interpretation is that we are 90% sure that the true average salary of the district is in this interval.

Step-by-step explanation:

x% confidence interval:

A confidence interval is built from a sample, has bounds a and b, and has a confidence level of x%. It means that we are x% confident that the population mean is between a and b.

In this question:

The 90% confidence interval for the average salary of the district is  [41500,49750].

This means that we are 90% sure that the true average salary of the district is in this interval.

3 0
3 years ago
At a small private college 9 / 20 of the students are female if there are 2160 female students how many male students
drek231 [11]

Answer:

4800

Step-by-step explanation:

x is the number of total students

x * 9/20 = number of female students

x * 9/20 = 2160

Multiply each side by 20/9

x * 9/20 * 20/9 = 2160 * 20/9

x =4800

8 0
3 years ago
Factor the expression completely.
RSB [31]

 -9.75 + 3.25x

= -3.25(3) + 3.25(x)

= -3.25(3)  -  -3.25(x)     <em>notice they have the same factor of -3.25</em>

= -3.25(3 - x)

Answer: A


3 0
3 years ago
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