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Llana [10]
3 years ago
8

In a survey, 36% of the students said that they kept an electronic diary. There were 900 students who kept an electronic diary.

How many students were in the survey?
Mathematics
1 answer:
Rasek [7]3 years ago
4 0
The answer is 25000.
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4. 46 is what percent of 69?
sergij07 [2.7K]

Answer:

66%(technically 0.66 repeating)

Step-by-step explanation:

We need to figure out what percentage of 69 equates to 46. In other words, we need to figure out what percentage <u>times</u> 69 equals 46:

percentage*69 = 46

Now that we formed this equation, we can solve for the percentage as if it was x.

First lets simplfy:

percentage*69 = 46 -- > 69percentage = 46

Now we can solve for x just by getting x alone, which means we must remove the coefficent. We can do this by dividing both sides of the equation by 69:

percentage = \frac{46}{69}

=

percentage=0.66

Putting this into the form of percentage, we must multiply by 100. Since, the percentage form of a decimal is 100 times bigger(moved up 2 decimal places):

percentage = 0.66*100

=

percentage = 66%

Hope this helps! :3

4 0
2 years ago
How can I learn to do standard notation and scientific notation?
jonny [76]
Just watch videos on youtube.
5 0
3 years ago
Steps for solving rational equations
Murrr4er [49]

Answer:

1. Find the common denominator.

2. Multiply everything by the common denominator.

3. Simplify.

4. Check the answer(s) to make sure there isn't an extraneous solution.

Step-by-step explanation:

Hope this helps!

5 0
3 years ago
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Tim is a wildlife biologist studying deer parasites
Leto [7]

During a study, he finds that 12 out of 32 deer were affected by parasites. How many of the 1200 deer in the local population would he expect to be affected by parasites?

Answer:

450

3 0
3 years ago
Which function is represented by the graph?
denis-greek [22]

Answer:

It is (D)

f(x) =  \frac{ - 1}{2} x + 6

Step-by-step explanation:

I hope that is useful for you

4 0
3 years ago
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