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liubo4ka [24]
2 years ago
12

Solve for x. Round to the nearest tenth, if necessary.

Mathematics
1 answer:
Lyrx [107]2 years ago
4 0

Answer:

2.7

Step-by-step explanation:

you can do sin17 * 9.3, because sin = opp/hyp = x/9.3

use your calculator for sin17 and multiply it by 9.3

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How do you write 5.81 as a fraction?
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Answer:

5 81/100

Step-by-step explanation:

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If one quarter (25 cents) is 25% of a dollar, what percent is 23 cents?
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You need to apply the same reasoning.
25 cents is 25% of a dollar because they are 25 out of 100, that is 25/100 = 25%
For 23 cents is exactly the same reasoning:
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3 years ago
A density graph for all of the possible times from 50 seconds to 300 seconds
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Answer: D. The probability of a time from 75 seconds to 250 seconds.

Step-by-step explanation:

We know that a density curve graph for all of the possible values  from a  to b can be used to find the the probability of the values from a to b .

Given: A density graph for all of the possible times from 50 seconds to 300 seconds.

Then it can be used to find the the probability of a time in the range from 50 seconds to 300 seconds.

From all the given option only option D gives the interval which is lies in the above range.

i.e A density graph for all of the possible times from 50 seconds to 300 seconds can be used to determine the probability of a time from 75 seconds to 250 seconds.

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Research conducted by a daily U.S. newspaper has shown that about one seventh of the people in the world are left handed. Which
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Just become right handed.
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Many traffic experts argue that the most important factor in accidents is not the average speed of cars but the amount of variat
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Answer and Step-by-step explanation: Standard Deviation is the measure of how diferent a number is from the mean of the data set. It is the spread of a data set. To calculate it manually:

1) Find the mean of the data set. Mean, represented by μ, is the sum of all the values divided by the total number of elements forming the set;

2) Subtract each number with the Mean and square the result;

3) Add the differences and divide it by the total number of elements of the set;

4) Take the square root of the result and that is the <u>Standard</u> <u>Deviation.</u>

The calculations can be done by a calculator like Excel:

1) In each cell of a same column, write the data you want to know the deviation.

2) On the last cell, write: =stdev.p(A1:A10) or =stdev.s(A1:A10).

3) Press Enter. The deviation will appeared on the same cell.

The function STDEV.P is used when the data represents the entire population, whereas STDEV.S is used when the data is for a sample of the population. Inside the parenthesis, put the cells where your data is. For example, if you put your data in the column A, from cell 1 to cell 10, you write like it's written above.

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