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zmey [24]
3 years ago
9

Researchers surveyed recent graduates of two different universities about their income. The following two-way table displays dat

a for the sample of graduates who responded to the survey. Of graduates in the sample, what fraction came from university A?
https://gyazo.com/024c033fb3022b87aee5e6ca3695277b
Mathematics
2 answers:
ValentinkaMS [17]3 years ago
8 0

Answer:

22% is the answer

Step-by-step explanation:

First, divide 35(the number of students who have a income under 30,000 in  university A) by 160(the number of students in university A)

Secondly once you got the answer which is 0.21875. You round it up to 22% which is that answer.

HOPE THIS HELPS! :)

mario62 [17]3 years ago
3 0

Answer:

8/15

Step-by-step explanation:

First lets find the fraction. (160 people came from University A and there were 300 people in total, therefore the fraction would be:

160/300

Next, lets simplify this.

8/15

Hope this helps!

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Read 2 more answers
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Answer:

The Area of Δ ABC = 219.13

Step-by-step explanation:

<em>The hard part about this problem is finding the area without the height</em>

The formula to do this is Area = \sqrt{S(S-A)(S-B)(S-C)}

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S represents \frac{1}{2} (A + B + C)

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Lets plug the numbers into the variables

A = 28

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<u>Remember:</u> S represents  \frac{1}{2}  (A + B + C)

S =  \frac{1}{2} (28 + 21 + 21)

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S = 35

<em>Lets plug the numbers into the Area Formula now!</em>

Area = \sqrt{35(35 - 28)(35 - 21)(35 - 21)}

According to the order of operations, we need to do the calculations in parentheses <u>first</u>

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\sqrt{48020} = 219.13

The Area of Δ ABC = 219.13

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