Two urns contain white balls and yellow balls. The first urn contains 2 white balls and 7 yellow balls and the second urn contai
2 answers:
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Answer:
The greatest rate of change is for <u>school A</u> as it has the greatest ratio of 2.5
Step-by-step explanation:
School A:
Ratio of male to female students,
School B:
Male students are related to female students by equation:
Where, means number of female students and
means number of male students.
Therefore, the ratio of male to female students is,
School C:
Ratio of male to female students is,
Now, rate of change of male to female students is directly proportional to the ratio of the two.
Hence, the greater the ratio, the greater the rate of change.
So, the greatest rate of change is for school A as it has the greatest ratio of 2.5
ANSWER
The correct answer is C
EXPLANATION
The given triangle is a right triangle. Since two angles are equal, it is a right isosceles triangle.
This implies that, x=8 units.
Using Pythagoras Theorem,
This implies that:
Take positive square root,
The correct answer is C