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Lina20 [59]
2 years ago
11

Your class has 26 students, which represents 5% of your school's enrollment. Your friend uses the proportion 5/100 =n/26 to find

the number of students in your school . Explain your friend's error? Can you guys please help me on this problem. By the way the / is a fraction. Thanks!
Mathematics
1 answer:
dedylja [7]2 years ago
7 0
26 is a part of the whole. the proportion should be set up:

(26/x) = (5/100) It's the overall enrollment that is being asked.

If you also need to solve: Cross multiply, 26(100) = 5x, 2600 = 5x, divide both sides by 5, 520 is the enrollment
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Hoochie [10]

The term of the given quadratic sequence is found to be 3n² - n + 1 using the principle of mathematical induction.

Given,

In the question:

The quadratic sequence is :

3, 11, 25, 45, ...

To find the nth term of the quadratic sequence.

Now, According to the question;

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The difference between the first and second terms can be calculated as follows:

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The difference between the second and third terms can be calculated as follows:

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The difference between the third and fourth terms can be calculated as follows:

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Learn more about Principle of mathematical induction at:

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