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natita [175]
2 years ago
12

if there are 20 questions on a test and I get 45% on the test how much is each question worth percent wise?? using numbers and t

oo how much each question is worth through percentages
Mathematics
2 answers:
m_a_m_a [10]2 years ago
8 0
Each question is worth 5 points
alexdok [17]2 years ago
6 0

Answer:

Each question worth 5.

Step-by-step explanation:

Each question worth 5 Point because

5 x 20 = 100

Hence, 20 question each question worth 5 point.

If You get a 45% then you miss 11 question and only get 9 question correct..

9/20 x 100 = 45.

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In terms of mathematical concepts, “permutation” and “combination” are related to each other.

The combination is the counting of selections that we make from n objects.

Oscar was not safeguarding his personal identification and chose a two-digit PIN for his debit card using the numbers 0 - 9.

There are 10 possible values for each digit of the PIN (namely: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9), so there are;

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Now, because you can't use the same number twice, we subtract 10 from 100 because there are 10 numbers that can match themselves.

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Hence, there are 90 different identification numbers possible.

Learn more about combination here;

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