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Pavel [41]
3 years ago
6

WHOEVER ANSWERS FIRST I'LL MARK BRAINLIEST!!!!! EASY QUESTION!!!!

Mathematics
2 answers:
yanalaym [24]3 years ago
7 0

Answer:

1. 100

2. 100

3. 100

See the description of the pattern below.

Step-by-step explanation:

We can represent each of these questions with an equation, remembering that "of" should always signify multiplication, and that percents can be changed to decimals by moving the decimal place two to the left.

1. 20% of what number is 20? (Represent "what number" with "x.")

  20% = .20

  .20x = 20

  x = 20/.20

  x = 100

2. 90% of what number is 90?

   90% = .90

   .90x = 90

    x = 90/.90

    x = 100

3. 778% of what number is 778?

   778% = 7.78  not .778

   7.78x = 778

   x = 778/7.78

   x = 100

The pattern is that the answer is always 100! A percentage of 100 will always equal that same number. Just think about it logically: when we multiply anything by 100, we move the decimal place two places to the right. 20% is .20, but when multiplied by 100 it turns back into 20!

pogonyaev3 years ago
4 0

Answer:

1- 100

2- 100

3- 100

Step-by-step explanation:

20x5 is 100

10x9 is 90

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Answer:

y - 5 = -4(x + 3)

Step-by-step explanation:

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We are going to need to use this equation base to create our problem from the information given. If you are wondering what those subscripts of 1 mean (the 1 in y₁ and x₁), I will explain. Remember that:

slope (m) = <u>y - y₁</u>

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So, our first y value (which is the y-coordinate of 5 in [-3, 5]) can be added into the problem base that I had mentioned above:

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Because a negative number with a negative symbol in front of it creates a positive, we can change that as well:

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y - 5 = -4(x + 3).

I hope that this helps.

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Answer:

Step-by-step explanation:

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