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Elza [17]
3 years ago
10

You have 8 names of people on a list. If you randomly chose pairs of two's, how many potential pairs are there?

Mathematics
1 answer:
exis [7]3 years ago
3 0

Answer:

56

Step-by-step explanation:

Because there are 8 names  and when you choose a name there are 7 people that can be a pair so 7*8=56

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What would happen to the slope of the graph of y=2/3×-3 if the line were shifted 6 units up?
yaroslaw [1]

The slope wouldn't change, but the y-intercept would become 3 because you add -3 to 6

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A ratio of dogs to cats a pet store is 1:3. There are 15 cats. how many dogs are at the pet store
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3 years ago
Solve y = −23(x + 9) + 4 for x when y = 0.
Vlad [161]

Answer:

x = -203/23

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

y = -23(x + 9) + 4

y = 0

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Substitute in <em>y</em>:                                                                                                  0 = -23(x + 9) + 4
  2. [Subtraction Property of Equality] Subtract 4 on both sides:                        -4 = -23(x + 9)
  3. [Division Property of Equality] Divide -23 on both sides:                                4/23 = x + 9
  4. [Subtraction Property of Equality] Subtract 9 on both sides:                        -203/23 = x
  5. Rewrite:                                                                                                             x = -203/23
3 0
3 years ago
Read 2 more answers
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Answer:

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Step-by-step explanation:

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4.992 is the answer you want
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