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Yakvenalex [24]
3 years ago
5

Which of the following is true for most distributions? Group of answer choices

Mathematics
1 answer:
Drupady [299]3 years ago
8 0

Answer:

a)

Step-by-step explanation:

The standard deviation is a measure that tells us how far measures tend to be from the mean. A low standard deviation gives us values closer to  the mean than a high standard deviation. Usually 68% of the data falls within one standard deviation of the set.

Thus, the most accurate answer would be a) Around 70% of the scores will be located within one standard deviation of the mean

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V≈2714.34ft³I hope this answer your question.
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3 years ago
An item costs $430 before tax, and the sales tax is $25.80.
bekas [8.4K]

Answer:

Step-by-step explanation:

if the item is 430, and the sales tax is 25.80

we can find how much is 1%

430/100=4.30

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8 0
3 years ago
Expand and simplify 5(2x-1)-2(3x+2)
kupik [55]

Answer:

4x - 9

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients/Degrees

Step-by-step explanation:

<u>Step 1: Define</u>

5(2x - 1) - 2(3x + 2)

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

  1. Distribute:                               10x - 5 - 6x - 4
  2. Combine like terms (x):          4x - 5 - 4
  3. Combine like terms (Z):         4x - 9
6 0
2 years ago
Simplify 6!/3! <br><br> help on my worksheet please
umka2103 [35]
6/3 is equal to the number 2
6 0
3 years ago
Read 2 more answers
I need help with solving it
mars1129 [50]

The given equation has a slope of \frac{-9}{7}.  Parallel lines have the same slope.

Point-Slope formula: y - y₁ = m(x - x₁)  ; where (x₁, y₁) is the point and "m" is slope

y - y₁ = m(x - x₁)

y - (-4) = \frac{-9}{7}(x - 2)

y + 4 = \frac{-9}{7}x + \frac{18}{7}

<u>  - 4</u>     <u>       - \frac{28}{7}</u>

   y = \frac{-9}{7}x - <u>\frac{10}{7}</u>


7 0
3 years ago
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