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Anarel [89]
3 years ago
7

Jane bought an item for $40 that, after seeing it had a 20% discount. janes friend said the original price was $48. is she right

or wrong?
Mathematics
1 answer:
ale4655 [162]3 years ago
6 0
Jane's friend is wrong, the original price would be $200
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Whats a mathematical phrase containing at least one variable
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Algebraic Expression

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Determine the area under the standard normal curve that lies to the right of the z-score 0.48 and to the left of the z-score 0.7
pychu [463]

Answer:

The area lies to the right of the z-score 0.48 means all the values greater than it. This can be calculated on a graphing calculator using the function normCdf, where

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<u>The result would be normCdf(0.48,9999,0,1) ≈ </u><u>0.315614</u>

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The area lies to the left of the z-score 0.79 means all the values less than it. This can be calculated on a graphing calculator using the function normCdf, where

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C

Step-by-step explanation:

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<em>C. 2 </em>×<em> 1/2 = 1 </em>

<em>D. 8/5 + 0 = 8/5</em>

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The inverse property of multiplication states that the product of a number and its inverse is one.

The inverse of 2 is 1/2. The multiplication of 2 × 1/2 = 1 , as the property states.

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O f(x) = x(x – b) 3

Step-by-step explanation:

\huge\color{aqua}{\boxed{{\colorbox{black}{hope \: it \: helps}}}}

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2 years ago
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