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Keith_Richards [23]
3 years ago
9

Which equation shows the quadratic formula used correctly to solve 5x^2+3x-4=0for x?​

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
5 0

Answer:

x=0.64339811…

Step-by-step explanation:

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Angle E has what measurement according to the protractor?
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Answer:

Angle E has 120\°

Step-by-step explanation:

we know that

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3 years ago
In order to form a negation, just add "not" to a statement or take "not" out of a statement if it already exists.
Mnenie [13.5K]

<u>Answer:</u>

The correct answer option for this is: False.

<u>Step-by-step explanation:</u>

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To form a negation, we add the word 'not' to a statement - this part of the given sentence is true.

While 'or take "not" out of a statement if it already exists' is false which makes the whole sentence false.

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4 years ago
The popping-times of the kernels in a certain brand of microwave popcorn are normally distributed with a mean of 150 seconds and
RSB [31]
The z-score of the data can be calculated by the formula expressed as follows:

z = ( score - mean ) / standard deviation
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</span>
A z-Score<span> is a statistical </span>measurement<span> of a </span>score's<span> relationship to the mean in a group of </span>scores<span>. A </span>Z-score<span> of 0 means the </span>score<span> is the same as the mean.</span><span>

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