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marissa [1.9K]
2 years ago
11

Help me, I'm fighting with this question from 1 weekplease ༎ຶ‿༎ຶ​

Mathematics
2 answers:
xenn [34]2 years ago
8 0

Step-by-step explanation:

<h3>The only regular (all sides equal and all angles equal) quadrilateral is a square</h3>
hichkok12 [17]2 years ago
8 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

If all the angles of a quadrilateral is equal, then let's find the measure of each angle ~

let's assume measure of each angle be x

now, by angle sum property of a quadrilateral ~

  • x + x + x + x = 360

  • 4x = 360

  • x = 360 \div 4

  • x = 90 \degree

So, each angle of the quadrilateral is a right angle, and since it's all sides are equal too hence the required quadrilateral is a square ~

I hope it helps ~

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Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 19. Use the empirical rule
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Step-by-step explanation:

According to the empirical rule , if a data follows normal distribution then about 99.7% of the population lies with in three standard deviations from mean.

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Since , the graph of normal distribution is bell-shaped , it mean that IQ scores follow normal distribution.

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3 0
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Step-by-step explanation:

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4 0
3 years ago
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7 0
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Step-by-step explanation:

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