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rusak2 [61]
3 years ago
6

Perpendicular segments are best described as being which of the following

Mathematics
2 answers:
Studentka2010 [4]3 years ago
8 0

Answer with explanation:

The Meaning of Perpendicular segment are those two segments which when intersect ,angle between these two adjacent segment have measure 90 degree.

For example, In the edge of rectangle , the angle between any two adjacent segment in rectangle, has measure equal to 90 degree.

Or you can consider the example of square,the angle between any two adjacent segment in rectangle, has measure equal to 90 degree.

KatRina [158]3 years ago
5 0
It's A. Segments that intersect at the right angle
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If the average yield of cucumber acre is 800 kg, with a variance 1600 kg, and that the amount of the cucumber follows the normal
lorasvet [3.4K]

Answer:

a

   The  percentage is

            P(x_1 <  X <  x_2 ) =   51.1 \%

b

   The probability is  P(Z >  2.5 ) =  0.0062097

Step-by-step explanation:

From the question we are told that

        The  population mean is  \mu =  800

        The  variance is  var(x) =  1600 \ kg

        The  range consider is  x_1 =  778 \ kg  \  x_2 =  834 \ kg

         The  value consider in second question is  x =  900 \ kg

Generally the standard deviation is mathematically represented as

        \sigma =  \sqrt{var (x)}

substituting value

        \sigma =  \sqrt{1600}

       \sigma = 40

The percentage of a cucumber give the crop amount between 778 and 834 kg  is mathematically represented as

       P(x_1 <  X <  x_2 ) =  P( \frac{x_1 -  \mu }{\sigma} <  \frac{X - \mu }{ \sigma } < \frac{x_2 - \mu }{\sigma }   )

    Generally  \frac{X - \mu }{ \sigma } = Z (standardized \  value  \  of  \  X)

So

      P(x_1 <  X <  x_2 ) =  P( \frac{778 -  800 }{40} < Z< \frac{834 - 800 }{40 }   )

      P(x_1 <  X <  x_2 ) =  P(z_2 < 0.85) -  P(z_1 <  -0.55)

From the z-table  the value for  P(z_1 <  0.85) =  0.80234

                                            and P(z_1 <  -0.55) =   0.29116  

So

             P(x_1 <  X <  x_2 ) =   0.80234 - 0.29116

             P(x_1 <  X <  x_2 ) =   0.51118

The  percentage is

            P(x_1 <  X <  x_2 ) =   51.1 \%

The probability of cucumber give the crop exceed 900 kg is mathematically represented as

             P(X > x ) =  P(\frac{X - \mu }{\sigma }  > \frac{x - \mu }{\sigma } )

substituting values

             P(X > x ) =  P( \frac{X - \mu }{\sigma }  >\frac{900 - 800 }{40 }   )

             P(X > x ) =  P(Z >2.5   )

From the z-table  the value for  P(Z >  2.5 ) =  0.0062097

 

7 0
3 years ago
What is the perimeter, P, of a rectangle that has a length of x + 5 and a width of y − 1?
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Answer:P=2x + 2y + 8

Step-by-step explanation: Perimeter (p) =2L+ 2w

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Remove bracket

P=2x+ 10 +2y - 2

P=2x+2y+8

6 0
3 years ago
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Answer: 1. 57

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              3.  20

             4.  32

             5.    16

Step-by-step explanation: am here to help

7 0
2 years ago
How will the area of the circle change if it is dilated by a scale factor of 1/2? The area will be 2 times greater than the orig
coldgirl [10]
We know that

[scale factor]=1/2
[dilated area of circle]=[original area of circle]*[scale factor]²
so
[dilated area of circle]=[original area of circle]*[1/2]²
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therefore

the answer is
<span>The area will be 1/4 the original</span>
7 0
3 years ago
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Answer:

Hey there!

The range is the possible y values, so the range of this graph would be all real numbers less than or equal to -6.

Let me know if this helps :)

6 0
3 years ago
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