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rjkz [21]
2 years ago
4

Arrange each set of real numbers in increasing order.please help me ​

Mathematics
1 answer:
Helga [31]2 years ago
4 0
1 : -2, -1, 9/2, 5
2 : -3, -9/4, 2, 5/2
3 : 14/3, 6.88, sq root of 64, 17/2
4 : 13/2, 7, sq root of 52, 17.25
5 : -6.4, -5.8, - sq root of 15, 3.2
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Answer:

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Step-by-step explanation:

we know that

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step 1

Find the slope of the line perpendicular to the river

we have

y=3x+2

The slope of the river  is m=3

Remember that if two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is -1)

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m=-1/3

step 2

Find the equation of the line into point slope form

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point(2,1)

substitute

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step 3

Find the intersection point of the river and the line perpendicular to the river

we have

y=3x+2 ------> equation A

y-1=-(1/3)(x-2) -----> equation B

Solve the system by graphing

The intersection point is (-0.1,1,7)

see the attached figure

step 3

Find the distance between the points (2,1) and (-0,1,1.7)

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

substitute

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d=\sqrt{(0.7)^{2}+(-2.1)^{2}}

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The average diameter of sand dollars on a certain island is 5.00 centimeters with a standard deviation of 0.90 centimeters. If 1
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Answer:

the probability that the average diameter of those sand dollars is more than 4.73 centimeters is 0.5910

Step-by-step explanation:

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now we calculate the probability that the average diameter of those sand dollars is more than 4.73 centimeters.

P(x>4.73)  = P (z > (4.73 - x) / (σ \sqrt{n})

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