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max2010maxim [7]
2 years ago
12

Identify the set of numbers that best describes each situation. Explain your choice.

Mathematics
2 answers:
IrinaK [193]2 years ago
7 0
2。the score with respect to par of several golfers that is 2 negtive3 5 0 and negtive1 is ture
katrin [286]2 years ago
6 0

Answer:

The set of numbers that best describes the height of an airplane as it descends to an airport runway is <u><em>Rational number, Real number.</em></u>

The set of numbers that best describes the The score with respect to par of several golfers: 2, -3, 5, 0, -1 is<u> </u><u><em>Integer, Rational number, Real number.</em></u>

Step-by-step explanation:

Consider the provided information.

Natural numbers: The natural numbers are 1, 2, 3, 4, 5,…

Whole number: Whole numbers are the set of natural numbers but starts with 0. i.e. 0, 1, 2, 3, 4, 5,…

Integers: Integers are the set of whole number and the negatives of the natural numbers, i.e, … ,-2, -1, 0, 1, 2, …

Rational number: A number   is said to be rational, if it is in the form   of p/q. Where p and q are integer and   denominator is not equal to 0.The decimal expansion of rational numbers may terminate or become periodic.

Irrational   number: A   number is irrational if it cannot   be   expressed by dividing two     integers. The decimal expansion of     Irrational numbers are neither terminate nor     periodic.

Real numbers: All rational and Irrational   numbers are called real number.

Part(A)

The height of an airplane as it descends to an airport runway.

The height of an airplane descends to airport can be thousands of feet or it can be half feet.

Therefore, the height of airplane can be a rational number or real number.

Part (B) The score with respect to par of several golfers: 2, -3, 5, 0, -1

The score of the golfers are negative as well as positive.

Therefore, the set of number which represents the score of several golfers is: Integer, rational and real number.

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Triangle G F E is cut by line segment H J. Line segment H J goes from side G E to F E. The length of G F is 4 x minus 4, the len
alexira [117]

Answer:

HJ = 8  JE = 4

Step-by-step explanation:

it is given that H is the midpoint of GE and J is the midpoint of FE. According to the midpoint theorem the line segment connecting the midpoint of two sides is parallel to the three side and its length is half of the third side. since JH is connecting the midpoints.

HJ= 1/2 (GF)

x + 3 = 1/2 (4x - 4)

x + 3 = 2x - 2

x = 5

^ Thus meaning the value of x is 5.

Now you just fill into your equations:

HJ = x + 3 = (5)  + 3 = 8

JE = x - 1 = (5) - 1 = 4

Therefore, HJ = 8; JE = 4.

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2 years ago
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Evaluate ∣∣256+y∣∣ for y=74. A. 225 B. 315 C. 345 D. 4712
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Step-by-step explanation:

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The heights of the trees for sale at two nurseries are shown below. Heights of trees at Yard Works in feet : 7, 9, 7, 12, 5 Heig
Troyanec [42]

Answer:

The mean of tree heights at Yard Works is 8 feet and at Grow Station is 9 feet.The mean absolute deviation of the tree heights at both yards is 2.

Step-by-step explanation:

1). Height of the trees at Yard Works are = 7,9,7,12,5 feet

So mean height of the trees = (7+9+7+12+5)÷5

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Standard deviation of the trees at Yard works = ∑(║(height of the tree-mean height of the tree))║/(number of trees)

(height of the tree-mean height of the tree)= ║(7-8)║+║(9-8)║+║(7-8)║+║(12-8)║+║(5-8)║ = (1)+1+(1)+4+(3)= 10

Therefore standard deviation = (10)/(5) =2

2). In the same way mean height of the trees at Grow Station=(9+11+6+12+7)/5= 45/5 = 9

Now we will calculate the mean deviation of the tress at Grow Station

= ∑║(height of the tree-mean height of the tree)║/(number of trees)

= ║(9-9)║+║(11-9)║+║(6-9)║+║(12-9)║+║(7-9)║/(5)

= (0+2+3+3+2)/5

= 10/5 =2

Therefore The mean of tree heights at Yard Works is 8 feet and at Grow Station is 9 feet.The mean absolute deviation of the tree heights at both yards is 2.

                                                             

7 0
2 years ago
Read 2 more answers
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Masja [62]

Answer:

Step-by-step explanation:

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