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Liula [17]
3 years ago
15

Which statement is not true about the data set shown? 66, 89, 90, 55, 92, 82 A.) The median ia 82 B.) The mean is 79 C.) The ran

te is 37 D.) There is no mode
Mathematics
1 answer:
Arturiano [62]3 years ago
5 0

Answer:

a

Step-by-step explanation:

Mode refers to a value that appears most frequently in a data set.

Range is the difference between the highest and lowest values of a set of observations

Range = highest value - lowest value

Mean is a measure of central tendency. It is the average of a set of numbers. It is determined by adding the numbers together and dividing it by the total number

Mean = sum of the numbers / total number

Median is the number that occurs in the middle of a set of observations

Arranging the numbers in ascending order : 55, 66, 82, 89, 90, 92

median = (82 + 89) / 2 = 85.5

There is no mode because the numbers only appear once

Range = 92 - 55 = 37

mean =  476/6 = 79

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John needs 150 feet of rope to section off part of his barn. At a local hardware store he can buy a 30 yard spool for $24 or he
Sphinxa [80]

Answer:

30 yards for 24 vs 1 foot for 25 cents

so lets multiple the yards by 3 to see how many feet

90 feet = 30 yards

90 feet 24 dollars

now lets divide 90 by 24

3.75 so 3.75 per foot

so the second one is way better

Hope This Helps!!!

7 0
2 years ago
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What function below is the inverse of :
posledela

The second option is right, because inverse means opposite. And to get the opposite just flip it and you have your answer.

7 0
3 years ago
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What is the GFC of 72 and 36
Mashutka [201]
The GCF of 72 and 36 is: 36

List out the factors of each number (72 and 36), and find the common factors between the two numbers.

Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36
Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

Looking at the factors above, the common ones are 1, 2, 3, 4, 6, 9, 12, 18, and 36. But... considering we are looking for the "greatest" common factor, our highest number out of the listed ones is 36, making it the greatest common factor of 72 and 36.
6 0
3 years ago
What is the coefficient of x^3 in the expansion of (2x-3)^5?
docker41 [41]

Answer:

309

Step-by-step explanation:

(2x-)^5

step 1

1 5 10 10 5 1

step 2

1(2x¹-3^0) 5(2x²-3^5) 10(2x³-3^4)

10(2x^4-3³) 5(2x^5-3²)

1(2x^0-3¹)

step 3

(2x) (10x²-243) (20x³-81) (20x^4-27)

(10x^5-9) (2-3)

step 4

2 -243-61-7 +1 -1=309

4 0
3 years ago
if a rectangle is twice as long as it wide and has a perimeter of 48 inches, what is the area of the rectangle​
luda_lava [24]

Answer: 128 in^{2}

Step-by-step explanation:

Let the width be W then the length will be 2W since it is twice as long as it width.

The formula for calculating the perimeter of a rectangle is given by :

P = 2 ( L + W )

48 = 2 ( W + 2W )

48 = 2(3W)

48 = 6W

Divide through by 6

Therefore:

W = 48/6

W = 8 inches

This means that the Length is 2 x 8 = 16 inches

Area = Length x breadth

Area = 16 x 8

Area = 128 in^{2}

4 0
3 years ago
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