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Nikolay [14]
4 years ago
8

What is the range of the following set of data: 12, -2, 9, 3, 2.4, 7.1, 11?

Mathematics
1 answer:
ser-zykov [4K]4 years ago
4 0
It is negative 6

the least number is subtracted from the greatest number
You might be interested in
The digits of a two-digit number sum to 8. When the digits are reversed the resulting number is 18 less than the onginal
polet [3.4K]

Answer:

53

Step-by-step explanation:

Given: The sum of two digit number is 8

           Reversing the digit will get us number 18 less than the original.

Lets take x as tenth digit of our number and y as unit digit of our number.

As given sum of digit is 8

∴ x+y= 8

∴ y= 8-x -       equation 1

We also know that reversing the digit will get us number 18 less than the original.

∴ 10y+x = 10x +y-18

Now, lets put the value of y from equation 1

⇒ 10(8-x) + x = 10x+ (8-x)- 18

⇒ 80-9x= 9x-10

⇒ 90= 18x

∴ x= 5

Next, substituting the value of x in equation 1

y= 8-x

⇒ y= 8-5 = 3

∴ y= 3

∴ The original number is 53, sum of the digit is 8 and if we reverse the digit of the number, we get 35, which is 18 less than the original number.

7 0
4 years ago
The difference of two numbers is 5. The sum of three times the larger number and twice the smaller number is 30. What is the sma
seraphim [82]

Answer: 3

Step-by-step explanation:

Let the smaller number be y.

Since the difference of two numbers is 5,then the larger number will be: y+5

The sum of three times the larger number and twice the smaller number is 30. This can be written as:

3(y+5) + 2y = 30

3y + 15 + 2y = 30

5y + 15 = 30

5y = 30 - 15

5y = 15

y = 15/5

y = 3

The smaller number is 3

5 0
4 years ago
According to the National Retail Federation, the average shopper will spend $1,007.24 during the holiday shopping season. What i
Mazyrski [523]

Based on the amount predicted to be spent, the hypotheses will be:

  • Null Hypothesis = $1,007.24
  • Alternate Hypothesis ≠ $1,007.24

The Null Hypothesis is the one that confirms the prediction so in this case it will be that the average shopper will indeed spend $1,007.24.

The Alternate Hypothesis theorizes that the event being predicted will not happen so in this case that would mean that the shopper would not spend $1,007.24.

In conclusion, the null hypothesis confirms and the alternate denies.

<em>Find out more on the null hypothesis at brainly.com/question/15980493.</em>

7 0
3 years ago
A rectangle is 4 inches long and 4x inches wide. The value of the perimeter (in inches) is equal to the value of the area (in sq
Olin [163]

Answer:I think it’s 16 because 4x4=16

Step-by-step explanation: :D

8 0
4 years ago
Identify the best big-O estimate for the number of comparisons used by the algorithm that determines the number of 1s in a bit s
Westkost [7]

Answer:

0(n)

Step-by-step explanation:

Result previous exercise:  

procedure count(a1a2...an : string with n > 1)

i:=0

for k:=1 to n

if ak =1 then i:=i + I

return i  

<em>Note</em><em>: If you use a different algorithm, then you could possible get different results.  </em>

<u>SOLUTION  </u>

There is only one part of the code that contains an operation (comparison), namely if a_k =1  

This comparison is executed in every iteration of the for-loop  

k can take on the values from 1 to n (for k:=I to n), thus k can take on n values.  

Thus in total there are then n comparisons, while n is 0(n).

5 0
3 years ago
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