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Mila [183]
3 years ago
15

In the following set, the mode is the most effective measure of central tendency if you want to emphasize how small the values a

re. 32, 21, 68, 21 True False
Mathematics
1 answer:
evablogger [386]3 years ago
3 0

Answer:

FALSE

Step-by-step explanation:

The mode is a measure of the number with the highest frequency in a group of data. In the set of values (32, 21, 68, 21), the number that appears most is 21 and this is the mode.

If a set of data has two modes, it is bi-modal. If it has several modes, it is multi-modal

Consider the set of data below

2,2,3,3,5,7,8

The numbers 2 and 3 appears with the same frequency, therefore this set of data is bi-modal.

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X-5y=21 and-6x=24 solve by substitution
Zepler [3.9K]

Answer:

The value of x is (-4) and y is (-5)

Step-by-step explanation:

<h3><u>Given</u>;</h3>
  • x – 5y = 21
  • -6x = 24
<h3><u>To Find</u>;</h3>
  • Value of x
  • Value of y

Now,

-6x = 24

-6x/(-6) = 24/(-6)

x = -4

So, Substitute the value of x in x – 5y = 21

x – 5y = 21

-4 – 5y = 21

-4 + 4 – 5y = 21 + 4

-5y = 25/

-5y/(-5) = 25/(-5)

y = -5

Thus, The value of x is (-4) and y is (-5)

<h3><u>For </u><u>Verification</u>;</h3>

x – 5y = 21

-4 – 5(-5) = 21

-4 + 25 = 21

21 = 21

-6x = 24

-6(-4) = 24

24 = 24

L.H.S = R.H.S

Hence Verified!

<u>-TheUnknownScientist 72</u>

8 0
2 years ago
What is 6 divided by 812
maksim [4K]
6 divided by 812 is very difficult to do without using a calculator - I would suggest the bus shelter method, as I've shown in the photo attached, but it is still quite difficult to use that method without a calculator.

<em>If</em>, however, you mean 812 divided by 6, that is a lot easier to calculate using the bus shelter method - so, just in case, I've attached the method for that too.

6 divided by 812 = 0.007389...

4 0
3 years ago
Evaluate the expression x^4+9x^2 when x=-3
aalyn [17]

Answer:

162

Step-by-step explanation:

Step 1: Define

x⁴ + 9x²

x = -3

Step 2: Substitute and Evaluate

(-3)⁴ + 9(-3)²

81 + 9(9)

81 + 81

162

6 0
2 years ago
Read 2 more answers
Y= x^2-4x+3 in vertex form
Karolina [17]

Answer:

y=(x-2)^2-1

Step-by-step explanation:

<u>Complete the square</u>

<u />y=x^2-4x+3\\\\y+1=x^2-4x+3+1\\\\y+1=x^2-4x+4\\\\y+1=(x-2)^2\\\\y=(x-2)^2-1

4 0
2 years ago
What is the square root of 25
anastassius [24]

Answer:

5

Step-by-step explanation:

5 square, which means 5 multiplied by 5 gives you 25

4 0
3 years ago
Read 2 more answers
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