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Sidana [21]
3 years ago
6

What’s the median of the data 24,2,13,12,2,5,10,18

Mathematics
2 answers:
nataly862011 [7]3 years ago
8 0

Answer:

11

Step-by-step explanation:

arrange from smallest to greatest:

2,2,5,10,12,13,18,24

The median is the middle name.

If you have two middles, the median is the average of them.

So you have 2 middles, 10 and 12.

The average of 10 and 12 is given by (10+12)/2=11

hichkok12 [17]3 years ago
4 0

Hello There!

The median is the middle number of the data set so let’s find it!

Step 1. Order your numbers from least to greatest so after we have done that, our numbers would be 2,2,5,10,12,13,18,24

Step 2. We want to cross of a number at the beginning so Starting with 2 and the last number 18 and do that either until we get to one number in the middle or two numbers.

Step 3. There is no one number in the middle but we have the numbers 10 and 12 so we add them together which gives us a sum of 22 and then divide 22 by 2 and we get a quotient of 11.

Our median is 11.

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3 years ago
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Plz help me how would you solve 4x + 2y = 18, 3x - 5y =20 by elemination
Natalka [10]

Answer: x = 5, y = -1

<u>Step-by-step explanation:</u>

Equation 1: 4x + 2y = 18

Equation 2: 3x - 5y = 20

In order to eliminate one of the variables , find the LCM of either x or y.

<em>I chose to eliminate y.</em>  The LCM of 2 & 5 is 10.

Multiply the entire equation so the coefficient of the variable equals the LCM.

Then add the equations and solve for the remaining variable.

5(4x + 2y = 18)       -->        20x + 10y = 90

2(3x - 5y = 20)      -->        <u>   6x  - 10y</u> = <u>40 </u>

                                           26x          = 130  

                                         <u> ÷26         </u>    <u>÷26 </u>

                                                x         =  5

Next, input x = 5 into either of the equations to solve for y.

Equation 1: 4x + 2y = 18

                 4(5) + 2y = 18

                  20  + 2y = 18

                <u> -20          </u>  <u>-20 </u>

                           2y = -2

                         <u> ÷2  </u>  <u> ÷2 </u>

                             y = -1

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3 years ago
Which integers are greater than –3? Choose all answers that are correct. A. –12 B. –6 C. –2 D. 1
kipiarov [429]
Your answer would be C or D 
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4 years ago
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Answer for 14+3y &lt; 65
ivanzaharov [21]
Hey there!

14 + 3y < 65

SOME people replace “<”, “>”, “≥”, or “≤” as an equal sign (=) to make it easier to solve

14 + 3y < 65
14 + 3y = 65

SUBTRACT by 14 on both of your sides
3y + 14 - 14 = 65 - 14
CANCEL out: 14 - 14 because that gives you 0
KEEP: 65 - 14 because it helps you solve for “y”

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NEW EQUATION: 3y = 51

DIVIDE by 3 both of your sides
3y/3 = 51/3
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NEW EQUATION: y = 51/3

**51/3 = 17**

Answer: y = 17 ☑️

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Answer:

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What we use here is the z-scores statistic

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x = 65, mean = 63, SD = 13 and n = 25

Plugging these values in the z-score equation, we have

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This can be obtained from the standard normal distribution table

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