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valentinak56 [21]
3 years ago
8

Find the mean and median of the data 203,245,237,233,90,100,100,277,265,264,265,285,288,291,291,290,300,224,200,257,290,279,266,

288
Mathematics
1 answer:
Westkost [7]3 years ago
5 0
Here's how to find the mean: first count how many numbers there are, and remember that. Then add all the numbers up. Divide this sum by your count and you'll have the mean.

Here's how to find the median: sort the data in either ascending or descending order. Then find which one is in the "middle". That's the median.
If there isn't one specific middle because there were an even number of elements, then take the mean of the two middle elements.

Here's the mean:
There are 24 numbers.
Their sum is 203+245+237+233+90+100+100+277+265+264+265+285+288+291+290+300+224+200+257+290+279+266+288=5537
The mean is 5537/24=230.708

The median is a bit long but you know how to do it.
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What is the length of the unknown side?
777dan777 [17]

Answer:

Hi there!

The correct answer is: 20

Step-by-step explanation:

knowing this a right triangle you can solve this problem in two ways

Method One: Pythagorean Theorem

a^2 + b^2 = c^2 then plug in the values

(12)^2 + (16)^2 = c^2 this will come out to be 400 = c^2

square root both sides and you get c = 20

Method Two: Pythagorean Identities

if you ever learned the Pythagorean identity 3,4,5

this triangle is indeed a 3,4,5 triangle it's just that each side is multiplied by the factor 4

so in this case since you know the missing side should be 5 you just multiply 5 by 4 and you get 20

 

4 0
3 years ago
Mary went on vacation from the uk to the us, so she had to purchase some dollars ($). how many pounds sterling (l) did she excha
kap26 [50]

Exchange rate L 1 = $ 1.5542

Mary has $ 135

Pounds that Mary exchanged 135/1.5542

= L 86.8614 = L 87

4 0
3 years ago
Which equation does not represent a linear function of x?
Natasha_Volkova [10]
The answer is D) y = 3x^2 - 2, because the x is squared, making the function a quadratic function. Quadratic functions will be in the shape of a parabola (a u or upside down u). 

Meanwhile any function whose degree (highest exponent of x) is one is a linear function. It will have be a straight line.
5 0
3 years ago
$80 at 12%for 2years
Ivan

<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em>⤴</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>y</em><em>o</em><em>u</em><em>.</em><em>.</em>

8 0
3 years ago
How to solve it with walk through steps
mario62 [17]
You can say

x+y=5
x=5-y

You know the value of x, put it into the next equation.

3(5-y)-7y=19
15-3y-7y=19
15-19 = 10y
-4=10y
-4/10=y
-2/5=y

Put y value back into either equation to find value of x.

x+y=5
x-2/5=5
x=5+2/5
x=27/5

Therefore, x,y = (27/5, -2/5)

Hope I helped :)
6 0
3 years ago
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