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NeTakaya
3 years ago
13

Can someone help me with both I will mark u brilliant

Mathematics
2 answers:
weqwewe [10]3 years ago
8 0

Answer:

for the first question

the mean is 22

Mean is the sum of the values divided by the number of values

Step-by-step explanation:

for the second one

the median is 21

in the set of data you will get two numbers on the middle 20 and 21, add them and divide by 2 like this: 20 + 22 / 2 = 21

OLEGan [10]3 years ago
7 0

Answer: 22

Step-by-step explanation:

Add everything together (264) and divide by 12 the amount of numbers there are to find the mean or the average

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3 points
Nuetrik [128]

substitution method

Step-by-step explanation:

  1. use second equation
  2. make x subject of the formula
  3. put it back in the first equation
  4. solve to find the value of y
  5. substitute y value in any equation between the two.
  6. then you get x value

5 0
3 years ago
A retail shop is replacing their flooring with laminate wood. The floor plan is shown below. Determine the total square feet of
Phantasy [73]
<h3>Answer:  1075 square feet</h3>

===========================================================

Explanation:

As shown in the diagram below, I've drawn a blue horizontal line to split the figure into two rectangles (smaller one up top, larger down below).

The smaller rectangle up top is 25 ft by 8 ft, giving an area of 25*8 = 200 sq ft.

The larger rectangle down below is 35 ft by 25 ft so we have an area of 35*25 = 875 sq ft.

The total area is 200+875 = 1075 square feet

Notes:

  • We can write "square feet" as "sq ft" or as "ft^2" without quotes.
  • The portion "5 ft", in the upper left corner, is never used.

5 0
3 years ago
I have to do everything before tm help omg
Arte-miy333 [17]
Just divide 1372.75 by 47.5 which is 28.9
4 0
3 years ago
BCDE is a parallelogram.
kumpel [21]
The answer is 80, because that is what you get when you subtract 100 from 180 to get the third angle.
3 0
3 years ago
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Unit rate for travel 250 mild in 5 hours
Setler [38]
250 miles in 5 hours can also be written as 250/5 and since you are looking for a unit rate we must make the denominator 1 so we can divide both sides by 5 and get 50/1 in other words the unit rate is 
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