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nydimaria [60]
3 years ago
9

100 points to whoever answers this question!!

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
7 0
Im kind of confused because i think median, mean and mode are the same thing, but I can you that in order to find mean which is average, you add all the numbers up from each country and divide by how many numbers you added up. Any questions about that? and you just graph. I hope you know how to graph. You go to the country on the bottom and then go up according to the Y axis until you reach the mean/average height that the country jumped. And whoever has the lowest number which is the fastest speed is the gold medalist. As the numbers go up, you put down silver, and bronze in number order from smallest to biggest. As in the first 3 fastest numbers. 
Klio2033 [76]3 years ago
4 0
Sweden is 2.12 in its mean and Germany is 2.03 I kinda made a mistake bout the winner didn’t read the instructions well the country with the least is the winner Sorry about that...my bad

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D is the midpoint of line segment GH. GH = 3x - 1 and DH = 16. Find x.​
docker41 [41]

Answer:

3x-1=16*2

3x=32+1

3x=33/:3

x=11

Step-by-step explanation:

3 0
3 years ago
A tennis coach took his team out for lunch and bought 8 hamburgers and 5 fries for $24. The players were still hungry so the coa
g100num [7]

The cost of 1 hamburger is $ 2.5 and cost of 1 fries is $ 0.8

<h3><u>Solution:</u></h3>

Let "f" be the cost of 1 fries

Let "h" be the cost of 1 hamburger

<em><u>Given that, tennis coach took his team out for lunch and bought 8 hamburgers and 5 fries for $24</u></em>

8 x cost of 1 hamburger + 5 x cost of 1 fries = 24

8 \times h + 5 \times f = 24

8h + 5f = 24 -------- eqn 1

<em><u>The players were still hungry so the coach bought six more hamburgers and two more fries for $16.60</u></em>

6 x cost of 1 hamburger + 2 x cost of 1 fries = 16.60

6 \times h + 2 \times f = 16.60

6h + 2f = 16.60 ------ eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

Multiply eqn 1 by 2

16h + 10f = 48 ------ eqn 3

Multiply eqn 2 by 5

30h + 10f = 83 -------- eqn 4

<em><u>Subtract eqn 3 from eqn 4</u></em>

30h + 10f = 83

16h + 10f = 48

( - ) ----------------------

14h = 35

<h3>h = 2.5</h3>

Substitute h = 2.5 in eqn 1

8(2.5) + 5f = 24

20 + 5f = 24

5f = 4

<h3>f = 0.8</h3>

Thus cost of 1 hamburger is $ 2.5 and cost of 1 fries is $ 0.8

5 0
3 years ago
Radioactive Decay Beginning with 16 grams of a radioactive element whose half -life is 30 years ,the mass y(in grams) remaining
Flura [38]

Answer:

the equation should be corrected to fit the data of the problem.  With the corrected equation a mass of 0.5 grams remains after 150 years

Step-by-step explanation:

for the mass y( in grams)

y=23* (1/2)^(t/45), t ≥ 0.

the initial mass is at t=0 , then

y= 23 grams  → should be 16 grams

half-life from the equation = 45 years → should be 30 years

the correct equation should be

y=16*(1/2)^(t/30), t ≥ 0

then after 150 years  → t= 150

y=16*(1/2)^(150/30)= 16*(1/2)^5 = 16/32 = 0.5 grams

then a mass of 0.5 grams remains after 150 years

5 0
3 years ago
Price of an item has been reduced by 60% the original price was $20 what is the price of the item now
____ [38]
The price would be $8
8 0
3 years ago
Helppppp meeee plzzzzz
Slav-nsk [51]

Answer:

Angle B is 41 degrees

Step-by-step explanation:

1) find the supplement of the 113 degree angle; it is 180-113, or 67, degrees.

2) recognizing that the sum of the interior angles of a triangle is 180 degrees, add up 67 and 72 degrees, obtaining 139 degrees, and subtract this sum from 180 degrees:

180 degrees - 139 degrees = 41 degrees (answer)

The steps are outlined above; the end result is that <B is 41 degrees.

6 0
3 years ago
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