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Shalnov [3]
4 years ago
13

Please help me thank you

Mathematics
1 answer:
borishaifa [10]4 years ago
3 0
The IQR is 6.25. The median, the middle of the data is 14.5. In short the answer is 6.25
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I know that this is a lot but I really need help!! Hopefully, the reward will help!
storchak [24]

Step-by-step explanation:

y = 2/27 x² − 4/3 x

a) The leading coefficient (the coefficient of the x² term) is positive, so that means the parabola points up.  So the vertex is at the bottom of the parabola, making it a minimum.

b) For a parabola y = ax² + bx + c, the x coordinate of the vertex can be found at x = -b / (2a).  Here, a = 2/27 and b = -4/3.

x = -(-4/3) / (2 × 2/27)

x = (4/3) / (4/27)

x = (4/3) × (27/4)

x = 9

c) To find the y coordinate of the vertex, we simply evaluate the function at x=9:

y = 2/27 x² − 4/3 x

y = 2/27 (9)² − 4/3 (9)

y = 6 − 12

y = -6

d) The ordered pair is (9, -6).  This means that at the lowest point of the dish, the dish is 6 inches deep.  Also, since the dish is symmetrical, and the lowest point is 9 inches from the end, then the total width is double that, or 18 inches.

8 0
3 years ago
4.4 is what % of 25 ​
kirza4 [7]

4.4 = .044

0.044x25 = 1.1

ANSWER = 1.1

8 0
3 years ago
Read 2 more answers
Help me pls pls pls pls pls,
antoniya [11.8K]

Answer:

1,020

Step-by-step explanation:

That is correct you have it right so I think you're good

8 0
3 years ago
Read 2 more answers
Is 4=5 I know it sounds not to smart just trying to prove a friend wrong
Anna11 [10]
4=1 1 1 1
5= 1 1 1 1 1

So this means 5 and 4 are not equal
8 0
3 years ago
Find the output, hhh, when the input, ttt, is 353535.
kow [346]

9514 1404 393

Answer:

  43

Step-by-step explanation:

Put the value where t is and do the arithmetic.

  h = 50 -t/5

  h = 50 -35/5 = 50 -7 = 43

The output, h, is 43 when the input is 35.

4 0
3 years ago
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