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polet [3.4K]
3 years ago
5

A teacher gives 5 students a multiple choice test, in which each problem is worth 1 point. The median and mean scores turn out t

o be 9 and 10 points, respectively.
What is the minimum possible top score?
What is the maximum possible top score?
What is the minimum possible standard deviation?
What is the maximum possible standard deviation?
Mathematics
1 answer:
Afina-wow [57]3 years ago
8 0

i Am so cool

You can’t beat me I am the gingerbread man

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On the set of axes below, draw the graph of y=x^2-4x-1
never [62]

9514 1404 393

Answer:

  axis of symmetry: x = 2

  see below for a graph

Step-by-step explanation:

You can complete the square to put the equation in vertex form.

  y = (x^2 -4x +4) -1 -4

  y = (x -2)^2 -5 . . . . . . vertex is (2, -5)

The equation of the axis of symmetry is the equation of the vertical line through the vertex:

  x = 2 . . . . . axis of symmetry

__

Points on the graph are easily found by using integer values on either side of x=2. Points on one side of the axis of symmetry are mirrored on the other side of it.

5 0
3 years ago
Another question for math. ill give mad points, the question is in attachment
yulyashka [42]
For this case we have the following points:
 y = (- 2, 5)
 z = (1, 3)
 Therefore, the vector yz is given by:
 yz = z - y = (1, 3) - (-2, 5)
 yz = ((1 - (- 2)), (3-5))
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 yz = (3, -2)
 Then, the magnitude is given by:
 lyzl = root ((3) ^ 2 + (-2) ^ 2)
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yz = (3, -2)
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True or False. The mapping diagram shows a function.
Anna [14]

Answer:

False.

Step-by-step explanation:

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Simon and sherry went blueberry simon picked 18.5 pounds and sherry picked 21.84 pounds
choli [55]

Answer:

ok

Step-by-step explanation:

whats the question?

4 0
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Regrouping 51*73 what is the answer
Vadim26 [7]
     51
  x 73
  ---------    
    153
+3570
----------
 3,723     Your answer is: 3,723
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